AIR HANDLING UNITS (AHU’S)ECOSMART BOXERTECHNICAL INFORMATIONECOSMART BOXER SIZES 3 - 7Model shown: size 7 (right hand supply with electric heater and cooling coil). Model shown: size 7 (left hand supply with electric heater and cooling coil).Model shown: size 7 (right hand supply with electric heater and DX coil). Model shown: size 7 (left hand supply with electric heater and DX coil).Model shown: size 7 (right hand supply with LPHW heater). Model shown: size 7 (left hand supply with LPHW heater).Model shown: size 7 (right hand supply with LPHW heater and cooling coil). Model shown: size 7 (left hand supply with LPHW heater and cooling coil).). 102 029 2085 8200
AIR HANDLING UNITS (AHU’S)ECOSMART BOXERTECHNICAL INFORMATIONECOSMART BOXER SIZES 3 - 7Model shown: size 7 (right hand supply with LPHW heater and DX cooling coil). Model shown: size 7 (left hand supply with LPHW heater and DX cooling coil).Model shown: size 7 (right hand with extract). Model shown: size 7 (left hand with extract).Please note: Sizes 3 - 7 do not have filters included as standard.Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 103
AIR HANDLING UNITS (AHU’S)ECOSMART BOXER COILS FOR LPHWTECHNICAL INFORMATIONECOSMART BOXER Size 1 and 2 2 ROW Connection sizeAir Volume Flow rate (m3/s) 0.6 0.4 0.2 Water flow Water flow Water flowWater Heat Air Off Water dp Heat Air Off Water dp Heat Air Off Water dp rate Output C rate Output C rateon/off Air On Output C (l/s) (kPa) (kW) C (l/s) (kPa) C (l/s) (kPa) 0.556 11.5 0.424 7.1 (kW) 41 0.242 2.74CC (kW) C 0.514 19 36 0.392 6.3 10.8 44 0.224 2.40 0.472 10 17.6 39 0.36 5.4 10 47 0.206 2.08 -3 25 31 0.428 8.6 16 42 0.32 4.6 9.2 50 0.188 1.78 7.3 14.8 45 8.482/71 3 11.5 35 0.26 1.98 0.114 0.76 22 9 21 38 0.238 1.69 0.104 0.65 mm 0.214 1.41 0.094 0.55 15 15 19.2 41 0.19 1.16 0.084 0.45 mm 1580/60 -3 21.4 26 0.17 3.2 16 30 0.2 0.95 9.4 35 0.072 0.35 mm 3 19.4 30 0.146 2.72 15 33 0.182 0.74 8.6 38 0.062 0.27 9 17.6 33 0.122 2.27 13.4 36 0.164 0.53 7.8 41 0.05 0.19 1.25” 15 15.6 36 0.096 1.85 12 39 0.146 0.35 7 43 0.046 0.16 1” 1”60/40 -3 14 16 1.53 10.6 19 0.13 6 21 3 12 20 1.18 9.2 22 0.112 5 24 2” 9 10 23 0.87 7.6 24 0.092 4 26 1.25” 15 8 26 0.58 6 27 0.072 3.6 28 1.25”ECOSMART BOXER Size 3 2 ROW 2” Connection size 1.5”Air Volume Flow rate (m3/s) 1.7 1.3 1 1.5” Water flow Water flow Water flowWater Heat Air Off Water dp Heat Air Off Water dp Heat Air Off Water dp 2” C rate Output C rate Output C rate 1.5”on/off Air On Output C (l/s) (kPa) (kW) C (l/s) (kPa) C (l/s) (kPa) 1.5” 26 1.32 11 1.2 9.4 (kW) 35 7.4CC (kW) 29 1.22 9.6 54 31 1.1 8.3 46 38 1 6.6 33 1.1 8.2 50 35 7.2 43 41 0.96 5.8 -3 60 37 0.97 7 46 38 1 6.2 40 44 0.88 5 41 41 0.92 36 0.882/71 3 55 0.61 2.9 2.33 0.55 2.42 0.48 2.07 9 50 0.49 2.06 0.44 1.72 0.43 1.71 0.39 1.45 15 45 0.35 0.39 1.39 1.1480/60 -3 50 21 0.33 3.4 45 26 0.56 1.10 39 29 0.3 0.92 3 45 25 0.27 2.83 41 29 0.5 0.78 36 32 0.26 0.66 9 40 28 0.2 2.37 37 32 0.45 0.54 32 35 0.21 0.43 15 35 32 1.93 33 36 0.4 28 38 0.1660/40 -3 32 12 1.66 29 15 0.35 25 17 3 27 16 1.28 25 19 0.3 21 20 9 22 20 0.94 20 22 0.24 17 23 15 17 23 0.59 15 24 0.19 14 26ECOSMART BOXER Size 5 2 ROW Connection sizeAir Volume Flow rate (m3/s) 2.1 1.8 1.4 Water flow Water flow Water flowWater Heat Air Off Water dp Heat Air Off Water dp Heat Air Off Water dp C rate Output C rate Output C rateon/off Air On Output C (l/s) (kPa) (kW) C (l/s) (kPa) C (l/s) (kPa) 34 2.1 12.9 1.9 11 (kW) 39 1.6 8.2CC (kW) 37 1.9 11.3 86 36 1.77 9.7 72 42 1.48 7.3 40 1.78 9.8 79 39 1.63 8.5 67 45 1.36 6.4 -3 94 43 1.62 8.4 73 42 1.48 7.3 61 48 1.24 5.5 67 45 5682/71 3 87 0.99 3.4 0.76 2.59 0.91 3.05 0.69 2.23 9 80 0.82 2.60 0.63 1.93 0.73 2.19 0.56 1.61 15 73 0.66 1.84 0.5 1.3580/60 -3 81 29 0.57 3.9 74 31 0.91 1.48 62 34 0.43 1.07 3 74 32 0.48 3.4 68 34 0.83 1.10 57 37 0.36 0.81 9 67 35 0.38 3.00 61 37 0.75 0.80 51 39 0.29 0.58 15 60 38 2.51 55 40 0.67 46 4260/40 -3 54 18 2.15 49 19 0.6 41 21 3 47 21 1.71 43 22 0.52 36 24 9 39 24 1.31 36 25 0.43 30 26 15 32 27 0.91 29 28 0.35 24 29ECOSMART BOXER Size 6 2 ROW Connection sizeAir Volume Flow rate (m3/s) 3.9 3 2 Water flow Water flow Water flowWater Heat Air Off Water dp Heat Air Off Water dp Heat Air Off Water dp C rate Output C rate Output C rateon/off Air On Output C (l/s) (kPa) (kW) C (l/s) (kPa) C (l/s) (kPa) 30 3.5 11.8 3.1 9.9 (kW) 40 2.35 6.6CC (kW) 34 3.2 10.4 139 35 2.85 8.8 106 43 2.17 5.9 37 2.9 9.1 128 38 2.61 7.7 98 46 1.99 5.3 -3 157 40 2.6 7.9 117 41 2.36 6.7 90 48 1.8 4.6 106 44 8182/71 3 144 1.6 3.3 1.1 2.28 1.44 2.87 0.99 1.97 9 132 1.29 2.47 0.88 1.67 1.13 2.03 0.78 1.41 15 119 1 1.73 0.67 1.1480/60 -3 131 25 0.85 3.9 116 29 1.42 1.36 89 33 0.57 0.91 3 118 28 0.68 3.4 105 32 1.28 1.02 81 36 0.45 0.65 9 106 31 0.51 2.92 94 35 1.15 0.66 72 38 0.31 0.39 15 93 35 2.42 83 38 64 41 160/40 -3 83 14 2.04 73 17 0.89 56 20 3 70 18 1.63 62 20 0.75 47 22 9 56 21 1.19 50 23 0.61 37 24 15 42 24 0.80 37 25 0.45 25 25ECOSMART BOXER Size 7 2 ROW For further assistance Connection sizeAir Volume Flow rate (m3/s) 4.8 4.2 3.2 please call Nuaire. Note: Water flow Water flow Water flow dp figures do not includeWater Heat Air Off Water dp Heat Air Off Water dp Heat Air Off Water dp C rate Output C rate Output C rateon/off Air On Output C (l/s) (kPa) (kW) C (l/s) (kPa) C (l/s) 3 port valve. 31 4.5 13 4.2 11.7 (kW) 40 3.7 Approximately doubleCC (kW) 35 4.1 11.2 189 34 3.9 10.3 166 42 3.4 (kPa) these figures when valves 38 3.7 9.8 174 37 3.5 153 45 3.1 9.6 are included. -3 201 41 3.4 8.4 158 40 3.2 9 139 47 2.8 8.5 143 43 7.7 125 7.582/71 3 184 1.97 1.64 1.77 3.8 1.48 9 168 1.56 3.3 1.31 1.36 2.72 1.14 15 151 2.24 6.4 1.16 0.9780/60 -3 161 25 0.96 4 152 27 1.86 1.79 134 32 0.8 3.2 3 145 28 0.74 3.5 137 30 1.67 1.37 121 34 0.61 2.66 9 128 31 0.48 2.95 121 33 1.48 0.95 107 37 0.35 2.24 15 111 34 2.43 106 36 1.29 0.48 93 39 1.8560/40 -3 96 13 1.95 91 15 1.1 80 18 1.47 3 79 16 1.49 75 18 0.91 66 20 1.12 9 61 19 1.04 58 20 0.7 50 22 0.77 15 39 22 0.57 36 22 0.43 29 23 0.35 *Please note: above tables are based on indicative selections. For more specific selection, contact Nuaire.104 029 2085 8200
AIR HANDLING UNITS (AHU’S)ECOSMART BOXER ANCILLARIESTECHNICAL INFORMATIONSILENCER MODULES MOTORISED DAMPERS VERTICAL HEAT EXCHANGERSplitters are faced with perforated sheet lined Opposed blade design with quick fit flanges. A plate exchanger core assembly providingto prevent particle migration and filled with 240V Open/Shut model (B) for efficient back efficient heat transfer between supply andhigh density mineral wool. draught protection and 24V modulating extract air streams. An integral drip tray is version (M) for balancing and control. incorporated with a 22mm drain connection. A B The tray is insulated to prevent secondaryC BA condensation. C AB CUnit Code A B C Weight (Kg) Unit A Weight (Kg) Length Width HeightESBSIL1 900 954 530 70 ESBD1 165 12 C Weight (Kg)ESBSIL2 900 954 670 90 ESBD2 165 14 Unit A B 1060 150ESBSIL3 900 800 800 95 ESBD3 165 19 1340 180ESBSIL4 900 1000 800 96 ESBD4 165 23 ESBHX1 1000 954 1600 210ESBSIL5 900 1000 1000 124 ESBD5 165 28 1600 263ESBSIL6 900 1300 1000 150 ESBD6 165 30 ESBHX2 1130 954 2000 360ESBSIL7 900 1300 1300 192 ESBD7 165 34 2000 440 ESBHX3 1200 800 2600 594 ESBHX4 1400 1000 ESBHX5 2200 1000DYNAMIC ATTENUATION VALUES Note: Dimensions B & C are to suit unit supplied. ESBHX6 2200 1300(at maximum velocity) Also available: motor open/spring return option. ESBHX7 2500 1300 Code: ESBD* MO/SR.Length 125 250 500 1K 2K 4K 8K FROST COIL = LPHW & ELECTRIC HORIZONTAL HEAT EXCHANGER 15 600mm long section to suit unit size selected. Heat exchanger complete with integral drop900 6 8 18 22 20 16 20 For details contact Nuaire. tray with a 22mm drain connection.1200 7 11 26 31 30 23 ANote: silencer cross sectional area matches theEcosmart Boxer unit. B CWEATHER ROOF FOR ECOSMART BOXERFor further information please contact Nuaire. Length Width Height C Weight (Kg)Example of horizontal Unit A B 530 150unit with weather kit. 670 180 ESBHX1H 1750 2000 800 200 800 280 ESBHX2H 1425 2000 1000 360 1000 600 ESBHX3H 1200 1600 1300 594 ESBHX4H 1625 2000 ESBHX5H 2000 2000 ESBHX6H 2200 2600 Example of stacked ESBHX7H 2200 2600 unit with weather kit. ESBBF2* - Available in a variety of lengths to suit unit sizes 1 - 7.Z FACTORS FOR ANCILLARIES BASE FRAME (Please contact Nuaire for further details).Casing Module 1 234 5 6 7 Provided as standard on sizes 3 - 7.Silencer 102 41 20 11 8 3.1 2 Optional extras on sizes 1 and 2.Damper 61 25 12 6.8 4.8 1.9 1.2Frost coil LPHW 122 50 23 14 9.6 3.8 2.4 80mmFrost coil electric 122 50 23 14 9.6 3.8 2.4Weather cowl 61 25 12 6.8 4.8 1.9 1.2 nuaire.co.uk 105Plate heat exchanger 612 148 117 68 48 1.9 12For further ancillaries please refer to Ducting and Ancillaries section or call Nuaire.Download specification from www.nuaire.co.uk/specifications
AIR HANDLING UNITS (AHU’S)ECOSMART BOXER WIRINGTECHNICAL INFORMATIONWIRING - ECOSMART BOXER SIZES 1 AND 2 WIRING - ECOSMART BOXER SIZES 1 AND 2ESBHS1, ESBHS2, ESBHEX1 and ESBHEX2 ESBHS1-L, ESBHS2-L, ESBHS1-LD and ESBHS-2LD Remove this link wire if: Set air off Remove this link wire if: 1. a switched live signal is connected. temperature 1. a switched live signal is connected. of LPHW coilSpeed 2. an ES-PIR, ES-TC or BMS signal 0V Speed 2. an ES-PIR, ES-TC or BMS signal 0VController is connected. 30 Controller is connected. 0-10V Connections BMS signal 0-10V Connections BMS signal to Damper to Damper Heat demand N Ecosmart Pw r N Ecosmart Pw r signal Standby Heat demand Standby Run signal L Fan 1 signal L Fan 1 Run signal SL SL 25 AUTO HEATER/COOL ON OFF FAULT RUN HEAT DAMPER DEMAND Min Max SL run on Fan 2 T Min Max SL run on Fan 2 DP Heatin g T DP Heating CL Coolin gFAULT RUN HEAT DAMPER 25 CL Cooling DEMAND N 01 Fault N 01 Fault RET Frost RET Frost Tx Tx Trickle Test Rx Trickle Test RxFault signal Fault signal230V 50Hz L NET connections for 230V 50Hz L NET connections for1ph mains N ECOSMART devices 1ph mains N ECOSMART devices E E Earth Cooling Frost Signal for Signal for Earth demand alarm DX1 coil DX2 coil signal signal if fitted if fitted ESBHS1-E and ESBHS2-E Remove this link wire if: 1. a switched live signal is connected. Speed 2. an ES-PIR, ES-TC or BMS signal 0V Controller is connected. 0-10V Connections BMS signal to Damper Adjustment for air off N Ecosmart Pw r temperature. Heat demand Standby Do not set temperature signal L Fan 1 above 30OC Run signal SL Electric heater control Min Max SL run on Fan 2 DP Heating FAULT RUN HEAT DAMPER CL DEMAND Cooling N 01 Fault RET Frost Tx Trickle Test Rx Fault signal 400V 50Hz L3 Earth 230V 50Hz L NET connections for 3ph +N mains L2 1ph mains N ECOSMART devices supply for fan L1 E N Earth and heater EWIRING - ECOSMART BOXER SIZES 3 - 7 BMS MODES 3 TO 7BMS MODES 1 AND 2 Remove this link wire Actuator head, type Honeywell Remove this link wire Actuator head, type Belimo model M7410E1028 model SM24-SR L1 L2 L3 E Speed BMS signal for fan speed BMS signal for fan speed Controller Note: Do not reverse the Note: Do not reverse theConnections polarity as it may cause 0V polarity as it may cause 0Vto Damper damage to the circuit 0-10V damage to the circuit 0-10VThis contact isnot applicable N Ecosmart Pwr 12 13 14 15 N Ecosmart Pwrto BMS models Standby 5 6 7 8 9 10 11 StandbyRun signal L Fan 1 L Fan 1 12 13 14 15 SL SL L3 Min Max SL run on Fan 2 L2 Min Max SL run on Fan 2 DP Heating L1 (U) (V) (W) DP Heating FAULT RUN HEAT DAMPER CL CoolingDEMAND Connections CL Cooling to Damper N 01 ActuatorFault N 01 Fault RET CONTACTERFrost This contact is RET Frost Tx not applicable Tx FAULT RUN HEAT DAMPERto BMS models DEMANDTrickleTest RxRun signal Trickle Test RxFault signal Brown 24 Vac Fault signal 24 Vac Warning: connect via safety Green 0 - 10 Vac isolating transformer NET connections for Whi ite Common A1 NET connections for ECOSMART devices ECOSMART devices ~ Y1 0...10V DC230V 50Hz L Y2 0...20V N L3 phase cut1ph mains L2 U 2...10V DC E Earth 13 5 Earth L1 400V 50Hz 1 23 4 5 (U) (V) (W) N 3ph +N mains 24 6 E A2 ~ Y1 Y2 U SM24-SR106 029 2085 8200
