Air Handlings Units Catalogue

AIR HANDLING UNITS CATALOGUEFOR THE COMPLETE VENTILATION SOLUTION Uniclass EPIC CI/SfB (57.6)

OUR COMPANY 4 17INTRODUCTION 30 • NUAIRE’S PEDIGREE • PROVEN TRACK RECORD • INNOVATION • OPTIONAL ON-SITE SERVICES • ECOSMART CONTROLSSPECIFICATION • A GUIDE TO COMMERCIAL BUILDING SERVICES LEGISLATION • INSTALLATION GUIDELINES • USEFUL INFORMATIONPRODUCT GUIDE • COMPLETE SOLUTION FOR VENTILATION • INDEX OF PRODUCTS2 029 2085 8200

OUR PRODUCTS PAGE 34SECTION 40 • OPUSXBOX 56 • XBOXER HEAT EXCHANGE 64 • XBOXER 55 90 • XBOXER HEAT EXCHANGE TWIN FANS 94 • ECOSMART SQURBO • ECOSMART BOXER 112 • UNDERBENCH CLASSROOM UNIT 114 • XBOXER THERMAL WHEEL 120 • XBOXER RUN AROUND COIL 140 • XBOXER CUSTOM AIR HANDLING UNITS 150 • BOXER MODULAR SUPPLY nuaire.co.uk 3

OVERVIEW OF NUAIRE’SHISTORY AND PEDIGREE NUAIRE. THE AIR OF TRUE INNOVATORS Nuaire is a world leader in the innovation, development and manufacture of fans and ventilation systems. Despite its name, the company isn’t new. In fact, Nuaire’s innovative approach has its origins in the 1930s, while its tradition of excellence in ventilation goes back to 1963. Since then, the Nuaire name has been at the forefront of innovation in the industry, so much so that today the company is recognised worldwide for its expertise, commitment to innovation and the outstanding quality of its products and customer service. SETTING NEW STANDARDS There’s more to Nuaire than technological innovations. Nuaire’s people make these innovations possible. The company has over 400 committed and talented staff at its UK headquarters and its French subsidiary, with technical sales engineers in every major city in Britain, as well as dedicated partners across the globe. Nuaire’s staff include industry-leading experts who are constantly setting new standards by developing innovative products at the company’s research and development unit, the largest and most advanced in the UK. The passion of our people and their commitment to excellence has produced a large, loyal and growing customer base. Professional bodies have also recognised the company’s landmark achievements with numerous industry awards.A SMARTER, MORE FRESH APPROACH CUSTOM DESIGN COMMITMENTECO-FRIENDLY APPROACH TO QUALITYTO VENTILATIONResearch tells us that over 80% of Like the fresh, clean environments its The latest manufacturing technology At Nuaire, quality control and athe life cycle cost of a ventilation products create, Nuaire’s fresh and accredited test facilities enable commitment to constantsystem comes from energy usage. As approach to ventilation has brought us to take a flexible approach to the improvement are ingrained inthe leading energy-saving ventilation its own rewards. Business is growing, design and build of the right fan everything we do. We were not onlycontrols technology system on the with innovative new products being solution. More importantly we the first fan manufacturer to achievemarket today, Ecosmart uses less developed all the time, setting new consider the interface with the the quality standard ISO9001 butelectricity and operates only when standards in energy efficiency and client’s equipment and processes, we are also currently approved toneeded, dramatically reducing reduced carbon emissions. which can usually lead to a BS EN ISO 9000:2000, the veryenergy costs year on year and over reduction in assembly costs. latest quality standard.the system’s natural life.4 029 2085 8200

PROVEN TRACK RECORDCOMPLETE SOLUTIONS INTERFACING WITH THE CUSTOMER’S EQUIPMENT, INTERFACING WITH THE CUSTOMER At Nuaire, we pride ourselves on working closely with our customer at every stage of the development process, while the latest manufacturing technology and accredited test facilities enable us to offer a flexible approach to the design and build of the right fan solution. We don’t believe in focussing solely on the ventilation system. A key aspect of Nuaire’s approach consists of the way we interface with our customer’s equipment and manufacturing process leading, in the majority of cases, to a significant reduction in assembly costs. With this approach we achieve great results and the satisfaction of our customers. The following examples demonstrate not just how we approach things but some of the results we achieve. 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, shops and hospitals. CASE STUDIES MANCHESTER SCHOOLS SWISS RE, LONDON HOLIDAY INN, BIRMINGHAMVentilation: XBOXER heat recovery Ventilation: Ecosmart Boxer INTERNATIONAL AIRPORTXBOXER 55 high efficiency plate The iconic Swiss Re was designed to provide an energy efficient alternative to Ventilation: XBOXER thermal wheelheat exchangers were installed below other office buildings. The steel and glass design maximises daylight penetration The 141 room hotel at Birminghamclassroom ceilings to provide and minimises the requirement for artificial light. Light level and movement Airport recently underwent a multi-enhanced air quality and improve sensors prevent unnecessary lighting helping to reduce energy consumption and million pound refurbishmentenergy efficiency within the school. cooling loads. Ecosmart Boxer provided the required high levels of ventilation programme. Nuaire’s XBOXERThe units required a high quality whilst being one of the most energy efficient AHUs on the market. thermal wheel size T6 was installedpaint finish, low depth, high on the roof top. The inclusion of theperformance with tested & approved unit in the hotel’s mechanical designnoise levels to meet client and not only provides year round savingsrelevant regulations. in heating and cooling costs, it also helps to increase the indoor air quality. nuaire.co.uk 5

MORE THANJUST FANS INNOVATION IN THE AIR Nuaire has built a loyal customer base over the years and not just because of the quality of its fans.The fact is, the company also has a long and successful history in heat recovery and has been developing and manufacturing AHUs for many years. In order to ensure quality control and optimum energy conservation, the company manufactures the majority of the components itself. Contemporary AHUs are called upon to meet all conceivable air handling requirements and standards throughout Europe. Every AHU in the Nuaire range meets the requirements laid down by the classification in the CEN standard and is manufactured in a factory that has been certified for its quality control (ISO 9001) and environmental policy (ISO 14001).PUTTING OUR QUALITIES TO THE TESTThe company's rigorous product testing regime is unrivalled in the industry, No two AHUs are the same whether you need to satisfy the most budgetwhich is hardly surprising given multi-million pound test facilities considered to demanding contract or the most sophisticated, energy conscious, bespokebe amongst the most modern and comprehensive in the world. It’s all designed project the XBOXER range can fulfil your requirements. Nuaire’s experiencedto ensure that our customers benefit from the best ventilation solutions on the team can provide technical information and support for any project thatmarket today. The facilities have been designed to meet the latest industry requires an AHU.standards and carry the appropriate approvals including those from the BritishStandards Institute and the Air Movement and Controls Association. The team utilise the latest parametric quoting software and can provide quick and accurate estimates. The software also reduces time duringThe two reverberant chambers at the facility (Type D and Type A configurations) specification changes.test for both aerodynamic and acoustic performance, allowing Nuaire to self-certify products, including those for the French market, as well as ensuring that The team comprise of specialist engineers, project managers and technicalproducts meet the high standards consistent with Nuaire’s reputation. estimators all highly trained to ensure that your AHU project runs as smoothly as possible from enquiry through to installation.6 029 2085 8200

ECOSMARTENERGY SAVINGCONTROLS Nuaire’s Ecosmart energy saving ventilation control is the most flexible system on the market with full BMS interface. All controls are pre- assembled, configured and installed directly into the fan or air handling unit, this includes 3-port motorised valves and actuators, pipework, off coil thermostats and sensors, frost protection, etc. Site time is kept to a minimum, and quality and efficiency is maintained.Ecosmart plug-in system and SIMPLE, PRECISE COMMISSIONING DEMAND VENTILATIONcontrol example. As recommended in Part L, Ecosmart enables the system Only ventilates the area when you want it to - why fully to be accurately commissioned via an integrated speed ventilate a room when it’s not occupied - maximum control, minimum and maximum speeds easily adjusted savings possible achieved. via commissioning panel integral to the control. HEALTHY ATMOSPHERE QUIETER SYSTEMS Ecosmart has a trickle function as standard which when With Ecosmart your system is only at maximum design activated, via a simple switch, enables you to set a duty when absolutely necessary. The noise levels within background ventilation rate, keeping the rooms fresh when your systems are lower because the fans or air handling unoccupied, whilst still saving energy. System will boost or units are rarely at full speed. ramp to maximum design duty when triggered by an Ecosmart or other external device. IMPROVED LIFECYCLE Ecosmart has a 5 year warranty. Ecosmart enables the fan or air handling unit to be run at lower speeds. This reduces the maximum load and wear OTHER CONTROL OPTIONS AVAILABLE and therefore increases the overall working life of the units. Refer to Commercial catalogue.Touch screen user control. ES-PIR2 sensor. ES-CO2 RM sensor. 8 029 2085 8200

ECOSMART INCLUDES A WIDE RANGE OF OPTIONSSimple SELV wired, plug-in ‘enablers’ start and stop the fan, when activated Once the fan is activated the sensor takes over. They will maintain comfort/from either start-up or trickle ventilation mode. These ‘enablers’ include time design conditions by automatically adjusting fan speed up and down and powerclocks, infra-red detectors, switch live contacts, humidistats, thermostats and or flows through elements or heating/cooling coils. The sensors includeBMS contacts. temperature, relative humidity, CO2 or as determined by the BMS.All systems must include at least one enabler. (NB.When used, BMS control and Stylish and simple to operate user control facilitates manual operation wheretime clocks take over all other enablers). Integrated speed control (inverter or desired.electronic) is included with all Ecosmart controlled fans and air handlers. ES-ISCare external to some fans and need to be hard wired e.g. SQF, Airmover. BMS 0-10V dc signal to activate the system and modulate fan speed. Select/Deselect H&C. Note: this will override any other devices (eg. ES-UCF) fitted (except in Constant Pressure fans).ECOSMART ENABLERS & DETECTORS ECOSMART SPEED CONTROLLING SENSORS ES-PIR2 (Passive Infra-Red) ES-TEMP2 Temperature Sensor Detects movement and activates system. Modulate fan speed based on room temperature. Incorporates a system status LED, overrun timer Incorporates two system status LEDs (Green = OK, and timer adjustment. Red = Failure) and temperature set point level adjustment.Simple Plug-in ES-LCD ES-RH2 Relative Humidity SensorSystem Touch screen user control in white incorporating Modulate fan speed based on RH level. Incorporates time clock facility. This can control the function of two system status LEDs (Green = OK, Red = Failure) the fan by manual setting or using a set of timed and RH set point level adjustment. programs.Simple low voltage ES-LCDM ES-UCF Manual user controlsensors completewith pre-plugged Touch screen user control in metal incorporating Manual ‘on’ and ‘off’ system user/speed control.cable means that time clock facility. This can control the function of Incorporates two system status LEDsany control function the fan by manual setting or using a set of timed (Green = OK, Red = Failure).is easily achieved. programs.You decide which ES-CI Semi-automatic user controlconditions to ES-HUMIDISTAT2monitor and the Fan, heating & cooling selected by external voltsystem will operate Activates the system when the RH level is above free switch, speed selected by 0-10V signal.at the optimum set point. Incorporates two system status LEDsspeed. (Green = OK, Red = Failure) and RH set point level ES-JB Junction box adjustment. Designed to be compatible with Ecosmart System ES-THERMOSTAT2 this unit is supplied with a pre-plugged 10 metre length of communications cable and has 8 further Activates the system when the temperature is ports. above set point. Incorporates two system status LEDs (Green = OK, Red = Failure) and temperature set point level adjustment. ES-AVI2 ES-CO2 Sensor When fan failure occurs the AVI will flash a Duct mounted sensor to modulate fan speed based warning. Supplied with pre-plugged 10m length of on CO2 levels. Connect to fan directly. Pre-wired communication cable. with 2m cable (not adjustable). ES-CO2RM & ES-CO2RMPP Switched Live by others Surface mounted room carbon dioxide (CO2) Any mains voltage signal connected to the switched sensors which incorporate a temperature sensor. live terminal (S/L) in the unit. This affects the RM = SELV option, RMPP is complete with SELV ac connected fan only. power supply. ES-HTCSIG Signal conditioning circuit for humidity, temperature and CO2 sensors. nuaire.co.uk 9

