Aprilaire 61000652C 8400 Tstat Thermostat User Manual

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8
400 Series Thermostats  
Safety &  
Installation  
Instructions  
READ AND SAVE THESE INSTRUCTIONS  
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TAblE Of CONTENTS  
INSTAllATION  
Installation location recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Outdoor temperature sensor (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Thermostat mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
Power & reset options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
Wiring terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
Wiring diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
SETUp & TESTINg  
System setup instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
System test mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16  
REfERENCES  
Quick reference to controls & display  
•ꢀNon-programmableꢀmodelsꢀ(8444,ꢀ8446,ꢀ8448) . . . . . . . . . . . . . . . . . . . . . . . . . . 22  
•ꢀProgrammableꢀmodelsꢀ(8463,ꢀ8465,ꢀ8466) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23  
Thermostat features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24  
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27  
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Thermostatꢀcanꢀbeꢀmountedꢀtoꢀaꢀverticalꢀjunctionꢀbox.  
                                                 
                                                 
INSTAllATION  
INSTAllATION lOCATION RECOꢀꢀENDATIONS  
Thermostat shouꢁd ꢂe mounted:  
Do not mount thermostat:  
•ꢀ  
•ꢀ  
•ꢀ  
•ꢀ  
Onꢀanꢀinteriorꢀwall,ꢀinꢀaꢀfrequentlyꢀoccupiedꢀspace.  
Approximatelyꢀ5‘ꢀaboveꢀfloor.  
•ꢀ  
•ꢀ  
appliancesꢀthatꢀgiveꢀoffꢀheat.  
Atꢀleastꢀ18”ꢀfromꢀoutsideꢀwall.  
•ꢀ  
outside doors  
3
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WhenꢀtheꢀoutdoorꢀtemperatureꢀisꢀhigherꢀthanꢀtheꢀHighꢀ  
BalanceꢀPoint,ꢀtheꢀauxiliaryꢀheatingꢀwillꢀbeꢀlockedꢀoutꢀ  
andꢀonlyꢀtheꢀheatꢀpumpꢀwillꢀbeꢀusedꢀtoꢀprovideꢀheating.  
                                                 
INSTAllATION  
OUTDOOR TEꢀpERATURE SENSOR (OpTIONAl)  
Outdoorꢀtemperatureꢀcanꢀbeꢀmeasuredꢀbyꢀattachingꢀanꢀ  
•ꢀInstallꢀonꢀsideꢀofꢀbuildingꢀoutꢀofꢀdirectꢀsunlightꢀ  
8
#
052ꢀsensorꢀtoꢀtheꢀS1ꢀandꢀS2ꢀterminals.ꢀSystemꢀsettingꢀ  
05ꢀ(Remoteꢀsensor)ꢀisꢀusedꢀtoꢀenableꢀsensor.ꢀ  
(north side recommended)  
Heat pump models can use the outdoor temperature to  
effectivelyꢀutilizeꢀtheꢀheatꢀpump:  
condensing lines  
WhenꢀtheꢀoutdoorꢀtemperatureꢀisꢀlessꢀthanꢀtheꢀLowꢀ  
BalanceꢀPoint,ꢀtheꢀheatꢀpumpꢀwillꢀbeꢀlockedꢀoutꢀandꢀ  
onlyꢀauxiliaryꢀheatingꢀwillꢀbeꢀused.ꢀ  
RC  
R
W
Y
G
C S1 S2 O/B  
L W2 Y2  
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Sealꢀwireꢀentryꢀholesꢀtoꢀpreventꢀdraftsꢀaffectingꢀ  
            
INSTAllATION  
THERꢀOSTAT ꢀOUNTINg  
pOwER & RESET OpTIONS  
Theꢀthermostatꢀisꢀdualꢀpower.ꢀItꢀcanꢀeitherꢀbeꢀACꢀorꢀ  
batteryꢀpowered,ꢀorꢀbothꢀ(toꢀprovideꢀbackupꢀpowerꢀforꢀ  
theꢀclock).ꢀBatteriesꢀareꢀoptionalꢀifꢀtheꢀthermostatꢀwasꢀ  
connectedꢀtoꢀACꢀpowerꢀwhenꢀinstalled.  