AIR HANDLING UNITS (AHU’S)ECOSMART BOXER WIRINGTECHNICAL INFORMATIONWIRING - ECOSMART BOXER SIZES 3 - 7 WIRING - ECOSMART BOXER SIZES 3 - 7ESBHS3-L,ESBHS4-L, ESBHS5-L, ESBHS6-L AND ESBHS7, ESBHS3-LC, ESBHS4-LC, ESBHS5-LC, ESBHS6-LCESBHS3-LD, ESBHS4-LD, ESBHS5-LD, ESBHS6-LD AND ESBHS7-LD AND ESBHS7-LC L1 L2 L3 E Remove this link wire if: BMS signal 0V L1 L2 L3 E Remove this link wire if: BMS signal 0V 1. a switched live signal 0-10V 1. a switched live signal 0-10V12 13 14 15 is connected. Ecosmart 12 13 14 15 is connected. 5 6 7 8 9 10 11 2. an ES-PIR, ES-TC or BMS N Pw r 5 6 7 8 9 10 11 2. an ES-PIR, ES-TC or BMS N Ecosmart Pw r signal is connected. L Standby signal is connected. L Standby 12 13 14 15 SL Fan 1 12 13 14 15 SL Fan 1 L3 Connections Fan 2 L3 Fan 2 L2 to Damper DP Min Max SL run on Heatin g L2 Min Max SL run on Heatin g L1 (U) (V) (W) CL Coolin g L1 (U) (V) (W) Coolin g Heat demand N DAMPER 01 Faul t Connections DP DAMPER 01 Faul t A1 signal RET Trickle Frost to Damper CL Trickle Frost Run signal Tx N Tx Rx RET Rx Fault signal DEMAND Test DEMAND Test FAULT RU N HEAT Heat demand FAULT RUN HEAT signal Run signal Fault signal NET connections for Ecosmart devices NET connections for Ecosmart devices A1 CONTACTER CONTACTER Set outlet air 25 temperature of LPHW coil 25 25 25 13 5 30 30 13 5 30 (U) (V) (W ) (U) (V) (W ) 24 6 24 6 Set air off 25 Set outlet air 25 temperature temperature A2 of LPHW coil A2 of CW cooling coil GREEN Connect to LPHW GREEN Connect to LPHW 3 BROWN actuator motor BROWN actuator motor A WHITE 3 SM24 2 motor set at WHITE 2 SM24 1 position A A 1 motor set at position A GREEN Connect to CW coil 3 actuator motor A BROWN SM24 L3 AUTO 2 HEATER/COOL L3 AUTO motor set at HEATER/COOL WHITE ON OFF L2 1 ON OFFEarth L2 L1 position A L1 Earth N 400V 50Hz 3ph +N mains N 400V 50Hz Inlet Outlet 3ph +N mains sensor sensor E E Inlet Outlet sensor sensor Cooling Frost Signal for Signal for Connect to inlet A Cooling Frost Signal for Signal for Connect to inlet A demand alarm DX1 coil DX2 coil sensor after unit demand alarm DX1 coil DX2 coil sensor after unit signal signal if fitted if fitted is assembled signal signal if fitted if fitted is assembledESBHEX3, ESBHEX4, ESBHEX6 AND ESBHEX7 ESBHS3-E, ESBHS4-E, ESBHS5-E, ESBHS6-E AND ESBHS7-E L1 L2 L3 E Remove this link wire if: L1 L2 L3 E A 1. a switched live signal is connected12 13 14 15 B5 6 7 8 9 10 11 2. an ES-PIR, ES-TC or BMS signal Remove this link wire if: Make connection 12 13 14 15 is connected. 0V 1. a switched live signal is connected HTR after the unit has L3 been assembled L2 BMS signal 0-10V 2. an ES-PIR, ES-TC or BMS signal 0V L1 (U) (V) (W ) 0-10V Heater over-temperature stat is connected. BMS signal N Ecosmart Pwr 12 13 14 15 N Ecosmart Pw r Standby 5 6 7 8 9 10 11 Standby L Fan 1 12 13 14 15 L Fan 1 SL L3 SL L2 Min Max SL run on Fan 2 L1 (U) (V) (W) Min Max SL run on Fan 2 12 Sensor DP Heatin g DP Heating RT Connections CLDAMPER Coolin g Connections CL DAMPER Coolin g Electric heater control to Damper Faul t to Damper Fault N 01 Frost N 01 Frost Adjustment for air off temperature. Heat demand RET Tx Heat RET Tx Do not set temperature above 30OC signal demand Run signal DEMAND Trickle Test Rx signal Fault signal FAULT RUN HEAT Run signal DEMAND Trickle Test Rx HEAT HEAT FAULT RUN NET connections for SENS ECOSMART devices LINE 1 LINE 2 LINE 3 EarthA1 NET connections for Fault signal ECOSMART devices A1CONTACTER Earth CONTACTER L1 L2 L3 E 13 5 L3 13 5 400V 50Hz 3ph supply for heater (U) (V) (W ) L2 24 6 L1 (U) (V) (W) B N 24 6 A2 E Make connection 400V 50Hz A2 L3 after the unit has Note: these controls are located 3ph +N mains L2 been assembled in the electric heater section L1 N 400V 50Hz 3ph +N mains EDownload specification from www.nuaire.co.uk/specifications nuaire.co.uk 107
AIR HANDLING UNITS (AHU’S)ECOSMART BOXER WIRINGTECHNICAL INFORMATIONECOSMART BOXER WITH CONSTANT PRESSURE CONTROLS Airflow Fan Heater Filter D Control 2D min EXTRACT FANS SIZE 1 AND 2 Silencer Locate Pressure Tapping hereSUPPLY FANS SIZE 1 AND 2 Pressure Sensor Pressure setting pot Pressure Sensor High Low Pressure setting pot Set differential Pre-wired in factory to Set differential Pressure main control PCB via Pressure connector labelled 'P in' High Low Ecosmart Pwr To atmosphere through Ecosmart Pwr Standby fan casing Standby Min Max SL run on Fan 1 Min Max SL run on Fan 1 Fan 2 To fan inlet chamber Fan 2 Connector Heating Connector Heating Cooling CoolingPre-wired in factory to 01 Fault 01 Fault Frost Frost Trickle Tx Trickle Tx Rx Rxmain control PCB via Test Testconnector labelled 'P in' PVC Tubing (supplied)To fan outlet,connectionto be made Main control PCB Main control PCBon site To atmosphere through fan casingSUPPLY FANS SIZE 3 AND ABOVE EXTRACT FANS SIZE 3 AND ABOVE Pressure setting pot Pressure setting pot Set differential Set differential Pressure Pressure Inverter Ecosmart Pwr Inverter Ecosmart Pwr Standby Standby Min Max SL run on Fan 1 Min Max SL run on Fan 1 Fan 2 Fan 2 Connector Heating Connector Heating Cooling Cooling 01 Fault 01 Fault Frost Frost Trickle Tx Trickle Tx Rx Rx Test Test Main control PCB Main control PCB To fan outlet; connection Pre-wired in factory to To atmosphere through Pre-wired in factory to to be made on site main control PCB via control casing main control PCB via connector labelled 'P in' connector labelled 'P in' To atmosphere through To fan inlet chamber fan casing Low High Low High Pressure Sensor Pressure Sensor108 029 2085 8200
AIR HANDLING UNITS (AHU’S)ECOSMART BOXER WIRINGTECHNICAL INFORMATIONECOSMART BOXER FAN CONTROL ONLY i There are no inrush starting currents quoted because the Ecosmart control incorporates a soft starting speed control feature.Power requirements ii. The inverters are preset to match the fan requirements. Under normal circumstances it should not be necessary to adjust them.Model Flc fan Electric heater Flc iii. Pay particular attention to the model type, recorded on the product rating only (1) plate and connect as follows.BHSEX1FC, BHS1FC-L 4.8A max Kw heater (2)BHS1FC-E 4.8A SIZES 1 AND 2BHSEX2FC, 7.3A 18 25A Note: Inter connections between circuit boards are made in the factory.BHS2FC-E 7.2ABHSEX3FC, BHS3FC-L 4.6A 24 33ABHS3FC-E 4.6ABHSEX4FC, BHS4FC-L 6.1A 27 38ABHS4FC-E 6.1ABHSEX5FC, BHS5FC-L 7.8A Speed Remove this link wire if:BHS5FC-E 7.8A Controller 1. a switched live signal is connected.BHSEX6FC, BHS6FC-L 8.2A 2. A ES-PIR, ES-TC or BMS signal is connected.BHS6FC-E 8.2A ConnectionsBHSEX7FC, BHS7FC-L 11.4A 36 50A to DamperBHS7FC-E 11.4A Heat demand BMS signal 0V signal 0-10V Run signal 54 75A N Ecosmart L Pwr Standby SL Fan 1 54 75A Min Max SL run Fan 2 DP on Heating 54 75A CL HEAT DAMPER Cooling N 01 DEMAND Fault RET Frost Tx Trickle Test RxNote: (1) Sizes 1 and 2 fans are rated at 230V ac, 50Hz single phase. All other FAULT RUNsizes are rated at 400V ac 50 Hz 3 phase.(2) All electric heaters are rated at 400V ac 50 Hz 3 phase. Fault signal 230V 50Hz L NET connections for 1ph mains N ECOSMART devices E EarthTYPICAL ELECTRIC HEATER WIRING SIZES 3 TO 7 Note: Inter connections between circuit boards and inverter/contactor are made in the factory. Connect L1 L2 L3 E Remove this link wire if: over temperature 1. a switched live signal is connected. trip to control circuit 12 13 14 15 2. A ES-PIR, ES-TC or BMS signalBus bar clamp 5 6 7 8 9 10 11 is connected. L1 12 13 14 15 BMS signal 0V L3 0-10V L2 400V L2 N Ecosmart 50Hz L1 (U) (V) (W) Pwr 3 phase L Standby A1 Fan 1 L3 13 5 SL Fan 2 Heating E (U) (V) (W) Min Max SL run Cooling 246 DP on Fault Frost A2 Connections CL Tx to Damper Rx N 01HEAT DAMPER Heat demand RET DEMAND signal Run signal Trickle Test Fault signal FAULT RUN NET connections for ECOSMART devices CONTACTER Earth L3 L2 L1 400V 50Hz N 3ph +N mains EDownload specification from www.nuaire.co.uk/specifications nuaire.co.uk 109
AIR HANDLING UNITS (AHU’S)ECOSMART BOXERTECHNICAL INFORMATIONCONSULTANTS SPECIFICATIONECOSMART BOXER UNITS SIZE 3 TO 7 ECOSMART SYSTEM OPERATION The Ecosmart controls will enable the unit to automatically vary its speed as itAIR HANDLING UNIT SPECIFICATION receives signals from one of the interconnected sensors.When the signal isThe Air Handling Unit shall be configured and arranged as detailed on the received the fan shall either increase speed gradually until the required level isdrawings and in accordance with the schedule of equipment. The units shall be achieved or it will work on a trickle and boost principle. This will then and movemanufactured from a highly rigid pentapost framework with 25mm double the fan duty point from trickle/background ventilation rate to the required boostskinned infill panels. The panels shall contain inert high density infill. ventilation rate. Both the trickle and boost rates are infinitely variable, easy toPanel materials are heavy gauge Aluzinc corrosion resistant steel. The units shall adjust and remove the need of a main balancing damper.provide exceptional thermal and acoustic insertion. The general construction isto class A leakage. 2. BMS INTERFACES The fan unit shall be provided with the following integrated BMS interfacesThe fan impeller and motor shall be selected to provide the most energy • 0 - 10 volt contacts to provide a full BMS interface. This will enable theefficient solution conforming to part L regulations and shall be direct or beltdrive with IE2 high efficiency motors to BS5000 as standard. The fan impeller following functions:-shall be a high efficiency forward or backward curved centrifugal design, Switch the unit on/off.manufactured in galvanised steel. Switch from low speed to high speed. Full speed control facility.The Fan unit shall have a 5 year warranty. Switch the heating function on/off. Switch the cooling function on/off.The unit and ancillaries shall be of the Ecosmart Boxer type as manufactured by • 2 No.Volt free contacts to provide fan run and failure indication to provideNuaire Ltd. system status.All other components shall be in accordance with the manufacturer’sspecification. • An integrated commissioning/speed control to accurately commission the system, with minimum and maximum speeds easily adjusted via a miniatureCONTROL SPECIFICATION dial, as recommended in Part L. This will enable the unit to be configured toThe Air Handling Unit shall be supplied with one of the following control run between set parameters thus saving motor power and limiting noise.options:- • Commissioning set up - The fan unit shall be provided with an integrated1. ECOSMART CONTROLS - commissioning/speed control to accurately commission the system, asThe compact Ecosmart control system complete with all necessary controls to recommended in Part L, minimum and maximum speeds easily adjustedfacilitate the operation of the ventilation system. It shall be come complete with via miniature dial. The commissioning set up facility directly controls thean integral factory fitted Ecosmart PCB which will control the fan unit within the integrated speed control/frequency inverter.desired design parameters and provide the interface between all external controldevices and the unit itself. 3. NO CONTROL IS AVAILABLE (Example code BHS7NC-E).The Air Handling Unit shall have the following energy saving componentsintegrally mounted, pre-wired to interface with the purpose made PCB, all COIL TYPES, HX AND CONTROLScomponents pre-wired, configured and factory fitted by the manufacturer: - The control for the coils shall be fully integrated and shall maintain a constant• Integral Frequency inverter/speed controller. off coil temperature. The system shall have frost protection which shall, at• Integral maximum and minimum speed adjustment for commissioning. temperatures below 4 degrees C, fully open the 3-port valve and only start• Integral adjustable run on timer. the fan when the temperature at the filter has risen above the designated set• Integral BMS interfaces – summer/winter switching, heating control, point. Unit to have contacts which will act as frost alarm and/or signal boiler to switch on. 0-10V speed adjustment.• Volt free failure and status indication.• Integral air off temperature adjustment.• Facility for remote temperature control.• Integral background ventilation switch (trickle switch).• Multiple IDC sockets for interconnection of sensors or fans using pre-plugged 4-core low voltage cable.• Volt free frost alarm/heat demand interface.• Frost protection/hold off stat.110 029 2085 8200
AIR HANDLING UNITS (AHU’S) nuaire.co.uk 111ECOSMART BOXERTECHNICAL INFORMATION CONSULTANTS SPECIFICATIONHEATING COILS - LOW PRESSURE HOT WATERThe Low Pressure Hot Water heating coil shall be manufactured from coppertubing with high efficiency aluminium fins contained within a galvanised steelframe, shall be factory fitted with a 3-port motorised diverting valve assemblycomprising the 3-port valve, double regulating valve, drain cocks aactuatorcontrolling the 3-port valve shall be control via the on-board PCB by the off coiltemperature sensor. All components pre-piped, assembled and tested by themanufacturers.HEATING COILS - ELECTRICThe Electric Heater Battery shall be factory fitted and pre-wired to an integralclosed loop thyristor control. The heat output can be configured on site to suitthe specific requirements.COOLING COILS - CHILLED WATERThe Chilled Water Coil shall be manufactured from copper tubing with highefficiency aluminium fins contained within a galvanised steel frame, it shall befactory fitted with a 3-port motorised diverting valve assembly comprising the3-port valve, drain cocks and air vents. The actuator controlling the 3-port valveshall be control via the on-board PCB by the off coil temperature sensor.Coil supplied complete with an insulated condensate tray and moistureeliminator. All components pre-piped, assembled and tested by themanufacturer.COOLING COILS – DX COILSThe DX Coil shall be manufactured from copper tubing with high efficiencyaluminium fins and droplet eliminator contained within a galvanised steel frame.The coil shall be filled with dry nitrogen with the pipe connections capped.It shall be factory fitted and tested by the AHU manufacturer.Note: Fan control only example code is BHS7FC-LD.HEAT EXCHANGERThe cross flow heat exchanger shall be complete with a motorised summerbypass; this will be activated when the heating, cooling or ventilation switchon the user control is switched to the ventilation position.The Ecosmart controlled fan unit shall have a 5 year warranty.Non Ecosmart fan controlled units will have a 3 year warranty.All equipment shall be as manufactured by Nuaire Ltd.*Suitable for 95% RH non condensing.Download specification from www.nuaire.co.uk/specifications
UNDERBENCH CLASSROOM UNIT INNOVATIVE MECHANICAL HEAT RECOVERY AND VENTILATION SYSTEMCHRIST’S COLLEGE SCHOOL, GUILDFORD CLIENT: SURREY COUNTY COUNCIL CONSULTANT: DSDHA & ATELIER TEN CONTRACTOR: WATES The school was commissioned to replace the existing The building is designed to promote the feel of “one 1970’s facility that had serious physical problems, big house” with its single entrance opening into an while the school struggled with bullying and anti- atrium space used for assembly and group activities. social behaviour. The building is not BREEAM certified but the design DSDHA along with its support consultants won a was assessed as BREEAM Very Good and features a place on the Surrey County Council’s framework. concrete frame and floor slabs for thermal mass. The 700 pupil Christ’s College was completed in February 2009.112 029 2085 8200