ECOSMART, BMS AND COMMISSIONING CONTROL OPTIONS The Ecosmart control module has the following two options fitted as standard.Nuaire fans and Air Handling Units can be provided with the following pre-selected control options, simply and easily by adding letters to the end of the BMS interfacesfan code, there is no need to select or specify the controls individually if one The Ecosmart control module can be pre-configured to provide the followingof these options are chosen : integrated BMS interfaces.ES Ecosmart controls • 0 - 10 volt input to provide a full BMS interface.The compact Ecosmart control module comes complete with a factory fitted This will enable the following functions:-Ecosmart PCB which will control the fan unit within the desired design Switch the unit ON/OFF.parameters and provide the interface between all external control devices Switch heating or cooling ON/OFF (AHUs with relevant coils).detailed on these pages. Switch from low speed to high speed - variable.The Ecosmart control module has the following energy saving components Switch from low speed to high speed - trickle and boost principle.integrally mounted, pre-wired to interface with the purpose made PCB, all Full speed control facility.components pre-wired, configured and factory fitted by the manufacturer:(Not pre-wired to eg. SQF, Airmover). • 2 No.Volt free contacts to provide fan run and failure indication to provide• Integral Frequency inverter/speed controller. system status.• Integral maximum and minimum speed adjustment for commissioning.• Integral adjustable run on timer. • An integrated commissioning/speed control to accurately commission the• Integral BMS interfaces - 0- 10V speed adjustment. system, with minimum and maximum speeds easily adjusted via a miniature• Integral BMS interfaces - Volt free failure and status indication. dial, as recommended in Part L. This will enable the unit to be configured to run• Integral background ventilation switch (trickle switch). between set parameters thus saving motor power and limiting noise.• Multiple IDC sockets for interconnection of sensors or fans using pre-plugged 4-core low voltage cable. • Pre-programmed with soft start function.• Pre-programmed with soft start function. COMMISSIONING SET UP Ecosmart Control Device The Ecosmart control module can be pre-configured to provide the following N integrated commissioning features only. • Integrated commissioning/speed control to accurately commission the system, 240V 1 ph 50Hz *Sensor as recommended in Part L, This will enable the unit to be configured to runSwitch live signal 100-230V L Link wire NET between set parameters thus saving motor power and limiting noise. Damper Open 230V 1A SL Fan 2 Fan 1 0V • Minimum and max speeds easily adjusted via miniature dial. Close 230V 1A OP The commissioning set up facility directly controls the integrated speed Neutral 0-10V control/frequency inverter. Return 230V signal • Pre-programmed with soft start function. CL F4 Contacts Volt Free N F3 ENABLING SENSOR Run & Fail ES-PIR2 Sensor RET The sensor operates with Safe Extra Low Voltage (SELV) with power supplied from the fan unit via the communications cable. The ES-PIR sensor will activate Run the system when movement is detected. An adjustable 1-60 minute timer is incorporated to provide a run on facility. Up to 10m directly in front of lens and Run up to 2m at 40º to the lens axis. When adjustments are made to the sensor, the LED light on the sensor front will Fault flash on and off to show the set point. First, green flashes will indicate the set point in TENS, then red flashes will indicate UNITS. Fault For example 1 green flash and 5 red flashes show you that the PIR timer is set to fifteen minutes.0V = No BMS 0-10V BMS Signal0.25V = Off or Trickle ES-Thermostat20.5V = Speed 1 Important: The Fan will not control external The ES-Thermostat will enable the fan when the ambient temperature is 1ºC0.75V = Speed 1 & Cooling Heating/cooling equipment, will only provide above the set point and will stop the fan when the temperature is at or below1V = Speed 1 & Heating ON/OFF Signal set point. The sensor operates with Safe Extra Low Voltage (SELV) with powerHeat & cool signal via NET to ES-VF supplied from the fan unit via the communications cable. Adjusting the sensor set points. Adjustable temperature setting 10 - 35ºC.*Not included as standard. After adjustments are made to the sensor, the LED light on the sensor front will flash on and off to show the set point. First, green flashes will indicate the setSET UP/COMMISSIONING BOX point in TENS, then red flashes will indicate UNITS. For example 2 green flashes and 3 red flashes show a temperature set point of 23ºC. LED indicatorsMIN = Minimum speed Min Max SL run on Pwr adjustment Test Standby 01 Fan 1MAX = Maximum speed Trickle Fan 2 adjustment Heating CoolingSL Run on = Switched Live Run-On Fault Timer adjustment Frost TxTRICKLE = Selects trickle running: Rx 0 = off, 1 = selectedTEST = Test button10 029 2085 8200

ES-Humidistat2 ES-CO2 Carbon Dioxide Sensor - OperationThe ES-Humidistat will enable the Ecosmart fan when the measured humidity The CO2 Sensor will adjust the fan speed in response to the CO2 concentrationlevel is 2% above the set point and will stop the fan when the humidity is at or in the airflow. The fan speed is divided into 10 steps from minimum (step 1) tobelow set point. The sensor operates with Safe Extra Low Voltage (SELV) with maximum (step 10). See table below for response details.power supplied from the fan unit via the communications cable. Adjusting the Speed 1 2 3 4 5 6 7 8 9 10sensor set points - Adjustable RH setting 65 - 85%. CO2 PPM 502 580 659 737 834 902 980 1059 1137 1215After adjustments are made to the sensor, the LED light on the sensor will flashindicating via a small aperture on the side of the sensor the set point. First, green ES-LCD and ES-LCDM (Time clock included)flashes will indicate the set point in TENS, then red flashes will indicate UNITS. The ES-LCD/M Time clock will switch theFor example 7 green flashes and 3 red flashes show a RH set point of 73%. system on and off at pre-determined times set by the user. This digital time clock willSPEED CONTROLLING DEVICES override the user control for effective on/offES-RH2 Humidity Sensor operation or any other enabling device eg.The ES-RH Sensor will vary the ventilation rate automatically according to the PIR. The time clock operates on Safe Extrameasured humidity.Voltage (SELV) with power supplied from the fan unit via Low Voltage and is powered from the fanthe communications cable. The sensor has an adjustable 65 - 85% RH set point. control module. The connection is made intoAfter adjustments are made to the sensor, the LED light on the sensor front will any ‘NET’ socket on the fans integral controlflash on and off to show the set point. First, green flashes will indicate the set module. See I&M for further details.point in TENS, then red flashes will indicate UNITS.For example 7 green flashes and 5 red flashes show a set point of 75% RH. ES-LCD and ES-LCDM includes:Note: fan speed = 0 (i.e. off) at or below the set point. Ventilation, Automatic Heating & Cooling Enable/Disable. Temperature is set at main control of unit.ES-TEMP2This will modulate fan speed based on room temperature. The sensor operates ES-CI (Ecosmart controlwith Safe Extra Low Voltage (SELV) with power supplied from the fan unit via interface)the communications cable.After adjustments are made to the sensor, the LED light on the sensor front will Enables any Ecosmart unit to be controlled via any remote non Ecosmartflash on and off to show the set point. First, green flashes will indicate the set switching device or item of plant.point in TENS, then red flashes will indicate UNITS.For example 2 green flashes and 3 red flashes show a temperature set point of23ºC.Note: fan speed = 0 (i.e. off) at or below the set point. STATUS PWR Connect to fan via 4-core data cable Fan Heat Cool OV O - IOV Min Select MaxSensor Response - Normal operation (Proportional band (B) Switch to selectover ten 10ºC steps) max or min speedWhen temperature RISES, the fans will increase speed. (See above) which showsa set point at 19ºC. For single phase fans, the speed steps are approximate and (A) O- IOV signal to selectactual running speeds will be dictated by the operating pressure of the system fan speed onlyand the type of impeller used in the blower. Fan is switched off at set pointunless the trickle switch is selected. Volt free contacts to select heating and cooling operations Volt free contact to switch on fan nuaire.co.uk 11

ES-CO2RM AND ES-CO2RMPP CO2 SENSORES-CO2 RM The lower and upper threshold values can be adjusted as shown in theCO2 and temperature sensor requires SELV power supply by others. following tables below and overleaf.ES-CO2 RMPPCO2 and temperature sensor supplied with SELV ac power supply. Max speedThe sensor will monitor the carbon dioxide (CO2) and temperature (see note 1)within the room. If either reading reaches the low threshold values (i.e. C1 & T1) 0.15Vsee opposite, then a signal will be sent to start running the fan at minimum speed. MinAs the room CO2 and temperature rises, the fan speed will progressively increase speedin steps until the upper threshold values are reached.When both CO2 andtemperature readings are in operation, whichever reading that results in higher Offfan speed will be used by the fan unit. See note 2The threshold values and other operations can be adjusted by setting DILswitches on the PCB to different positions. T1 or C1 CO2 T2 or C2 orNote 1: As supplied; the default operation of the sensor will be based on Adjustable Adjustablecarbon dioxide reading. If operation with both carbon dioxide and Lower Temperature Uppertemperature is desirable then change position of switch 7 to ‘ON’. signalNote 2: use switch 8 to change the off state (see table below). threshold thresholdTEMPERATURE THRESHOLD SWITCHES 1-9 Note: Default operation is CO2 only. To select temperature option as well please refer to I&M.Switch settings 3 2 1 Threshold temperatures T1 (ºC) T2 (ºC) Off Off Off 25 28 Off Off On 24 28 Off On Off 23 28 Off On On 22 28 On Off Off 25 30 On Off On 24 30 On On Off 23 30 On On On 22 3012 029 2085 8200

