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Nuaire AHU Layout 1 12/08/2011 10:29 Page 98E CO SM A RT B OX E R A HU STANDARD CONFIGURATIONSCOMPLETE PACKAGED AIR HANDLING UNITS WITH ALL THENECESSARY CONTROLS.98029 2085 8200
Nuaire AHU Layout 1 12/08/2011 10:29 Page 99A I R H A NDL I NG UNI TS ( A H U’S)EC O SMART B OXERTEC H NI C A L I NF O R MATI O NB E NE F I T SVERY QUIETPART L AND ENERGY EFFICIENTCOIL OPTIONS25mm double skinned panels provide betteracoustic and thermal properties over conventionalAHU’s.Fan impellers are selected for optimum efficiencyand noise characteristics. Motors are IE2 to BS 5000direct drive and high efficiency belt drive.DX & chilled water coils are available, call Nuairefor further details.Note: Undressed coils are also available.REDUCE INSTALLATION TIMEIMPROVED LIFE CYCLE/NO SYSTEMOVERLOADSWARRANTYAll components are pre-assembled, wired andtested at the Nuaire manufacturing facility. Unitsare delivered conveniently in sections for easy siteassembly.Ecosmart Boxer has a 5 year warranty.Ecosmart is pre-programmed to automatically givea soft start function which prevents electricaloverloading and minimises mechanical wear.SIMPLE PRECISE COMMISSIONINGLONG LASTINGMinimum and maximum ventilation rates preciselyset and limited at AHU requiring no throttlingdampers.Each section is manufactured from a highly rigidpentapost framework with heavy gauge AluzincY,corrosion resistant steel panels.ENERGY EFFICIENTCONSTANT PRESSURE CONTROLAVAILABLEAll models have Ecosmart controls built in, whichprovide the most energy efficient and cost effectivesolution.For further information contact Nuaire.ANCILLARIES & COMPONENT OPTIONS:Weather terminals.Silencers.Dampers.Vertical and horizontal heat exchangers.Base frames.DX Coils.Monometrer.Filter sizes 1 & 2 G4 panel,sizes 3 - 7 G4 bag or G4 bag & F7 bag.nuaire.co.uk99
Nuaire AHU Layout 1 12/08/2011 10:29 Page 100A I R H A NDL I NG UNI TS ( A H U’S)EC O SMA RT B OXERTEC H NI C A L I NF O R MATI O NPERFORMANCE - ECOSMART BOXER SIZES 1 and 2CasingEcosmart Boxer supply unit filter and heating coil600Tested in duct500ISO 5801 2007Fan Static Pressure (Pa)V4001H2H30020021Ecosmart Boxer sizes 1 and 2.100000.51.01.5Air volume flow rate (m3/s)ESBH S - 2 - LC Ecosmart Boxer supply Unit filter and heating and cooling coil1600Tested in ductVFan Static Pressure (Pa)500ISO 5801 20074001H2H30020021100000.51.01.5Air volume flow rate (m3/s)Ecosmart Boxer fan unit only600VFan Static Pressure (Pa)ISO 5801 20074001H2H30020021100000.51.0Air volume flow rate (m /s)3100029 2085 82002341. Ecosmart Boxer range2. S SupplyEX Extract3. Size 1 - 24. L Low Pressure hot water heater batteryLC Low Pressure hot water heaterbattery and CHCW chilled watercooling coilLD Low Pressure hot water heaterbattery and DX cooling coilED Electric heater battery andDX Direct expansion (refrigerant typecoil)Note: If no Ecosmart control is requiredexample code would be: BHS2NC-LC.If fan control only is required (undressedcoils) example code would be:BHS2FC-LC.Tested in duct500Code descriptions1.5