AIR HANDLING UNITS (AHU’S)UNDERBENCH CLASSROOM UNITTECHNICAL INFORMATIONSchool: Hélène Binet, classroom DSDHA. Nuaire worked closely with Atelier Ten to design an The classrooms have no additional heating source, innovative mechanical heat recovery and ventilation although the atrium and communal areas have under system.The building has thick cavity walls, intake and floor heating.The system means that there is no need outlet vents set in the brickwork underneath each for a boiler, pipes or associated costs. window, and a Nuaire XBOXER heat recovery unit and fan unit in each classroom. Until the room comes The XBOXER heat recovery and ventilation system up to temperature, a damper cuts off the fresh air integrated into the façade, the system had only ever supply and the unit works in re-circulation mode with been used before in Germany. Although the an electric heater battery to heat the air. technology was straight forward the way the system was put together was not. The contractor had to construct a frame before the façade was built.A mock up was constructed to test the air movement, the acoustics and the reverberation.DIMENSIONS (mm)Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 113
XBOXER THERMAL WHEEL HEAT RECOVERY UNITS HIGH EFFICIENCY ROTARY WHEEL - HELPING TO SAVE ENERGY AND REDUCE CARBON EMISSIONS.114 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER THERMAL WHEELTECHNICAL INFORMATIONBENEFITSHIGH EFFICIENCY QUICK COMMISSIONING* DX COIL & CHILLED WATERUp to 85% efficient wheel combined with high Integrated supply and extract fan control allows COOLING OPTIONSefficiency motors and backward curved impellers. precise system duty adjustment and can be quickly Please refer to page 134. and accurately set *Ecosmart models only.OPTIONAL ENERGY EFFICIENT FLEXIBLE RANGECONTROLS EASY MAINTENANCE Models 4, 5 and 6 include LPHW or no heater.Full Ecosmart control compatibility provides a The unit provides access to both right and left sides. Models 1, 2 and 3 include LPHW, no heater andsimple ‘plug & go’ control solution with BMS It is recommended that clear space left be the full electric heater options.interface and trickle and boost as standard. width of the stacked unit. For further details please contact Nuaire.DUAL FANS/MOTORS INTEGRATED REGENERATION CONTROL ANCILLARIESLower profile units with more uniform air Operates automatically by shutting the wheel A range of ancillaries are available includingdistribution over heater batteries/ exchangers. rotation down. manometers, bulkhead lights, view ports, drain trays and traps.NO CONTROL OPTION WEATHERPROOF DETAIL For further details please contact Nuaire.For control integration by others. Can be factory fitted or fitted on site, please refer to page 128 for details. WARRANTYSPACE SAVING SOLUTION Models with Ecosmart control have a 5 yearStacked configuration reduces overall space FILTER OPTIONS warranty.requirements and is ideal for plant room, or roof G4 fitted as standard. Higher grade integrated filters No control models have a 2 year warranty*.top applications. available or as a duct mounted ancillary. *Contact Nuaire for further details. Contact Nuaire for details.QUIETEST SOLUTION Note: Thermal wheels have specificThe range has 25mm double skinned infill panels, CONSTANT PRESSURE CONTROL maintenance requirements.helping to keep breakout noise to the lowest AVAILABLE Refer to installation and maintenance manual.possible levels. For further information contact Nuaire.HIGH PERFORMANCE RANGE6 case options available as standard withperformance up to 10m3/s. Contact Nuaire forother duties or refer to AHU catalogue.FEATURES INCLUDE:With LPHW. Constant Pressure control option. Pressure independent Filter options. Frost coil option. (See page 00). balancing control (T1 & T2 LPHW models only). nuaire.co.uk 115
AIR HANDLING UNITS (AHU’S)XBOXER THERMAL WHEELTECHNICAL INFORMATIONPERFORMANCE - XBOXER THERMAL WHEEL CasingXboxer Thermal wheel sizes 1, 2 and 3 ISO 5801 2007 1200 AMCA 300 1000 V Type D Air Density 1.2 kg/m3Fan Static Pressure (Pa) 800 3 600 Code description (Example) 400 2 T1NC - TWB - L L 2 WP 200 1 | | | ||| | 0 0.5 1.0 1.5 12 3 456 7 0 Air volume flow rate (m3/s) 2.0 2.5 1. = Type/Curve Ref. 2. = Ecosmart control as standardPERFORMANCE - XBOXER THERMAL WHEEL NC = No control 3. = Thermal wheel box 4. = Component layout L = Left hand R = Right hand (Handings in direction of supply air) 5. = Type of heater L = LPHW, N = No heater, E = Electric 6. = 2 row coil 7. = Optional Weather RoofELECTRICAL, SOUND & WEIGHT Motor Start Full load LPHW Breakout power dBA Weight Speed (kW) current current Heater Induct Sound Power Levels dB re 1pW @3m Kg*** (RPM) 1.8 63 125 250 500 1K 2K 4K 8K 45 395Curve Code Phase 1710 (amps) (amps) (kW) 75 74 76 72 73 71 66 691 T1-TWB-** 1 79 79 81 78 79 77 73 66 46 395 11.6 11.6 * Intake 79 79 81 78 79 77 73 662 T2-TWB-** 3 Supply 75 74 76 72 73 71 66 69 47 847 Discharge 72 68 71 61 57 55 56 503 T3-TWB-** 3 Extract Breakout 84 84 78 71 69 65 57 60 88 89 83 77 75 71 64 57 2140 2.1 3.5 3.5 * Intake 88 89 83 77 75 71 64 57 Supply 84 84 78 71 69 65 57 60 Discharge 81 78 73 60 53 49 47 41 Extract Breakout 60 69 72 72 66 65 60 69 69 78 82 82 82 80 77 66 2412 0.8 2.7 2.7 * Intake 68 75 78 79 74 73 69 66 Supply 64 73 78 76 77 74 68 69 Discharge ExtractUnits are supplied c/w with 2 No. G4 filters as standard. (F5 & F7 filters are available as integrated options on supply).Motor power and current loads are the total for both fans running together. Ecosmart models have a soft start function therefore the starting current is identical to the full load.** Add relevant code for heater type.* For details on coils, codes refer to page 130.***Weights of units are for guidance and include control and no weather roof.116 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER THERMAL WHEELTECHNICAL INFORMATIONDIMENSIONS AND CONFIGURATIONS BXboxer Thermal wheel sizes 1, 2 and 3 CDIMENSIONS (mm) ACode A B C Duct size D X E ET1-TWB 1470 1070 1163 949 X 494 DT2-TWB 1470 1070 1163 949 X 494T3-TWB 2000 1200 1676 1440 X 740 Extract Exhaust Intake SupplyModel shown: T1-3NC-TWB-L (LPHW). No Ecosmart control. Model shown: T1-3-TWB-L (LPHW). Includes Ecosmart control.Model shown: T1-3NC-TWB-E (Electric heater). No Ecosmart control. Model shown: T1-3-TWB-E (Electric heater). Includes Ecosmart control.Model shown: T1-3NC-TWB-N (No heater). No Ecosmart control. Model shown: T1-3-TWB-N (No heater). Includes Ecosmart control.Model shown: T1-3NC-TWB-DX (With DX coil). No Ecosmart control. Model shown: T1-3-TWB-DX (With DX coil). Includes Ecosmart control.Note: Control box is integral. nuaire.co.uk 117Download specification from www.nuaire.co.uk/specifications
AIR HANDLING UNITS (AHU’S)XBOXER THERMAL WHEELTECHNICAL INFORMATIONPERFORMANCE - XBOXER THERMAL WHEEL CasingXboxer Thermal wheel sizes 4, 5 and 6 ISO 5801 2007 1100 AMCA 300 1000 V 900 Type D Air Density 1.2 kg/m3 800 700Fan Static Pressure (Pa) 6 Code description (Example) 7.0 600 T4NC - TWB - L L 2 WP | | | ||| | 500 12 3 456 7 400 5 8.0 9.0 10.0 1. = Type/Curve Ref. 2. = Ecosmart control as standard 300 NC = No control 4 3. = Thermal wheel box 4. = Component layout 200 L = Left hand R = Right hand 100 (Handings in direction of supply air) 5. = Type of heater 0 L = LPHW, N = No heater, E = Electric 0 1.0 2.0 3.0 4.0 5.0 6.0 6. = 2 row coil 7. = Optional Weather Roof Air volume flow rate (m3/s)PERFORMANCE - XBOXER THERMAL WHEELELECTRICAL, SOUND & WEIGHT Motor Start Full load LPHW Breakout power dBA Weight Speed (kW) current current Heater Induct Sound Power Levels dB re 1pW @3m Kg*** (RPM) 8.8 63 125 250 500 1K 2K 4K 8K 53 1185Curve Code Phase 1440 8.8 (amps) (amps) (kW) 83 93 89 82 77 80 80 614 1440 87 90 89 90 84 85 85 71 52 2335 T4-TWB-** 3 18 18 * Intake 88 90 90 91 83 85 86 58 Supply 86 92 92 85 80 83 83 74 50 3565 T4NC-TWB-** 108 18 Discharge 80 79 81 67 53 54 63 43 Extract Breakout 87 88 85 83 83 82 81 79 88 96 84 83 90 90 85 845 T5-TWB-** 3 1440 16 37 37 * Intake 90 98 86 85 92 92 87 86 T5NC-TWB-** 1440 16 222 37 Supply 89 90 87 85 85 84 83 81 Discharge 82 84 76 61 61 61 64 61 Extract Breakout 83 95 86 75 79 81 78 64 88 92 87 83 86 86 83 646 T6-TWB-** 3 960 22 45.6 45.6 * Intake 88 92 87 83 86 86 83 64 T6NC-TWB-** 960 22 274 45.6 Supply 84 96 87 76 80 82 79 65 Discharge 80 82 76 59 55 55 60 40 Extract BreakoutUnits are supplied c/w with 2 No. G4 filters as standard. (F5 & F7 filters are available as integrated options on supply).Motor power and current loads are the total for both fans running together. Ecosmart models have a soft start function therefore the starting current is identical to the full load.** Add relevant code for heater type.* For details on coils, codes refer to page 130.***Weights of units are for guidance and include control and no weather roof. Please contact Nuaire for further details. 118 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER THERMAL WHEELTECHNICAL INFORMATIONDIMENSIONS AND CONFIGURATIONS BXboxer Thermal wheel sizes 4, 5 and 6DIMENSIONS (mm)Code A B C Duct size D X ET4-TWB 2800 1600 1600 1540 X 740 CT5-TWB 3200 2000 2000 1940 X 940T6-TWB 3800 2600 2600 2540 X 1240 E DN.B If CW or DX modules are included add 600mm to overall length. A Note: Access is from either side.Model shown: T4-6-TWB-L (LPHW). Includes Ecosmart control. Model shown: T4-6-TWB-N (No heater). Includes Ecosmart control.Model shown: T4-6NC-TWB-L (LPHW). No Ecosmart control. Model shown: T4-6NC-TWB-N (No heater). No Ecosmart control.Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 119
XBOXER RUN AROUND COIL HEAT RECOVERY NO CROSS CONTAMINATION, MAKES UNITS IDEAL FOR HYGIENE SPECIFIC APPLICATIONS. Note: for detailed drawings contact Nuaire.120 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER RUN AROUND COILTECHNICAL INFORMATIONBENEFITSENERGY SAVINGS SPACE SAVING SOLUTION INTEGRATED RAC CONTROL OUTPUTNuaire’s high-performance, run-around energy Stacked configuration reduces overall space RAC control output can interface with RAC pumpexchanger can provide heat recovery efficiencies requirements and is ideal for plant room, or roof system (by others) to minimise energy usage.typically up to 60%. top applications. WEATHERPROOF PROTECTIONIDEAL FOR NEW BUILDING DESIGN AND QUIETEST SOLUTION Can be factory fitted or fitted on site, please referREFURBISHMENT Units have 25mm double skinned infill panels to page 128 for further details.The run-around coil as part of a system can help helping to keep breakout noise to the lowestreduce peak heating and cooling loads as well as possible levels. (See page 144 for 50mm double FILTER OPTIONStotal heating and cooling loads. skinned infill panels on the custom made units). G4 fitted as standard. Higher grade integrated filters available or as a duct mounted ancillary. ContactSYSTEM EFFECTIVENESS HIGH PERFORMANCE RANGE Nuaire for details.A system's overall effectiveness can be much higher 3 case options available as standard withthan in the past (heat recovery efficiencies typically performance up to 10m3/s. DX COIL & CHILLED WATERup to 60%) using run-around-coil-tube heat Contact Nuaire for other duties. COOLING OPTIONSexchanger systems that are accurately designed for Please refer to pages 134-137.maximum cost-effective performance. QUICK COMMISSIONING* Integrated supply and extract fan control allows FLEXIBLE RANGESEPARATION ADVANTAGE precise system duty adjustment and can be quickly Range includes LPHW or no heater.There is no possibility of cross contamination with and accurately set. Constant pressure control is available*.this type of heat recovery. Ideal for hygiene specific *Ecosmart models only. *Contact Nuaire.applications. EASY INSTALLATION ANCILLARIESOPTIONAL ENERGY EFFICIENT All RAC models are supplied in sections for delivery, A range of ancillaries are available includingCONTROLS ready for site assembly. manometers, bulkhead lights, view ports, drain traysFull Ecosmart control compatibility provides a RAC = Run around coil. and traps.simple ‘plug & go’ control solution with BMS For further details please contact Nuaire.interface and trickle and boost as standard EASY MAINTENANCE The unit provides access to both right and left sides. WARRANTYNO CONTROL OPTION It is recommended that clear space left be the full Models with Ecosmart control have a 5 yearFor control integration by others. width of the stacked unit. warranty. No control models have a 2 year warranty*. *Contact Nuaire for further details.FEATURES INCLUDE:With LPHW. Without heater. Run around energy exchanger. Constant Pressure control option. Frost coil option. (See page 132). nuaire.co.uk 121
