EMI WLH12-S1H2000_101 Heat Pump User Manual


 
Rome, New York, USAEnviromaster International LLC
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PART ONE “GENERAL”
TheheatpumpairconditioningsystemsshallbeanEMIAmericaSeriessplitsystem.Thesystemshallconsistof
ahighwallmountedpackagedevaporatorsectionModelWLH12andmatchingAmericaSeriesoutdoorunitModel
S1H2.TheunitsshallbemadewithinNorthAmerica.TheunitsshallbelistedbyIntertekTestingService(ITS)and
beartheETLlabel.AllwiringshallbeinaccordancewiththeNationalElectricalCode(N.E.C.).Theunitsshallberated
inaccordancewithARIStandard210/240andbeartheARIlabel.Theunitsshallbemanufacturedinafacilitycertied
toISO9001,whichisaninternationalstandardusedtoprovideguidanceinthedevelopmentandimplementationofan
effectiveQualityManagementSystem.ThecondensingunitshallcontainR-22refrigerantchargefortheevaporator
sectionandcondensersection.Thesystemefciencyshallmeetorexceed2006FederalStandards.
PART TWO “WARRANTY”
Theunitsshallhaveamanufacturer’swarrantyforaperiodof(1)yearfromdateofinstallation.Thecompressorshall
haveawarrantyof(5)yearsfromdateofinstallation.If,duringthisperiod,anypartshouldfailtofunctionproperlydue
todefectsinworkmanshipormaterial,itshallbereplacedorrepairedatthediscretionofEnviromasterInternational
LLC.Thiswarrantydoesnotincludelabor.ManufacturershallhavetwentyyearsexperienceintheU.S.market.
PART THREE “PERFORMANCE”
Eachindoorunitshallprovideattotalminimumcoolingcapacityof11,400BtuhwithaSEERof13.0andEERof11.5
atARIstandardconditions.Thesystemnetminimumtotalcoolingcapacityshallbe11,400Btuhandthenetminimum
sensiblecoolingcapacityshallbe8,760Btuhwithacirculatingairrateof400CFMat80°F(DB)/67°F(WB)entering
theindoorcoiland95°F(DB)airenteringtheoutdoorcoil.Thetotalpowerconsumptionofthecombinedsystemshall
notexceed992Wattsattheseconditions.Theindoorevaporatorshallhaveanairthrowof15feet.Thesystemshall
provideaheatingcapacityof10,600BtuhwithanHSPFof8.0andaCOPof3.4atARIstandardconditions.The
heatingcapacityat70°Findoorand17°Foutdoorshallbe6,200Btuh.
PART FOUR “INDOOR UNIT”
Theindoorunitshallbefactoryassembled,wiredandcontainalowVoltagetransformer.ThecabinetwillbeABS
plasticwithalightgraynishandhaveagalvanizedsteelsubchassis.Theevaporatorfanshallbeanassemblywith
lineowtangentialfandirectdrivenbyasinglemotor.Thefanshallbestaticallyanddynamicallybalancedandrunon
permanentlylubricatedbearings.Amotorizedlouvershallbeprovidedwiththeabilitytochangetheairowvertically.
Horizontal-manuallyadjustabledischargelouverswillbeprovidedthatcanbeplacedinaxedposition.Returnair
shallbelteredbymeansofawashable,reusablemeshlter.Theevaporatorcoilshallbeofnonferrousconstruction
withlouverednsbondedtoriedcoppertubing.Thetubingshallhaveinnergroovesforhighefciencyheatex-
change.Alltubejointsshallbebrazedwithphoscopperorsilveralloy.Thecoilshallbepressuretestedatthefactory.
Acondensatemanagementsystemwithover ow protection,condensatedrainpanwithanti-corrosioncoatingand
drainshallbeprovidedunderthecoil.Systemrefrigerantowshallbecontrolledbymeansofanoricepistoninthe
indoorunit.Theunitelectricalpowershallbe208/230or115Volts,1phase,60Hertz.Thesystemshallbecapableof
satisfactoryoperationwithintheVoltagelimitsof208/230or115+/-10%Volts.
PART FIVE “CONTROL SYSTEM”
Thecontrolsystemshallconsistofauniversal unit mounted, infrared compatible control package, congurable to
either unit mount or optional wall thermostat operation.Interconnectedlowvoltagewiringshallrunfromindoorunit
tooutdoorunitdirect,nosplices.Whenrunninglowvoltagewiringadoubleinsulated,18gagecableismandatoryor
useshieldedcable.Themicroprocessorshallbefactorywiredandlocatedwithintheindoorunit.Thecontrolunitwill
havealargeLCDbacklitdisplayandbecongurabletoeitherunitmountorremotewallthermostatoperation.Unit
mount-controloperationallowstheuseofanoptionalIRhandheldcontroller.Thecontrolshallhavethecapability
ofsensingreturnairtemperatureandindoorcoiltemperature.Theoperationalrangewillhaveadjustablesetpoints
from55°Fto90°Finonedegreeincrements.Theuniversalcontrolcanbeusedincoolingonly,coolingwithoptional
electricheat,heatpumporheatpumpwithoptionalsecondstageelectricheat.Operationmodesinclude,cool,heat,
fan,autochangeoveranddry.Fanoperationofauto(cycling),highandlow(constant),autofanoperationautomati-
callyselectsfanspeedaccordingtoheatingorcoolingdemand.Drymodeoperatescoolingandoptionalelectricheat
simultaneouslytoremovehumidity(optionalelectricheatrequired).Testmodeallowsforeaseoftestingafterinstal-
lation(alltimersareeliminated).Roomairsampling(fanautomode)cyclesthefanonperiodicallytoremovetem-
peraturestratication.Fanpurgerunstheindoorfanfor60secondsaftercallisdroppedforcool/heat,improvingunit
efciency.Unitprotectionfeaturesinclude,antishortcyclingcompressorprotection,minimumcompressorruntime,
freezeprotectiontopreventevaporatorfreeze,lterchangeindicator,condensatepanoverowswitch,andintegral
EMI ENGINEERING SUBMITTAL WLH12-S1H2000_101