CONTROL CHECKLIST - WHAT’S INCLUDEDThe controls indicated in the checklist are incorporated in the units as standard,enabling you to co-ordinate your controls to avoid duplication and reduce costs.Please refer to this when checking the controls specification.www.nuaire.co.uk/specificationsFan Code Fan Type BMS compatible Commissioning control Run/Fail signal (volt free) Inverter control (3 phase) Speed control (single phase) Pre-piped coil (c/w DRV) Motorised control valve (c/w actuator) Air off Temp stat Frost protection Heat dissipation run on Plug in sensors (see overleaf) Trickle and Boost switch Automatic BypassEcosmart Boxer LPHW Air Handling l l lll l lll lEcosmart Boxer Electric Air Handling l l lll l ll lEcosmart Squrbo Supply Unit lll lll l lll lEcosmart Squrbo Extract Inline Single fan lll l llQuietscroll EST Twin Fan l l lll llConstant Pressure Twin/Single Fan l l ll llExtractor ESX Inline Single fan l l lll llEcosmart Airmover ESAM* Inline Single fan l l lll llEcosmart Squif* Inline Single fan** l l lll llEcosmart Twin Squif* Inline Twin fan** l l lll llEcosmart Axus* Inline Single fan l l lll llXBOXER Plate heat exchanger Heat Recovery l l lllll l lll llXBOXER Thermal wheel (size 4 to 6) Heat Recovery l l l l l **** **** l l l l l lXBOXER Thermal wheel (size 1 to 3) Heat Recovery l l lllll l lll llXBOXER Run around coil Heat Recovery l l lllll l lll llES-OPUS Inline/surface/recessed l l l l ll(Not compatible with ES-LCD)* ESAM, Squif, Twin Squif and Axus have a separate Ecosmart control pack that needs to be hard wired.** Motor out of airstream.*** Does not apply to 'NC' (no control) XBOXER units.**** Supplied by others.Ecosmart fans and Air Handling Units are pre-programmed and use simple plug and go control interfaces reducing the need for complicated controls.Ecosmart enables multiple fans to be interconnected & controlled by the same sensors.Fully BMS compatible using 0-10V interfaces and volt free contacts, simplifying all your control requirements.Ecosmart ES-OPUS. For units with heating/cooling coils provided with Ecosmart control. An enable signal needs to be provided for heating/cooling to operateie. ES-LCD, BMS O-10V and ES-CI.Note: For other control options refer to Commercial catalogue. nuaire.co.uk 13

NATURAL VENTILATION - SAVING MONEY COMES NATURALLYOUR NATURAL VENTILATION SOLUTION USES A COMBINATION OF NATURAL VENTILATION TECHNIQUES TO KEEP BUILDINGS SUPPLIED WITH FRESH CLEAN AIR 365 DAYS A YEAR WHILST REDUCING ENERGY COSTS.By employing upward displacement in the For further details visit www.nuaire.co.uk/e-stack Cold Hot Low Highsummer and a patented mixing mode solution Intelligent all-year-round ventilation.in the winter, e-stack uses natural ventilation to R-Series e-stacks: Designed specifically for rooms occupied by 10reduce CO2 levels and energy bills while helping to 35 people, ideal for classrooms and offices.to maintain a constant room temperature,enabling occupants to work more efficientlyand more healthily. .IN SUMMERNatural displacement ventilation can be utilisedallowing opening windows/louvres to provide makeup air for the natural stack effect through thee-stack unit. This can be boosted in very hightemperatures to purge the rooms and return thespace to a comfortable level. In night cooling modethe system allows cool air in through the e-stackunit to take advantage of the thermal mass andagain can be boosted to provide additional supplyair and cooling.IN WINTERFresh air is allowed to enter the space via the dividedshaft in the e-stack unit where it is mixed with warmroom air in the mixing box section. The mixed air isthen distributed in to the space at the desiredtemperature avoiding cold drafts by constantlymeasuring internal and external temperatures. Theremaining warm stale air is allowed to rise from thespace to the atmosphere. Internal CO2 sensors ensurethe system operates within building regulations 365days a year.The combination of natural ventilation and mixed A-Series e-stacks: innovative low energy approach for buildingsmode systems ensure ideal room conditions for the where rooms are connected to a central atrium.occupants 365 days a year by intelligently monitoringand controlling the ventilation system.We believe thatusing this combination you can create environmentsthat are perfectly suited for all applications andbuildings. S-Series e-stacks: Suited to spaces with higher heat gains and for F-Series e-stacks: Designed for spaces which have access to the rooms with more than 35 occupants, such as halls and theatres. external wall and where sloping roofs are used for high level windows.For further details refer to the Commercial catalogue. 14 029 2085 8200

NATURAL & MECHANICAL VENTILATION AT THE HUB BUDMOUTH COLLEGE CLIENT: DORSET COUNTY COUNCIL ARCHITECT: ATKINSBUILDING SERVICES: DORSET COUNTY COUNCIL CONTRACTOR: INTERSERVE The state-of-the-art hi-tech hub which was designed constant pressure twin fans were chosen to aid by Atkins and installed by Interserve, encompasses 14 ventilation in other areas including ICT suites, toilets laboratories, four ICT suites, 30 teaching spaces, and and administrative facilities. associated administration and ancillary features, spanning in total 6,500m2. A series stacks situated on the roofs are served by shafts taken through the building, which serve all The hub’s main atria provides an avenue between classrooms and laboratories, delivering fresh air two teaching blocks and is a weatherised space efficiently and quietly to ensure that students and serviced by low velocity fans. staff are not disturbed during lesson time. Mechanical ventilation housed in the buildings’ roof Both the natural and mechanical systems are voids includes stacked Xboxer heat recovery, while designed to work throughout the year. Tim Pestridge Architectural Photography LLP (CSCS compliant).Members of the British Institute of Professional Photographers (BIPP). LINTON COLLEGE, CAMBRIDGESHIRE Through a combination of passive and assisted night energy fans in the units were only activated when cooling as well as controlled daytime ventilation the internal spaces benefitted from increased At Linton College in Cambridgeshire, the rates, the peak internal temperature observed was airflow through the rooms. effectiveness of the e-stack system was 27.5ºC even when external temperatures exceededhighlighted through its ability to limit internal 29ºC (BB101 allows up to 120 hours over 28ºC, and This low energy mixing negates the need for a peak temperature of 32ºC). preheating of air, which causes many naturally temperatures even when external ventilated buildings to actually consume more energy temperatures soared. As you would expect in summer, CO2 levels than their mechanically ventilated counterparts. In remained well below those required to meet BB101. fact, space heating is only required for pre-heating Additional savings were observed in winter due to prior to occupancy, and in the coldest weather. the heat gains in the space being used to temper incoming air in a reliable, controllable manner. As buildings become increasingly well insulated and air- tight, the e-stack system becomes an ever-increasingly The limited amount of thermal mass available for attractive option from an energy perspective. temperature buffering was maximised, and the low nuaire.co.uk 15

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OUR SPECIFICATION 17 • A GUIDE TO COMMERCIAL BUILDING SERVICES LEGISLATION • INSTALLATION GUIDELINES • USEFUL INFORMATIONDownload specification from www.nuaire.co.uk/specifications nuaire.co.uk 17

A GUIDE TOCOMMERCIAL BUILDINGSERVICES LEGISLATION BUILDING REGULATIONS PART L2 (CONSERVATION Approved Documents offer technical guidance on OF FUELAND POWER IN NON-DOMESTIC means of compliance with the Buildings regulations. DWELLINGS) EFFECTIVE FROM OCTOBER 2010 They are not intended to represent the only methods The new part L2 Part A for new buildings and Part B available, but they do provide reference points that are for work on existing buildings came into force in useful in the practical process of compliance. If the October 2010. guidance is followed, there is a presumption that the compliance requirements will be met. To fall in Line with the EU Energy Performance in Buildings Directive (EPDB), the new L2 2010 , Part F Approved Document Part L2A covers work on new (Northern Ireland – update due 2012) and the non-domestic buildings and major extensions to Technical Handbook - Section 6 (Scotland) 2011 existing non-domestic buildings – i.e. where the documents require a major change in the way additional useful floor area is greater than 100m2 and buildings are to be assessed for compliance with 25% of the original building’s floor area. energy efficiency and carbon emission standards. Approved Document Part L2B addresses works on The new approach taken is to compare the CO2 existing buildings including extensions (smaller than emissions for the actual building (Building Emission those mentioned above), change of building use, rate – BER) with those of a notional building of the provision or extension of controlled services and same size and shape, and constructed to a concurrent fittings, replacement of thermal elements and specification laid down in the National Calculation consequential improvements.The latter being general Methodology (NCM) – the approved procedure for fabric or services upgrades triggered by a complex set demonstrating compliance with the UK building of criteria related to intended works. regulations – (Target Emission rate – TER). The new regulations require the submission of a This approach has been adopted because of the checklist that demonstrates that compliance has variations in improvement potential across a variety of been met against five defined criteria. These criteria building types. Extensive research was carried out into are detailed in Approved Document L2A. the main building categories, and appropriate levels of CO2 emission reductions were identified based on the Criteria1 is mandatory and refers directly to Building cost of achieving them in the various building types. regulation 17C. Criteria 2-5 are considered as guidance. When factored together with the likely build mix and build rates, the aggregate CO2 emissions reduction Criteria Main Points over 2006 emissions rates is 25 %. 1. The Building emission rate (BER) must be less than Part L requires a reasonable provision for the the Target emissions rate (TER) as calculated under conservation of fuel and power in buildings by: the approved methodology. a. limiting heat gains and losses: 2. The performance of the building fabric and heating, i. through thermal elements and other parts of the hot water and fixed lighting systems should achieve reasonable overall standards of energy efficiency.To building fabric: and; avoid a situation where poorly performing systems ii. from pipes, ducts and vessels used for space heating or construction details are compensated for by other means, limits on design flexibility are imposed for and space cooling and hot water services: building fabric and services. For building services, this b. providing and commissioning energy efficient fixed includes the use of appropriate controls, equipment with minimum efficiency levels (verified by testing building services that are fitted with effective to acceptable standards) see “Associated controls and; Documents” below, and appropriate levels of c. providing the building owner with sufficient metering and monitoring. information about the building and the fixed building services and their maintenance requirements, to allow their efficient operation.18 029 2085 8200

3. The building shall be provided with appropriate At the end of construction, calculations based on passive control measures to limit solar gains – to the completed design, and details of changes in reduce the need for, or capacity of air conditioning construction method or specification must also systems. (note that compliance with the suggested be submitted. assessment method does not imply that acceptable levels of comfort will be achieved in the space. ASSOCIATED DOCUMENTS Because of the large amount of technical data and4. The performance of the building, as built, is information that is now required to prove compliance consistent with the BER. Credits are given in the with the Building Regulations, and the relative emissions calculation procedures where this can be inflexibility of theApproved document as a design tool, demonstrated. Particular attention is required to it has become necessary to refer to additional building air-tightness, where extensive guidance documentation for much of the technical detail.These exists and to the continuity of thermal insulation, associated documents again offer guidance on for which it is suggested that reference be made to requirements without necessarily providing absolute accredited construction details and third party limits of performance. In many cases, reference is made verification of design detail. Building services are to a wide variety of relevant harmonised European required to be commissioned effectively (where technical standards that exist to support the important possible) according to the approved procedures in EU directives such as the Energy performance in CIBSE guide M – Commissioning Management. Buildings Directive, and the Energy Using / Energy Documentary evidence of the use of the approved Related Products Directive. procedure is required for Building Control to issue a final compliance certificate. Air leakage testing of For building services products, the Non Domestic ductwork may be required, depending on the Building Services Compliance Guide describes classification claimed in the BER calculation. performance standards for the majority of equipment types that are encountered in current designs,5. The necessary provisions for energy-efficient including heating, cooling, hot water, pipe and duct operation of the building are put in place.This is best insulation, lighting, pumping and, of most relevance to achieved by using the guidance in CIBSE TM31 – Nuaire products – Section 10: Air Distribution systems. Building Log Book toolkit. Information on the building services equipment may be cross referenced This guidance considers the following system types :- to the specification documentation and the Central air conditioning systems, central mechanical manufacturers’ operation and maintenance ventilation systems with heating, cooling or heat manuals. Data used to calculate the TER and BER recovery, all “other” central systems, zonal supply and should be included in the Log Book along with the extract systems where the fan is remote from the zone recommendations for improvements that are and ducting is required – for example in a ceiling void generated by the assessment software package used. or on the roof, and local systems serving one room directly (un-ducted) such as a window mounted fans.ASSESSMENT TOOLS - SOFTWAREThe carbon emissions calculation methodology required The principal means of efficiency regulation forwhen generating the BER, TER and the compliance ventilation systems is the use of limiting Specific Fanchecklist, is implemented in the Simplified Building Power (SFP).Energy Model (SBEM) with its user interface - iSBEM –freely obtainable from the National Calculation As a straight-forward, easily calculated location andMethodology web site. Local authorities are authorised duty specific measure, this single figure referenceto accept calculations only from persons deemed by effectively combines the actual efficiency rating of theBuilding Control Bodies as suitably competent. product, and the adequacy of the actual system design. Calculated as the mains delivered power (W) dividedSeveral dynamic thermal modelling software tools by the system delivered airflow (l/s), the guide provideshave also been approved for the purpose of assessment SFP limits for each system type.and are commercially available, and offer additionalfunctionality.Note that it is required to provide Building Control The variations shown are related to assumptions madewith the design based TER / BER calculations, about the efficiencies of the available impellers / motorstogether with details of the building specifications / drives employed, and the aerodynamic resistances ofupon which they have been based, prior to the the internal components – for example coils and filterscommencement of construction works. – within air handling units, and of the distribution ductwork etc. nuaire.co.uk 19