AIR HANDLING UNITS (AHU’S)XBOXER RUN AROUND COILTECHNICAL INFORMATIONPERFORMANCE - XBOXER RUN AROUND COIL CasingXboxer Run around coil sizes 4, 5 and 6 ISO 5801 2007 1100 AMCA 300 1000 V 900 Type D Air Density 1.2 kg/m3 800 700Fan Static Pressure (Pa) 6 7.0 600 Code description (Example) 500 R4NC - RAC - L 2 WP | | | || | 400 5 8.0 9.0 10.0 1 2 3 45 6 300 1. = Type/Curve Ref. 4 2. = Ecosmart control as standard 200 NC = No control 3. = Run around coil 100 4. = Unit type 0 L = LPHW, N = No heater 0 1.0 2.0 3.0 4.0 5.0 6.0 5. = 2 row coil or 3 = 3 row coil 6. = Optional Weather Roof Air volume flow rate (m3/s)PERFORMANCE - XBOXER RUN AROUND COILELECTRICAL, SOUND & WEIGHT Motor Start Full load LPHW Breakout power dBA Weight Speed (kW) current current Heater Induct Sound Power Levels dB re 1pW @3m Kg*** (RPM) 8.8 63 125 250 500 1K 2K 4K 8K 53 1020Curve Code Phase 1440 8.8 (amps) (amps) (kW) 83 93 89 82 77 80 80 614 1440 87 90 89 90 84 85 85 71 52 2335 R4-RAC-** 3 18 18 * Intake 88 90 90 91 83 85 86 58 Supply 86 92 92 85 80 83 83 74 50 3565 R4NC-RAC-** 108 18 Discharge 80 79 81 67 53 54 63 43 Extract Breakout 87 88 85 83 83 82 81 79 88 96 84 83 90 90 85 845 R5-RAC-** 3 1440 16 37 37 * Intake 90 98 86 85 92 92 87 86 R5NC-RAC-** 1440 16 222 37 Supply 89 90 87 85 85 84 83 81 Discharge 82 84 76 61 61 61 64 61 Extract Breakout 83 95 86 75 79 81 78 64 88 92 87 83 86 86 83 646 R6-RAC-** 3 960 22 45.6 45.6 * Intake 88 92 87 83 86 86 83 64 R6NC-RAC-** 960 22 274 45.6 Supply 84 96 87 76 80 82 79 65 Discharge 80 82 76 59 55 55 60 40 Extract BreakoutUnits are supplied c/w with 2 No. G4 filters as standard. (F5 & F7 filters are available as integrated options on supply).Motor power and current loads are the total for both fans running together. Ecosmart models have a soft start function therefore the starting current is identical to the full load.** Add relevant code for heater type.* For details on coils, codes refer to page 130.***Weights of units are for guidance and include control and no weather roof. Please contact Nuaire for further details. 122 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER RUN AROUND COILTECHNICAL INFORMATION BDIMENSIONS AND CONFIGURATIONSXboxer Run around coil sizes 4, 5 and 6DIMENSIONS (mm)Code A B C Duct size D X E CR4-RAC 2800 1600 1600 1540 X 740R5-RAC 3200 2000 2000 1940 X 940R6-RAC 3800 2600 2600 2540 X 1240 E DN.B If CW or DX modules are included add 600mm to overall length. A Note: Access is from either side.Model shown: R4-6-RAC-L (LPHW). Includes Ecosmart control. Model shown: R4-6-RAC-N (No heater). Includes Ecosmart control.Model shown: R4-6NC-RAC-L (LPHW). No Ecosmart control. Model shown: R4-6NC-RAC-N (No heater). No Ecosmart control.Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 123
AIR HANDLING UNITS (AHU’S)XBOXER ANCILLARIESTECHNICAL INFORMATIONXBOXER ANCILLARIES WEATHER PROTECTION ROOF FOR XBOXER THERMAL WHEEL & RUN AROUND COILATTENUATOR MODULES UNITS - SIZES 4, 5 AND 6*Attenuators are faced with perforated sheet lined to *Note: Weather protection is also available for other stacked and horizontal units in the XBOXER range.prevent particle migration and filled with high density For further information contact Nuaire.mineral wool. Suitable for internal/external use. An example of a stacked unit with weather roof is shown below. Note: These roofs do not provide frost protection. For Weather Protection add ‘WP’ to end of unit code i.e. R4-RAC-L WP. AB A C B CDIMENSIONS (mm)Unit Code A B C Weight (Kg)SIL-TR-4 900 1600 800 190SIL-TR-5 1200 2000 1000 350SIL-TR-6 1200 2600 1300 384*Please contact Nuaire for further details and foroptions for T1-3.DYNAMIC INSERTION LOSS (dB) 8K 15Length 125 250 500 1K 2K 4K900 6 8 18 22 20 16 TWB & RAC WEATHER PROTECTIONMOTORISED DAMPER DIMENSIONS (mm)Opposed blade design with quick fit flanges. 240V Open/ Unit Code A B C Weight (Kg*)Shut model for efficient back draught protection. 1470 112 40(24V modulating version for balancing and control T/1 -TWB-*WP 1070 1470 112 50available on request). 2000 100 60 T/2-TWB-*WP 1070 2800 160 56 BA 3200 195 91 3800 248 138 T/3-TWB-*WP 1200 T/R4-RAC/T4 TWB-*WP 1600C T/R5-RAC/T5 TWB-*WP 2000 T/R6-RAC/T5 TWB-*WP 2600 *Weight of weather roof only.DIMENSIONS (mm) BASE FRAME CONDENSATE PUMPUnit A B C Weight (Kg) Base Frame is included.MD-TR-1 165 760 395 15MD-TR-2 165 960 494 20MD-TR-3 165 1200 590 40MD-TR-4 165 800 800 19MD-TR-5 165 1000 1000 28MD-TR-6 165 1300 1300 34Note: Dimensions B & C are to suit unit supplied. heightNON MOTORISED DAMPER DIMENSIONS (mm)Non motorised dampers are available, contact Nuaire. Unit Code Height of base frame DIMENSIONS (mm) T1, T2 and T3 100Please contact Nuaire for manometers, guages, T4 80 Unit Code L xW x H Weight (Kg)sensors, traps and drains, condensate pumps, T5 and T6 125 XB-CON-DR 267 x 51 x 64 1access panels, view ports and bulkhead lights.124 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER COIL PERFORMANCETECHNICAL INFORMATIONRUN AROUND COIL PERFORMANCERun around coil 20% ethylene glycol Supply air Power transferred Flow Coil dp rate kPaIntake Air temp. -3 deg C Q effy temp* kW l/sReturn Air temp. 22 deg C m3/s % Ex/Sup C 2R6-RAC 7.5 51 2 31 / 38R6-RAC 5 58 9.9 117 31 / 38 11.5 88 3R5-RAC 5 51 2 40 / 50R5-RAC 3 54 9.8 78 20 / 25 10.6 49 3.5R4-RAC 3 48 2.5 30 / 37R4-RAC 2 55 9 44 22 / 26 10.8 34* before main heating coil.This table gives example values for a Run around Coil heat recovery system based on the overall airwaydimensions for the units listed.This type of system has many variables that may be selected to match the required result, and therefore other outputconditions may readily be achieved.An example of this is where a run-around coil arrangement is selected to provide frost protection, giving a systemeffectively independent of the building's main heating provision.STANDARD THERMAL WHEEL PERFORMANCEThermal Wheel Supply air PowerIntake Air temp. -3 deg C Q effy temp* transferredReturn Air temp. 22 deg C m3/s % C kWT6-TWB 10.1T6-TWB 7.5 63 15.8 228T6-TWB 5 69 16.7 184 76 17.8 129T5-TWB 6.6T5-TWB 4.5 56 14.5 131T5-TWB 3 64 15.9 102 71 17.1 74T4-TWB 4T4-TWB 3 54 14.2 77T4-TWB 2 61 15.3 65 69 16.7 49T3-TWB 1.9T3-TWB 1.4 66 13.6 55T3-TWB 0.9 71 14.9 43 77 16.3 30T2-TWB 1.2T2-TWB 0.9 67 13.8 35T2-TWB 0.6 72 14.9 28 77 16.3 20T1-TWB 0.8T1-TWB 0.5 64 13.1 22T1-TWB 0.2 72 15.1 16 82 17.5 6.8* before main heating coil.This table gives a range of performance values for the standard thermal wheel models offered.The principal variable in the thermal wheel performance is the airflow velocity, but wheels having alternative physicalproperties may be selected in some cases if necessary.The values in the table above have been calculated using the following air conditions:Intake Air Temperature -3 Deg / 80% Relative Humidity; Return Air 22 Deg / 30% Relative Humidity.Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 125
AIR HANDLING UNITS (AHU’S)XBOXER COIL PERFORMANCETECHNICAL INFORMATIONSTANDARD COIL PERFORMANCESize 1 Air Volume Flow rate (m3/s) 0.72 0.36 Heat Air Off Water Flow Water Heat Air Off Water Flow Water Output temp rate dp OutputLPHWater Flow & Entering Air (kW) (l/s) (kPa) temp rate dp Flow & ReturnReturn Temp. (C) Temp (C) (C) (kW) Connection size 23 0.52 9.2 (C) (l/s) (kPa) 21 24 0.48 8 17 0.75\" / 22mm82/71 -3 19 28 0.43 6.6 16 37 0.38 5.4 0.75\" / 22mm 3 18 32 0.4 5.7 14 39 0.35 4.6 0.75\" / 22mm 10 35 13 43 0.32 3.9 0.75\" / 22mm 15 20 0.24 3 45 0.3 3.4 18 20 0.22 3 15 0.75\" / 22mm80/60 -3 16 24 0.2 3 13 31 0.18 3 0.75\" / 22mm 3 14 28 0.18 3 12 34 0.165 3 0.75\" / 22mm 10 31 11 37 0.15 3 0.75\" / 22mm 15 3 40 0.13 3 3 10 0.75\" / 22mm60/40 -3 13 12 0.16 3 8.5 20 0.12 3 0.75\" / 22mm 3 11 15 0.14 3 7 22 0.1 3 0.75\" / 22mm 10 9 20 0.11 6 26 0.09 3 0.75\" / 22mm 15 7 24 0.09 28 0.07 3Size 2 Air Volume Flow rate (m3/s) 1.1 0.75 0.5 Heat Air Off Water Flow Water Heat Air Off Water Flow Water Heat Air Off Water Flow WaterLPHWater Flow & Entering Air Output temp rate dp Output Output dp Flow & ReturnReturn Temp. (C) Temp (C) (kW) (l/s) (kPa) temp rate dp (kW) temp rate (C) (kW) (kPa) Connection size 23.2 (C) (l/s) (kPa) 24.25 (C) (l/s) 20 28.97 22.2 31.7 0.75\" / 22mm82/71 -3 32.52 21.5 0.724 16.4 26.55 26.4 0.645 18.9 19.84 33.9 0.54 11.7 0.75\" / 22mm 14.1 23.76 18.18 37.5 0.494 9.6 0.75\" / 22mm 3 29.9 25.9 0.665 21.79 30.5 0.591 16.1 41.6 0.442 12 0.75\" / 22mm 6.4 21.39 44.5 0.405 10 26.86 30.9 0.598 5.4 25.43 35.2 0.529 13.2 19.37 3.8 0.75\" / 22mm 4.3 23.04 17.04 3.2 0.75\" / 22mm 15 24.7 34.4 0.55 3.7 20.27 38.5 0.485 11.3 15.39 3 0.75\" / 22mm 18.32 3 0.75\" / 22mm80/60 -3 28.57 18.3 0.349 3.4 22.8 0.31 5.2 14.69 29.5 0.261 3 17.41 12.7 33.1 0.236 3 0.75\" / 22mm 3 25.96 22.6 0.317 3 15.05 26.9 0.281 4.4 10.4 37.1 0.208 3 0.75\" / 22mm 3 12.32 8.76 40 0.188 3 0.75\" / 22mm 10 22.93 27.6 0.28 10.38 31.5 0.247 3.5 3 0.75\" / 22mm 15 20.77 31,2 0.253 34.8 0.224 360/40 -3 19.69 11.3 0.238 14.6 0.211 3 19.3 0.178 18.6 0.182 3 22.7 0.154 3 17.07 15.6 0.207 23.1 0.149 3 26.6 0.126 26.2 0.126 3 29.2 0.106 10 14.02 20.5 0.17 15 11.82 24 0.143Size 3 Air Volume Flow rate (m3/s) 1.8 0.9 Heat Air Off Water Flow Water Heat Air Off Water Flow WaterLPHWater Flow & Entering Air Output temp rate dp OutputReturn Temp. (C) Temp (C) (kW) (l/s) (kPa) temp rate dp Flow & Return (C) (kW) Connection size 8.7 (C) (l/s) (kPa) 7.5 56 1.25\" / 35mm82/71 -3 81 34 1.81 6.3 52 49 1.26 4.9 1.25\" / 35mm 3 75 37 1.66 5.5 46 51 1.15 4.3 1.25\" / 35mm 10 67 41 1.49 43 53 1.04 3.6 1.25\" / 35mm 15 61 43 1.36 3 54 0.95 3.2 3 46 1.25\" / 35mm80/60 -3 65 27 0.8 3 42 39 0.56 3 1.25\" / 35mm 3 59 30 0.72 3 36 41 0.51 3 1.25\" / 35mm 10 51 33 0.62 32 43 0.44 3 1.25\" / 35mm 15 45 36 0.55 3 44 0.39 3 3 27 1.25\" / 35mm60/40 -3 37 15 0.47 3 22 22 0.33 3 1.25\" / 35mm 3 32 17 0.38 3 11 23 0.26 3 1.25\" / 35mm 10 22 20 0.27 9 20 0.13 3 1.25\" / 35mm 15 10 20 0.12 23 0.11 3The thermal outputs in these tables represent the results that may be achieved with the range of standardised coils offered in this range of equipment.Heating coils may of course be individually selected to meet project specific requirements.*Please note: above tables are based on indicative selections. For more specific selection, contact Nuaire.*Please note that the pressure drops shown are for the bare coil only. Please contact Nuaire for further information.126 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER COIL PERFORMANCETECHNICAL INFORMATIONSTANDARD COIL PERFORMANCESize 4 Air Volume Flow rate (m3/s) 4 3 2(2 row as standard) Heat Air Off Water Flow Water Heat Air Off Water Flow Water Heat Air Off Water Flow Water temp rate dp Output Output dp Flow & ReturnLPHWater Flow & Entering Air Output (l/s) (kPa) temp rate dp (kW) temp rate (C) (kW) (kPa) Connection sizeReturn Temp. (C) Temp (C) (kW) 6.9 (C) (l/s) (kPa) 90.3 (C) (l/s) 6 108 81 4.4 2\" / 54mm82/71 -3 119 21.6 2.7 4.8 99.5 26.7 2.4 5.9 75 34.3 2 3.7 2\" / 54mm 3 110 25.6 2.5 4.4 87 30.3 2.2 5.1 69 38.4 1.8 3.3 2\" / 54mm 10 96 30 2.14 89 35.8 1.92 4.1 40.9 1.7 3 2\" / 54mm 15 90 33.6 2 3 34.6 2 4.3 74 43.4 1.53 3 89.3 67 3 2\" / 54mm80/60 -3 98.5 17.3 1.3 3 80.5 21.7 1.1 3 58 28.5 0.91 3 2\" / 54mm 3 89 21.4 1.09 3 70 25.5 0.98 3 52 31.7 0.82 3 2\" / 54mm 10 77 26.2 0.95 62 29.8 0.86 3 35.3 0.71 3 2\" / 54mm 15 69 29.7 0.84 3 33 0.76 3 48 38 0.64 3 57 40 3 2\" / 54mm60/40 -3 63 9.5 0.77 3 48 12.2 0.69 3 31 16.4 0.58 3 2\" / 54mm 3 52.4 13.6 0.64 3 37 15.9 0.58 3 23 19.4 0.49 3 2\" / 54mm 10 40.4 18.3 0.49 28.5 20.1 0.45 3 22.8 0.37 3 2\" / 54mm 15 31 21.5 0.38 22.9 0.35 3 25 0.28Size 5 Air Volume Flow rate (m3/s) 6.6 4.5 3(3 row as standard) Heat Air Off Water Flow Water Heat Air Off Water Flow Water Heat Air Off Water Flow Water temp rate dp Output Output dp Flow & ReturnLPHWater Flow & Entering Air Output (l/s) (kPa) temp rate dp (kW) temp rate (C) (kW) (kPa) Connection sizeReturn Temp. (C) Temp (C) (kW) 11.1 (C) (l/s) (kPa) 180 (C) (l/s) 9.9 249 166 5.4 2.5\" / 67mm82/71 -3 287 30 6.4 8.2 227 39.1 5.5 8.9 149 51.9 4 4.7 2.5\" / 67mm 3 267 34.4 5.94 7.2 202 42.2 5.06 7.7 137 53.8 3.7 4 2.5\" / 67mm 10 238 38.7 5.29 185 45.8 4.5 6.4 55.9 3.3 3.5 2.5\" / 67mm 15 217 41.7 4.84 3.4 48.2 4.1 5.6 173 57.4 3.04 3 213 156 3 2.5\" / 67mm80/60 -3 239 27.6 2.92 3 191 32.9 2.6 3 136 40.8 2.1 3 2.5\" / 67mm 3 216 31 2.64 3 167 36 2.34 3 121 43.3 1.9 3 2.5\" / 67mm 10 189 34.8 2.31 149 39.5 2.04 3 46 1.65 3 2.5\" / 67mm 15 174 36.4 2.13 3 41.9 1.83 3 114 47.8 1.48 3 140 97 3 2.5\" / 67mm60/40 -3 162 15.7 1.97 3 119 20.6 1.7 3 77 25.9 1.38 3 2.5\" / 67mm 3 138 19.2 1.7 3 94 23.5 1.44 3 62 28.1 1.17 3 2.5\" / 67mm 10 109 23.3 1.33 76 26.6 1.14 3 30.4 0.93 3 2.5\" / 67mm 15 89 25.9 1.08 28.7 0.93 3 31.8 0.75Size 6 Air Volume Flow rate (m3/s) 10.1 7.5 5(2 row as standard) Heat Air Off Water Flow Water Heat Air Off Water Flow Water Heat Air Off Water Flow Water temp rate dp Output Output dp Flow & ReturnLPHWater Flow & Entering Air Output (l/s) (kPa) temp rate dp (kW) temp rate (C) (kW) (kPa) Connection sizeReturn Temp. (C) Temp (C) (kW) 33.8 (C) (l/s) (kPa) 319 (C) (l/s) 29.2 392 291 19.8 2.5\" / 67mm82/71 -3 443 30.3 9.86 24.2 358 36.7 8.7 27.7 259 45.4 7.09 17.1 2.5\" / 67mm 3 405 34.1 9 20.9 319 40.1 8 23.9 236 48.1 6.5 14.2 2.5\" / 67mm 10 361 38.5 8.1 291 43.9 7.1 19.8 51.2 5.75 12.3 2.5\" / 67mm 15 330 41.5 7.35 10.2 46.5 6.48 17.2 276 53.3 5.25 8.7 337 248 6.4 2.5\" / 67mm80/60 -3 378 25.5 4.62 7.2 303 31.1 4.1 8.6 217 38.9 3.37 5.5 2.5\" / 67mm 3 341 29.1 4.2 6.1 265 195 41.6 3.03 4.5 2.5\" / 67mm 10 298 33.5 3.64 238 34.4 3.7 7.3 44.6 2.65 3.9 2.5\" / 67mm 15 268 36.5 3.27 5.7 185 46.6 2.38 4.5 224 38.1 3.2 6 158 3.6 2.5\" / 67mm 15.9 3.1 3.3 191 127 25 2.24 3 2.5\" / 67mm 19.5 2.6 3 154 40.7 2.9 5.1 105 27.5 1.91 3 2.5\" / 67mm 23.6 2.1 127 30.2 1.54 3 2.5\" / 67mm60/40 -3 251 26.4 1.72 19.7 2.71 4.8 32 1.27 3 215 10 172 22.8 2.32 3.8 15 142 26.3 1.86 3 28.7 1.54 3The thermal outputs in these tables represent the results that may be achieved with the range of standardised coils offered in this range of equipment.Heating coils may of course be individually selected to meet project specific requirements.*Please note: above tables are based on indicative selections. For more specific selection, contact Nuaire.*Please note that the pressure drops shown are for the bare coil only. Please contact Nuaire for further information.Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 127