AIR HANDLING UNITS (AHU’S)ECOSMART BOXERTECHNIC AL INFORMATIONPERFORMANCE - ECOSMART BOXER SIZES 1 and 2ELECTRIC AL & SOUNDCurveMotorRating(kW)ElectricCoil Data(kW)Fan InputPower(watts)TypeDucted sound power levels dB re 21.6242H1.6244K8KI inletO outlet7377677557775978597854734567251480I inletO outlet7277667462755876587652724264241620960I inletO outlet72776674627558765876527242642416001065I inletO eakoutdBA@3mSUPPLY WITH ELECTRIC l FLC(amps)Total PPLY WITH ELECTRIC HEATER & COOLING COILCurveCodePhaseFLC(amps)SUPPLY WITH ELECTRIC HEATER & DX COOLING D340.77.322HESBHS2H-ED342.89.4SUPPLY WITH LPHW HEATERCurveCodePhaseFlow valve H-L17.27.22ESBHS2-L16.46.42HESBHS2H-L19.09.0SUPPLY WITH LPHW HEATER & DX COOLING 19.49.4SUPPLY WITH LPHW HEATER & COOLING LC39.09.0Download specification from www.nuaire.co.uk/specificationsDX COIL DATAUnitSizeMax Air kWEvap.FlowRating tempm3/sR407C deg CPDConnthrough sizeCoil ostCoils InOutCoolingCoils InOutHeatingCoils InOut10.75BSP0.75BSP1 BSP1 BSP1.25BSPFor wiring diagrams refer to pages 110.nuaire.co.uk101
Nuaire AHU Layout 1 12/08/2011 10:29 Page 102A I R H A NDL I NG UNI TS ( A H U’S)EC O SMA RT B OXERTEC H NI C A L I NF O R MATI O NDIMENSIONS AND CONFIGURATIONSLengthEcosmart BOXER sizes 1 and 2BDI ME N S I ON S ( m m ) & W E I GH T S ( K G)ESBHEX*ESBHS*L/ESize LWLWESBHS* LC/LD, ED/ECHeating & CoolingLWBC17008410001321600170954 5304003422100011711301851730264954 670500342D dia D1NB: Units are handed left hand side as standard. (L Length, W Weight).Right hand side is available on request.CD diaFor component ‘Z’ factors please refer to page 109.D1AirflowAirflowModel shown: size 1 and 2 (right hand extract).Model shown: size 1 and 2 (left hand extract).Model shown: size 1 and 2 (right hand LPHW supply).Model shown: size 1 and 2 (left hand LPHW supply).Model shown: size 1 and 2 (right hand electric supply).Model shown: size 1 and 2 (left hand electric supply).102029 2085 8200
Nuaire AHU Layout 1 12/08/2011 10:29 Page 103A I R H A NDL I NG UNI TS ( A H U’S)EC O SMART B OXERTEC H NI C A L I NF O R MATI O NPERFORMANCE - ECOSMART BOXER SIZES 3 - 7CasingEcosmart Boxer supply unit filter and heating coil1200Tested in ductVFan Static Pressure (Pa)1000ISO 5801 200780076006440053Ecosmart Boxer sizes 3 - 7200000.51.01.52.02.53.03.54.04.55.0Air volume flow rate (m3/s)ESBH S - 3 - LC Ecosmart Boxer Supply unit filter and heating and cooling coil1200Tested in duct1000ISO 5801 2007Code descriptions1234Fan Static Pressure 55.0Air volume flow rate (m3/s)Ecosmart Boxer fan unit only1200Note: If no Ecosmart control is requiredexample code would be: BHS3NC-LC.If fan control only is required(undressed coils) example code wouldbe: BHS3FC-LC.Tested in ductVFan Static Pressure (Pa)1000ISO 5801 2007800660051. Ecosmart Boxer range2. S SupplyEX Extract3. Size 3 - 74. L Low Pressure hot water heaterbatteryLC Low Pressure hot water heaterbattery and CHCW chilled watercooling coilLD Low Pressure hot water heaterbattery and DX cooling coilED Electric heater battery andDX Direct expansion (refrigerant typecoil)Please note: Sizes 3 - 7 do not havefilters included as Air volume flow rate (m /s)3N.B. Unit air volume flowrates are calculated by component velocity.Download specification from www.nuaire.co.uk/specificationsnuaire.co.uk103