Additional SFP allowances are given for various system should be included where supply and extract elements. ventilation systems include heating and/or cooling. Some of the application classes defined are extremely PART F – BUILDINGS OTHER THAN DWELLINGS tightly specified in this regard, and this leads to a Almost in complete contrast to the extreme detail situation where fan types that may have practical given concerning residential ventilation systems, benefits (for example in acoustic properties) cannot be Approved Document F sets out guidance for the used. following non-domestic buildings – offices, car parks & “other” building types. There are practical limits to the efficiency of commercially available components, and this will General guidance is given on indoor air quality criteria ultimately constrain the types of distribution systems to facilitate the development of alternative ventilation that may be used in terms of the operational system solutions (from first principles). resistance. Guidance is given on provision for maintenance access, The latest edition of the Scottish Technical handbook and the necessity to ensure the cleanliness of Section 6, includes limiting values for external system ventilation systems and the security of a clean fresh resistance (this was also planned for the England and air supply for the protection of occupant health. Wales version, but deleted late on in the process). For office ventilation (for which a considerable amount The guide very clearly states (10.3 KeyTerms) that the of technical research exists) several outline methods specific fan power of an air distribution system should are proposed for system design. be calculated according to the procedure given in BS EN 13779 2007 Annex D:- Ventilation for Non- Alternative approaches (including natural and mixed residential buildings – Performance requirements for mode ventilation) are referred to via the appropriate ventilation and room conditioning systems. CIBSE guides. This important and informative standard describes For Car Parks, including those below ground simple in Annex D: - the SFP value for the entire building, criteria are expressed for the provision of adequate defined as the weighted average of the SFPE values of ventilation by means of accurate Carbon Monoxide individual units and fans. level control. Although not referred to in ADF, CO based ventilation alone may not control visual For variable air volume flow systems, the SFPE shall be contamination levels, particularly where diesel engined defined at a partial operating air flow and related vehicles predominate. external pressure drop - specified for the fan or air handling unit. Approved Document B is also very relevant to car parks and should be cross referenced. If the operating profile (of flow rate with respect to time) of the unit is known, then this can be used to An alternative approach using natural ventilation establish the partial flow rate, and if not known, then openings is given, and also mechanical systems with a default value of 65% of design maximum is simple air change rate limits are described, and suggested as“a realistic mean annual value for normal references given to additional sources of guidance. comfort ventilation. For “other” buildings,Table 6.3 details an extensive list Additional design criteria are defined for the of reference documents covering the ventilation equipment: - for SFP at 25% of maximum duty to be requirements of a wide range of buildings. no more than that at full speed; provision of variable speed drives for fans with motors of over 1100W; and For more details about ventilation systems that can for the enclosure leakage grade to be L2 as defined in help you meet part F contact Nuaire on BS EN 1886:2007 Ventilation for buildings - Air 02920 858 200. handling units - Mechanical performance. Ducting leakage standards are also defined. Minimum control packages are suggested for each system type, and it is stated that Heat recovery devices20 029 2085 8200

SCHOOL BUILDINGS. For further details on school and hospitalCompared to most other types of buildings, schools ventilation system please contact Nuaire onand hospitals are extreme environments. They have 02920 858 200.high occupancy levels and house many differentactivities and functions within them. Areas includeoffices, classrooms/study areas, canteens, commercialkitchens and accommodation – a great mix and morevaried than most buildings.Part F of the Building regulations applies to schools.Ventilation provisions in schools can be made inaccordance with the guidance in DfES Building Bulletin.BB101 exists as a complete design guide to ventilationin schools, covering design rules for natural andmechanical ventilation systems and concepts involved.All major school building projects must now undergoformal environmental assessment using the BuildingResearch Establishment’s environmental assessmentmethod BREEAM schools and the application of newbuilding regulations should reduce carbon emissionssignificantly.HOSPITAL BUILDINGSNuaire has been supplying ventilation systems tohospitals for many years and are aware of the issues forventilating clinical environments.Health Technical Memorandum 03-01 ‘specialisedventilation in healthcare premises’ (published in twoparts):i part A deals with the design and installation of ventilation systemsii part B covers operational management.The guidance applies to new installations and majorrefurbishments of existing installations.The above memorandum also includes a revision toreflect current guidance on theatre suite layout androom sizes whilst including other key issues such as:Issues relating to patient comfort and the preventionof health care associated infections. Specialist systemsplay important roles in these areas.• Methods of controlling the casual exposure of staff to anaesthetic substances• The design and acceptance testing of general and ultra-clean ventilation (UCV) systems.• Setting out the minimum requirements for the design of air-handling units with the regards to the control of Legionella and other dangerous contaminants, and safe access for routine inspection and maintenance. nuaire.co.uk 21

NUAIRE PRODUCTS All Nuaire products are tested in accordance with UK, EuropeanACOUSTIC GUIDELINES and International industry Standards for performance and sound levels.IT IS AT LEAST TEN TIMES MORE EXPENSIVETO CORRECT AN ACOUSTIC PROBLEM These laboratory test standards are designed to available, and the first principle is to add mass toTHAN TO PREVENT IT. provide a consistent test method and which to a the system – eg layers of plasterboard. limited extent that simulate the ways that a fan • Use appropriately specified attenuators and Anti- 22 029 2085 8200 may be used in a variety of installations. Vibration mounts – again - properly installed and Nuaire generally quote the noise levels separately not bridged to the support structure. for the unit inlet, outlet and casing radiated (or • Flexible or lightweight supporting structures, or breakout) sources, to enable the system designer slow running fans, can require higher levels of to properly evaluate the product in the application. mechanical isolation, and this can only be achieved with high deflection spring type mounts. The noise level measured on site, for example • Flexible Connectors are often a particular source of during the commissioning process, is the sound breakout noise – if they must be used in sensitive pressure level – and this cannot be directly areas, then an acoustic grade should be specified. compared with the sound power levels quoted in • Single skinned rectangular attenuators can also be our fan selection tools (Nuaire catalogue and Fan vulnerable to breakout at the fan connection – Selector). consider this carefully in your specification. Ideally, use attenuators that have been specified Nuaire typically also quote a free field dBA level at with breakout protection, and fit the flexible 3m, and this figure, whilst useful for comparison connectors at inlet attenuator entry and outlet with other products, has a very specific definition – attenuator exit. Any deviation from a straight and cannot be used for acoustic design purposes. inlet/outlet condition, whether by crumpled flexible connectors, bends, or offset transformation The dBA@3m figure quoted will never correspond pieces, will lead to an increase in the quoted in- to a dBA measurement taken at 3m from a product duct noise levels. in a real building. • Specify the correct duty with minimal allowances - and commission the systems properly. Acoustics is a complicated subject and must be As a very rough “rule of thumb”, due to the treated with caution as part of the services design combined effects of an acoustic room property process. Our sales engineers and technical support known as “directivity” and a distance correction for staff will often be able to offer advice on a real room situation, it is possible that the dBA appropriate product types for an application, but it level measured in a room with a ceiling void is often necessary to refer to acoustic specialists for mounted fan above it, can be increases of 8-9 dBA a definitive design solution. up to 14 dBA higher than the Free Field figure. Nuaire have put together the following bullet In general terms, a specification of NR 35 or 40 dBA points for your information and assistance :- represents a very acceptable level for most people in an office environment. SYSTEM DESIGN – GENERAL AND COMMON SENSE ISSUES A requirement to achieve levels of NR 30 or 35 dBA • Position the fan for minimum noise impact or less in a working space, can be considered as • Position grilles and diffusers for minimum noise challenging, and may require specialist acoustic assistance. At the very least, with such a impact specification, the acoustic requirements should be • Design the system for low pressure drop and a major design consideration. smooth air flow = low velocity ducting and grilles Designated “Quiet” areas and bedrooms will need etc. to operate at these levels and preferably lower. • Where appropriate, use barriers and enclosures of a suitable specification – ensuring that they are A final note: It is at least ten times more expensive properly installed (eg ceiling tiles and bulkheads). to correct an acoustic problem than prevent it. Special acoustic grade materials are generally

USEFUL INFORMATIONRULES OF THUMBPlant/System Selection requirement Rule of thumb Environmental Building Application Factor Rule of thumbDuctwork Comfort Noise Levels: Typical duct velocitiesDuctworkDuctwork – Low velocity systems 3 – 5 m/s – High velocity systems 7.5 – 15 m/s Recommended maximum background noise levels for: – Inlet louvres 2.5m/s through free areas • very quiet rooms, eg concert halls, sound studios NR20 Maximum pressure drop rates • quiet rooms, eg bedrooms, theatres, churches NR25 – Low velocity systems 1 Pa/m run • private rooms, eg small offices, libraries, living rooms NR30 – High velocity systems 8 Pa/m run • public rooms, eg general offices, classrooms, small shops NR35 Typical system resistances (including air handling plant) • general areas, eg reception areas, restaurants NR40 – Low velocity supply 900 Pa • work areas, eg kitchens, computer rooms, large shops NR45 – Low velocity extract 300 Pa – High velocity supply 1.5 – 2kPa Intelligibility of telephone conversations at background noise levels of: Air leakage allowance 5% in low velocity systems • up to NR50 Satisfactory • up to NR60 Slightly difficult • up to NR75 Difficult • up to NR75 UnsatisfactoryVENTILATION RATES AIR CHANGE RATINGSThe points which affect this are: The simplest method of determining the ventilation rate required is to make use of the accumulated experience of the industry expressed in a table of air(a) the size of the building or room change rates.(b) the purpose for which it is used(c) the number of occupants The volume in cubic metres (m3) of the space to be ventilated is calculated(d) the type of work they are doing and multiplied by the number of air changes per hour to give the ventilation(e) heat gains from other sources, e.g., electric motors and equipment rate in the m3 per hour. Division by 3.6 converts this to litres per second.(f) the amount of steam, dust and odours from production processes(g) whether the customer has any particular temperature requirement for the Ventilation rate (litres/s) = Volume (m3) x air changes per hour 3.6 buildingThe table of recommended ACH given in information leaflets, and the moreextensive and detailed list given for different types of rooms and buildings isbased on a combination of practical experience and theory, and can safely beused as a guide for all normal conditions in this country.ACH = Air changes per hour nuaire.co.uk 23