AIR HANDLING UNITS (AHU’S)XBOXER COIL PERFORMANCETECHNICAL INFORMATIONFROST COIL PERFORMANCESize 1 Maximum Air Volume 4 32Flow rate (m3/s) Entering Heat Air Off Water Flow Water Heat Air Off Water Flow Water Heat Air Off Water Flow WaterLPHWater Flow & Air Temp Output Output temp rate dpReturn Temp. (C) (C) (kW) temp rate dp (kW) (C) (l/s) (kPa) Output temp rate dp (C) (l/s) (kPa) 2.4 5.9 (kW) (C) (l/s) (kPa) Connection size82/71 -3 119 21.6 2.7 6.9 108 26.7 1.1 3 90.3 34.3 2 4.4 00\"/00mm80/60 -3 98.5* 17.3 1.3 3 89.3** 21.7 0.69 3 74** 28.5 0.91 3 *00\"/35mm **0\"/00mm60/40 -3 63* 9.5 0.77 3 57** 12.2 48** 16.4 0.58 3 *00\"/35mm **0\"/00mmSize 2 Maximum Air Volume 6.6 4.5 3Flow rate (m3/s) Entering Heat Air Off Water Flow Water Heat Air Off Water Flow Water Heat Air Off Water Flow WaterLPHWater Flow & Air Temp Output temp rate dp Output temp rate dpReturn Temp. (C) (C) (kW) (C) (l/s) (kPa) (kW) (C) (l/s) (kPa) Output temp rate dp 39.1 5.5 8.9 30 6.4 11.1 249 (kW) (C) (l/s) (kPa) Connection size 32.9 2.6 382/71 -3 287 20.6 1.7 3 180 51.9 4 5.4 *0\"/00mm **00\"/00mm ***00\"/00mm80/60 -3 239 27.6 2.92 3.4 213 173 40.8 2.1 3 *00\"/00mm ** 00\"/00mm60/40 -3 162 15.7 1.97 3 140 114 25.9 1.38 3 *00\"/00mm ** 00\"/00mmSize 3 Maximum Air Volume 10.1 7.5 5Flow rate (m3/s) Entering Heat Air Off Water Flow Water Heat Air Off Water Flow Water Heat Air Off Water Flow WaterLPHWater Flow & Air Temp OutputReturn Temp. (C) (C) (kW) temp rate dp Output temp rate dp Output temp rate dp (C) (l/s) (kPa) (kW) (C) (l/s) (kPa) (kW) (C) (l/s) (kPa) Connection size82/71 -3 443 30.3 9.86 33.8 392 36.7 8.7 27.7 319 45.4 7.09 19.8 *0\"/00mm **00\"/00mm80/60 -3 378 25.5 4.62 10.2 337 31.1 4.1 8.6 276 38.9 3.37 6.4 *00\"/00mm **00\"/00mm60/40 -3 251 15.9 3.1 5.7 224 19.7 2.71 4.8 185 25 2.74 3.6 *00\"/00mm **00\"/00mmThe thermal outputs in these tables represent the performance of coils selected to achieve our recommended operational specifications for a frost protection coil.Alternative coil specifications may be provided on request.*Please note: above tables are based on indicative selections. For more specific selection, contact Nuaire.*Please note that the pressure drops shown are for the bare coil only. Please contact Nuaire for further information. Code descriptions FC TR 1 - 82/71 - 4 ||| | | | 123 4 5 6 1. = Frost coil 2. = Suitable for Thermal wheel (TWB) & (RAC) Run around coil units 3. = Unit size 4. = Flow temperature 5. = Return temperature 6. = Maximum volume flow rate (m3/s)128 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER COIL PERFORMANCETECHNICAL INFORMATIONFROST COIL PERFORMANCESize 4 Maximum Air Volume 4 32Flow rate (m3/s) Entering Heat Air Off Water Flow Water Heat Air Off Water Flow Water Heat Air Off Water Flow WaterLPHWater Flow & Air Temp Output Output temp rate dpReturn Temp. (C) (C) (kW) temp rate dp (C) (l/s) (kPa) Output temp rate dp (kW) (C) (l/s) (kPa) 5 0.89 12.3 (kW) (C) (l/s) (kPa) Connection size 4082/71 -5 53 5 1.18 9.2 5 0.49 9.5 26.5 5 0.59 11.8 1.25\"/35mm 40**80/60 -5 53* 5 0.65 14.2 5 0.48 13.6 26.5** 5 0.33 12.2 *1.25\"/35mm **1\"/28mm 40**60/40 -5 53* 5 0.64 10.4 26.5** 5 0.32 12.8 *1.25\"/35mm **1\"/28mmSize 5 Maximum Air Volume 6.6 4.5 3Flow rate (m3/s) Entering Heat Air Off Water Flow Water Heat Air Off Water Flow Water Heat Air Off Water Flow WaterLPHWater Flow & Air Temp Output Output temp rate dpReturn Temp. (C) (C) (kW) temp rate dp (C) (l/s) (kPa) Output temp rate dp (kW) 1.33 8 (C) (l/s) (kPa) 5 (kW) (C) (l/s) (kPa) Connection size 60** 0.73 13.682/71 -5 87.5* 5 1.95 12.3 5 0.73 14.2 40** 5 0.89 4.4 *2\"/54mm **1.5\"/42mm 5 ***1.25\"/35mm80/60 -5 87.5* 5 1.07 7.4 60* 40** 5 0.49 14.5 *1.25\"/35mm ** 1\"/28mm60/40 -5 87.5* 5 1.06 9.2 60* 40** 5 0.48 8.2 *1.25\"/35mm ** 1\"/28mmSize 6 Maximum Air Volume 10.1 7.5 5Flow rate (m3/s) Entering Heat Air Off Water Flow Water Heat Air Off Water Flow Water Heat Air Off Water Flow WaterLPHWater Flow & Air Temp OutputReturn Temp. (C) (C) (kW) temp rate dp Output temp rate dp Output temp rate dp (C) (l/s) (kPa) (kW) (C) (l/s) (kPa) (kW) (C) (l/s) (kPa) Connection size82/71 -5 134* 5 2.98 7.8 99* 5 2.21 11.7 66** 5 1.48 6.6 *2\"/54mm **1.5\"/42mm80/60 -5 133* 5 1.63 9.9 99* 5 1.21 12.9 66** 5 0.81 14.9 *1.5\"/42mm **1.25\"/35mm60/40 -5 134* 5 1.62 12.4 99* 5 1.2 13.7 66** 5 0.8 8.3 *1.5\"/42mm **1.25\"/35mmThe thermal outputs in these tables represent the performance of coils selected to achieve our recommended operational specifications for a frost protection coil.Alternative coil specifications may be provided on request.*Please note: above tables are based on indicative selections. For more specific selection, contact Nuaire.*Please note that the pressure drops shown are for the bare coil only. Please contact Nuaire for further information.Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 129
AIR HANDLING UNITS (AHU’S)XBOXER COIL PERFORMANCETECHNICAL INFORMATIONCOOLING COIL AND CHILLED WATER PERFORMANCESize T1Max Air Volume Flow Rate (m3/s) 0.722 18 Pa 0.36 26 PaCWater Flow and Return Temp. (C) Water flow Entering Air Cooling Output Air Off Water Cooling Output Air Off Water flow Water 6 / 12 Conditions kW Condition rate dp kW Condition rate dp db (deg C) /Rh (%) db (deg C) / Rh (%) l/s kPa db (deg C) / Rh (%) l/s kPa total / sensible total / sensible 25 / 50 17 / 72.5 0.38 16.3 9.5 / 7* 3/4” / 22mm 4.9 / 3.5** 17 / 72 0.193 10.6 Connection size 3/4” / 22mm Connection sizeSize T2Max Air Volume Flow Rate (m3/s) Entering Air Cooling Output 1.1 Water flow Water Cooling Output 0.75 Water flow WaterCWater Flow and Return Temp. (C) Conditions kW Air Off rate dp kW rate dp db (deg C) /Rh (%) l/s kPa Air Off l/s kPa 6 / 12 total / sensible Condition total / sensible Condition 25 / 50 db (deg C) / Rh (%) 0.541 20.3 db (deg C) / Rh (%) 13.6 / 9.8 17.61 / 70.3 10.1 / 7.3 17.02 / 72.2 0.399 12.1 3/4” / 22mm Connection size 3/4” / 22mm Connection sizeSize T3Max Air Volume Flow Rate (m3/s) Entering Air Cooling Output 1.8 Water flow Water Cooling Output 0.9 Water flow WaterCWater Flow and Return Temp. (C) Conditions kW Air Off rate dp kW rate dp db (deg C) /Rh (%) l/s kPa Air Off l/s kPa 6 / 12 total / sensible Condition total / sensible Condition 25 / 50 db (deg C) / Rh (%) 0.93 12 db (deg C) / Rh (%) 23 / 17 17 / 73 12.1 / 8.7 17 / 72 0.48 19 1/4” / 35mm Connection size Connection size 1/4” / 35mmDX COIL PERFORMANCESize T1Max Air Volume Flow Rate (m3/s) 0.72 0.36R407C 45.0 Entering Air Cooling Output Air Off Mass flow Coil Cooling Output Air Off Mass flow CoilLiq. Temp. before TEV oC 10.0 Conditions kW Condition rate dp kW Condition rate dpAverage Evap. Temp. oC 5.0 db (deg C) /Rh (%) db (deg C) / Rh (%) kg / h bar / k db (deg C) / Rh (%) kg / h bar / kSuperheat oK total / sensible total / sensible 25 / 50 7 17 / 82 163 0.19 / 0.9 3.5 17 / 82 82 0.04 / 0 2 x 12.7 2 x 15.9 Gas 5 m/sConnection size (mm) twin coil interlaced 2 x 12.7 2 x 15.9 Gas 2.5 m/sSize T2Max Air Volume Flow Rate (m3/s) 1.1 0.75R407C 45.0 Entering Air Cooling Output Air Off Mass flow Coil Cooling Output Air Off Mass flow CoilLiq. Temp. before TEV oC 10.0 Conditions kW Condition rate dp kW Condition rate dpAverage Evap. Temp. oC 5.0 db (deg C) /Rh (%) db (deg C) / Rh (%) kg / h bar / k db (deg C) / Rh (%) kg / h bar / kSuperheat oK total / sensible total / sensible 25 / 50 12.4 / 10.9 16.8 / 80 293 0.82 / 3.9 10.2 / 8.1 16 / 80 240 0.55 / 2.6Connection size (mm) twin coil interlaced 1 x 12.7mm Liquid line and 1 x 28 Gas lineSize T3Max Air Volume Flow Rate (m3/s) 7.4 5.4R407C 45.0 Entering Air Cooling Output Air Off Mass flow Coil Cooling Output Air Off Mass flow CoilLiq. Temp. before TEV oC 10.0 Conditions kW Condition rate dp kW Condition rate dpAverage Evap. Temp. oC 5.0 db (deg C) /Rh (%) db (deg C) / Rh (%) kg / h bar / k db (deg C) / Rh (%) kg / h bar / kSuperheat oK total / sensible total / sensible 25 / 50 17.4 17 / 82 408 0.12 / 0.5 8.7 17 / 82 204 0.06 / 0 2 x 12.7 2 x 22 Gas 6 m/sConnection size (mm) twin coil interlaced 2 x 12.7 2 x 15.9 Gas 6.2 m/s*Please note: above tables are based on indicative selections. For more specific selection, contact Nuaire.130 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER COIL PERFORMANCETECHNICAL INFORMATIONSize T2 continuedCooling Output 0.5 Water flow Water Cooling Output 0.25 Water flow Water kW rate dp kW rate dp Air Off l/s kPa Air Off l/s kPatotal / sensible Condition total / sensible Condition db (deg C) / Rh (%) db (deg C) / Rh (%) 7.1 / 5.1 16.52 / 73.9 0.283 6.8 3.8 / 2.8 15.85 / 76.8 0.151 3Connection size 3/4” / 22mm Connection size 3/4” / 22mm Code description for Chilled Water or Cooling Coils CW TR 1 - 6/12 - 2.6 | || | | 1 23 4 5 1. = Chilled water or (CC) = Cooling coil 2. = Suitable for Thermal wheel (TWB) & (RAC) Run around coil units 3. = Unit size 4. = Flow and return temperature 5. = Return temperature 6. = Maximum air flow rate (m3/s)Size T2 continuedCooling Output 0.5 Mass flow Coil Cooling Output 0.4 Mass flow Coil kW rate dp kW rate dp Air Off kg / h bar / k Air Off kg / h bar / ktotal / sensible Condition total / sensible Condition db (deg C) / Rh (%) db (deg C) / Rh (%)7.7 / 5.8 15.4 / 80 182 0.31 / 1.5 4.1 / 3.9 17 / 80 97 0.07 / 0 1 x 12.7mm Liquid line and 1 x 28 Gas line Code description for DX Coil DX TR 1 - 2.6 | || | 1 23 4 1. = Type of coil 2. = Suitable for Thermal wheel (TWB) 3. = Unit size 4. = Maximum air flow rate (m3/s)Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 131
AIR HANDLING UNITS (AHU’S)XBOXER COIL PERFORMANCETECHNICAL INFORMATIONCOOLING COIL AND CHILLED WATER PERFORMANCESize T4Max Air Volume Flow Rate (m3/s) Entering Air Cooling Output 2.6 Water flow Water Cooling Output 1.9 Water flow WaterCWater Flow and Return Temp. (C) Conditions kW Air Off rate dp kW rate dp db (deg C) /Rh (%) l/s kPa Air Off l/s kPa 6 / 12 total / sensible Condition total / sensible Condition 28 / 50 db (deg C) / Rh (%) 2.32 14 db (deg C) / Rh (%) 58 / 38* 16 / 82.5 44 / 28** 16 / 80.4 1.75 23.8 *2” / 54mm Connection size Connection size **1.5” / 42mmSize T5Max Air Volume Flow Rate (m3/s) Entering Air Cooling Output 4.7 Water flow Water Cooling Output 3.4 Water flow WaterCWater Flow and Return Temp. (C) Conditions kW Air Off rate dp kW rate dp db (deg C) /Rh (%) l/s kPa Air Off l/s kPa 6 / 12 total / sensible Condition total / sensible Condition 28 / 50 db (deg C) / Rh (%) 4.27 26.7 db (deg C) / Rh (%) 108 / 68* 16 / 81.3 78 / 49** 16 / 81 3.1 18.5 *2.5” / 67mm Connection size **2” / 54mm Connection sizeSize T6Max Air Volume Flow Rate (m3/s) Entering Air Cooling Output 7.4 Water flow Water Cooling Output 5.4 Water flow WaterCWater Flow and Return Temp. (C) Conditions kW Air Off rate dp kW rate dp db (deg C) /Rh (%) l/s kPa Air Off l/s kPa 6 / 12 total / sensible Condition total / sensible Condition 28 / 50 db (deg C) / Rh (%) 6.64 22.4 db (deg C) / Rh (%) 167 / 108* 16 / 82 125 / 78.5** 16 / 80.4 5 27 *3” / 76mm Connection size **2.5” / 67mm Connection sizeDX COIL PERFORMANCESize T4Max Air Volume Flow Rate (m3/s) 2.6 1.9R407C 45.0 Entering Air Cooling Output Air Off Mass flow Coil Cooling Output Air Off Mass flow CoilLiq. Temp. before TEV oC 10.0 Conditions kW Condition rate dp kW Condition rate dpAverage Evap. Temp. oC 5.0 db (deg C) /Rh (%) db (deg C) / Rh (%) kg / h bar / k db (deg C) / Rh (%) kg / h bar / kSuperheat oK total / sensible total / sensible 28 / 50 48.4 / 37.8 16 / 93 1134 0.16 / 0.7 36.6 / 28 16 / 91 858 0.25/1.1Connection size (mm) twin coil interlaced 2 x 15.9 2 x 35 Gas 6.7 m/s 2 x 12.7 2 x 28 Gas 7.5 m/sSize T5Max Air Volume Flow Rate (m3/s) 4.7 3.4R407C 45.0 Entering Air Cooling Output Air Off Mass flow Coil Cooling Output Air Off Mass flow CoilLiq. Temp. before TEV oC 10.0 Conditions kW Condition rate dp kW Condition rate dpAverage Evap. Temp. oC 5.0 db (deg C) /Rh (%) db (deg C) / Rh (%) kg / h bar / k db (deg C) / Rh (%) kg / h bar / kSuperheat oK total / sensible total / sensible 28 / 50 86.3 / 68.3 16 / 94 2020 0.12 / 0.5 66.1 / 49.4 16 / 91 1548 0.28/1.2Connection size (mm) twin coil interlaced 2 x 22 2 x 42 Gas 8.0 m/s 2 x 15.9 2 x 35 Gas 9.1 m/sSize T6Max Air Volume Flow Rate (m3/s) 7.4 5.4R407C 45.0 Entering Air Cooling Output Air Off Mass flow Coil Cooling Output Air Off Mass flow CoilLiq. Temp. before TEV oC 10.0 Conditions kW Condition rate dp kW Condition rate dpAverage Evap. Temp. oC 5.0 db (deg C) /Rh (%) db (deg C) / Rh (%) kg / h bar / k db (deg C) / Rh (%) kg / h bar / kSuperheat oK total / sensible total / sensible 28 / 50 3267 0.3 / 1.4 139.6 / 108 16 / 93 104.7 / 78.5 16 / 91 2449 0.16/0.7Connection size (mm) twin coil interlaced 2 x 22 2 x 54 Gas 7.9 m/s 2 x 22 2 x 42 Gas 9.7 m/s*Please note: above tables are based on indicative selections. For more specific selection, contact Nuaire.132 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER COIL PERFORMANCETECHNICAL INFORMATIONSize T4 continuedCooling Output 1.6 Water flow Water Cooling Output 1 Water flow Water Code description for kW rate dp kW rate dp Chilled Water or Cooling Coils Air Off l/s kPa Air Off l/s kPatotal / sensible Condition total / sensible Condition CW TR 4 - 6/12 - 2.6 db (deg C) / Rh (%) db (deg C) / Rh (%) | || | | 37 / 23** 16 / 80.2 1.48 27.2 23 / 14.5*** 16 / 80.3 0.92 14Connection size **1.5” / 42mm Connection size ***1.25” / 35mm 1 23 4 5Size T5 continued 1. = Chilled water or (CC) = Cooling coilCooling Output 2.8 Water flow Water Cooling Output 1.4 Water flow Water kW rate dp kW rate dp 2. = Suitable for Thermal wheel (TWB) Air Off l/s kPa Air Off l/s kPa & (RAC) Run around coil unitstotal / sensible Condition total / sensible Condition db (deg C) / Rh (%) db (deg C) / Rh (%) 3. = Unit size 4. = Flow and return temperature 64.5 / 41** 16 / 80.7 2.56 21 33 / 20.4*** 16 / 79.3 1.31 19 5. = Return temperatureConnection size **2” / 54mm Connection size 6. = Maximum air flow rate (m3/s) ***1.5” / 42mmSize T5 continuedCooling Output 4.7 Water flow Water Cooling Output 3 Water flow Water kW rate dp kW rate dp Air Off l/s kPa Air Off l/s kPatotal / sensible Condition total / sensible Condition db (deg C) / Rh (%) db (deg C) / Rh (%) 109 / 68** 16 / 80.1 4.34 22 70 / 44*** 16 / 80.2 2.77 19Connection size **2.5” / 67mm Connection size ***2” / 54mmSize T4 continuedCooling Output 1.6 Mass flow Coil Cooling Output 1 Mass flow Coil Code description for kW rate dp kW rate dp DX Coil Air Off kg / h bar / k Air Off kg / h bar / ktotal / sensible Condition total / sensible Condition DX TR 4 - 2.6 db (deg C) / Rh (%) db (deg C) / Rh (%) | || |31.1 / 23.3 16 / 91 734 0.18 / 0.8 20 / 14.5 16 / 90 467 0.19 / 0.9 1 23 42 x 12.7 2 x 28 Gas 6.4 m/s 2 x 12.7 2 x 22 Gas 6.9 m/s 1. = Type of coil 2. = Suitable for Thermal wheel (TWB)Size T5 continued & (RAC) Run around coil unitsCooling Output 2.8 Mass flow Coil Cooling Output 1.4 Mass flow Coil 3. = Unit size kW rate dp kW rate dp 4. = Maximum air flow rate (m3/s) Air Off kg / h bar / k Air Off kg / h bar / ktotal / sensible Condition total / sensible Condition db (deg C) / Rh (%) db (deg C) / Rh (%)54.2 / 41 16 / 91 1268 0.29 / 1.3 28.6 / 20.4 16 / 88 670 0.27 / 1.22 x 15.9 2 x 35 Gas 7.5 m/s 2 x 12.7 2 x 28 Gas 5.9 m/sSize T6 continuedCooling Output 4.7 Mass flow Coil Cooling Output 3 Mass flow Coil kW rate dp kW rate dp Air Off kg / h bar / k Air Off kg / h bar / ktotal / sensible Condition total / sensible Condition db (deg C) / Rh (%) db (deg C) / Rh (%)98 / 68.3 16 / 91 2130 0.2 / 0.9 60.2 / 44 16 / 89 1408 0.19 / 0.92 x 22 2 x 42 Gas 8.4 m/s 2 x 22 2 x 35 Gas 8.3 m/sDownload specification from www.nuaire.co.uk/specifications nuaire.co.uk 133