Forꢀheatꢀpumpꢀmodelsꢀ(8446,ꢀ8448HP,ꢀ8465,ꢀ8466HP)ꢀ  
2
4ꢀVACꢀmustꢀbeꢀconnectedꢀinꢀorderꢀforꢀtheꢀsystemꢀfaultꢀ  
and emergency heat indicators to operate  
Theꢀthermostatꢀhasꢀaꢀmemoryꢀbackupꢀthatꢀsavesꢀtheꢀ  
thermostat’sꢀsettingsꢀinꢀcaseꢀofꢀaꢀpowerꢀinterruption.ꢀ  
Theꢀresetꢀbuttonꢀlocatedꢀunderꢀtheꢀbatteryꢀcoverꢀcanꢀbeꢀ  
usedꢀtoꢀresetꢀtheꢀthermostatꢀbackꢀtoꢀfactoryꢀdefaults.ꢀ  
Theꢀsystemꢀsettingsꢀwillꢀalsoꢀbeꢀresetꢀbackꢀtoꢀdefaults.ꢀ  
1
2
3
.ꢀ  
Removeꢀtheꢀbackꢀofꢀtheꢀthermostat,ꢀbyꢀpressingꢀtheꢀ  
tabꢀonꢀtheꢀbottomꢀofꢀtheꢀunit.ꢀ  
.ꢀ  
.ꢀ  
Pullꢀwiresꢀthroughꢀtheꢀopeningꢀonꢀtheꢀbackꢀofꢀtheꢀ  
thermostat  
Positionꢀandꢀlevelꢀtheꢀbackꢀofꢀtheꢀthermostatꢀonꢀwallꢀ  
and mark the hole locations with a pencil  
4.ꢀ  
5.ꢀ  
6.ꢀ  
Drillꢀ1/4”ꢀholesꢀ&ꢀinsertꢀsuppliedꢀanchorsꢀ(drywallꢀonly).  
Placeꢀbackꢀoverꢀanchors,ꢀinsertꢀandꢀtightenꢀscrews.  
temperature readings  
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Pushꢀtheꢀexcessꢀwireꢀbackꢀintoꢀtheꢀopeningꢀandꢀplugꢀ  
theꢀwallꢀopeningꢀtoꢀpreventꢀdrafts.  
INSTAllATION  
wIRINg TERꢀINAl  
wire sꢃeciꢄications  
RCꢀ–ꢀ24ꢀVACꢀsupplyꢀcooling*  
Rꢀ–ꢀ24ꢀVACꢀsupplyꢀheating*  
1
8-24ꢀgaugeꢀthermostatꢀwire  
wꢀ–ꢀ1stꢀstageꢀheatꢀ/ꢀauxiliary  
Yꢀ–ꢀ1stꢀstageꢀcoolingꢀ/ꢀcompressorꢀ  
g – Fan  
Cꢀ–ꢀCommonꢀ(optionalꢀwhenꢀpoweredꢀbyꢀbatteries)  
S1 & S2 – outdoor temperature sensor (optional)  
O/bꢀ–ꢀReversingꢀvalve  
Instaꢁꢁation notes  
EnsureꢀpowerꢀatꢀtheꢀHVACꢀequipmentꢀisꢀoff.ꢀ  
Loosenꢀscrewꢀterminals,ꢀinsertꢀstrippedꢀwireꢀandꢀ  
re-tighten.  
l – System fault indicator  
w2ꢀ–ꢀ2ndꢀstageꢀheatꢀ/ꢀauxiliary  
Y2ꢀ–ꢀ2ndꢀstageꢀcoolingꢀ/ꢀcompressor  
*
Jumper between RC & R is used in single transformer systems  
see wiring diagrams).  
(
RC  
R
W
Y
G
C S1 S2 O/B L W2 Y2  
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INSTAllATION  
wIRINg – ꢀODEl 8463 & 8444 SINglE  
TRANSfORꢀER (USE jUꢀpER wIRE)  
wIRINg – ꢀODEl 8463 & 8444 TwO  
TRANSfORꢀERS (REꢀOVE jUꢀpER wIRE)  
RC  
R
W
Y
G
C
S1 S2  
RC  
R
W
Y
G
C S1 S2  
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INSTAllATION  
wIRINg – ꢀODEl 8465 & 8446 SINglE  
TRANSfORꢀER (USE jUꢀpER wIRE)  
wIRINg – ꢀODEl 8465 & 8446 TwO  
TRANSfORꢀERS (REꢀOVE jUꢀpER wIRE)  
RC  
R
W
Y
G
C
S1 S2 O/B  
L
RC  
R
W
Y
G
C S1 S2 O/B  
L
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INSTAllATION  
wIRINg – ꢀODEl 8466 & 8448 SINglE  
TRANSfORꢀER (USE jUꢀpER wIRE)  
fOR HEAT/COOl SYSTEꢀ  
wIRINg – ꢀODEl 8466 & 8448 TwO  
TRANSfORꢀERS (REꢀOVE jUꢀpER wIRE)  
fOR HEAT/COOl SYSTEꢀ  
RC  
R
W
Y
G
C
S1 S2 O/B  
L
W2 Y2  
RC  
R
W
Y
G
C S1 S2 O/B  
L W2 Y2  
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INSTAllATION  
wIRINg – ꢀODEl 8466 & 8448 SINglE  
TRANSfORꢀER (USE jUꢀpER wIRE)  
fOR HEAT pUꢀp SYSTEꢀ  
wIRINg – ꢀODEl 8466 & 8448 TwO  
TRANSfORꢀERS (REꢀOVE jUꢀpER wIRE)  
fOR HEAT pUꢀp SYSTEꢀ  
RC  
R
W
Y
G
C
S1 S2 O/B  
L
W2 Y2  
RC  
R
W
Y
G
C S1 S2 O/B  
L W2 Y2  
1
0
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SETUp & TESTINg  
SYSTEꢀ SETUp INSTRUCTIONS  
Theꢀfollowingꢀinstructionsꢀshowꢀhowꢀtoꢀenterꢀtheꢀsystemꢀsetupꢀmenuꢀandꢀchangeꢀsettings.ꢀTheꢀtableꢀonꢀtheꢀ  
followingꢀpagesꢀlistsꢀtheꢀsettingsꢀandꢀtheirꢀdetails.ꢀDefaultꢀsettingsꢀareꢀshownꢀinꢀꢂoꢁd Some settings are only  
availableꢀtoꢀcertainꢀmodels,ꢀandꢀsomeꢀareꢀspecificꢀtoꢀthermostatsꢀsetꢀtoꢀheatꢀpumpꢀmode.  