USEFUL INFORMATIONRECOMMENDED AIR CHANGES RULES OF THUMB FOR AIR TIGHTNESSWhile the Building Regulations detail the level of ventilation required in specific The Building Regulations require all commercial and industrial buildings with apremises many engineers will also refer to the ‘Recommended Air Change Rates’ gross floor area greater than 500m2 to be tested for air tightness to a minimumdetailed within the CIBSE (Chartered Institute of Building Services Engineers) guides. standard of 10m3/h.m2 at 50 Pascals.Application Air changes per hour Note that many passive and low energy comfort control systems, such asBanks 4 to 6 Termodeck, require values of fabric airtightness considerably better thanCafes/Coffee Bars required by the Building Regulations for them to perform optimally.Cellars 10 to 12Changing Rooms 3 to 10 Source: Building regulationsCinemas/Theatres 6 to 10Conference Rooms 6 to 10Dance Halls 8 to 10Dark roomsDental Surgeries 10 to 12Entrance Halls 10 to 15Factories/worshops 12 to 15GaragesGymnasiums 3 to 5Hospital Wards 8 to 10Kitchens – commercial 6 to 10LaundriesLibraries 6 to 8Offices 6 to 8Public House Bars 15 to 30Restaurants 10 to 15Schoolrooms 3 to 4Shops/supermarkets 4 to 6Showers/Bathrooms 6 to 10Stores/Warehouses 10 to 15Swimming Baths 4 to 6Toilets – public 8 to 10Utility rooms 15 to 20 3 to 6 15 to 20 6 to 8 15 to 2024 029 2085 8200

USEFUL INFORMATIONBENCHMARKS FOR GOOD PRACTICE ENERGY CONSUMPTION ENERGY CONSUMPTION BREAKDOWN(kWh/m2/y treated floor area) OfficesGas Cellular Open plan Standard air Prestige air Space heating Naturally ventilated (%) Air Conditioned (%)Good practice natural natural conditioned conditioned Lighting 60 48Typical ventilation ventilation Hot water 20 16 97 114 Cooling 12 6 79 79 178 210 Other electricals 0 10 151 151 8 20Electricity Source: BSRIA Blue Book 2008 www.bsria.co.ukGood practice 33 54 128 234Typical 54 85 226 358Source: BSRIA Blue Book 2008 www.bsria.co.ukENERGY BENCHMARKS COST OF M&E SERVICESOffices Type of building and serviceEnergy efficiency rating (kWh/m2 per year) Type of building Type of Service and Building M&E services £/m3 Offices Air conditioned (owned) 480 Good Fair Poor Air conditioned (let) 411-426 250-410 >410 Factory Not air conditioned (owned) 291-301Air conditioned over 2000m2 <250 220-310 >310 Warehouse Not air conditioned (let) 260-270 340-480 >480 Education Purpose built for owner 120-180Air conditioned 2000m2 or under <220 230-290 >290 Hospitals High bay (owned) 95-185 200-250 >250 Secondary/middle school 180-350Computer centre <340 District general 425-600 Private 630-650Natural ventilation over 2000m2 <230Natural ventilation 2000m2 or under <200Source: BSRIA Blue Book 2007 www.bsria.co.ukHISTORIC U VALUES (W/M2/K) Source: BSRIA Blue Book 2008 www.bsria.co.ukNon-domestic buildingsWalls 2002 1985 1972 1965 1958Roof 0.35 0.6 1.7 1.7 1.7Floor 0.16 0.6 1.42 1.42 – 0.25 0.6 1.42 1.42 –Source: BSRIA Blue Book 2008 www.bsria.co.uk nuaire.co.uk 25

USEFUL INFORMATIONTHERMAL LOADSThermal load Type of Building or load Load per unit areaHeating load Offices 70 W/m2 Industrial 80 W/m2Total cooling load Educational 100 W/m2 Retail 110 W/m2Typical buildings Residential 60 W/m2 General office 125 W/m2Solar Heat gains Interior zones (more than 7m from windows) 75 W/m2Other heat gains Perimeter zones – 65% glazing 180 W/m2 60% glazing 120 W/m2 Retail 140 W/m2 Banks 160 W/m2 Restaurants 220 W/m2 Hotels 150-300 W/m2 Computer suites 400 W/m2 Windows with internal blinds south facing, June-Sept 250W/m2 of glass Windows with internal blinds east-west facing, June-Sept 150W/m2 of glass Metabolic 10 W/m2 Lighting 12 W/m2 Office machinery 15 W/m2Source: Rules of Thumb, BG 14/2003. BSRIA Blue Book 2008 www.bsria.co.ukHEATING DEGREE DAYS10 year average – September to MayArea Sept Oct Nov Dec Jan Feb Mar Apr MayThames Valley 52 132 226 315 313 276 228 177 100South East 71 158 248 332 334 302 252 201 124Southern 62 134 217 302 307 277 246 199 114South West 54 123 201 280 285 254 235 194 114Severn Valley 43 120 200 294 293 257 219 178 97Midlands 78 169 254 348 349 298 264 213 135West Pennines 79 165 250 341 341 289 259 203 129North West 95 182 271 354 358 308 288 227 147Borders 99 179 262 343 346 292 281 238 179North East 90 173 259 345 348 285 273 229 166East Pennines 77 167 260 350 353 293 260 206 133East Anglia 70 152 257 345 346 311 270 213 135West Scotland 103 190 269 361 351 300 285 226 154East Scotland 106 194 282 367 367 309 290 234 177N E Scotland 115 202 284 375 361 312 303 253 198Wales 68 140 216 296 310 271 254 211 143N Ireland 96 174 254 333 337 288 273 221 153N W Scotland 117 199 259 326 327 298 305 255 199Source: BSRIA Blue Book 2008 www.bsria.co.uk26 029 2085 8200

USEFUL INFORMATIONRECOMMENDED COMFORT CRITERIA Winter dry resultant Summer dry resultant Suggested air supply Maintained temperature (°C) illuminance (lux)Building/room type temperature (°C) (l/s/person)Offices 21-23 22-24 10 300-500Executive 21-23 22-24 10 300-500General 21-23 22-24 10 300-500Open-PlanRetail 12-19 21-25 10 50-300Shopping Malls 19-21 21-23 10 500Small Shops 9-21 21-23 10 750/1000SupermarketsBanks, building societies, post office 19-21 21-23 10 500Counters 19-21 21-23 10 300Public areas 40-60%Relative humidity for comfortSource: CIBSE Guide A 2006ANNUAL SERVICE CHARGES ANNUAL M&E MAINTENANCE COSTS(lettable areas) (Gross floor area)Design area Application Other information Rule of thumb* Design area Application Rule of thumbOffices (let)1 Air-conditioned Average service charge £1.29/ft2 M&E maintenance Factories £800/100m2 Factory/office £800/100m2 for heating and Average service charge £0.67/ft2 Warehouses £700/100m2 air conditioned Offices – air conditioned £2250/100m2 maintenance for heating maintenance Offices – non air conditioned £1300/100m2 Non Call centres £2400/100m2 air-conditioned Averageservice charge £0.23/ft2 Banks/building societies £2150/100m2 Lifts Shopping centres – air conditioned £950/100m2 Shopping centres – non air conditioned £750/100m2 for lift maintenance Supermarkets £1550/100m2 Shops (non food) £1100/100m2Shopping Average service Enclosed air-conditioned Hospitals £1800/100m2centres2 charge by size, Nursing homes and hospices £1100/100m2 location and type • small £4.60-£5.30/ft2 Swimming pools £1900/100m2 Sports centres £1400/100m2 • medium £5.45-£6.96/ft2 Sports centres with swimming pools £1850/100m2 Primary schools £1250/100m2 • large £4.60-£5.30/ft2 Secondary Schools £950/100m2 Universities £1500/100m2 Enclosed non air-conditioned Museums £1400/100m2 Libraries £1700/100m2 • small £3.48-£4.51/ft2 Computer buildings £2400/100m2 • medium £3.98-£5.28/ft2 • large £3.48-£4.51/ft2Source: 1 Office Oscar 2006, Jones Lange LaSalle 2 Retail/Oscar 2006, Jones Lange LaSalle. As referenced BSRIA Blue Book 2008 Source: BSRIA Blue Book 2008 www.bsria.co.uk nuaire.co.uk 27

USEFUL INFORMATIONCONVERSION FACTORS 25.4mm 0.039inLength 0.3048m 3.28ft 1609m 0.00062 milesArea 6.4516cm2 0.155in2 0.0929m2 10.76ft2Capacity 16.39cm3 0.061m3Speed 28.32dm3 0.035ft3Mass 0.7646m3 1.307yd3Density 0.4047 hectares 2.471 acresFuel Consumption 4.4546dm3 0.224 UK gallonForce 0.3048m/s 3.28ft/sEnergy 0.00508m/s 196.85ft/min 0.45359kg 2.205lbPower 1.016 tonne 0.984imperial ton 16.019kg/m3 0.062lb/ft3Specific Energy 0.354km/litre 2.82mpgHeat Content (volume basis) 91 807N 0.0000108kgfSpecific Heat Capacity 3.6 MJ 0.278kWh 1055J 0.239callTSource: BSRIA Blue Book 2008 www.bsria.co.uk 1055J 0.00095btu 105.5MJ 0.0095therm 745.7W 0.00134hp 0.2931W 3.412btu/h 3.517kW 0.284ton refrigeration 746.08W 0.00134hp 2326J/kg 0.00043btu/Ib 37.259kJ/m3 0.0269btu/ft3 4187J/KgK 0.00024btu/lb°f28 029 2085 8200