AIR HANDLING UNITS (AHU’S)XBOXER WIRINGTECHNICAL INFORMATIONWIRING FOR UNITS WITH ECOSMART CONTROL - T1 - TWB ‘L’ (LPHW) Remove this link wire if: Set air off Remove this link wire if: temperature 1. a switched live signal is connected. 1. a switched live signal is connected. of LPHW coil 2. A ES-PIR, ES-TC or BMS signal is connected. 2. A ES-PIR, ES-TC or BMS signal 0V Bypass 30 0V Controller BMS signal 0-10V is connected. 0-10V Pwr BMS signal Pwr Standby Standby Fan 1 N Ecosmart Fan 1 N Ecosmart Fan 2 Fan 2 Heating L Heating L Cooling FAULT RUN HEAT DAMPER Cooling Fault SL DEMAND Fault 25 SL Frost Frost 25 Tx Min Max SL run on 25TxMin Max SL run on Rx DP Rx DP AUTOConnections CL HEATER/COOLConnectionsCLto Damper to Damper N 01 ON OFFN 01Heat demand RET FAULT RUN HEAT DAMPERHeat demandRETsignal signalRun signal DEMANDTrickleTestRun signalTrickleTestFault signal Fault signal230V 50Hz L NET connections for NET connections for1ph mains N ECOSMART devices ECOSMART devices E Earth Cooling Frost Signal for Signal for Earth demand alarm DX1 coil DX2 coil signal signal if fitted if fittedWIRING FOR UNITS WITH ECOSMART CONTROL - T2 - TWB ‘L’ (LPHW) Remove this link wire if: Set air off Remove this link wire if: temperature 1. a switched live signal is connected. 1. a switched live signal is connected. of LPHW coil 2. A ES-PIR, ES-TC or BMS signal is connected. 2. A ES-PIR, ES-TC or BMS signal 0V Bypass 30 0V Controller BMS signal 0-10V is connected. 0-10V Pwr BMS signal Pwr Standby Standby Fan 1 N Ecosmart Fan 1 N Ecosmart Fan 2 Fan 2 Heating L Heating L Cooling FAULT RUN HEAT DAMPER Cooling Fault SL DEMAND Fault SL Frost Frost Tx Min Max SL run on 25TxMin Max SL run on Rx DP Rx DP AUTOConnections CL HEATER/COOLConnectionsCLto Damper to Damper N 01 ON OFFN 01Heat demand RET FAULT RUN HEAT DAMPERHeat demandRETsignal signalRun signal DEMANDTrickleTestRun signalTrickleTestFault signal Fault signal400V 50Hz L1 NET connections for NET connections for3ph mains L2 ECOSMART devices ECOSMART devices L3 N Earth Cooling Frost Signal for Signal for Earth E demand alarm DX1 coil DX2 coil signal signal if fitted if fitted134 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER WIRINGTECHNICAL INFORMATIONWIRING FOR UNITS WITH ECOSMART CONTROL - T4, 5 & 6 TWB R4, 5 & 6 RAC ‘N’ (NO HEATER) EXTRACTNuaire Ecosmart Heating Controller(not included with this range) may be suitable forcontrol of third party valve actuators.Contact Nuaire for details.WIRING FOR UNITS WITH ECOSMART CONTROL - T4, 5 & 6 TWB R4, 5 & 6 RAC ‘N’ (NO HEATER) SUPPLYDownload specification from www.nuaire.co.uk/specifications nuaire.co.uk 135
AIR HANDLING UNITS (AHU’S)XBOXER WIRINGTECHNICAL INFORMATIONWIRING FOR UNITS WITH ECOSMART CONTROL - T4, 5 & 6 TWB R4, 5 AND 6 RAC ‘L’ (LPHW) EXTRACTNuaire Ecosmart Heating Controller(not included with this range) may be suitablefor control of third party valve actuators.Contact Nuaire for details.WIRING FOR UNITS WITH ECOSMART CONTROL - T4, 5 & 6 TWB R4, 5 AND 6 RAC ‘L’ (LPHW) SUPPLY 136 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER WIRINGTECHNICAL INFORMATIONWIRING FOR UNITS WITHOUT ECOSMART CONTROLT4NC, T5NC & T6NC TWB - 3 PHASE AND R4NC, 5NC & 6NC RAC - 3 PHASETHREE PHASE 3 phase for DOL STARTING 3 phase for connection to a (4kW and above) STAR /DELTA STARTER (4kW and above) Note: For all D.O.L. (Direct On Line) operation or Inverter type Speed Control wire in DELTA U1 L1 STAR U1 V1 L2 V1 W1 L3 L1 - U1 W1 W2 L2 - V1 W2 U2 L3 - W1 U2 V2 Link W2, U2, V2 V2 400V 3 phase 50Hz supply DELTA L1 - U1 - W2 L2 - V1 - U2 L3 - W1 - V2 400V 3 phase 50Hz supply * Matched Frequency Inverter Connections 3 Phase input to motor L1 L/L2 N/L3 PE/ W VU L1 L2 L3 Motor 3 phase 3 Phase only INVERTER SPEED CONTROL Notes: Total length of motor leads should not exceed 50 metres. If a screened motor cable is used, maximum length should be 25 metres. Consult our Technical Department if you wish to use longer leads. Inverters are configured to suit specific fans and control applications as described on the Customer Order free of charge. 400V 3 phase 50Hz supply* Note: by special order. Refers only to Inverters supplied by Nuaire.Each standard unit uses two motors for both supply and extract operation. (4 in total)Download specification from www.nuairegroup.com/specifications nuaire.co.uk 137
AIR HANDLING UNITS (AHU’S)XBOXERTECHNICAL INFORMATIONCONSULTANTS SPECIFICATIONXBOXER THERMAL WHEEL & RUN AROUND COIL A run on timer and “background” ventilation function and is provided as is unit status indication, run / fail relays, and interface connection for EcosmartOPERATION sensors/enablers and system dampers.The supply and extract ventilation unit shall be as indicated on the drawings and The unit heat recovery function is facilitated by a dedicated controller andshall be in accordance with the particular fan schedule associated sensors. An output signal is provided to control thermal wheel drive orin the specification. Supply air to the room shall be pre-heated by the extract air plate heat exchanger bypass operation (included), For Run Around Coil units, thevia the integrated thermal wheel or run around coil. output signal may be used to control the circulation pump system (by others).Where fitted an integrated heater battery shall raise the temperature of the BMS. The Ecosmart control module can additionally be pre-configured to providesupply air to the design room temperature after the air has passed through the the following integrated BMS interfaces.thermal wheel or run around coil. • 0 - 10 volt contacts to provide a full BMS interface. This will enable theThe Ecosmart ventilation unit shall automatically vary the ventilation rate, as it following functions:-receives signals from one of the optional interconnected sensors. Switch the unit ON/OFF.When signals are received, the fan shall either vary its speed proportionally or Variable speed / duty control Switch from low speed to highon a trickle and boost principle. speed - trickle and boost principle.The unit shall have the facility to commission the supply and extract fans • 2 No.Volt free contacts to provide fan run and failure indication to provideindividually via inbuilt minimum and maximum speed adjustment, the fans system status.themselves shall have infinitely variable speed control. Please note Ecosmart is fan only control.RANGE TYPE -THERMAL WHEEL UNIT NO CONTROL - (OPTIONAL)The vertically stacked unit shall be manufactured from aluzinc corrosion Unit provides side access to direct supply and extract fan motor wiring (terminalresistant steel, with 25mm double skinned infill panels and extruded aluminium boxes) for interface to custom built control panels by others. For this option, noframe giving extremely low noise levels. The unit shall include the following sensors are fitted to the unit, but note that in the case of plate heat exchangeritems:- Thermal wheel, supply & extract fans, supply and extract filters, G4 units, the bypass damper actuator is included, and for thermal wheel units, thegrade bag as standard (upgrade to F7 bag if required) and LPHW heating coil wheel motor and drive unit is included.(L model). The unit shall be constructed with removable panels allowingmaintenance access from either side. Note: T1, T2 & T3 have chosen side access. ELECTRIC HEATER BATTERY The electric heater battery shall be factory fitted and pre-wired to an integralRUN AROUND COIL UNIT closed loop thyristor control.When the unit is switched off, the fan shallThe vertically stacked unit shall be manufactured from aluzinc corrosion continue to run to dissipate heat from the electric heater battery beforeresistant steel, with 25mm double skinned infill panels and extruded aluminium stopping.frame giving extremely low noise levels. The unit shall include the followingitems:- Run around coil pair, supply & extract fans, condensate drip tray and COIL TYPES - LOW PRESSURE HOT WATER COIL &22mm drain connection (alternatively a condensate pump shall be provided if RUN AROUND COILS (OPTIONAL)specified), supply and extract filters, G4 grade bag as standard (upgrade to F7 The coil casing shall be formed from heavy gauge galvanised sheet steel tobag if required) and LPHW heating coil (L models). BS 2989 to make a rigid assembly. Tube end plates shall have die formed collared holes to allow expansion and contraction of the tubes without damage.The unit shall be constructed with removable panels allowing full maintenance All coils are pressure tested to 16 bar with dry compressed air under water.access from either side. Standard or duty specific coils are selected to suit customer requirement using specific computer software to give optimum performance with lowest pressureCONTROL TYPES - drop.ECOSMART - (OPTIONAL) The coils shall be factory fitted with drain cocks and air vents.The Ecosmart control option provides the facility for energy saving via anintelligent stand-alone AHU function, or for convenient integration with client Standard specification coils have copper tubes and aluminium fins.BMS with a minimal coordination requirement. Coil connections shall be BSP terminated at the exterior of the unit casing.The factory fitted control includes:- integral infinitely variable (inverter) speed / T1, T2 & T3 will have push fit connections.duty control for the supply and extract fans, with independent minimum andmaximum adjustment for accurate commissioning.138 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXERTECHNICAL INFORMATIONCONSULTANTS SPECIFICATIONXBOXER THERMAL WHEEL & RUN AROUND COIL MOTORISED DAMPERS Motorised damper shall be of opposed blade type and come complete withCOOLING COILS - CHILLED WATER (OPTIONAL) quick fit flanges as standard. Damper is 240V open/shut type designed forThe coil casing shall be formed from heavy gauge galvanised sheet steel to efficient back draft protection.BS 2989 to make a rigid assembly. Tube end plates shall have die formed collaredholes to allow expansion and contraction of the tubes without damage. CODE FOR DAMPERSAll coils are pressure tested to 16 bar with dry compressed air under water. MD-TR1 (to fit size 1-TWB**Standard or duty specific coils are selected to suit customer requirement using MD-TR2 (to fit size 2-TWB**specific computer software to give optimum performance with lowest pressure MD-TR3 (to fit size 3-TWB**drop. The chilled water coils shall be factory fitted with drain cocks and air vents. MD-TR4 (to fit size 4-TWB/RAC** MD-TR5 (to fit size 5-TWB/RAC**Standard specification coils shall have copper tubes and aluminium fins, and shall MD-TR6 (to fit size 6-TWB/RAC**be supplied complete with an insulated condensate tray with drain connection, Note: above are suitable for both Thermal wheel and run around coil ranges.and moisture eliminator. Coil connections shall be BSP terminated at the exteriorof the unit casing. T1, T2 & T3 will have push fit connections. WEATHER KIT Manufactured from Aluzinc the weather proof enclosure is designed for NuaireCOOLING COILS – DX COIL (OPTIONAL) thermal wheel and run around coil ranges. Kit’s can be factory fitted or installedThe coil casing shall be formed from heavy gauge galvanised sheet steel to on site. Note: enclosure does not provide frost protection.BS 2989 to make a rigid assembly. Tube end plates shall have die formed collaredholes to allow expansion and contraction of the tubes without damage. XBOXER THERMAL WHEEL & RUN AROUND COILAll coils are pressure tested to 16 bar with dry compressed air under water.Standard or duty specific coils are selected to suit customer requirement using CODE (FOR THERMAL WHEEL MODELS)specific computer software to give optimum performance with the chosen T1-TWB-L L 2 WPrefrigerant. T2-TWB-R L 2 WP T3-TWB-L N WPThe DX coils shall be of twin coil interlaced type unless otherwise stated (c/w T1-TWB-R N WPtwo pairs of connections). Standard specification coils shall have copper tubes T2-TWB-L E WPand aluminium fins, and shall be supplied complete with an insulated T3-TWB-R E WPcondensate tray with drain connection, and moisture eliminator.Coil connections shall be BSP terminated at the exterior of the unit casing. T4-TWB-L*WP T5-TWB-L*WPANCILLARIES FOR RAC & TWB - ATTENUATORS T6-TWB-L*WPAttenuator splitters is shall be manufactured from using chemically inert, non- T4-TWB-NWPcombustible, non-hydroscopic and vermin resistant sound absorbing material, T5-TWB-NWPwith fibre-retaining facing Attenuator casing shall be manufactured from aluzinc T6-TWB-NWPcorrosion resistant steel, with 25mm double skinned infill panels and extrudedaluminium frame. CODE (FOR RUN AROUND COIL MODELS) R4-RAC-L*WPAttenuator shall be tested in accordance with BSI 4718: 1971 ASTME 477 and R5-RAC-L*WPshall be suitable for external/internal use. R6-RAC-L*WP R4-RAC-NWPCODE FOR ATTENUATORS R5-RAC-NWPSIL-TR-1 (to fit thermal wheel unit). R6-RAC-NWPSIL-TR-2 (to fit thermal wheel unit). * Denotes handing, ‘L’ = left, ‘R’ = right.SIL-TR-3 (to fit thermal wheel unit).SIL-TR-4 (to fit both thermal wheel and run around coil unit). Models with Ecosmart control will have a 5 year warranty.SIL-TR-5 (to fit both thermal wheel and run around coil unit). Models with no control will have a 2 year warranty.SIL-TR-6 (to fit both thermal wheel and run around coil unit). For further details contact Nuaire. Note: Thermal wheels have specific maintenance requirements, contact Nuaire for details.Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 139