Hoꢅ to enter the system setuꢃ menu to chanꢆe  
system settinꢆs  
press  
press  
or  
to change the setting  
ꢀtoꢀchangeꢀtoꢀtheꢀnextꢀoption.  
press  
repeatedly until system is set to OFF  
press  
displayed  
ꢀafterꢀtheꢀlastꢀsetting.ꢀ“DONE”ꢀwillꢀbeꢀ  
press and hoꢁd  
and  
for three seconds  
Theꢀscreenꢀofꢀtheꢀfirstꢀsettingꢀwillꢀbeꢀdisplayed.ꢀ  
TheꢀthermostatꢀwillꢀreturnꢀtoꢀNormalꢀmodeꢀifꢀnoꢀkeyꢀisꢀ  
pressed in 3 seconds  
Toꢀresetꢀallꢀsystemꢀsettingsꢀbackꢀtoꢀdefault,ꢀpressꢀtheꢀ  
RESETꢀbuttonꢀlocatedꢀunderꢀtheꢀbatteryꢀdoor.  
SETTINGꢀVALUE  
SYSTEMꢀSETTINGꢀNUMBER  
1
1
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SETUp & TESTINg  
SYSTEꢀ SETUp INSTRUCTIONS (CONTINUED)  
Thermostatꢀmodelsꢀ8448ꢀ&ꢀ8466ꢀhaveꢀtheꢀoptionꢀofꢀbeingꢀusedꢀinꢀheatꢀpumpꢀorꢀheat/coolꢀsystems.ꢀSwitchꢀSW1ꢀ  
locatedꢀonꢀtheꢀbackꢀofꢀtheꢀthermostat’sꢀfaceꢀisꢀusedꢀtoꢀselectꢀthis.ꢀSystemꢀsettingꢀnumberꢀ00ꢀwillꢀonlyꢀbeꢀshownꢀonꢀ  
these models to display the position of SW1  
Sw1  
HEATꢀPUMP  
HEAT/COOL  
1
2
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SETUp & TESTINg  
SYSTEꢀ SETUp INSTRUCTIONS (CONTINUED)  
System settinꢆ  
Settinꢆ ranꢆe, deꢄauꢁt in ꢂoꢁd  
0
1
ꢀ:ꢀheat/cool  
ꢀ:ꢀheatꢀpump  
0
0
0
0
0
0
0
0
0
0ꢀꢀEquipmentꢀtypeꢀ(8466,ꢀ8448)ꢀ(Set ꢂy Sw1)  
0
1
: fahrenheit  
1 Temperature scale  
ꢀ:ꢀCelsius  
0
1
: gas or oiꢁ ꢄurnace (Equiꢃment controꢁs ꢄan)  
2 Fan control in heating  
ꢀ:ꢀElectricꢀ(Thermostatꢀcontrolsꢀfan)  
0
° : No oꢄꢄset aꢃꢃꢁied  
3 Offset temperature for internal sensor  
4ꢀꢀAutoꢀmode  
4°Fꢀtoꢀ+4°Fꢀ(–2°Cꢀtoꢀ+2°C)  
0
1
: Auto mode is disaꢂꢁed  
ꢀ:ꢀAutoꢀmodeꢀisꢀenabled  
0
1
: No outdoor temꢃerature sensor attached  
5 Outdoor temperature sensor  
6ꢀꢀCompressorꢀminimumꢀoffꢀtime  
7 Heating minimum off time  
8ꢀꢀEquipmentꢀminimumꢀonꢀtime  
ꢀ:ꢀOutdoorꢀtemperatureꢀsensorꢀattached  
5
1
minutes  
to 5 minutes in 1 minute steps  
2
1
minutes  
to 5 minutes  
