Carrier 40qnc018243 Manual

							  
40QNC018-036 
CoolingOnly 
40QNQ018-036 
HeatPump 
Duct-FreeFanCoilUnits 
Installation,Start-Upand 
ServiceInstructions 
CONTENTS 
Page 
SAFETYCONSIDERATIONS......................1 
GENERAL........................................l 
INSTALLATION................................1-13 
Step1--CompletePre-lnstallationChecks......l 
iUNPACKUNITS 
iINSPECTSHIPMENT 
fCONSIDERSYSTEMREQUIREMENTS 
Step2--MountUnit.............................5 
Step3--CompleteRefrigerantPiping 
Connections...................................5 
iREARPIPING 
iSIDEORBOTTOMPIPING 
iROUTINGTHEDRAINHOSEANDREFRIGERANT 
PIPING 
iINSTALLINGTHEINDOORUNITBODYTOTHE 
WALLHANGINGBRACKET 
iOUTDOORUNITS 
iMAKEPIPINGSWEATCONNECTIONS 
iAIRPURGINGANDLEAKTEST 
Step4--MakeElectricalConnections...........8 
START-UP.......................................13 
SERVICE........................................14 
TROUBLESHOOTING..........................14,15 
SAFETYCONSIDERATIONS 
Installingandservicingair-conditioningequipmentcanbe 
hazardousduetosystempressureandelectricalcomponents. 
Onlytrainedandqualifiedservicepersonnelshouldinstallor 
serviceair-conditioningequipment. 
Untrainedpersonnelcanperformbasicmaintenance,such 
ascleaningandreplacingfilters.Allotheroperationsshouldbe 
pertbnnedbytrainedservicepersonnel.Whenworkingonair 
conditioningequipment,observesafetyprecautionsinlitera- 
ture,tags,andlabelsattachedtounit. 
Followallsafetycodes.Wearsafetyglassesandwork 
gloves.Usequenchingclothforbrazingoperations.Havefire 
extinmlisheravailable.Readtheseinstructionsthom,Lghly. 
ConsultlocalbuildingcodesandtheNationalElectricalCode 
(NEC)forspecialinstallationrequirements. Beforeinstallingorservicingsystem,alwaysturnoffmain 
powertosystem.Theremaybemorethanonedisconnect 
switch.Turnoffaccessoryheaterpowerifapplicable.Elec- 
tricalshockcancauseseriouspersonalinjury. 
GENERAL 
ThissystemusesR-410A,whichMshigherpressuresthan 
R-22andotherrefiigerants.Nootherrefrigerantmaybe 
usedinthissystem.AllequipmentmustbedesiNledto 
handleR-410Aretiigerant.Ifunsureaboutequipment,con- 
sulttheequipmentmanufacturer. 
Theseinstructionscovertheinstallation,start-upand 
serviceofcoolingonlyandheatpumpduct-fieesystems. 
INSTALLATION 
Step1--CompletePre-lnstallationChecks 
UNPACKUNITS(SeeFig.1)6Movetheunittofinalloca- 
tion.Relnoveunitfiomcarton,beingcarefulnottodamage 
servicevalvesandmiltes.SeeTable1Atbrinstallationmateri- 
alsincludedinshipmentandseeTable1Bforfield-supplied 
materialsneededtocompletetheinstallation. 
Fig.1--40QNC,QNQUnits 
Manufacturerreservestherighttodiscontinue,orchangeatanytime,specificationsordesignswithoutnoticeandwithoutincurringobligations. 
CatalogNo.02-40QN0001-SIPrintedinU,S.A.Form40QN-SSIPg13-06Replaces:New  
						

							  
Table1A--InstallationMaterials--IncludedInShipment 
WallHangingBracket 
Screws,4xL10 
Screws,5xL25 
WirelessRemoteControl 
MountingBracket DESCRIPTIONQTYUSAGE 
5/14 Forindoorunitinstallation. 
Foraffixingunitandhangingbracket. 
Forwallhangingbracketinstallation. 
Forwirelessremotecontrolmountingbracketinstallation. 
Forwirelessremotecontrolinstallation. 