XBOXER CUSTOM MADE AHU SOLUTIONS OPTIMISING AIR QUALITY AND ENERGY CONSUMPTION.140 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER CUSTOM MADE AHU’STECHNICAL INFORMATIONBENEFITSThe XBOXER custom-made solution is customised FLEXIBILITY ENERGY SOLUTIONSand covers functions for applications with special The possibility to combine single and double deck Nuaire also offers a number of world class solutionsdemands: energy efficiency, high performance and units has been increased in combinations and sizes for energy efficiency.fast commissioning are some of the qualities within this range. Installations with high demandsapplied on both ranges. might need one or a few functions outside the standard range.CUSTOMER DEFINEDCustomers now have the flexibility to combine The pre-configured and tailored solution ranges canmodules to build tailor-made AHUs up to 20m³/s. be combined to offer the best solution. The unit platform could be standardised, whereas a selectionSPECIAL DEMANDS of the functions are customised making XBOXERFor installations that demand functionality XBOXER the most flexible AHU range available.can always offer a solution. For instance, theinstallation might require a humidifier in order to PROJECT SPECIFIC CONTROLachieve a specific humidity level. The application AHUs are sent to site control free allowing them toenvironment might also require components in a be integrated with control systems supplied byspecific finish, XBOXER can meet this requirement. others. nuaire.co.uk 141
AIR HANDLING UNITS (AHU’S)XBOXER CUSTOM MADE AHU’STECHNICAL INFORMATIONCUSTOM-MADE SOLUTIONSTHE XBOXER RANGE PUTTING CUSTOM SOLUTIONS INTO CIRCULATION: THE MOST FLEXIBLE AHU RANGE ON THE MARKET TODAY The XBOXER range offers a solution for every conceivable application and environment, whether inside a plant room or on a roof. There are XBOXER solutions for applications in industrial premises and public buildings as well as domestic dwellings, schools, offices, leisure complexes and shops. The pre-configured range, covering the most common applications, is standardised enabling shorter delivery times. In addition to a pre-configured range, XBOXER also offers the complete flexibility of custom-made solutions. For even greater flexibility, it’s possible to add customised features to pre-configured units, making XBOXER the most flexible AHU range on the market today. Energy efficiency, high performance, easy to commission and low noise levels are some of the features common to both ranges. XBOXER CUSTOM-MADE The range provides the capability to combine single and The XBOXER custom-made range offers highly-efficient double deck units in many different combinations and sizes. solutions purpose-built to meet the exacting demands of Installations with specialised demands might also require even the most specialised application. one or several functions that lie outside the standard range. In an instance such as this, the ranges can be combined to CUSTOMER-ADAPTED provide the optimum solution. For example, the unit For installations with more specialised needs, for example in platform can be a standard component with some of the terms of hygiene or material, XBOXER enables customer functions customized. adaptation of the air handling unit as a whole or of its constituent parts. Custom-made units offer a far wider range CUSTOMER-ADAPTED CONTROL of components than the “pre-configured” range leading to Customer-adapted control solutions are available for every significant advantages in terms of functionality and flexibility. conceivable application. SPECIALISED DEMANDS ENERGY SOLUTIONS For installations where functionality is the prime concern, Nuaire also offers a range of world class energy efficiency the solution will most frequently be found here, for solutions, such as constant pressure, which can be example if the installation requires a humidifier to achieve incorporated into its AHU ventilation systems. a specific humidity level. Alternatively, the environment the application is designed for might require components in a specific material, such as casing in stainless steel.142 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER CUSTOM MADE AHU’STECHNICAL INFORMATIONVENTILATION FOR SCHOOLS NUAIRE – PROVIDING CLEAN AIR SOLUTIONS FOR UK SCHOOLS Building on its reputation of delivering a varied range of quality, innovative ventilation systems, Nuaire products have been specified for a wide variety of schools projects across the UK. As the market leader in the design and manufacture of commercial and domestic energy efficient ventilation systems, Nuaire now offers a wide selection of products that have been specifically designed for schools and are suitable for a variety of applications throughout. Whether an existing educational establishment is being “Compared to most other types of building, schools are refurbished or a brand new school is being built, the extreme environments as they have high and sporadic importance of creating a fresh, healthy and comfortable occupancy levels. For example, due to the irregular learning environment for the teachers and pupils cannot occupancy of areas such as classrooms, we have be underestimated. The quality of the air inside the incorporated Ecosmart controls into the XBOXER unit school plays a key role in creating such an environment which automatically adjust the systems to allow varying and so specifying the correct ventilation systems for fan speeds, matching the output of the systems to the school buildings is critical. demand, to minimise energy usage. Also, controls can be linked to business management systems, providing on- The demanding specification requirements expected for demand ventilation, minimising carbon emissions and the new wave of classrooms has resulted in Nuaire also prolonging the life of the equipment.” adapting one of its existing specialist schools systems into a brand new product, the XBOXER 55. This unit had to Nuaire, which manufactures all its products out of its provide increased levels of ventilation with a reduction in South Wales base and was the first UK ventilation depth, whilst maintaining low noise levels. Nuaire worked company to achieve the Carbon Trust Standard, boasts closely with consultants and clients on a number of school its own in-house Applications Engineering team which projects in order to produce a unit that met their works in close partnership with its clients to ensure the requirements, and conducted exhaustive tests both on an best possible solution for their project. actual school site and at Nuaire’s renowned test laboratory. The company has even built a 30-seat mock classroom As AHU Sales Manager, Stuart Freeman, explains “Issues at its UK headquarters. concerning indoor air quality within schools are becoming increasingly important,” he said. “As well as constructing Designed to display and test its range of innovative school buildings that are environmentally sustainable, school ventilation systems, the classroom is the only one energy efficient and aesthetically pleasing, local education of its kind among UK ventilation manufacturers and is to authorities are also looking to create fresh, healthy and be used as a testing and demonstration facility for comfortable learning environments for their pupils, and customers who wish to test Nuaire’s products. our systems have been designed to do just that.” For more information on Nuaire’s range of school ventilation products, visit www.nuaire.co.uk/schools or to arrange a visit to the facility contact [email protected] specification from www.nuaire.co.uk/specifications nuaire.co.uk 143
AIR HANDLING UNITS (AHU’S)XBOXER CUSTOM MADE AHU’STECHNICAL INFORMATIONTYPICAL AIR HANDLING UNITKEY FEATURES AND BENEFITS GREAT HARDWARE, GREAT SOFTWARE It’s not just Nuaire’s hardware that sets it apart from its competitors. The software we use is tailor-made to facilitate the specification, design and build of the units through creating detailed drawings and technical specifications within a very short time frame. AIR HANDLING SYSTEM DESIGN EXPERIENCE THAT IMPROVES THE CUSTOMER EXPERIENCEVariable and optimised adjustment Optional EC motors - (EC) At Nuaire, our wealth of design experience is harnessed to deliver uniquefor all system-specific applications: Electronically commutated motors design features that will significantly enhance the customer experience: are brushless DC motors. They can Very latest production technology be speed controlled with a 0-10V Maximum corrosion protection by galvanised and optional powder-coated delivering highest product quality input, removing the need for casing panels Unit design optimised for lowest additional speed control devices. 50mm construction providing high standards of heat and noise insulation possible energy consumption This combined with lower running Building material class A1 mineral wool heat and noise insulation Design and calculations supported temperatures and brushless Thermal transmittance minimised by optimised casing covers by the most advanced selection commutation results in longer Unit construction can be dismantled into component sections program and software available motor life of up 70,000 hours Class B leakage classification (L/10) and higher efficienciesEfficiency and economy: Optional IE2 motors. IE2 motors are ideal for By optimising air flow through applications where the ventilation AHU components thereby equipment is expected to run reducing energy consumption and continuously or for long periods of minimises internal pressure loss time. The higher efficiencies result XBOXER uses all conventional in greater savings over the life of heat recovery systems: Thermal the motor and an overall wheel, run around coil and high reduction in C02 emissions during efficiency plate heat exchanger operation The quality of the units is due to a combination of in-house technical expertise, high quality production facilities and an experienced workforce dedicated to delivering a quality product. With the emphasis on quality and efficiency, a wide range of both single and modular section construction units are available. These units can be supplied with any combination of standard components including filtration, heating, cooling and heat recovery.144 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER CUSTOM MADE AHU’STECHNICAL INFORMATIONTYPICAL AIR HANDLING UNITKEY FEATURES AND BENEFITS NEW UNIT, NEW STANDARDS Nuaire’s flexible air handling unit range. The casing and energy-efficient components make the range uniquely cost-effective, while the fact that units can be manufactured up to 50mm panel construction makes them extremely flexible. QUALITY FEATURES: ALL THE INS AND OUTS OPTIONAL NON-PENETRATINGAt Nuaire, quality is the key component of all our products, MOUNTING SYSTEMwhatever the application: Suitable for all installations, internally and externally A choice of materials A choice of heat recovery options (including plate HX, thermal wheel and run-around coil)Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 145