USEFUL INFORMATIONKEY INDUSTRY CONTACTSAmerican Society for Heating, Refrigerating & Aircon Engineers (ASHRAE) Energy Saving TrustT: 0800 962130 www.ashrae.org T: 0207 222 0101 www.est.org.ukAsbestos Removal Contractors’ Association (ARCA) Environment AgencyT: 01283 531 126 www.arca.org.uk T: 01454 624400 www.environment-agency.gov.ukAssociation for Consulting and Engineering (ACE) Heat Pump Manufacturers AssociationT: 0207 222 6557 www.acenet.co.uk T: 0118 940 3416 www.heatpumps.org.ukAssociation for Environment Conscious Building Heating and Hot Water Information CouncilT: 0845 4569773 www.aecb.net T: 0845 600 2200 www.centralheating.co.ukAssociation for the Conservation of Energy Heating and Ventilating Contractors AssociationT: 0207 359 8000 www.ukace.org T: 0207 313 4900 www.hvca.org.ukAssociation of Fire Consultants HEVAC AssociationT: 08700 114 514 www.afc.eu.com T: 0118 9403416 www.feta.co.uk/hevacAssociation of Noise Consultants Institute of AcousticsT: 01727 896092 www.association-of-noise-consultants.co.uk T: 01727 848195 www.ioa.org.ukBRE Environmental Assessment Method (BREEAM) Institute of Maintenance & Building ManagementT: 01923 664 000 www.bre.co.uk T: 01252 710994 www.imbm.org.ukBritish Approvals for Fire Equipment Institute of Swimming Pool EngineersT: 0208 541 1950 www.bafe.org.uk T: 01603 499959 www.ispe.co.ukBritish Automatic Sprinkler Association Ltd Institution of Engineering and TechnologyT: 01353 659187 www.basa.org.uk T: 0207 2401871 www.theiet.orgBritish Council for Offices (BCO) Institution of Mechanical EngineersT: 0207 283 0125 www.bco.org.uk T: 0207 222 7899 www.imeche.org.ukBritish Institute of Facilities Management Institution of Structural EngineersT: 0845 058 1356 www.bifm.org.uk T: 0207 235 4535 www.istructe.org.ukBritish Refridgeration Association Lifetime Homes for Individual and Community Well BeingT: 0118 940 3416 www.feta.co.uk/bra T: 0207 822 8700 www.lifetimehomes.org.ukBuilding Research Establishment (BRE) Lift and Escalator Industry AssociationT: 01923 664 000 www.bre.org.uk T: 0207 935 3013 www.leia.co.ukBritish Standards Institution The London PlanT: 0208 996 9000 www.bsi-global.com T: 0207 983 4100 www.london.gov.ukBuilding Services Research and Information Association (BSRIA) National Association of Chimney EngineersT: 01344 456 600 www.bsria.co.uk T: 01526 322555 www.nace.org.ukClimate Change Action Plan Royal Institute of British ArchitectsT: 0207 983 4100 www.london.gov.uk T: 0207 580 5533 www.riba.orgThe Carbon Trust Royal Institution of Chartered SurveyorsT: 0800 085 2005 www.carbontrust.co.uk T: 0207 222 7000 www.rics.orgChartered Institute of Building Smoke Control AssociationT: 01344 630700 www.ciob.org.uk T: 0118 9403416 www.feta.co.ukChartered Institution of Building Services Engineers Solar Trade AssociationT: 0208 6755211 www.cibse.org T: 01908 442290 www.greenenergy.org.uk/staCommissioning Specialists’ Association Specification ExpertT: 01403 754133 www.csa.org.uk T: 01344 899280 www.barbour.infoConstruction Design and Management Regulations 2007 (CDM) – HSE The Climate GroupT: 0745 345 0055 www.hse.gov.uk T: 0207 960 2970 www.theclimategroup.org.ukConstruction Industry Research & Information Association UK Thermography AssociationT: 0207 549 3300 www.ciria.org.uk T: 01604 630124 www.ukta.orgEnergy InstituteT: 0207 467 7100 www.energyinst.org.uk Source: BSRIA Blue Book 2008 www.bsria.co.uk nuaire.co.uk 29

TYPICAL APPLICATION ALL BUILDINGS HAVE THEIR OWN UNIQUE REQUIREMENTS FOR VENTILATION. WITH THE NEW GOVERNMENT GUIDELINES ON ENERGY EFFICIENCY IT IS MORE DIFFICULT TO MAINTAIN A COMFORTABLE, HEALTHY ENVIRONMENT WHILST PROVIDING AN ENERGY EFFICIENT SOLUTION.NATURAL VENTILATION SMOKE SOLUTIONS XS RANGEProvides low energy ventilation systems, using STAIRWELL PRESSURISATION Wall, window, ceiling and roof extract fansthe principles of natural mixing ventilation in & SMOKE EXTRACT APPLICATIONS (up to 530l/s).the winter and natural upward displacementin the summer. AXUS SMOKE & AXT High temperature & ambient axial extract fansMECHANICAL EXTRACT FOR up to 85m3/s.OFFICES & COMMUNAL AREASExtract fans are the simplest form ofventilation for office and communalenvironments. Whether duct, wall, windowor ceiling mounted these fans will extractmoisture from wet rooms and offices toprovide continuous fresh air.STAIRWELL PRESSURISATION & SMOKEEXTRACT FOR MULTI-FLOORREQUIREMENTSNuaire have manufactured smoke and carpark ventilation for over 30 years and adesign service is available to complement thecomplete range of smoke pressurisation andextract fans (duct or roof mounted) for300/400ºC for 1 & 2 hours, certified toEN12101-3 2002.CAR PARK EXTRACTThe comprehensive range of AXUS smokefans together with the Impulse car park fanmeets the ever increasing need to providesmoke extract for car parks.MULTI-ROOM VENTILATION NATURAL VENTILATIONCONSTANT PRESSURE VARIABLE VOLUME CONSTANT PRESSURE VOLUME E-STACK (F, A, S & R SERIES UNITS)Twin fan - high performance extract up to Control damper - energy efficient volume damper Range of low energy systems developed as a2.65m3/s. for use with constant pressure twin fan. solution for use in new buildings.30 029 2085 8200

NUAIRE HAS OVER 40,000 PRODUCT LINES TO SELECT FROMWHATEVERYOUR REQUIREMENTS.WE HAVE THE SOLUTION FROM A SMALL EXTRACT FAN TO LARGE AIR HANDLING UNITS. CAR PARK EXTRACT OPTIONS MECHANICAL EXTRACT FOR OFFICES AND COMMUNAL AREASXBOXER TAILOR MADE AHUS IMPULSE HIGH TEMPERATURE EXTRACT23 sizes covering airflow range up to 20m3/s. Powerful impulse fan certified to EN12101-3 ES-OPUSDC (300ºC for 2 hours). Energy efficient range of inline, surface and recessed fans up to 115l/s. ECOSMART SQURBO Energy efficient make up air supply and extract units up to 0.5m3/s. XTRACTOR High efficiency centrifugal fan up to 6.2m3/s. TERMINATOR Horizontal discharge roof extract fan. XBOXER THERMAL WHEELS Available in 6 sizes up to 10m3/s. XBOXER PACKAGED HEAT RECOVERY Low depth, high performance range up to 5m3/s. SQUIF RANGE Run and standby units ideal for ‘out of airstream’ applications such as commercial kitchens. Twin fan option. MRXBOX95 WALL & LOFT HEAT RECOVERY High efficiency up to 95% efficient. nuaire.co.uk 31

TEST, INSTRUMENTATION, RESEARCH AND CONSULTANCY FROM THE BUILT ENVIRONMENTS EXPERTS 2,500m2 UKAS accredited laboratory or on-site testing Over 50 years of experience and 150 staff Product and building energy efficiency Supporting design, installation, operation and maintenance For independent worldwide services contact BSRIA t +44 (0) 1344 465600 f +44 (0) 1344 465626 e [email protected] www.bsria.co.uk32 029 2085 8200

AIR HANDLING UNITS (AHU’S) 33VENTILATION UNIT TYPE UNIT LOCATION MAX PAGE PERFORMANCEOPUSXBOX SUPPLY/EXTRACT 75l/s 34 5.0m3/s 40XBOXER HEAT EXCHANGE SUPPLY/EXTRACT 0.65m3/s 56 1.7m3/s 64XBOXER 55 SUPPLY/EXTRACT 0.5m3/s 90XBOXER HEAT EXCHANGE SUPPLY/EXTRACT 5.0m3/s 94TWINFANS 0.3m3/s 112 10m3/s 114ECOSMART SQURBO SUPPLY/EXTRACT 10m3/s 120 20m3/s 140ECOSMART BOXER INLINE SUPPLY/EXTRACT 6.0m3/s 150UNDERBENCH CLASSROOM UNIT SUPPLY/EXTRACTXBOXER THERMAL WHEEL SUPPLY/EXTRACTXBOXER RUN AROUND COIL SUPPLY/EXTRACTXBOXER CUSTOM SUPPLY/EXTRACTAIR HANDLING UNITSBOXER MODULAR SUPPLY SUPPLY nuaire.co.uk 33

OPUSXBOX - SMALL COMMERCIAL HEAT RECOVERY SYSTEM LOW DEPTH, HEAT RECOVERY UNIT WITH MULTIPLE SPIGOTS AND ECOSMART CONTROLS.34 029 2085 8200

AIR HANDLING UNITS (AHU’S)OPUSXBOXTECHNICAL INFORMATIONBENEFITSLOW DEPTH 185MM PLUG AND GO LOW MAINTENANCE COSTSThe shallowest available, ideal for applications Ecosmart controls and sensors, (please refer to Heat exchanger block and filters are easily removedwhere space is at a premium. controls section) simply plug directly into the unit – from below and cleaned ensuring longer fan life supply and extract then respond to the conditions whilst maintaining efficiencies.HIGH EFFICIENCY being monitored. An ES-CI will also be required.Heat recovery efficiency in excess of 70% possible, QUIETEST UNIT AVAILABLEthis together with low watt D.C. motors gives all FLEXIBLE SOLUTION Acoustically lined with advanced impellerround energy savings. Supply and extract airflows are easily fine tuned technology, ensuring the quietest system possible. using integral speed adjustment and built inQUIET, COMPACT & POWERFUL balancing dampers at each spigot. 5 YEAR WARRANTYLow noise levels, compact design and a high For peace of mind.performance, provides the perfect engineering QUICK INSTALLATIONsolution. A single point fixing bracket with anti-vibration strip enables quick and easy installation.ECOSMART EFFICIENCYSupplied with Ecosmart control, providing a simpleto install, easy to commission, energy efficientsolution.TYPICAL INSTALLATION: OPTIONS INCLUDE: Ceiling Grid Ceiling Mounted Mounted Supply Diffuser Extract Grille Extract Air Easy access to filters. Min and max speed and run on timer adjustment. Fresh inlet Exhaust to opusXbox in outside ceiling void Extract fan section and Knockout spigots. commissioning controls. nuaire.co.uk 35

AIR HANDLING UNITS (AHU’S)OPUSXBOXTECHNICAL INFORMATIONPERFORMANCE - OPUSXBOX CasingOPUSXBOX 0 36 72 108 144 180 216 (m3/hr) 450 3 75% 4 100% 252 288 400 2 50% 50 60 350 ISO 5801 2007 300 30 40 AMCA 300 250 200 V 150 100 Type D Air Density 1.2 kg/m3 50Fan Static Pressure (Pa) 0 Code descriptions 0 OPUSXBOX 11 25% 70 80 10 20 Air volume flow rate (l/s)OPUSXBOXELECTRICAL, SOUND & WEIGHT FLC SC* Sound figures Induct sound power level re 1pW Breakout Weight (amps) (amps) dBA @3m (Kg)Curve Ref W* * 0.05 0.05 125 250 500 1K 2K 4K 8K 15 251 (25%) Supply fan 5 0.05 7 2 0.1 Inlet 29 31 28 15 16 4 4 29 Extract fan 0.1 Outlet 5 52 (50%) Supply fan 0.3 Inlet 19 26 23 14 8 26 16 38 0.3 Outlet 23 15 Extract fan 5 0.05 0.7 Inlet 18 26 17 7 4 12 9 443 (75%) Supply fan 0.7 Outlet 9 9 Inlet 35 39 43 34 34 42 32 Extract fan Outlet 33 254 (100%) Supply fan 17 0.1 Inlet 45 47 44 31 32 22 19 Outlet 19 19 Extract fan Inlet 35 42 39 30 24 52 42 Outlet 40 32 17 0.1 Inlet 34 42 33 23 19 29 26 Outlet 26 26 Inlet 51 55 59 50 50 59 49 Outlet 51 0.3 55 57 54 41 42 45 52 49 40 34 51 0.3 44 52 43 33 29 61 65 69 60 60 120 0.7 62 64 61 48 49 52 59 56 47 41 120 0.7 51 59 50 40 36 68 72 76 67 67*Fans are programmed with a soft start, therefore starting current is the same as the FLC.Please note step curves shown are for information purposes only and are not individual units. The units actual duty range is infinitely variable.**W = Watts are total power consumption.INSTALLATIONBracket tongues engage with casing slots, then unit rotated up to align with fixing screw hole. Fixing screw hole.Slots in casing either side of unit to allow alternative mounting option. 36 029 2085 8200