Nuaire AHU Layout 1 12/08/2011 10:30 Page 104A I R H A NDL I NG UNI TS ( A H U’S)EC O SMA RT B OXERTEC H NI C A L I NF O R MATI O NPERFORMANCE - ECOSMART BOXER SIZES 3 - 7E L E C T R I C A L & S OU N DCurveMotorRating(kW)ElectricCoil Data(kW)Fan InputPower(watts)RPMTypeDucted sound power levels dB re tdBA@3m4K8KI inletO outlet8487818282817675737167666262403I inletO outlet87908485858479787674706965654323I inletO outlet899286878786818078767271676745178043I inletO outlet848486848384808577807274656643163043I inletO outlet868791908587818679827475697045C ODI N GSupply withLPHW Heater& Cooling CoilCodeSupply withLPHW Heater &DX Cooling CoilCodeFLC(amps)SC(amps)CurveExtractCodeSupply withLPHW LD8.58.57ESBHEX7ESBHS7-LESBHS7-LCESBHS7-LD1111Flow valve setting.C ODI N GDX COIL DATACurveSupply withElectric Heater &DX Cooling CoilCodeSupply withElectric HeaterCodeSupply withElectric Heater& Cooling Coil FLCCode(amps)SC(amps)UnitSizeMax Air kWEvap. PDConnFlowRating temp through sizem3/sR407C deg C Coil ESBHS7-EDESBHS7-EESBHS7-EC861173.5685112x22&42odZ FAC TOR S FOR A N C I L L A R I E SCasing Module1234567UnitSizeFrost CoilsInOutCooling CoilsInOutHeating CoilsInOutSilencer10241201183.1231 BSP1 BSP1.25BSP1.25BSP1.25BSPDamper6125126.84.81.91.241 BSP1 BSP1.25BSP1.25BSP1.5BSP1.5BSPFrost coil LPHW1225023149.63.82.451.25BSP1.25BSP1.5BSP1.5BSP2 BSP2 BSPFrost coil electric1225023149.63.82.461.25BSP1.25BSP2 BSP2 BSP2 BSP2 BSPWeather cowl6125126.84.81.91.271.5BSP1.5BSP2 BSP2 BSP2 BSP2 BSPPlate heat exchanger61214811768481.912H or VFor wiring diagrams refer to pages 110.104029 2085 82001.25BSP
Nuaire AHU Layout 1 12/08/2011 10:30 Page 105A I R H A NDL I NG UNI TS ( A H U’S)EC O SMART B OXERTEC H NI C A L I NF O R MATI O NDIMENSIONS AND CONFIGURATIONSBLengthEcosmart BOXER size 3 - 7DI ME N S I ON S ( m m ) & W E I GH T S ( K G)ESBHEX*Size LWESBHS*L/E ESBHS*Heating & CoolingLWLWBCEFGH31200 1992400 4023000 52980080037340360035041200 2432400 4423000 5901000 80037353560045051200 2552400 4903000 6001000 1000 37353560045061500 3902700 7023300 8581300 1000 55747960050071500 5072700 9133300 1115 1300 1300 638638600500FCEHNB: Units are handed left hand side as standard. (L Length, W Weight).Right hand side is available on request.AirflowAirflowModel shown: size 7 (right hand with cooling coil).Model shown: size 7 (left hand with cooling coil).Model shown: size 7 (right hand with DX cooling coil).Model shown: size 7 (left hand with DX cooling coil).Model shown: size 7 (right hand supply with electric heater).Model shown: size 7 (left hand supply with electric heater).Download specification from www.nuaire.co.uk/specificationsGnuaire.co.uk105
Nuaire AHU Layout 1 12/08/2011 10:30 Page 106A I R H A NDL I NG UNI TS ( A H U’S)EC O SMA RT B OXERTEC H NI C A L I NF O R MATI O NECOSMART 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).).106029 2085 8200
Nuaire AHU Layout 1 12/08/2011 10:30 Page 107A I R H A NDL I NG UNI TS ( A H U’S)EC O SMART B OXERTEC H NI C A L I NF O R MATI O NECOSMART 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/specificationsnuaire.co.uk107