2
1
minutes  
to 5 minutes  
1
3
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SETUp & TESTINg  
SYSTEꢀ SETUp INSTRUCTIONS (CONTINUED)  
System settinꢆ  
Settinꢆ ranꢆe, deꢄauꢁt in ꢂoꢁd  
1
1
°f (0.5°C)  
°Fꢀtoꢀ4°Fꢀ(0.5°Cꢀtoꢀ2°C)  
0
1
1
9 1st stage differential  
1
1
°f (0.5°C)  
°Fꢀtoꢀ4°Fꢀ(0.5°Cꢀtoꢀ2°C)  
0ꢀꢀ2ndꢀstageꢀdifferentialꢀ(8448,ꢀ8466)  
1ꢀꢀ3rdꢀstageꢀdifferentialꢀ(8448HP,ꢀ8466HP)  
2ꢀꢀReverseꢀvalveꢀ(8446,ꢀ8466HP,ꢀ8465,ꢀ8466HP)  
1
1
°f (0.5°C)  
°Fꢀtoꢀ4°Fꢀ(0.5°Cꢀtoꢀ2°C)  
0
1
– O/b enerꢆized in cooꢁinꢆ (O)  
1
1
ꢀ–ꢀO/Bꢀenergizedꢀinꢀheatingꢀ(B)  
3ꢀꢀI  
ntegralꢀfactorꢀperiodꢀ(P+Iꢀcontrol)*  
4 minutes  
Set to OFF for proportional control only  
1ꢀtoꢀ5ꢀminutesꢀorꢀ“OFF”ꢀtoꢀdisable  
3
2
°f (2°C)  
°Fꢀtoꢀ5°Fꢀ(1°Cꢀtoꢀ3°C)  
1
1
4ꢀꢀDeadbandꢀ(autoꢀmode)  
0
ꢀ:ꢀProgressiveꢀrecoveryꢀisꢀdisabled  
5ꢀꢀProgressiveꢀrecoveryꢀ(8463,ꢀ8465,ꢀ8466)  
1
: proꢆressive recovery is enaꢂꢁed  
*
Theꢀintegralꢀfactorꢀisꢀusedꢀinꢀtheꢀequipmentꢀcontrolꢀalgorithmꢀtoꢀmaintainꢀtheꢀspaceꢀtemperatureꢀatꢀsetꢀpoint.ꢀ  
Aꢀshortꢀintegralꢀfactorꢀperiodꢀwillꢀincreaseꢀtheꢀnumberꢀofꢀcyclesꢀperꢀhour.ꢀ(Aꢀshortꢀintegralꢀfactorꢀperiodꢀwillꢀbeꢀmoreꢀ  
comfortable.)ꢀAꢀlongꢀintegralꢀfactorꢀperiodꢀwillꢀlowerꢀtheꢀnumberꢀofꢀcyclesꢀperꢀhour.ꢀ(Aꢀlongꢀintegralꢀfactorꢀperiodꢀwillꢀ  
beꢀmoreꢀeconomical.)  
1
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SETUp & TESTINg  
SYSTEꢀ SETUp INSTRUCTIONS (CONTINUED)  
System settinꢆ  
Settinꢆ ranꢆe, deꢄauꢁt in ꢂoꢁd  
1
1
6ꢀꢀL  
owꢀBalanceꢀPt.ꢀ(8446,ꢀ8448HP,ꢀ8465,ꢀ8466HP)  
20°f (–7°C)  
1°Fꢀtoꢀ35°Fꢀ(–17°Cꢀtoꢀ1°C)ꢀorꢀ“OFF”ꢀtoꢀdisable  
Systemꢀsettingꢀ05ꢀmustꢀbeꢀenabled  
7ꢀꢀH  
ighꢀBalanceꢀPt.ꢀ(8446,ꢀ8448HP,ꢀ8465,ꢀ8466HP)  
60°f (16°C)  
40°Fꢀtoꢀ80°Fꢀ(4°Cꢀtoꢀ27°C)ꢀorꢀ“OFFꢀ“ꢀtoꢀdisable  
Systemꢀsettingꢀ05ꢀmustꢀbeꢀenabled  
0
– 5/2 ꢃroꢆram (weekdays and weekends)  
1
9ꢀꢀProgramꢀformatꢀ(8463,ꢀ8465,ꢀ8466)  
1
ꢀ–ꢀ5/1/1ꢀprogramꢀ(Weekdays,ꢀSat.ꢀandꢀSun.)  