40QNC01824,40QNQ018,024:5 
40QNC,QNQ030,036:14 
Table1B--InstallationMaterials--Field-Supplied 
NAMESPECIFICATIONS 
Liquidline:3/8in.(40QNC,QNQ018-036) 
MixedPhaseline:5/8in.(40QNC01824and40QNQ018,024),3/4in.(40QNC,QNQ030,036) 
PVCFilm 
5/8in.(40QNC01824and40QNQ018,024)3/4in.(40QNC,QNQ030,036) 
AWG14orhigher 
CableType:AWG14syntheticrubberinsulationwithNeoprenecoating,accordingtoNEC 
codes.  ConnectionPipe(nominalcapacity) 
WallSleeve 
WallCap 
FinishingTape 
FasteningTape 
PipeInsulation 
DrainHose 
SealerPutty 
PowerSupplyCable 
ElectricalConnectingCableBetween 
IndoorandOutdoorUnit 
LEGEND 
AWG--AmericanWireGauge 
NEC--NationalElectricalCode  
						

							  
INSPECTSHIPMENT6Fileaclaimwiththeshipping 
companyifshipmentisdmnagedorincomplete.Checktheunit 
nameplatetoensureunitmatchesthejobrequirelnents. 
CONSIDERSYSTEMREQUIREMENTSdConsultlocal 
buildingcodesandNECtbrspecialinstallationrequirelnents. 
Useonlydesignatedindoorunitswithoutdoorunits.See 
Tables2and3. 
Table2--MatchingIndoorUnitstoOutdoorUnits 
OUTDOORUNIT 
38HDF018 
38HDF024 
38HDF030 
38HDF036 
38QRFO18 
38QRF024 
38QRF030 
38QRF036 COOLINGONLYOR 
HEATPUMP 
CoolingOnly 
CoolingOnly 
CoolingOnly 
CoolingOnly 
HeatPump 
HeatPump 
HeatPump 
HeatPump INDOORUNIT 
40QNC01824 
40QNC01824 
40QNC030 
40QNC036 
40QNQ018 
40QNQ024 
40QNQ030 
40QNQ036 SeeFig.2forunitdimensions.Allowsufficientspacefor 
airflowcleaxance,wiring,reli-igerantpiping,midservicing 
units.SeeFig.3. 
Avoidmountingtheunitinareasthatare: 
Yexposedtodirectsunlight 
ftooclosetoheatsomces 
ftooclosetohumidconditions 
flocatedinanareawithoilyambientconditions. 
=A 
f 
40QNC,QNQ 
Fig.2--UnitDimensions 40QNC,QNQ40QNC,QNQ 
018-024030,036 
DIMENSIONSDIMENSIONS 
(in.)(in.) 
A42.557.5 
B11.613.4 
C7.99.5 
ITIIR. 4in.  rain. 
80in. 
rain. f rain. 
--_,,3 
\ 
m 
40QNC,QNQUNITS 
Fig.3--UnitClearances  
						

							  
Table3--PhysicalData 
018024030036 
18,00024,00030,00036,000 
31315151 
5.4/5.27.9/7.98.8/9.213.0/12.8 
R-410A 
AccuratorPistonatOutdoorUnit 
AccuratorPistonatOutdoorUnit 
6.0I6.3I7.4I10.6 
1335/6451335/6451030/7301200/900 
1120/5251120/525930/6301050/750 
1000/4601000/460830/530900/600 
64647474 
1...4.0x33.71...4.0x33.72...4.2x23.52...4.2x23.5 
3.03.04.94.9 
2222 
16/1616/2018/1818/18 
5599 
2...12.5x16.112,..12,5x16.113..,17.3x16.113..,17.3x16.1 
ManualIManualIAutomaticIAutomatic  AutomaticAutomaticAutomaticAutomatic  SYSTEMSIZE 
NOMINALCAPACITY(Btuh) 
OPERATINGWEIGHT(Ib) 
MOISTUREREMOVALRATE 
(Pints/hr)(40QNC/QNQ) 
REFRIGERANT 
Type 
ControlDevice(Cooling) 
ControlDevice(Heating) 
FactoryCharge(Ib)* 
INDOORFAN 
Rpm/Cfm(High) 
Rpm/Cfm(Med) 
Rpm/Cfm(Low) 
MotorWatts 
BlowersQuantity...Size 
INDOORCOIL 
FaceArea(sqft) 
No.Rows 
FPI(40QNC/QNQ) 
Circuits 
FILTERS 
Quantity...Size(in.) 
AIRSWEEP 
Horizontal 
Vertical 
OPERATINGLIMITS 
Heating(MiniMax) 
Cooling(MiniMax) 
CONTROLS 
RemoteControllerOptions 
Diagnostics 
DefrostMethod 
TimerMode 
WarmStartFeature 
TestMode 
FreezeProtection 
DehumidificationMode 
FanMode 
AutoChangeover 
AutoRestart 
ControlVoltage 
SystemVoltage 
REFRIGERANTLINES 
ConnectionType 
MixedPhaseLine(in.)OD 
VaporLine(in.)OD 
MaxLength(ft) 
MaxLift(Fancoilabove)(ft) 
MaxDrop(Fancoilbelow)(ft) 
CONDENSATEDRAIN 
Size(in.) 