Nuaire AHU Layout 1 12/08/2011 10:30 Page 108A I R H A NDL I NG UNI TS ( A H U’S)EC O SMA RT B OXER C O I L S F O R L P H WECOSMART BOXER Size 1 and 2Air Volume Flow rate (m3/s)WaterHeat Air Offon/off Air 402 ROW0.6Water flowrate(l/s)0.5560.5140.4720.428Water dp(kPa)11.5108.67.3Heat Air OffOutputC(kW)C193617.639164214.8450.4Water flowrate(l/s)0.4240.3920.360.32Water dp(kPa)7.16.35.44.6Heat Air OffOutputC(kW)C10.84110449.2478.4500.2Water flowrate(l/s)0.2420.2240.2060.188Water 70.190.1615mmECOSMART BOXER Size 3Air Volume Flow rate (m3/s)WaterHeat Air Offon/off Air ion size80/60Connection sizeTEC H NI C A L I NF O R MATI O N2 ROW1.7Water flowrate(l/s)1.321.221.10.97Water dp(kPa)119.68.27Heat Air OffOutputC(kW)C54315035463841411.3Water flowrate(l/s)1.21.110.92Water dp(kPa)9.48.37.26.2Heat Air OffOutputC(kW)C46354338404136441Water flowrate(l/s)10.960.880.8Water 260.210.161.140.920.660.431”2 ROW2.1Water flowrate(l/s)2.11.91.781.62Water dp(kPa)12.911.39.88.4Heat Air OffOutputC(kW)C86367939734267451.8Water flowrate(l/s)1.91.771.631.48Water dp(kPa)119.78.57.3Heat Air OffOutputC(kW)C72396742614556481.4Water flowrate(l/s)1.61.481.361.24Water 0.360.291.351.070.810.58ECOSMART BOXER Size 6Air Volume Flow rate (m3/s)WaterHeat Air Offon/off Air 5”1.25”2 ROW3.9Water flowrate(l/s)3.53.22.92.6Water dp(kPa)11.810.49.17.9Heat Air OffOutputC(kW)C139351283811741106443Water flowrate(l/s)3.12.852.612.36Water dp(kPa)9.98.87.76.7Heat Air OffOutputC(kW)C106409843904681482Water flowrate(l/s)2.352.171.991.8Water .450.311.140.910.650.39ECOSMART BOXER Size 7Air Volume Flow rate (m3/s)WaterHeat Air Offon/off Air �2 ROW4.8Water flowrate(l/s)4.54.13.73.4Water dp(kPa)1311.29.88.4Heat Air OffOutputC(kW)C189341743715840143434.2Water flowrate(l/s)4.23.93.53.2Water dp(kPa)11.710.397.7Heat Air OffOutputC(kW)C166401534213945125473.2Water flowrate(l/s)3.73.43.12.8Connection sizeAir Volume Flow rate (m3/s)WaterHeat Air Offon/off Air OnOutputCCC(kW)C-394343873782/7198040157343Water .970.80.610.351.471.120.770.352”1.5”1.5”For further assistanceplease call Nuaire. Note:dp figures do not include3 port valve.Approximately doublethese figures when valvesare included.Connection sizeECOSMART BOXER Size 5Connection size80/602”1.5”1.5”*Please note: above tables are based on indicative selections. For more specific selection, contact Nuaire.108029 2085 8200
Nuaire AHU Layout 1 12/08/2011 10:30 Page 109A I R H A NDL I NG UNI TS ( A H U’S)EC O SMART B OXER A NC I L L A R I ESTEC H NI C A L I NF O R MATI O NSILENCER MODULESMOTORISED DAMPERSVERTICAL HEAT EXCHANGERSplitters are faced with perforated sheet linedto prevent particle migration and filled withhigh density mineral wool.Opposed blade design with quick fit flanges.240V Open/Shut model (B) for efficient backdraught protection and 24V modulatingversion (M) for balancing and control.A plate exchanger core assembly providingefficient heat transfer between supply andextract air streams. An integral drip tray isincorporated with a 22mm drain connection.The tray is insulated to prevent secondarycondensation.BBAAACBCCUnit CodeABCWeight (Kg)UnitAWeight ht (Kg)ESBHX1 10009541060150ESBHX2 11309541340180ESBHX3 12008001600210ESBHX4 140010001600263ESBHX5 220010002000360ESBHX6 220013002000440Also available: motor open/spring return option.Code: ESBD* MO/SR.ESBHX7 034Note: Dimensions B & C are to suit unit supplied.DYNAMIC ATTENUATION VALUES(at