Off  
2
2
0ꢀꢀChangeꢀairꢀfilter  
1
,ꢀ3,ꢀ6,ꢀ12ꢀmonthsꢀorꢀ“OFF”ꢀtoꢀdisable  
1ꢀꢀC  
hangeꢀwaterꢀpanel**  
Off  
Setꢀnumberꢀofꢀmonthsꢀuntilꢀreminderꢀisꢀrequired  
1ꢀtoꢀ12ꢀmonthsꢀorꢀ“OFF”ꢀtoꢀdisable  
0
1
: fꢁoꢅ throuꢆh tyꢃe humidiꢄier (1 reminder ꢃer season)  
ꢀ:ꢀDrain-lessꢀtypeꢀhumidifierꢀ(2 reminders per season)  
2
2
2
2ꢀꢀHumidifierꢀtype**  
Off  
1
3ꢀꢀServiceꢀdehumidifier  
4ꢀꢀServiceꢀHVAC  
ꢀtoꢀ12ꢀmonthsꢀorꢀ“OFF”ꢀtoꢀdisable  
Off  
1
ꢀtoꢀ12ꢀmonthsꢀorꢀ“OFF”ꢀtoꢀdisable  
*
*
IfꢀhumidifierꢀtypeꢀisꢀsetꢀtoꢀDrain-less,ꢀthenꢀtheꢀfirstꢀreminderꢀisꢀbasedꢀonꢀtheꢀsystemꢀsettingꢀ21,ꢀsecondꢀreminderꢀ  
willꢀactivateꢀ3ꢀmonthsꢀlater.ꢀꢀIfꢀhumidifierꢀtypeꢀisꢀsetꢀtoꢀFlowꢀthrough,ꢀthenꢀtheꢀfirstꢀreminderꢀisꢀbasedꢀonꢀsystemꢀ  
settingꢀ21,ꢀsecondꢀreminderꢀwillꢀactivateꢀ12ꢀmonthsꢀlater.  
1
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SETUp & TESTINg  
SYSTEꢀ TEST ꢀODE  
Theꢀsystemꢀtestꢀmodeꢀisꢀusedꢀtoꢀtestꢀaꢀsystemꢀafterꢀinstallation.ꢀTheꢀoutputsꢀofꢀtheꢀthermostatꢀcanꢀbeꢀmanuallyꢀ  
activatedꢀoneꢀatꢀaꢀtimeꢀtoꢀtestꢀtheirꢀfunction.ꢀTheꢀfollowingꢀinstructionsꢀshowꢀhowꢀtoꢀenterꢀtheꢀtestꢀmodeꢀandꢀturnꢀ  
outputs on and off The charts on the following pages show all of the options for each model  
The test steꢃs are:  
Test  
Numꢂer  
Heat/Cooꢁ ꢀodeꢁs  
8444, 8463, 8448HC, 8466HC  
Heat pumꢃ ꢀodeꢁs  
8446, 8465, 8448Hp, 8466Hp  
50  
51  
52  
53  
Heating (W) (W2)  
Coolingꢀ(Y)ꢀ(Y2)  
Fanꢀ(G)  
AuxꢀHeatingꢀ(W)ꢀ(W2)  
CompressorꢀCoolingꢀ(Y)ꢀ(Y2)  
CompressorꢀHeatingꢀ(Y)ꢀ(Y2)  
Fanꢀ(G)  
1
6
6
1000652C 8400 Tstat Install.indd 16  
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SETUp & TESTINg  
SYSTEꢀ TEST ꢀODE (CONTINUED)  
Hoꢅ to enter the system test menu  
press  
output,ꢀꢃress  
ꢀtoꢀturnꢀonꢀtheꢀoutputꢀ(01).ꢀForꢀmultiꢀstageꢀ  
ꢀagainꢀtoꢀturnꢀonꢀtheꢀ2ndꢀstageꢀ(02).  
press  
repeatedly until system is set to OFF  
press and hoꢁd  
and  
for three seconds  
press  
press  
ꢀtoꢀturnꢀoffꢀtheꢀoutputꢀ(00).  
Theꢀscreenꢀofꢀtheꢀfirstꢀtestꢀstepꢀ#50ꢀisꢀdisplayed:ꢀ  
ꢀtoꢀchangeꢀtoꢀtheꢀnextꢀtestꢀstep.  
ꢀafterꢀtheꢀlastꢀtestꢀstep.ꢀ“DONE”ꢀwillꢀbeꢀ  
press  
displayed  
TheꢀthermostatꢀwillꢀreturnꢀtoꢀNormalꢀmodeꢀifꢀnoꢀkeyꢀisꢀ  
pressed in 3 seconds  
FLASHESꢀIFꢀ24VACꢀ  
ISꢀNOTꢀPRESENT  
SYSTEMꢀTESTꢀ  
NUMBER  
MODEꢀ(SW1ꢀSETTINGꢀ  
8448ꢀ&ꢀ8466ꢀONLY)  
OUTPUTꢀSTATUS  
1
7
6
1000652C 8400 Tstat Install.indd 17  
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SETUp & TESTINg  
Test steꢃs ꢄor 8444 & 8463  
System Settinꢆ  
Disꢃꢁay (Outꢃut)  
0
1
01  
01  
fAN ON  
(g)  
Steꢃ  
Key Inꢃut  
#
2
HEATINg  
ON (w)  
COOlINg  
ON (Y)  
0
ꢀ:ꢀGas  
ON  
ON  
[
UP]  
#
50ꢀHeat  
1ꢀ:ꢀElec  
ON  
ON  
ON  
[
[
[
DOWN]  
UP]  
DOWN]  
UP]  
DOWN]  
[
ON  