AIR HANDLING UNITS (AHU’S)OPUSXBOXTECHNICAL INFORMATIONOPUSXBOX CONFIGURATIONS Air Discharge to 22mmView from underside with cover removed outside via condensate tray and drain 125 dia spigot Extract fan and 100 dia spigot commissioning c/w V.C.D controls Communications 125 dia spigot terminal box c/w V.C.D Supply fan and commissioning controls Mains voltage terminal box Filter Fresh air inlet Mounting bracket 4 x 100mm dia via 125 dia spigot with A.V. strip spigots c/w V.C.DDIMENSIONS (mm) OPUSXBOX FilterSIDE VIEW 100 dia spigot c/w V.C.D 125 dia spigot c/w V.C.D Mounting bracket Single screw unit fixing 6854 x spigot knockouts. 1 x 125mm dia. and 3 x 100mm dia. 10Condensate drain 22mm ODCable entry 20mmfor each supply and extract system END VIEW 185125 dia.VIEW FROM UNDERSIDE WITH COVER REMOVED 637IntakeMOUNTING BRACKET TOP VIEW 125 dia. 100 dia. 250 extract extract Junction 100 dia. box for extract sensors etc 100 dia. extract4 x end spigot 100 dia. Drain Mainsknockouts supply connection100mm dia. box 100 dia. supply Bracket fixing 4 holes 7.5mm dia. 125 dia. 100 dia. 125 dia. Weight: 25kg supply supply discharge 850Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 37

AIR HANDLING UNITS (AHU’S)OPUSXBOX WIRINGTECHNICAL INFORMATIONWIRING FOR OPUSXBOX Circuit board wiring. Other control wirings are available on each fan. Open the cover of the unit to gain access to these connections.The supply and extract fan within the unit are pre-wired to an external wiringbox for ease of connection. All field wiring must be routed through a suitable Trickle DO NOT USElocal isolator. LinkBasic wiring. Both supply and extract will run at constant speed. Pre-wired toThe fan duty is controlled via the 'Boost' setting. junction box230V - 50Hz Isolator by others 2 LVT NET TR N N1 240V 1ph TEST L LL supply 3A fuse N1 pre-wired 60 2E to terminal Factory fitted links box N 30 Run-on L (mins) Switch live SL input 0 pre-wired to terminal 100 box Max230V - 50Hz Isolator and switch by others 2 Airflow N N1 (%) LL N1 25 2E 100 Min Airflow (%) 25 Status L Boost switch 3A fuse Remove factory fitted link from 'L' to '1'Trickle and Boost operation. Both supply and extract will run at trickleand boost speed together. Closing the boost switch will cause bothfans to run at boost setting.230V - 50Hz Isolator and switches by others 2 N L N1 3A fuse LL Boost Boost switches signal for Remove all factory fitted links N1 extract fan 2E Boost signal for supply fanWiring for independent boost. The supply and extract fan will trickle and boostindependently.38 029 2085 8200

AIR HANDLING UNITS (AHU’S)OPUSXBOXTECHNICAL INFORMATIONCONSULTANTS SPECIFICATIONOPUSXBOX OPUSXBOX CONTROL OPTIONS All versions shall have the following functions integrally mounted within the fanOPERATION unit on a purpose made PCB, all such components pre-wired and factory fittedThe supply and extract ventilation unit shall be as indicated on the drawings and by the manufacturer: -shall be in accordance with the particular fan schedule in the specification. • Integral speed control on supply and extract.Where a stand alone heater battery it will raise the temperature of the supply air • Integral background ventilation control/set point.to the design room temperature after the air has passed through the heat • Integral boost ventilation control/set point.exchanger. The ventilation unit shall automatically vary the ventilation rate, as it • Integral run on timer.receives signals from one of the optional interconnected sensors.When signals • Integral S/L terminal for boost from remote switch, e.g. lightswitch.are received, the fan shall either vary its speed proportionally or on a trickle andboost principle. The fan unit will have a 5 year warranty.The unit shall have the facility to commission the supply and extract fans Units shall be the OPUSXBOX as manufactured by Nuaire.individually via inbuilt minimum and maximum speed adjustment, the fansthemselves shall have infinitely variable speed control.OPUSXBOX - UNIT SPECIFICATIONThe fans shall be acoustically lined with high density class “O” flame retardantinsulation, giving extremely low noise levels. The unit shall have a heat exchangerblock manufactured from aluminium with a thermal efficiency of approximately70% which shall be protected by G2 grade filters on supply and extract. It shallcome complete with a condensate drip tray and drain connection, integralminimum and maximum speed controls, run on timer and facia mounted failureindication. The breakout noise level and power requirements shall be as detailedby the unit manufacturer and as detailed in the ventilation equipment schedule.The unit shall have low energy, high efficiency d.c. fan/motor assemblies withsealed for life bearings.The depth of the low profile unit shall not be greater than 185mm and shallincorporate a low profile single point mounting bracket, with a pre-stressedsynthetic anti vibration strip.The unit shall be constructed with two removable panels allowing fullmaintenance access to all components.To facilitate the interconnection of branch ducts the unit shall have multiplespigot connections with integrated balancing dampers. Spigot connectionsprovided.Download specification from www.nuairegroup.com/specifications nuaire.co.uk 39

XBOXER HEAT EXCHANGE UNITS WIDE RANGE OF ENERGY EFFICIENT HEAT RECOVERY UNITS WITH OPTIONAL INTEGRATED CONTROLS.40 029 2085 8200

AIR HANDLING UNITS (AHU’S)XBOXER HEAT EXCHANGETECHNICAL INFORMATIONBENEFITSHIGH EFFICIENCY EASY INSTALLATION DX COIL OPTION AVAILABLEHeat exchanger efficiency of up to 70%, alongside All XB models (sizes 2 - 6) are supplied in one piece. Please contact Nuaire.high efficiency motors and backward curved XBH and XBV models (sizes 6, 7, 8, 9 & 10) areimpellers. supplied in 3 sections (unless otherwise specified) CONSTANT PRESSURE CONTROL for delivery, ready for site assembly. AVAILABLEENERGY EFFICIENT CONTROLS For further details please contact Nuaire.Full Ecosmart control compatibility provides a EASY MAINTENANCEsimple ‘plug & go’ control solution with BMS Left or right hand options (in direction of airflow) – HEATER BATTERY OPTIONSinterface and trickle and boost as standard. will provide full access to components. For access Unit with integral battery, LPHW or electric. requirements contact Nuaire.NO CONTROL OPTION AVAILABLE ANCILLARIESNow available on all sizes. INTEGRATED SUMMER BYPASS A range of ancillaries are available Operates automatically via integrated factory set including manometers, bulkhead lights, view ports,SPACE SAVING SOLUTIONS temperature sensors. drain trays & traps.Stacked or horizontal units, provide the mosteffective solution. WEATHERPROOF DETAIL For further details please contact Nuaire. Can be factory or fitted on site, pleaseQUIETEST SOLUTION refer to page 53 for details. 5 YEAR WARRANTYUnits are double skinned keeping breakout noise to Note: weather proof enclosure for XB2 - On Ecosmart models for peace of mind.the lowest possible levels. XB5 is supplied as a separate component. No control models have a 2 year warranty. ContactOptional acoustic enclosure available. Nuaire for details. ADVANCED CONDENSATE REMOVALWIDE RANGE Miniature condensate pump option, for applicationsHorizontal, stacked and twinfan options available where the distance to discharge is great. Pump alsoup to 5m3/s. enables a ‘micro bore’ type pipe to be used.QUICK COMMISSIONING FILTER OPTIONSIntegrated supply and extract fan allows precise G4 fitted as standard. Higher grade integratedsystem duty can be quickly and accurately set. filters available. Duct mounted ancillary also(Ecosmart models only). available.FEATURES INCLUDE:With electric heater. With LPHW.Constant Pressure control option. Filter option. Bottom access available (XB2-5). nuaire.co.uk 41

AIR HANDLING UNITS (AHU’S)XBOXER HEAT EXCHANGETECHNICAL INFORMATIONPERFORMANCE - XBOXER HEAT EXCHANGE CasingXBOXER Horizontal sizes: (XB2-5) and (S1-XB and S6-XB) and stacked sizes (S2-5 XBV) Code descriptions (m3/hr) XB2 - R L 2 AE || ||| | 0 720 1440 2160 2880 700 12 345 6 600 ISO 5801 2007 AMCA 300 1. Xboxer (S1-XB or XB2-5 or S6XB or S2-5 XBV) V 2. Curve ref. Type D 3. Component layout Air Density 1.2 kg/m3 L = Left hand XB55 R = Right hand 500 4. Type of heater battery fitted N= No heaterFan Static Pressure (Pa) 6 L = LPHW 400 E = Electric 5. 1 = 1 row coil or 2 = 2 row coil 5 6. Optional Acoustic Enclosure 300 (sizes XB2 - 5 only) *For coil options please see page 74. 34 200 2 100 1 0 0.6 0.7 0.8 0 0.1 0.2 0.3 0.4 0.5 Air volume flow rate (m3/s) Note: refer to page 56 for XB55 horizontal unit for internal mounting only.XBOXER Horizontal sizes: (S6-10 XBH) and stacked sizes: (S6-10 XBV) Casing (m3/hr) 0 3600 7200 10800 14400 18000 600 Full Full ISO 5801 2007 500 speed speed AMCA 300 V Type D Air Density 1.2 kg/m3Fan Static Pressure (Pa) 400 8 99 10 77 4 300 6 Code descriptions 200 S6NC - XBV - R L 3 WP 100 | | | ||| | 0 0 12 3 45 6 7 80% 75% 1. Curve Ref. (S6-10XBH) or S6-10XBV speed speed 2. Ecosmart control as standard 1 23 NC = No control (sizes 1 - 10) Air volume flow rate (m3/s) 3. Xboxer (XB/H or XBV) 4. Component layout 5 L = Left hand R = Right hand Handings in direction of supply air. 5. Type of heater battery fitted N= No heater L = LPHW E = Electric 6. 1 = 1 row coil or 2 = 2 row coil 7. Optional weather proof kit *For coil options please see page 74. 42 029 2085 8200