LEGEND 
db--drybulb 
FPI--FinsPerInch 
ID--InternalDiameter 
wb--wetbulb --/81Fdb 
59Fwb,70Fdb/74Fwb,90Fdb 
IntegratedMicroprocessor 
Wireless,CRC,CZM 
Yes 
DemandDefrost 
Yes 
Yes 
Yes 
Yes 
Yes 
Yes 
Yes 
Yes 
24v 
208/230 
Flare 
3/613/613/613/6 
5/85/83/43/4 
200 
60 
60 
5/80D,7/16IDI5/80D,7/1GIDI3/40D,5/9IDI3/40D,5/9ID 
*Factorychargeisbasedon25ftofinterconnectingline.  
						

							  
Step2--MountUnit--Beforemountingthe40QNC, 
QNQunitonthewallwithawalthangingbracket,consider 
howtheunitwillbeconnectedtothereliigerantpiping.The 
indoorunitcanbeconnectedinfourways.RefertoFig.4tbr 
connectionoptions.Whenthepipingisconnectedtopoints1,2 
or4,relnovethekalockouteitheratthesideoratthebottomof 
theunit. 
TheiMoorunitsaremountedonthewaltwithawallhang- 
ingbracket.Positionthewallhangingbracketsothatitistlush 
withthe,a_all.SeeFig.5forserviceclearances.SeeFig.6for 
waltbracketdimensions. 
Completethetbllowingwheninstallingthewallhanging 
bracket: 
1.Beforeinstallingthewallhangingbrackettothewall, 
relnoveittiolntheindoorunitbypushingattheiMicated 
pressurepointsatthebottomoftheunit. 
2.Installthewalthangingbracketinalocationthatisstrong 
enoughtowithstandtheweightoftheunit. 
3.Installthewalthangingbracketsothatitislevel.Usea 
plumblineifnecessary.SeeFig.5. 
NOTE:Besurethatthewallhangingbracketislevel.Ifthe 
wallhangingbracketisnotlevel,waterwiltleaktiomthe 
indoorunit. 
4.Fastenthewallhangingbrackettothewallwith4or 
morescrewanchorsthioughtheholesneartheouteredge 
ofthebracket. 
5.Installthewallhangingbrackettlushtothewall,and 
ensurethebracketdoesnotmove. 
6.Iftheunitisrelnovedtiomthewallhangingbracketafter 
installingitonthewalt,relnoveitbypushinguponthe 
indicatedmarksatthebottolnoftheunitbody. 
Step3--CompleteRefrigerantPipingCon- 
nections--Whenrunningthepipingforindoorunitsthe 
pipingcanbeconnectedasrearpipingoisideoibottoln 
piping.RefertoFig.4. 
REARPIPINGdRoutethepipingbehindtheindoorunitso 
thatthepipingisconcealedbytheunit.Forrearpipinginstalla- 
tion,drilla21/2in.diameterholeinthewaltatpointAorBin 
Fig.6.Drilltheholeataslopesothattheoutsideendislower 
(1/4in.to1/2in.)thantheinsideendtoensureoptimaldrainage. 
RefertoFig.7.Passthepipethroughthehole. 
SIDEORBOTTOMPIPINGdRelnovethekalockoutinthe 
unitandpassthepipingthroughthewall.Thepipeshould 
slopedownwardandawaytiomtheunittoensureoptimal 
drainage. 5in.rain. 
i°:7°i 
Plumbline 
1 
_Screw 
Fig.5--InstallingtheWallBracket 
2.1 35.4 
2.814.9__5 
_.o_° 
40QNC01824,40QNQ018,024 
4oo,,,e.o,,,oo3o,o3oI, 
Fig.6--WallBracketDimensions 
v@ 
J 
@ 
Fig.4--IndoorUnitPipingConfigurations ROUTINGTHEDRAINHOSEANDREFRIGERANT 
PIPING6Thedrainhoseanddraincapareassembledas 
showninFig.8inthefactory.Todoright-side(O),right- 
bottom((2))orright-back(®)pipinginFig.4drawthedrain 
hosetoright-sidepipingdirection.(Itisnotalwaysnecessary 
toexchangethelocationofdrainhoseanddraincap.) 