#
51ꢀCool  
52 Fan  
[
#
1
8
6
1000652C 8400 Tstat Install.indd 18  
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SETUp & TESTINg  
Test steꢃs ꢄor 8448HC & 8466HC  
System Settinꢆ  
Disꢃꢁay (Outꢃut)  
0
1
02  
01  
02  
01  
fAN ON  
(g)  
Steꢃ  
Key Inꢃut  
#
2
HEATINg  
ON (w)  
HEATINg  
ON (w2)  
COOlINg  
ON (Y)  
COOlINg  
ON (Y2)  
0
ꢀ:ꢀGas  
ꢀ:ꢀElec  
0ꢀ:ꢀGas  
ꢀ:ꢀElec  
ON  
ON  
ON  
ON  
1
stꢀ[UP]  
1
ON  
ON  
#
50ꢀHeat  
ON  
ON  
2
ndꢀ[UP]  
DOWN]  
stꢀ[UP]  
2ndꢀ[UP]  
1
[
1
ON  
ON  
ON  
ON  
#
51ꢀCool  
ON  
[
DOWN]  
UP]  
DOWN]  
[
ON  
#
52 Fan  
[
1
9
6
1000652C 8400 Tstat Install.indd 19  
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SETUp & TESTINg  
Test steꢃs ꢄor 8446 & 8465  
System Settinꢆ  
#12  
Disꢃꢁay (Outꢃut)  
0
1 AUX  
01  
01  
fAN ON  
(g)  
Steꢃ  
Key Inꢃut  
#
2
HEATINg  
ON (w)  
COOl/HEAT  
ON (Y)  
O/b  
0
ꢀ:ꢀGas  
ON  
ON  
[
UP]  
DOWN]  
UP]  
#
50ꢀAux  
1ꢀ:ꢀElec  
ON  
[
[
0
ꢀ:ꢀO  
ON  
ON  
ON  
ON  
ON  
ON  
[
1
ꢀ:ꢀB  
#
51ꢀCool  
0
ꢀ:ꢀO  
DOWN]  
UP]  
1
ꢀ:ꢀB  
ꢀ:ꢀO  
ꢀ:ꢀB  
ꢀ:ꢀO  
ꢀ:ꢀB  
0
ON  
ON  
ON  
ON  
[
1
ON  
ON  
#
52 Heat  
0
[
DOWN]  
UP]  
DOWN]  
1
[
ON  
#
53 Fan  
[
2
0
6
1000652C 8400 Tstat Install.indd 20  
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SETUp & TESTINg  
Test steꢃs ꢄor 8448Hp & 8466Hp  
System Settinꢆ  
Disꢃꢁay (Outꢃut)  
0
1 AUX  
02 AUX  
01  
02  
01  
Steꢃ  
Key Inꢃut  
#
2
#12  
HEATINg  
ON (w)  
HEATINg COOl/HEAT COOl/HEAT fAN ON  
O/b  
ON (w2)  
ON (Y)  
ON (Y2)  
(g)  
ON  
ON  
0
ꢀ:ꢀGas  
ꢀ:ꢀElec  
0ꢀ:ꢀGas  
ꢀ:ꢀElec  
ON  
ON  
ON  
ON  
1
stꢀ[UP]  
1
#
50ꢀAux  
ON  
ON  
2
ndꢀ[UP]  
DOWN]  
stꢀ[UP]  
1
[
0
ꢀ:ꢀO  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
1
1
ꢀ:ꢀB  
0
ꢀ:ꢀO  
ON  
ON  
#
51ꢀCool  
2ndꢀ[UP]  
DOWN]  
stꢀ[UP]  
2ndꢀ[UP]  
1
ꢀ:ꢀB  
ꢀ:ꢀO  
ꢀ:ꢀB  
ꢀ:ꢀO  
ꢀ:ꢀB  
ꢀ:ꢀO  
ꢀ:ꢀB  
ꢀ:ꢀO  
ꢀ:ꢀB  
0
[
1
0
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
1
1
ON  
ON  
ON  
0
ON  
ON  
#
52 Heat  
1
0
[
DOWN]  
UP]  
DOWN]  
1
[
ON  
#
53 Fan  
[
2
1
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1000652C 8400 Tstat Install.indd 21  
10/13/09 11:09:02 AM  
href="
QUICK REfERENCE TO CONTROlS & DISplAY  
NON-pROgRAꢀꢀAblE ꢀODElS (8444, 8446, 8448)  
CURRENTꢀINDOORꢀTEMPERATURE  
OUTDOORꢀTEMPERATUREꢀ(OPTIONAL)  
TEMPERATUREꢀSETTING  
SYSTEMꢀMODEꢀ  
SETTING  
EQUIPMENTꢀSTATUS  
SYSTEMꢀMODE  
FANꢀSETTING  
UP  
DOWN  
HEAT pUꢀp ꢀODElS ONlY  
EMERGENCYꢀHEATꢀ(RED)  
SYSTEMꢀFAULTꢀ(YELLOW)  
FANꢀSETTING  
INDICATORꢀSHOWSꢀTHROUGHꢀHOUSING  
QUICKꢀREFERENCEꢀCARD  
BATTERYꢀDOOR  
MESSAGEꢀCENTER  
LOWꢀBATTERYꢀWARNING  
NOTE:ꢀBACKLIGHTꢀISꢀACTIVATEDꢀWITHꢀFIRSTꢀBUTTONꢀPRESSꢀANDꢀAUTOMATICALLYꢀTURNSꢀOFF.  