maximum velocity)Length125 250500 1K2K4K8K900681822201615FROST COIL LPHW & ELECTRICHORIZONTAL HEAT EXCHANGER12007112631302320600mm long section to suit unit size selected.For details contact Nuaire.Heat exchanger complete with integral droptray with a 22mm drain connection.Note: silencer cross sectional area matches theEcosmart Boxer unit.AWEATHER ROOF FOR ECOSMART BOXERBFor further information please contact Nuaire.CLengthWidthHeightABCWeight (Kg)ESBHX1H 17502000530150ESBHX2H 14252000670180ESBHX3H 12001600800200ESBHX4H 16252000800280ESBHX5H 200020001000360ESBHX6H 220026001000600ESBHX7H 220026001300594UnitExample of horizontalunit with weather kit.Example of stackedunit with weather kit.ESBBF2* - Available in a variety of lengths to suit unitsizes 1 - 7.BASE FRAMEZ FAC TOR S FOR A N C I L L A R I E SCasing 4.81.91.2Frost coil LPHW1225023149.63.82.4Frost coil electric1225023149.63.82.4Weather cowl6125126.84.81.91.2Plate heat exchanger61214811768481.912(Please contact Nuaire for further details).Provided as standard on sizes 3 - 7.Optional extras on sizes 1 and 2.80mmFor further ancillaries please refer to Ducting and Ancillaries section or call Nuaire.Download specification from www.nuaire.co.uk/specificationsnuaire.co.uk109
Nuaire AHU Layout 1 12/08/2011 10:30 Page 110A I R H A NDL I NG UNI TS ( A H U’S)EC O SMA RT B OXER W I R I NGTEC H NI C A L I NF O R MATI O NWIRING - ECOSMART BOXER SIZES 1 AND 2WIRING - ECOSMART BOXER SIZES 1 AND 2ESBHS1, ESBHS2, ESBHEX1 and ESBHEX2ESBHS1-L, ESBHS2-L, ESBHS1-LD and ESBHS-2LDBMS signalEcosmartNLSLMin25Fan 2Coolin gConnectionsto DamperFaultFrostFault signalRxON OFFHeat demandsignalRun signalFault signalNET connections forECOSMART devicesLNE230V 50Hz1ph mainsFan 1Max SL run onCooling Frostdemand TestRxNET connections forECOSMART devicesLNE230V 50Hz1ph mainsSignal forDX2 coilif fittedSignal forDX1 coilif fittedFan 2HeatingHEATDEMANDTestStandbyMinRETTxTricklePw rFAULT RUN1AUTOHEATER/COOLRun signalDPCLNHeatin g0EcosmartNL0V0-10VSLFAULT RUNHeat demandsignalMax SL run onBMS signal30Fan 1HEATDEMANDConnectionsto DamperPw dControllerRemove this link wire if:1. a switched live signal is connected.2. an ES-PIR, ES-TC or BMS signalis connected.Set air offtemperatureof LPHW coilDAMPERRemove this link wire if:1. a switched live signal is connected.2. an ES-PIR, ES-TC or BMS signalis connected.EarthESBHS1-E and ESBHS2-ERemove this link wire if:1. a switched live signal is connected.2. an ES-PIR, ES-TC or BMS signalis connected.SpeedControllerBMS signalNLDo not set temperatureabove 30 OCSLDPCLNConnectionsto DamperElectric heater control230V 50Hz1ph mainsLNETrickleTest0V0-10VPwrStandbyFan 1Fan 2HeatingCoolingFaultFrostTxRx5 6 7 8910 1112 13 14 15Connectionsto DamperL3L2Brown24 VacGreen0 - 10 VacWhi iteCommon(U)L1(V)(W)DPCLNRETThis contact isnot applicableto BMS modelsRun signalFault signalNET connections forECOSMART devicesEarthA13(V)45(W)6EarthMin0Max SL run on1TrickleTestTxTestRxNET connections forECOSMART devicesEarth0V0-10VPwrStandbyFan 1Fan 2HeatingCoolingFaultFrostTxRx24 Vac Warning: connect via safetyisolating transformer 1L3Y1 0.10V DCY2 0.20Vphase cutU 2.10V DC2 34 5L2L1N029 2085 8200FrostTrickleNET connections forECOSMART