AIR HANDLING UNITS (AHU’S)XBOXER HEAT EXCHANGETECHNICAL INFORMATIONPERFORMANCE - XBOXER HORIZONTAL XB AND XBH AND STACKED XBVELECTRICAL, SOUND & WEIGHTCurve Code Motor Start Full load Electric Heater LPHW Induct Sound Power Levels dB re 1pW 4K Breakout1 S1-XB-** power current current Heater FLC Heater 63 125 250 500 1K 2K 33 dBA Weight Phase watts (amps) (amps) (kW) (amps) (kW) 60 55 54 47 41 37 57 8K @3m (Kg) 1 172 1.28 1.28 - 1.28 * Intake 64 67 63 59 62 60 56 29 33 75 68 69 64 61 62 60 32 532 XB2-** 1 270 1.7 1.7 4.5 18.7 Supply 61 60 56 48 41 37 51 Discharge 71 71 69 66 62 54 52 282 S2-XBV-** 1 270 1.7 1.7 4.5 18.7 Extract 64 64 64 62 57 57 40 49 34 153 * Intake 67 70 65 69 60 59 56 283 XB3-** 1 410 1.9 1.9 4.5 18.7 Supply 60 62 53 50 47 37 29 49 Discharge 69 69 67 68 63 59 253 S3-XBV-** 1 410 1.9 1.9 4.5 18.7 Extract 67 65 63 57 55 58 58 54 36 90 * Intake 67 70 65 67 61 55 44 334 XB4-** 1 423 2.8 2.8 4.5 18.7 Supply 59 60 58 52 48 47 55 51 Discharge 75 75 73 70 66 58 42 344 S4-XBV-** 1 423 2.8 2.8 4.5 18.7 Extract 68 68 68 66 61 61 53 36 153 * Intake 71 74 69 73 64 63 56 325 XB5-** 1 690 3.6 3.6 4.5 18.7 Supply 64 66 57 58 51 41 44 53 Discharge 73 73 71 72 67 63 60 295 S5-XBV-** 1 690 3.6 3.6 4.5 18.7 Extract 71 69 67 61 59 62 33 58 38 90 * Intake 71 74 69 71 65 59 376 S6-XB-** 1 850 66 6 25 Supply 63 64 62 56 52 51 62 55 Discharge 76 75 71 70 69 60 48 386 S6-XBH-** 1 980 6 6 6 25 Extract 64 62 63 61 59 56 59 53 36 155 3 980 6 6 12 16.7 * Intake 74 73 70 73 70 68 46 36 4.400 kW 9 9 6 25 Supply 67 63 55 57 54 45 56 S6-XBV-** 1 12 16.7 Discharge 74 73 69 72 70 65 57 30 3 27 38 Extract 67 63 62 57 57 57 46 58 39 94 * Intake 74 73 70 72 71 64 63 417 S7-XBH-** 3 54 75 Supply 66 61 60 55 55 55 37 58 S7-XBV-** Discharge 80 79 75 74 73 64 39 -- Extract 68 66 67 65 63 60 63 57 38 1558 S8-XBH-** 3 4.400 kW 9 9 * Intake 78 77 74 77 74 72 50 40 S8-XBV-** -- Supply 71 67 59 61 58 49 62 60 Discharge 78 77 73 76 74 69 50 349 S9-XBH-** 3 8.000 kW 17 17 Extract 71 67 66 61 61 61 62 43 94 S9-XBV-** * Intake 78 77 74 76 75 68 61 45 Supply 70 65 64 59 59 59 50 6210 S10-XBH-** 3 11.000 kW 22 22 Discharge 82 86 80 68 67 64 67 43 S10-XBV-** Extract 76 79 76 67 62 59 41 51 47 212 * Intake 85 86 80 74 72 68 40 Supply 77 80 73 64 59 55 67 54 Discharge 76 79 76 67 62 59 54 44 Extract 82 86 80 68 67 64 66 40 39 595 * Intake 77 80 73 64 59 55 54 51 Supply 85 86 80 74 72 68 44 * Discharge 75 77 76 74 68 67 57 54 Extract 81 81 83 84 78 77 50 56 47 630 * Intake 76 71 73 79 72 69 61 66 Supply 80 83 86 79 74 75 47 53 Discharge 78 82 79 77 71 72 69 Extract 84 87 86 87 81 82 50 58 50 954 * Intake 79 76 76 82 75 74 57 68 Supply 83 89 89 82 77 80 47 55 Discharge 84 77 76 78 74 69 61 71 Extract 89 84 84 84 85 80 52 46 1517 * Intake 84 77 74 79 79 72 65 66 Supply 89 84 86 83 80 77 75 53 Discharge 86 79 81 80 75 71 67 65 Extract 92 87 90 87 86 82 73 56 48 1930 * Intake 87 80 80 82 80 74 70 Supply 91 86 91 85 81 79 72 57 Discharge 82 69 Extract 74 80 64 74 66 72 66 75 67 74Units 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. Unit has a soft start function therefore the starting current is identical to the full load.** Add relevant code for handing and heater type.* For details on coils, codes and selection please refer to page 74.Note: Size 6 - 1 phase = supply for fan, 3 phase = supply for electric heater battery.Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 43

AIR HANDLING UNITS (AHU’S)XBOXER HEAT EXCHANGETECHNICAL INFORMATIONDIMENSIONS AND CONFIGURATIONS Filter Heat Exchanger LPHW CoilXBOXER Horizontal size S1-XB BDIMENSIONS (mm) FilterCode A B C D CS1-XB 1361 1000 340 250 A DModel shown: S1-XB-LL (left hand with LPHW). Model shown: S1-XB-RL (right hand with LPHW).Model shown: S1-XB-LN (left hand with no heater). Model shown: S1-XB-RN (right hand with no heater).44 029 2085 8200

AIR HANDLING UNITS (AHU’S)XBOXER HEAT EXCHANGETECHNICAL INFORMATIONDIMENSIONS AND CONFIGURATIONS BXBOXER Horizontal sizes XB2, 3, 4, 5 and S6-XB CDIMENSIONS (mm) ACode A B C DXB2 1700 1150 340 315XB3 1700 1150 340 315XB4 1700 1150 340 315XB5 1700 1150 340 315S6-XB 1700 1150 700 500 D Model shown: XB2-5-LL (left hand with LPHW).Model shown: XB2-5 and S6-XB-RE (right hand with electric heater). Model shown: XB2-5 and S6-XB-LE (left hand with electric heater).Model shown: XB2-5 and S6-XB-LL (left hand with LPHW). Model shown: XB2-5 and S6-XB-RL (right hand with LPHW).Model shown: XB2-5 and S6-XB-LN (left hand with no heater). Model shown: XB2-5 and 6-XB-RN (right hand with no heater).Download specification from www.nuaire.co.uk/specifications For weatherproof cowls refer to page 53 45 nuaire.co.uk

AIR HANDLING UNITS (AHU’S)XBOXER HEAT EXCHANGETECHNICAL INFORMATIONDIMENSIONS AND CONFIGURATIONS Supply Fan LPHW Heat ExchangerXBOXER Horizontal size S6-XHB BDIMENSIONS (mm)Code A B C D Filter CS6-XBH 2800 2000 530 400 Filter Extract Fan A D Model shown: S6-XBH-LL (left hand with LPHW).Model shown: S6-XBH-LE (left hand with electric heater). Model shown: S6-XBH-RE (right hand with electric heater).Model shown: S6-XBH-LL (left hand with LPHW). Model shown: S6-XBH-RL (right hand with LPHW).Model shown: S6-XBH-LN (left hand with no heater). Model shown: S6-XBH-RN (right hand with no heater).Note: Control box is integral. For weatherproof cowls refer to page 53 46 029 2085 8200

AIR HANDLING UNITS (AHU’S)XBOXER HEAT EXCHANGETECHNICAL INFORMATIONDIMENSIONS AND CONFIGURATIONS Supply Fan Control LPHW BXBOXER Horizontal sizes S7 and 8-XHB DDIMENSIONS (mm) E FCode A B C DE F G H Filter CS7-XBH 2600 1600 800 1200 600 800 600 350S8-XBH 3800 2000 1000 2200 600 1000 600 450 30 Heat Exchanger Filter Extract Fan 30 H A 30 G 30 Model shown: S7-8-XBH-LL (left hand with LPHW).Model shown: S7-8-XBH-LE (left hand with electric heater). Model shown: S7-8-XBH-RE (right hand with electric heater).Model shown: S7-8-XBH-LL (left hand with LPHW). Model shown: S7-8-XBH-RL (right hand with LPHW).Model shown: S7-8-XBH-LN (left hand with no heater). Model shown: S7-8-XBH-RN (right hand with no heater).Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 47

AIR HANDLING UNITS (AHU’S)XBOXER HEAT EXCHANGETECHNICAL INFORMATIONDIMENSIONS AND CONFIGURATIONS Supply Fan Control LPHW Heat ExchangerXBOXER Horizontal sizes S9 and 10-XHB BDIMENSIONS (mm)Code A B C FilterS9-XBH 4600 2600 1000S10-XBH 4600 2600 1300 C Filter 30 Extract Fan 30 A 30 30 Model shown: S9/10-XBH-LL (left hand with LPHW).Model shown: S9/10-XBH-LL (left hand with LPHW). Model shown: S9/10-XBH-RL (right hand with LPHW).Model shown: S9/10-XBH-LN (left hand with no heater). Model shown: S9/10-XBH-RN (right hand with no heater).48 029 2085 8200

AIR HANDLING UNITS (AHU’S)XBOXER HEAT EXCHANGETECHNICAL INFORMATIONDIMENSIONS AND CONFIGURATIONS Filter Control Box Heat Exchanger Supply Fan FilterXBOXER Stacked sizes S2, 3, 4 and 5-XBV LPHWDIMENSIONS (mm)Code A B C D DS2-XBV 2500 550 820 C BS3-XBV 2500 550 820S4-XBV 2500 550 820 250S5-XBV 2500 550 820 250 250 250 A Extract Fan Model shown: S2-5-XBV-LL (left hand with LPHW).Model shown: S2-5-XBV-LE (left hand with electric heater). Model shown: S2-5-XBV-RE (right hand with electric heater).Model shown: S2-5-XBV-LL (left hand with LPHW). Model shown: S2-5-XBV-RL (right hand with LPHW).Model shown: S2-5-XBV-LN (left hand with no heater). Model shown: S2-5-XBV-RN (right hand with no heater).Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 49

AIR HANDLING UNITS (AHU’S)XBOXER HEAT EXCHANGETECHNICAL INFORMATIONDIMENSIONS AND CONFIGURATIONS Filter Fan + Control Heat Exchanger FilterXBOXER Stacked size S6-XBV CDIMENSIONS (mm) A LPHW connectionsCode A B C D DS6-XBV 2000 954 1060 400 Supply Fan + Control LPHW B Model shown: S6-XBV-LL (left hand with LPHW).Model shown: S6-XBV-LE (left hand with electric heater). Model shown: S6-XBV-RE (right hand with electric heater).Model shown: S6-XBV-LL (left hand with LPHW). Model shown: S6-XBV-RL (right hand with LPHW).Model shown: S6-XBV-LN (left hand with no heater). Model shown: S6-XBV-RN (right hand with no heater).Note: control box is integral. 50 029 2085 8200

AIR HANDLING UNITS (AHU’S)XBOXER HEAT EXCHANGETECHNICAL INFORMATIONDIMENSIONS AND CONFIGURATIONS Filter Fan + Control Heat Exchanger FilterXBOXER Stacked sizes S7 and 8-XBVDIMENSIONS (mm)Code A B C CS7-XBV 2600 800 1600S8-XBV 3800 1000 2000 LPHW Supply Fan + Control 30 A B 30 Model shown: S7-8-XBV-LL (left hand with LPHW).Model shown: S7-8-XBV-LE (left hand with electric heater). Model shown: S7-8-XBV-RE (right hand with electric heater).Model shown: S7-8-XBV-LL (left hand with LPHW). Model shown: S7-8-XBV-RL (right hand with LPHW).Model shown: S7-8-XBV-LN (left hand with no heater). Model shown: S7-8-XBV-RN (right hand with no heater).Download specification from www.nuaire.co.uk/specifications nuaire.co.uk 51