2
2
6
1000652C 8400 Tstat Install.indd 22  
10/13/09 11:09:02 AM  
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QUICK REfERENCE TO CONTROlS & DISplAY  
pROgRAꢀꢀAblE ꢀODElS (8463, 8465, 8466)  
CURRENTꢀINDOORꢀTEMPERATURE  
CURRENTꢀTIME  
OUTDOORꢀTEMPERATUREꢀ(OPTIONAL)  
TEMPERATUREꢀSETTING  
SYSTEMꢀMODEꢀ  
SETTING  
EQUIPMENTꢀSTATUS  
UP  
FANꢀSETTING  
SYSTEMꢀMODE  
FANꢀSETTING  
PROGRAM  
DOWN  
HOLD  
HEAT pUꢀp ꢀODElS ONlY  
EMERGENCYꢀHEATꢀ(RED)  
SYSTEMꢀFAULTꢀ(YELLOW)  
CURRENTꢀ  
SCHEDULEꢀ  
PERIOD  
INDICATORꢀSHOWSꢀTHROUGHꢀHOUSING  
QUICKꢀREFERENCEꢀCARD  
BATTERYꢀDOOR  
MESSAGEꢀCENTER  
LOWꢀBATTERYꢀWARNING  
NOTE:ꢀBACKLIGHTꢀISꢀACTIVATEDꢀWITHꢀFIRSTꢀBUTTONꢀPRESSꢀANDꢀAUTOMATICALLYꢀTURNSꢀOFF.  
2
3
6
1000652C 8400 Tstat Install.indd 23  
10/13/09 11:09:02 AM  
href="
            
            
                                                 
THERꢀOSTAT fEATURES  
All 8400 SERIES THERꢀOSTATS  
pROgRAꢀꢀAblE ꢀODElS ONlY  
8463, 8465, 8466)  
(
Large,ꢀclear,ꢀbacklitꢀdisplayꢀisꢀeasyꢀtoꢀreadꢀ–ꢀevenꢀ  
in the dark  
•ꢀ  
•ꢀ  
schedules  
Displaysꢀroomꢀtemperature,ꢀtemperatureꢀsetting,ꢀandꢀ  
optional outdoor temperature  
program schedule at any time  
•ꢀ  
•ꢀ  
•ꢀ  
•ꢀ  
•ꢀ  
Dualꢀpowerꢀoptionꢀ(Batteryꢀorꢀ24ꢀVAC).  
Frontꢀbatteryꢀdoorꢀaccessꢀforꢀfast,ꢀeasyꢀreplacement.  
Builtꢀinꢀcompressorꢀprotection.  
Circulationꢀfanꢀmodeꢀforꢀairꢀcleaning.  
Waterꢀpanel,ꢀdehumidifier,ꢀairꢀfilter,ꢀandꢀHVACꢀ  
serviceꢀindicators.  
Systemꢀtestꢀmode.  
2
4
6
1000652C 8400 Tstat Install.indd 24  
10/13/09 11:09:02 AM  
href="
common.ꢀIfꢀvoltageꢀisꢀnotꢀpresent,ꢀcheckꢀtheꢀheatingꢀ  
equipmentꢀtoꢀfindꢀtheꢀcauseꢀofꢀtheꢀproblem.  
            
Ifꢀthermostatꢀisꢀbatteryꢀpowered,ꢀmakeꢀsureꢀfreshꢀAAꢀ  
alkalineꢀbatteriesꢀareꢀcorrectlyꢀinstalled.  
                                                 
                                                 
                                                 
TROUblESHOOTINg  
DISplAY IS blANK  
HEATINg SYSTEꢀ DOES NOT RESpOND  
“HEATINg” AppEARS ON SCREEN)  
(
Checkꢀcircuitꢀbreakerꢀandꢀresetꢀifꢀnecessary.  
•ꢀ  
•ꢀ  
•ꢀ  
Makeꢀsureꢀpowerꢀswitchꢀatꢀheatingꢀ&ꢀcoolingꢀ  
system is on  
Makeꢀsureꢀfurnaceꢀdoorꢀisꢀclosedꢀsecurely.  
TEꢀpERATURE SETTINgS DO NOT CHANgE  
Makeꢀsureꢀheatingꢀandꢀcoolingꢀtemperaturesꢀareꢀsetꢀtoꢀ  
acceptableꢀranges:  
Heat:ꢀ45°ꢀtoꢀ90°Fꢀ(7°ꢀtoꢀ32°C).  
Cooꢁ:ꢀ50°ꢀtoꢀ99°Fꢀ(10°ꢀtoꢀ37°C).  
2
5
6
1000652C 8400 Tstat Install.indd 25  
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Checkꢀforꢀlooseꢀorꢀbrokenꢀwiresꢀbetweenꢀtheꢀ  
thermostatꢀandꢀtheꢀcoolingꢀequipment.  