devices1(U)2A21101Actuator head, type Belimomodel SM24-SREcosmartNLSL12 13 14 15DAMPERFAULT RUN HEATDEMANDFault signal1FaultLNE230V 50Hz1ph mainsRemove this link wireL1 L2 L3 ECONTACTERThis contact isnot applicableto BMS modelsRun signal0Max SL run onEarthBMS signal for fan speedNote: Do not reverse thepolarity as it may causedamage to the circuitActuatorDPCLNRETDAMPERFAULT RUN HEATDEMANDConnectionsto DamperMinCooling0E400V 50Hz3ph N mainsTEcosmartNLSLL3L2L1NEFan 2HeatingTBMS signal for fan speedNote: Do not reverse thepolarity as it may causedamage to the circuitMax SL run onBMS MODES 3 TO 7Actuator head, type Honeywellmodel M7410E1028Remove this link wireFan 1HEATDEMANDFault signalSpeedControllerStandbyMinFAULT RUNRun signalWIRING - ECOSMART BOXER SIZES 3 - 7BMS MODES 1 AND 2Pw rRETHeat demandsignal400V 50Hz3ph N mainssupply for fanand heaterEcosmartDAMPERAdjustment for air offtemperature.0V0-10V Y1 Y2 USM24-SR
Nuaire AHU Layout 1 12/08/2011 10:30 Page 111A I R H A NDL I NG UNI TS ( A H U’S)EC O SMART B OXER W I R I NGTEC H NI C A L I NF O R MATI O NWIRING - ECOSMART BOXER SIZES 3 - 7ESBHS3-L,ESBHS4-L, ESBHS5-L, ESBHS6-L AND ESBHS7,ESBHS3-LD, ESBHS4-LD, ESBHS5-LD, ESBHS6-LD AND ESBHS7-LD0-10VEcosmartPw rL10 11NCoolin g1L3Run signalFault signal(U)(V)TrickleTest(W)7 8 910 11NHeat demandsignalL3Run signalL2(U)L1MaxSL run onFault signal(V) (W)Fan 2Heatin gCoolin gFaul t01FrostRET12 13 14 15RxFAULTL2L1TxRU N HEATDEMANDHeat demandsignal5 6FrostCLConnectionsto DamperFaul t0RET12 13 14 1512 13 14 15TxRUN HEATDEMAND7 8 9Fan 1MinDPTrickleTestRxNET connections for Ecosmart devicesNET connections for Ecosmart devicesA1CONTACTERCONTACTER5(W)63(V)4Set outlet airtemperatureof CW coolingcoil25A225GREENBROWNWHITE321Connect to LPHWactuator motorSM24motor set atposition A25Set outlet airtemperatureof LPHW coil5(W)62525Set air offtemperatureof LPHW coilA21(U)2303(V)4251(U)230A1305 6CLConnectionsto Damper12 13 14 15Pw rStandbyFan 2SL run onHeatin gDAMPERDPMaxEcosmartNSLFan 1Min0-10VLStandbySL0VBMS signalDAMPERNRemove this link wire if:1. a switched live signalis connected.2. an ES-PIR, ES-TC or BMSsignal is connected.L1 L2 L3 E0VBMS signalFAULTRemove this link wire if:1. a switched live signalis connected.2. an ES-PIR, ES-TC or BMSsignal is connected.L1 L2 L3 EWIRING - ECOSMART BOXER SIZES 3 - 7ESBHS3-LC, ESBHS4-LC, ESBHS5-LC, ESBHS6-LCAND ESBHS7-LCGREEN3BROWNA2WHITE1GREEN3BROWN2WHITE400V 50Hz3ph N mainsNEEarthFrostalarmsignalSignal forDX2 coilif fittedSignal forDX1 coilif fittedL1400V 50Hz3ph N mainsNEInlet Outletsensor sensorCoolingdemandsignalL2Connect to inletsensor after unitis signalSignal forDX2 coilif fittedSignal forDX1 coilif fitted1ON OFFL1L3AUTOHEATER/COOLL2EarthON OFFAUTOHEATER/COOLL3Connect to LPHWactuator motorSM24motor set atposition AAConnect to CW coilactuator motorSM24motor set atposition AAOutletsensorConnect to inletsensor after unitis assembledAESBHS3-E, ESBHS4-E, ESBHS5-E, ESBHS6-E AND ESBHS7-EESBHEX3, ESBHEX4, ESBHEX6 AND ESBHEX7ARemove this link wire if:1. a switched live signal is connected2. an ES-PIR, ES-TC or BMS signalis connected.0VBMS signalSLDPNRET(U)(V) (W )Heat demandsignalRun signalFault signalFrostTestL3Coolin gN(U)L1(V)Fault