AIR HANDLING UNITS (AHU’S)XBOXER CUSTOM MADE AHU’STECHNICAL INFORMATIONPRODUCT SPECIFICATIONUNIT SIZE AIRFLOW m3/s 0 5 10 15 20 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 UNIT CHARACTERISTICS COIL CHARACTERISTICS FILTER CHARACTERISTICSMODEL NUMBER 25mm 50mm AIRFLOW (m3/s) AIRFLOW (m3/s) AIRFLOW (m3/s) AIRFLOW (m3/s) CONSTRUCTION CONSTRUCTION BASED ON 2.5m/s BASED ON 3m/s BASED ON 3.5m/s BASED ON 3m/s THROUGH COIL THROUGH FILTERS THROUGH COIL THROUGH COILCONSTRUCTION WIDTH HEIGHT WIDTH HEIGHT 25mm 50mm 25mm 50mm 25mm 50mm 25mm 50mm 0.83 0.93 0.96 0.80 0.83NA-01-*-080/080 755 775 805 825 0.66 0.69 0.80 1.32 1.49 1.54 1.28 1.32 1.30 1.47 1.51 1.26 1.30NA-02-*-090/080 1060 775 1110 825 1.06 1.10 1.28 1.80 2.04 2.10 1.75 1.80 2.29 2.60 2.67 2.23 2.29NA-03-*-090/090 755 1080 805 1130 1.05 1.08 1.26 2.82 3.22 3.29 2.76 2.82 3.83 4.39 4.47 3.76 3.83NA-04-*-100/080 1360 775 1410 825 1.46 1.50 1.75 4.35 4.98 5.07 4.27 4.35 5.90 6.78 6.88 5.81 5.90NA-05-*-100/090 1665 775 1715 825 1.86 1.91 2.23 6.94 7.99 8.10 6.85 6.94 7.48 8.61 8.72 7.38 7.48NA-06-*-120/080 1360 1080 1410 1130 2.30 2.35 2.76 9.03 8.93 9.03 10.41 10.54 10.63NA-07-*-100/100 1360 1380 1410 1430 3.14 3.19 3.76 10.63 12.27 12.40 10.51 10.61 10.61 12.25 12.38 10.50 12.20NA-08-*-130/080 1965 1080 2015 1130 3.56 3.62 4.27 12.20 14.09 14.23 12.08 13.79 13.79 15.94 16.09 13.66 14.33NA-09-*-130/100 1965 1380 2015 1430 4.84 4.92 5.81 14.33 16.56 16.72 14.20 16.43 16.43 19.00 19.16 16.29 18.58NA-10-*-160/080 2270 1380 2320 1430 5.71 5.79 6.85 18.58 21.50 21.67 18.43 18.56 18.56 21.48 21.65 18.41 20.99NA-11-*-130/130 1965 1685 2015 1735 6.15 6.23 7.38 20.99 24.30 24.49 20.83NA-12-*-160/100 1965 1985 2015 2035 7.44 7.53 8.93NA-13-*-180/090 2270 1985 2320 2035 8.76 8.86 10.51NA-14-*-190/100 1965 2290 2015 2340 8.75 8.84 10.50NA-15-*-160/130 2570 1985 2620 2035 10.06 10.16 12.08NA-16-*-160/160 2875 1985 2925 2035 11.39 11.50 13.66NA-17-*-220/130 2570 2290 2620 2340 11.83 11.94 14.20NA-18-*-220/160 2570 2590 2620 2640 13.57 13.69 16.29NA-19-*-250/160 2875 2590 2925 2640 15.36 15.48 18.43NA-20-*-250/190 2570 2895 2620 2945 15.34 15.47 18.41NA-21-*-250/250 2875 2895 2925 2945 17.36 17.49 20.83* = FOR 25MM CONSTRUCTION INSERT 30/25 * = FOR 50MM CONSTRUCTION INSERT 50/45 EXAMPLE NA-15-50/45-160/130 146 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER CUSTOM MADE AHU’STECHNICAL INFORMATIONPRODUCT SPECIFICATIONThis graph is to be used as a guide only – Nuaire will be happy to size your unit for you based on yourprojects individual requirements. This graph should be read in conjunction with either of the tables below.Coils 2.5m/s face velocity Coils 3.5m/s face velocity Generally when cooling is required in the AHU No cooling is required and only LPHW coils are Little or no condensate is expected and no being used eliminators are going to be used Low grade filtration is being used - typically G3 or less Results in lower SFPs Results in higher SFPsCoils 3m/s face velocity Filters 3m/s face velocity Generally when cooling is required in the AHU G4 or higher filters should be limited to 3m/s face Little or no condensate is expected, or eliminators velocity to ensure good particulate capture will be fitted to the coil to catch airborne condensate dropletsAIR HANDLING UNIT \"FOOTPRINT\" INDICATORBelow is a table of typical components and their lengths that can be used to be doubled (a minimum of 100mm to be added to allow for the baseframe).build up your AHU and provide you with an indicative footprint for you The length of the unit is finalised by arranging the relevant components into theplantroom/plant space requirements. desired format and the lengths totalled. (See typical example below).Having established your required air volume identify the corresponding module Please note that the system pressure should be kept to below 500Pa, however tosize on the facing page. (Please take care when identifying the air velocity maintain low Specific Fan Power's we recommend that the system pressure dropthrough the unit and that the correct velocity is used for the components making is designed to be below 300Pa. The above dimensions are indicative weup your system). This provides the cross sectional area of the unit i.e. width and recommend that before finalising you plant space requirements you contactheight. Please note that if a double deck unit is required then the height should Nuaire to verify the selection parameters.DAMPER PANEL FILTER SW BAG FILTER SW MIXING BOX FROST COIL ACCESS/ SPACER THERMAL WHEEL PLATE HX RUN- AROUND COIL HEATING COIL COOLING COIL IN-DIRECT GAS HEATER PLUG FAN (DIRECT DRIVE) BELT DRIVE FAN HUMIDIFIER SILENCER DAMPER200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200200 350 600 600 350 600 900 2000 600 600 600 1200 950 1200 1500 900 200Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 147
AIR HANDLING UNITS (AHU’S)XBOXER CUSTOM MADE AHU’STECHNICAL INFORMATIONPRODUCT SPECIFICATION GENERAL SPECIFICATION Filter panels are held in rigid galvanised steel holding frames The Nuaire range of Air Handling Units are designed to meet complete with seals to prevent leakage. Magnahelic gauges can be all the ventilation requirements for commercial and industrial provided if required. Each filter section will be provided with a full buildings meeting with current standards for construction access section to allow ease of filter replacement. and operation. HEAT RECOVERY BASE FRAME CONSTRUCTION All types of heat recovery options can be incorporated into the The base frame is constructed from hot dip galvanised steel air handling unit and generally comprise the following: section with longitudinal and cross members, the base frame Thermal Wheel Exchangers have a rotating wheel that will incorporates lifting points. recover both sensible and latent heat with efficiencies up to 85%. Plate Heat Exchangers Cross flow type heat recovery will provide MATERIALS up to 70% efficiency. Summer bypass facilities are available. The frame is a pentapost rigid closed section aluminium alloy.The Run Around Coils Waste heat recovery is available with liquid panels have perimeter inner seals with the unit panels seals coupled run around coils, the construction is to the same seating onto the pentapost section ensuring that there is no air specification as the heating coils, a water/glycol medium is leakage into the AHU. All modules, panels and sections with the pumped through the coupled coil circuit to provide up to 65% AHU are manufactured to air leakage classification 2A.The closed heat recovery. section framework provides air gap insulation within the cavity. The pump set to be provided by others. The unit panels are nominal 25mm or 50mm double skin insulated panels.The panel insulation is high density mineral wool COIL TYPES slab which provides good thermal or acoustic properties. Special Nuaire provide coils for all types of heating and cooling finishes can be incorporated to meet specific requirements. applications: The coils are constructed from a rigid galvanised framework EXTERNAL AIR HANDLING UNITS section with a copper header that the finned, coil tubes are brazed Full weatherproof facilities are available for externally mounted to. Each has flow and return screwed or flanged connections. Coils units. The units have a rigid weatherproof roof complete with are fabricated from copper tube with aluminium collars with fins gutter profile allowing clear drainage with all sections fully sealed spaced at pitches set to meet specific design performance to prevent the ingress of water through any panels. requirements, providing excellent heat transfer characteristics. Special materials and finishes can be provided such as copper fins INLET SECTIONS and electro tinning to meet particular specification requirements. All units can be provided with grilles or louvres to suit the All pipe and drain connections are fitted with flexible bushes to application.This can be in the form of a weatherproof louvre, inlet ensure an airtight seal and good vibration isolation. grille or bird/insect mesh. Dampers will be opposed blade multi All coils are fitted with an air vent and drain plug as standard. leaf type manufactured in silver anodised aluminium extruded section with low pressure drop characteristics when open. HEATING TYPES Opposed or parallel blade dampers will have an interlocking gear Nuaire can provide the following heating mediums: drive on each blade. Damper blades can be provided in steel with Hot water coils are available for low, medium and high pressure special paint finishes or stainless steel in accordance with hot water and steam applications and are manufactured as particular specification requirements. Sealing edge strips are described in coil types above. provided for low air leakage operation.The mixing box will have a single compartment for re circulation and fresh air mode of Electric The electric heater elements are designed for black heat operation and a twin compartment for recirculation, exhaust and operation with 80/20 nickel chrome resistance wire centred in a fresh air. protected metal tube packed with magnesium oxide.The element tubes are copper coated mild steel tubular or finned to meet the FILTRATION particular application.The units are complete with safety cut outs The filter section will incorporate bag and/or panel filters suitable with manual reset. The control system operation is from remote for front or side withdrawal.The panel type filters will be disposable thermostat or step control with pre wired switching and overheat or washable in accordance with specification requirements. protection.Thyristor/SCR control can be provided.148 029 2085 8200
AIR HANDLING UNITS (AHU’S)XBOXER CUSTOM MADE AHU’STECHNICAL INFORMATIONPRODUCT SPECIFICATIONIndirect Gas and Oil Indirect fired heat modules are suitable for Thermistor protection can be provided and shall be set to operatenatural gas, LPG or oil. Gas-fired modules are CE marked and at not more than 120ºC and shall comply with BS 4999: part 72.comply with all relevant standards. A heavy gauge, high quality The fan motor drive will be a pulley belt drive with taper lockstainless steel (316 grade) combustion chamber / heat exchanger pulleys used on motor ratings up to and including 30kW. Drivesis available. Heater efficiencies will be in excess of 85% across the above 30kW shall have key secured pulleys. A minimum of twooutput range, condensing heater modules are also available to belts shall be used on each drive and shall be endless V beltsprovide higher combustion efficiencies. For large output units, up manufactured in accordance with BS 3790 utilising `A, `B` orto 890kW, a forced draught burner is supplied, installed with all `C` sections.controls to meet the particular specification requirements. PLUG CENTRIFUGAL FANHeaters are provided with full safety controls including gas Direct drive axial-centrifugal fans providing maximum performancepressure proving, flame detection, airflow proving and high with optimum efficiency.The fans are single-entry air intake withtemperature cut-out. Burner control can be provided as on/off, backward-curved blades.The impeller directly coupled to the motorhigh/low/off or modulating as appropriate. shaft providing a space saving solution for simplifying installation and maintenance. Complete fan and motor assembly is supported COOLING by compressed anti-vibration mounting system.A choice of chilled water or direct expansion heat exchangers areavailable and are manufactured as described in coil types on page Wiring All AHUs be supplied non-wired. This maintains the00 with the exception that the DX Coils have interlaced tubes integrity of the air handling unit as cable entries and connectionsstaggered in the direction of airflow. can be properly protected and sealed. A full range of control accessories including damper actuators, pressure switches, valves, FANS transmitters and signal conditioners can be fitted.This section incorporates a fan and motor assembly to meet thespecific air volume and pressure requirements for the application. ACCESSORIESA comprehensive range of fan types are available including Attenuation Sound absorbent elements are arranged within thecentrifugal forward and backward curved fans, plug type, axial or unit casing providing a series of vertical splitters to suit themixed flow type fans. Special fan finishes can be incorporated to acoustic requirements.The splitter frames contain a faced fibrousmeet the particular specification and application requirements. infill that is non shredding, non combustible with a class 1 rating, non-hygroscopic and chemically inert. Perforated and melanexThe fan and motor assembly is mounted onto an independent facings can be provided on request.sub frame with anti vibration mount isolation from the main unitframe and a flexible connection on the fan discharge preventing Steam Humidification The steam humidifier has injection tubesnoise and vibration transmission. If direct drive fans are installed with a steam jacket and condensate separator providing efficientthen anti vibration mounts would only be fitted as required operation and maintenance. The system provides clean steriledependant upon the fan selection and application. humidification without wetting and corrosion.Motors will be cage rotor type with an aluminium or steel frameconstruction and will comply with current British and Europeanstandards. Motor sizes up to and including 5.5 kW shall be suitablefor D.O.L starting, above 7.5 kW motors shall be suitable for Star-Delta starting.Various methods of speed control are available asan option. Motors shall have Class `F` insulation to BS 2757 andshall be provided as standard with an IP54,TEFV enclosure.Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 149
BOXER MODULAR SUPPLY SYSTEMS MODULAR COMPONENTS WHICH CAN BE ARRANGED IN COMBINATION TO SUPPLY FRESH AIR, RECIRCULATED AIR OR A MIXTURE OF BOTH WITHIN A BUILDING.150 029 2085 8200
AIR HANDLING UNITS (AHU’S)BOXER MODULAR SUPPLYTECHNICAL INFORMATIONBENEFITSNuaire Modular Supply Equipment is a range of AIR HEATED OR FILTERED Roof terminalcomponents in modular form, which can be Heaters can be electric, hot water or steam types. (GRP type)arranged in combination to supply fresh air, Recirculation modules can be operated directly, byrecirculated air or a mixture of both within a cord, electrically or pneumatically. Wall terminalbuilding. The air can be heated or unheated,filtered or unfiltered as required. COMPATIBLE ROOF TERMINALS Roof terminals can be filtered or unfiltered.CHOICE OF MODULES Filter packs may be of a washable or disposableModules are mainly of aluminium alloy and type. This also applies to those fitted into filterexternally flanged for connection together. modules.VERTICAL OR HORIZONTAL HIGH PERFORMANCEARRANGEMENTS High performance mixed flow impeller.The units can be arranged vertically or horizontallyand include include mixed flow fans, heaters, filters, WARRANTYsilencers, discharge heads, inlet bend, extensions BOXER Modular Supply systems have aand recirculation sections. 00 year warranty.COMPATIBLE ANCILLARIES Code descriptionsLouvred wall terminals, prefabricated curbs andsoaker sheets are available. BM 6 - F W | | || 1 2 34 1. = BOXER Module 2. = Size 650 sq 3. = Filter module 4. = WashableINSTALLATION OPTIONS: TYPICAL ROOF TERMINAL INSTALLATION:Aluminium Low Profile Terminal GRP Low Profile Terminal. Inlet section securing screws Terminal(available with filters). located into curb capping mounting Terminal skirt Roof Terminal Prefabricated skirt fixing Curb screws Bend ModuleAngular Modular Supply system. Straight Modular Supply system with Typical assembly of a low profile roof terminal. high velocity discharge. nuaire.co.uk 151
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