1.Tietogetherthereliigerantpiping,thedrainhose,andthe 
electricalconnectionwire. 
2.Routetherefrigerantpipingintherequireddirection,and 
bendcarefullyavoidingpipedetbnnation. 
3.Bindthedrainhoseandtheelectricalconnectionwire 
togetherwiththsteningtape. 
4.Thedrainhoseshouldbeatthebottom.SeeFig.9and10. 
5.Forleft-handpiping,titthepipesandthewiringintothe 
recessatthebackoftheunit.  
						

							  
0Outdoorside 
DrillatSlope[0oi 
\1ooo! 
0o0o 
,...,.,,_A--_.........o O_._.O_t/4oto1/2in.lower 
Fig.7--PlacementofConnectionPiping 
Fig.8--LocationofDrainHoseandCap _)@Indoorunitpiping 
@Connectionwiring 
@Drainhose 
Fig.10--LocationofPiping,HoseandWiring 
OUTDOORUNITS6Outdoorunitsmaybeconnectedto 
indoorunitsusingfield-suppliedrobingofretiigerantgrade 
andcondition.SeeTable3tbrcorrectlinesizes.Donotuseless 
than10ftofinterconnectingrobing. 
® 
@Indoorunitpiping 
@Left-handpiping 
@Bindwithfasteningtape 
@Drainhose 
@Connectionwire 
Fig.9--LocationofPiping 
INSTALLINGTHEINDOORUNITBODYTOTHE 
WALLHANGINGBRACKET 
1.Passthepipesthroughthewaltsleevemidthenhookthe 
indoorunitbodyontopofthewallhangingbracket. 
2.Forleft-handpiping,hangtheunitontopofthewall 
hmlgingbracketandinclinetheunitusingatootsuchasa 
screwdriversetbetweenthemiddleareaofthebodymid 
bottomrightofthewalthangingbracket.Connectingthe 
pipecanbedonemoreeasilyiftheunitisinclined. 
3.Fixthebottompartoftheunittothewalthangingbracket 
bypushingitcarethltyuntilthetwobrackethooksfitinto 
themarkedplacesatthebaseoftheunituntilitsnapsinto 
place.RefertoFg.11. 
NOTE: 
fDonotcrushorkinktheindoorpiping.Avoidsharpbends 
withabendradiusoflessthan4inches. 
fDonotoverbendthesanepartofthepipelfequently. 
fDonotremovetheflarenutfiomtheindoorunitpipeuntil 
thepipingisconnected. DONOTBURYMORETHAN36IN.OFREFRIGER- 
ANTPIPEINTHEGROUND.Ifanysectionofpipeis 
buried,theremustbea6-in.verticalrisetothevalve 
connectionsontheoutdoorunit.Ifmorethanthe 
recolrnnendedlengthisburied,refiigermltmaymigrateto 
cooler,buriedsectionduringextendedperiodsofsystem 
shutdown.Thiscausesreti-igerantsluggingmidcould 
possiblydaanagethecompressoratstart-up. 
NOTE:Bothmb:edphaseandvaporrefiigerantlinesmustbe 
insulated. 
Ifeitherretiigeranttubingorindoorcoilisexposedtothe 
annosphere,thesystemmustbeevacuatedfollc_vinggood 
reli-igerationpractices. 
Runrefiigeranttubesasdirectlyaspossible,avoiding 
unnecessaryturnsaaldbends.Suspendrefi-igeranttubessothey 
donotdamageinsulationonvaportubeanddonottransmit 
vibrationtostructure.Also,whenpassingretiigermltrobes 
throu_lawall,sealtheopeningsothatvibrationisnottrans- 
mittedtostructure.Leavesomeslackinreiiigerantrobes 
betweenstructuremidoutdoorunittoabsorbvibration. 
MAKEPIPINGSWEATCONNECTIONS6Removeplas- 
ticcapstiomliquidandsuctionsen:icevalves.Userefi-igerant 
gradetubing. 
Positiontubeenddownwardandcutthetubetotherequest- 
edlength.Removetheburrswithareamer.SeeFig.12. 
NOTE:Oilinthecompressorisextremelysusceptibletomois- 
tureabsorption.Keependsofrobingsealedduringinstallation. 
Removeflarenutstiomtheunitconnectionsandplacethem 
ontherobeend.Flaretherobewiththeflaringtool.Theflare 
endmustnothaveaalyburrsorimperfections.Thelengthofthe 
flaredwallsmustbeuniibnn.SeeFig.13.  