signal5L3(W )6L2L1NA2E400V 50Hz3ph N mains1TestRx1(U)23(V)4TAdjustment for air off temperature.Do not set temperature above 30OCNET connections forECOSMART devices5(W)6LINE 1LINE 2L1L2LINE 3EarthL3E400V 50Hz 3ph supply for heaterBA2L3L2L1NEDownload specification from SENSNET connections forECOSMART devicesEarth3(V)4Electric heater controlFault0(W)Run signal1 2Fan 2HeatingHeatdemandsignalL2SL run nsto DamperA11(U)2Fan 1MinFaul t1Heater over-temperature statStandbySL10 1112 13 14 15Coolin g0TxHEATDEMANDL25 6 7 8 9Heatin gRUNL3L1CLDAMPERConnectionsto DamperFan 2FAULT12 13 14 15Max SL run onPw rLFan 1Min10 11DAMPER9EcosmartN12 13 14 15400V 50Hz3ph N mainsMake connectionafter the unit hasbeen assembledNote: these controls are locatedin the electric heater sectionnuaire.co.uk111SensorStandbyHEATDEMAND7 8Make connectionafter the unit hasbeen assembledBMS signalPwrL5 6Remove this link wire if:1. a switched live signal is connected HTR2. an ES-PIR, ES-TC or BMS signal0Vis connected.0-10V0-10VEcosmartN12 13 14 15BL1 L2 L3 EFAULT RUNL1 L2 L3 E
Nuaire AHU Layout 1 12/08/2011 10:30 Page 112A I R H A NDL I NG UNI TS ( A H U’S)EC O SMA RT B OXER W I R I NGTEC H NI C A L I NF O R MATI O NECOSMART BOXER WITH CONSTANT PRESSURE CONTROLSAirflowD2D minSilencerFanHeaterFilterControlLocate Pressure Tapping hereEXTRACT FANS SIZE 1 AND 2SUPPLY FANS SIZE 1 AND 2Pressure SensorPressure SensorPressure setting potPressure setting potSet differentialPressureSet differentialPressureHigh LowMax SL run onConnectorMin0Pre-wired in factory tomain control PCB viaPVC Tubingconnector labelled 'P in'(supplied)To fan outlet,connectionto be madeon siteTo atmosphere throughfan casing1TricklePwrStandbyFan 1Fan 2HeatingCoolingFaultFrostTxRxTestEcosmartHigh Low0Pre-wired in factory tomain control PCB viaconnector labelled 'P in'Main control PCBTestMain control PCBEXTRACT FANS SIZE 3 AND ABOVEPressure setting potSet differentialPressureSet differentialPressureMax SL run onConnectorMin01TricklePwrStandbyFan 1Fan 2HeatingCoolingFaultFrostTxRxEcosmartInverterMax SL run on01TrickleTestPwrStandbyFan 1Fan 2HeatingCoolingFaultFrostTxRxTestMain control PCBMain control PCBTo fan outlet; connectionto be made on siteTo atmosphere throughfan casingMinConnectorEcosmartPre-wired in factory tomain control PCB viaconnector labelled 'P in'To atmosphere throughcontrol casingPre-wired in factory tomain control PCB viaconnector labelled 'P in'To fan inlet chamberLow HighLow HighPressure Sensor029 2085 82001TrickleTo fan inlet chamberPressure setting pot112Max SL run onPwrStandbyFan 1Fan 2HeatingCoolingFaultFrostTxRxTo atmosphere throughfan casingSUPPLY FANS SIZE 3 AND ABOVEInverterMinConnectorEcosmartPressure Sensor
Nuaire AHU Layout 1 12/08/2011 10:30 Page 113A I R H A NDL I NG UNI TS ( A H U’S)EC O SMART B OXER W I R I NGTEC H NI C A L I NF O R MATI O Ni There are no inrush starting currents quoted because the Ecosmart controlincorporates a soft starting speed control feature.ii. The inverters are preset to match the fan requirements. Under normalcircumstances it should not be necessary to adjust them.iii. Pay particular attention to the model type, recorded on the product ratingplate and connect as follows.ECOSMART