						

							  
Wall 
Hanging 
BracketHook 
Hole DIMENSION 
UNITSIZE 
B 
40QNC0182410.6 
40QNC03012.2 
40QN003612.2 
40QNQ01810.6 
40QNQ02410.6 
40QNQ03012.2 
40QNQ03612.2 
RetainerRetainer 
o\f ? 
Fig.11--WallHangingDetails 
Fig.12--RemovingBurrs 
I Lubricatetherobeendandthreadoftheflarefittingwith 
antitieezeoil.Tightenthefittingseveralturns,thenti_ltenit 
fullywithtwowrenchesbyapplyingthetighteningtorqueindi- 
catedinTable4andFig.14. 
Insufficienttighteningtorquewillcausegasleaks.Over- 
ti_lteningthefittingswilldamagethetubetlaringand 
causegasleaks.Equipmentdamageandpersonalinjury 
mayresult. 
AIRPURGINGANDLEAKTESTdOnlyuseavacuum 
pumptopuNeairfiomthepiping.RefertoFig.15. 
I 
IMPORTANT:Donotusethesystemcompressorasa[ 
I  vacuulrlpulrlp. 
I 
IMPORTANT:Donotusetheunitrefiigerantgastopurge[ 
theconnectingpipes. 
I 
Relnovethecapsfiolnthevalves.Createavacuumwitha 
vacuulnpumpconnectedtotheselwiceconnectionofthe 
suctionshut-off(gas),asshown,keepingtheshutoffvalves 
colnpletelyshutuntila50Pavacuumhasbeenreached. 
Openthemixedphasevalvefor3seconds,thenquickly 
shutittocheckforpossibleleaks. 
Replacecapsandcheckforleaksusingaleakdetector 
specificforR-410Arefi-igerant. 
Aftertheleaktest,fullyopenthetbaee-wayvalves. 
Table4--TighteningTorque 
VALVESIZEFLARENUT(in.-Ib) 
3/8in.372 
5/8in.487 
3/4in.885 
® 
@Adjustablewrenchortorquewrench 
@Outdoorend 
@Indoorend ® 
Fig.14--TighteningConnections 
Fig.13--FlaredWallsareEqual  
						

							  
@Three-wayvalve(mixed-phase)@Flarenut 
@Needlevalve@Liquidline(smalldiameter) 
@Valvecap@Mixed-phaseline(largediameter) 
@Valveneedle@Indoorunit 
@Allen(hex.head)wrench@Outdoorunit 
@Two-wayvalve(liquid)@Vacuumpump 
Fig.15--AirPurging 
Step4--MakeElectricalConnections 
Unitcabinetmusthaveanuninterrupted,unbrokenelectri- 
calmoundtominilnizethepossibilityofpersonalinjuryif 
anelectricalfaultshouldoccur.Thisgroundmayconsistof 
electricalwireconnectedtounitgroundlugincontrolcom- 
partment,orconduitapprovedforelectricalmoundwhen 
installedinaccordancewithNEC,andlocalelectrical 
codes.Failuretotbtlowthiswarningcouldresultinthe 
installerbeingliableforthepersonalinjuryofothers. 
Unitfailureasaresultofoperationonimproperline 
voltageorexcessivephaseimbalanceconstitutesabuseand 
maycausedamagetoelectricalcomponents.Suchopera- 
tionwouldinvalidateanyapplicableCarrierwarranty. Beforeperformingseiwiceormaintenance,besuremain 
powerswitchisturnedOFFandindoorblowerandoutdoor 
tanhavestopped.Failuretodosomayresultinelectrical 
shockorinjurytiomrotatingtanblades. 
POWERWIRING(Fig.16-19)dUnitisthctorywiredfor 
voltageshownonnmneptate.Provideadequate,fuseddiscon- 
nectswitchwithinsightofunit,readilyaccessible,butoutof 
rea&ofchildren.Provisiontbrlockingtheswitchopen(oil)is 
advisabletopreventpowerfiombeingturnedonwhileunitis 
beingseaTiced.Disconnectswitch,fuses,andfieldwiringmust 
complywiththeNECandlocalcoderequirelnents.Usecopper 
wireonlybetweenthedisconnectswitchandunit.Usemini- 
mum60Cwireforthefieldpowerconnection. 
Openthefancoilcontrolboxpanelandconnecttheindoor 
andoutdoorunits.Connectthewiresthroughtheterminalsas 
shownontheunitlabeldiagamandinFig.16-19andTable5. 