BOXER FAN CONTROL ONLYPower requirementsModelFlc fanonly (1)BHSEX1FC, HSEX3FC, BHS3FC-L4.6A6.1ABHS4FC-E6.1ABHSEX5FC, BHS5FC-L7.8ABHS5FC-E7.8ABHSEX6FC, BHS6FC-L8.2ABHS6FC-E8.2ABHSEX7FC, BHS7FC-LBHS7FC-E1825A2433A2738ASIZES 1 AND 236Note: Inter connections between circuit boards are made in the factory.Remove this link wire if:1. a switched live signal is connected.2. A ES-PIR, ES-TC or BMS signal is connected.SpeedController50A0VBMS .4A54Fan 1MinDPConnectionsto Damper75ANRETHeat demandsignalNote: (1) Sizes 1 and 2 fans are rated at 230V ac, 50Hz single phase. All othersizes are rated at 400V ac 50 Hz 3 phase.(2) All electric heaters are rated at 400V ac 50 Hz 3 phase.MaxFan 2SL runonHeatingCoolingCLRun signalHEATDAMPERDEMAND4.6ABHSEX4FC, BHS4FC-LFlcheater (2)Fault01FrostTxTrickleTestRxFAULT RUNBHS3FC-EElectric heatermax KwFault signalNET connections forECOSMART devicesL230V 50Hz1ph mainsNEarthESIZES 3 TO 7TYPICAL ELECTRIC HEATER WIRINGNote: Inter connections between circuit boards and inverter/contactor are made in the factory.Connectover temperaturetrip to control circuitL1 L2 L3 ERemove this link wire if:1. a switched live signal is connected.2. A ES-PIR, ES-TC or BMS signalis connected.Bus bar clamp0VBMS signal12 13 14 15789L3L2Heat demandsignalMaxSL runonNFan 2HeatingCoolingCLRETFault01FrostTxTrickleTestRx(V) (W)Run signalFault signalL3FAULT RUN(U)Fan 1MinDPConnectionsto DamperL1StandbySL10 1112 13 14 15400V50Hz3 phasePwrLHEATDAMPERDEMAND5 6L2EcosmartNL10-10VA1ECONTACTERNET connections forECOSMART devices1(U)23(V)45(W)6EarthL3L2L1NA2Download specification from www.nuaire.co.uk/specifications400V 50Hz3ph N mainsEnuaire.co.uk113
Nuaire AHU Layout 1 12/08/2011 10:30 Page 114A I R H A NDL I NG UNI TS ( A H U’S)EC O SMA RT B OXERTEC H NI C A L I NF O R MATI O NCO NSULTA NT S SP E CI F I C ATIONECOSMART BOXER UNITS SIZE 3 TO 7AIR HANDLING UNIT SPECIFICATIONThe Air Handling Unit shall be configured and arranged as detailed on thedrawings and in accordance with the schedule of equipment. The units shall bemanufactured from a highly rigid pentapost framework with 25mm doubleskinned infill panels. The panels shall contain inert high density infill.Panel materials are heavy gauge Aluzinc corrosion resistant steel. The units shallprovide exceptional thermal and acoustic insertion. The general construction isto class A leakage.The fan impeller and motor shall be selected to provide the most energyefficient solution conforming to part L regulations and shall be direct or beltdrive with IE2 high efficiency motors to BS5000 as standard. The fan impellershall be a high efficiency forward or backward curved centrifugal design,manufactured in galvanised steel.The Fan unit shall have a 5 year warranty.The unit and ancillaries shall be of the Ecosmart Boxer type as manufactured byNuaire Ltd.All other components shall be in accordance with the
Ecosmart Boxer supply unit filter and heating coil Casing Code descriptions 1. Ecosmart Boxer range 2. S Supply EX Extract 3. Size 3 - 7 4. L Low Pressure hot water heater battery LC Low Pressure hot water heater battery and CHCW chilled water cooling coil LD Low Pressure hot water heater battery and DX cooling coil ED Electric .