UnitmustbegrouMed.  
						

							  
I__._I 
I|z_I 
i 
I 
YELYEL STEPMOTORDRIVE 
2 
l  I.R.REMOTE_DISPLAY 
il 23 so7 
I 
0 THERMISTOREQUIVALENCE 
TEMPERATURERES]STANCE 
°F°Co 
8535B,500 
722211,400 
32032,500 
ALLTHERMISTORSAREIDENTICAL 
i 
°Yo 
N 
LEDBOARD]RCONJlO 
_]X,MODULAR_A_ 
CONTROL1PCB 24V 
COMPR 
TB3 
TOUNITD[5CONNECT 
EQUIP.GND  LEGEND _GRN/YEL 
TERMINAL[MARKED) 
0TERMINAL[UNMARKED) 
_PLICE  TERMINALBLOCK 
FACTORYWIRING 
FIELDCONTROLWIRING 
FIELDPOWERWIRING 
ACCESSORYOR 
OPTIONALWIRING 
IPCBMAINCONTROLPRINTED 
CIRCUITBOARD 
STMLOUVERSTEPPERMOTOR 
TPTESTPOINT 
TRANTRANSFORMER 400NC01824HIGHWALL 
38HDFOUTDOORCONDENSER 
YELBLK 
I 
_BLK_ 
OFR 
TRAN _OUTDOOR  BLK_2__UNIT 
DISCONNECT 
i 
E_ 
E_ 
ED 
BLU_TOHIGHWALLY 
W/PNK 
TOHIGHWALLR 
TB__2L 
Fig.16--40QNC01824Matchedwith38HDFTypicalWiringSchematic Jl 
J  
						

							  
Im 
YELYEL 
CONTACTOR 
CAPCAPACITOR 
CHCRANKCASEHEATER 
COMPCOMPRESSOR 
CHSCRANKCASEHEATERSWITCH 
OFTDEFROSTTHERMOSTAT 
FCFANCAPACITOR 
EQUIPGND.EQUIPMENTGROUND 
HPSHIGHPRESSURESWITCH 
IDFMINDOORFANMOTOR 
LLPSLIQUIDLOWPRESSURESWITCH 
OASOUTDOORAIRSENSOR 
OFMOUTDOORFANMOTOR 
OFROUTDOORFANRELAY 
OLOVERLOAD 
IPCBMAINCONTROL 
PRINTEDCIRCUITBOARD 
RVSREVERSINGVALVESDLENOIO 
5TMLOUVERSTEPPERMOTOR 
TPTESTPOINT 
TRANTRANSFORMER ,,I_ 
i 
z 
LEGEND 
TERMINAL(MARKED) 
0TERMINAL(UNMARKEO) 
SPLICE 
TERMINALBLOCK 
FACTORYWIR[NG 
FIELDCONTROLWIRING 
FIELDPOWERWIRING 
ACCESSORYOR 
OPTIONALWIRING LEDBOARD 
I J 
STEPMOTORDRIVE 
I.R.REMOTE_DISPLAY# 
/ 
45672E 
I 
D 
[RCOMJlO 
MODULAR_A_ 
CONTROLIPCB 
_GRN/YEL_ 
54321EQUIP,GND 
_mm_ 
400N8018024NIGNWALL THERMISTOREQUIVALENCE 
TEMPERATURERES[STANCE 
°F°Cu 
95355,500 
722211,400 
32032,SO0 
ALLTHERMISTORSAREIDENTICAL 
lBYINTERNALTHERMALOVERLOADS. 
4.TRANSFORMERHASINTERNAL2ATHERMALFUSEON 
THEPRIMARY£1DE 
5.COMPRESSORCRANCKCASEHEATERINSTALLEO 
ON538QNF030. 
TBB 
38QRFOUTDOORCONDENSER 
I........_I.OTEs 
YEL__-LOHCHSyI 
LvCOMPBLKRED 
BRN__ 
AP 
GR__BLK 
OFR 
TRAN _TO  OUTDOOR 
_I,_IUNIT 
DISCONNECT 
m 
_TOHIGHWALLB  TOHIGHWALLA 
O_FTOBLK_TOHIGHWALLDT 
TOHIGHWALLG 
BLU_TOHIGHWALLY 
W/PNK 
TOHIGHWALLRJ 
RVS{_]V_]V_]V_sBLK_TOHIGHWALL0 
TB_ 
Fig.17--40QNQ018,024Matchedwith38QRFTypicalWiringSchematic J 
10