            
            
                                                 
TROUblESHOOTINg  
COOlINg SYSTEꢀ DOES NOT RESpOND  
HEAT/COOl bOTH ON AT SAꢀE TIꢀE  
CheckꢀSW1ꢀ(EquipmentꢀType),ꢀtoꢀmakeꢀsureꢀitꢀisꢀsetꢀ  
toꢀmatchꢀtheꢀinstalledꢀheating/coolingꢀequipmentꢀ  
(see page 12)  
(
“COOlINg” AppEARS ON SCREEN)  
Checkꢀforꢀ24ꢀVACꢀatꢀtheꢀequipmentꢀonꢀtheꢀsecondaryꢀ  
sideꢀofꢀtheꢀtransformerꢀbetweenꢀpowerꢀandꢀ  
common.ꢀIfꢀvoltageꢀisꢀnotꢀpresent,ꢀcheckꢀtheꢀcoolingꢀ  
equipmentꢀtoꢀfindꢀtheꢀcauseꢀofꢀtheꢀproblem.  
not shorted together  
Checkꢀforꢀ24ꢀVACꢀbetweenꢀtheꢀcoolingꢀterminalꢀ(Y)ꢀ  
andꢀtheꢀtransformerꢀcommon.ꢀIfꢀ24ꢀVACꢀisꢀpresent,ꢀ  
theꢀthermostatꢀisꢀfunctional.ꢀCheckꢀtheꢀcoolingꢀ  
systemꢀtoꢀfindꢀtheꢀcauseꢀofꢀtheꢀproblem.  
HEATINg EQUIpꢀENT IS RUNNINg IN  
COOl ꢀODE  
ꢀCheckꢀSW1ꢀ(EquipmentꢀType),ꢀtoꢀmakeꢀsureꢀitꢀisꢀsetꢀ  
toꢀmatchꢀtheꢀinstalledꢀheating/coolingꢀequipmentꢀ  
(see page 12)  
fAN DOES NOT TURN ON IN A CAll fOR HEAT  
“HEATINg” IS NOT DISplAYED  
CheckꢀSystemꢀSettingꢀ#02ꢀ(FanꢀControl),ꢀtoꢀmakeꢀ  
sure the fan control is properly set to match the type  
of system (see page 11)  
ꢀChangeꢀtheꢀSystemꢀModeꢀtoꢀHeat,ꢀandꢀsetꢀ  
theꢀtemperatureꢀlevelꢀaboveꢀtheꢀcurrentꢀroomꢀ  
temperature  
HEAT pUꢀp ISSUES COOl AIR IN HEAT ꢀODE,  
OR wARꢀ AIR IN COOl ꢀODE  
COOlINg” IS NOT DISplAYED  
CheckꢀSystemꢀSettingꢀ#12ꢀ(ReversingꢀValve),ꢀtoꢀmakeꢀ  
sure it is properly configured for your system (see  
page 11)  
2
6
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1000652C 8400 Tstat Install.indd 26  
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href="
SpECIfICATIONS  
Environment  
Operating:ꢀ32°ꢀtoꢀ120°Fꢀ(0°ꢀtoꢀ48.9°C)  
Shipping:ꢀ-30°ꢀtoꢀ140°Fꢀ(-34.4°ꢀtoꢀ60°C)  
Temperature  
Relativeꢀhumidity  
Operating:ꢀ5%ꢀtoꢀ90%ꢀR.H.ꢀ(non-condensing)  
Eꢁectricaꢁ  
Operatingꢀvoltage  
Current  
24ꢀVACꢀ(18ꢀ–ꢀ30ꢀVAC)  
Maximum:ꢀ2.5Aꢀ(total),ꢀ1.0Aꢀ(singleꢀoutput)  
Maximumꢀsurgeꢀcurrent:ꢀ5A  
Dualꢀpower.ꢀCanꢀbeꢀbatteryꢀorꢀ24ꢀVACꢀpowered.  
Power supply  
Whenꢀbothꢀtheꢀsourcesꢀareꢀavailable,ꢀbatteryꢀwillꢀbeꢀusedꢀasꢀ  
backꢀupꢀpower.  
Batteryꢀpower:ꢀAAꢀsizeꢀalkalineꢀbatteryꢀxꢀ2  
Batteryꢀlife:ꢀApproximatelyꢀ1ꢀyear  
Batteryꢀpower  
2
7
6
1000652C 8400 Tstat Install.indd 27  
10/13/09 11:09:03 AM  
href="
SpECIfICATIONS  
Thermaꢁ  
Outdoor temperature sensor  
Maximumꢀdistance:ꢀ300ꢀfeet  
Displayꢀrange:ꢀ32°ꢀtoꢀ99°Fꢀ(0°ꢀtoꢀ40°C)  
Displayꢀrange:ꢀ-20°ꢀtoꢀ130°Fꢀ(-30°ꢀtoꢀ55°C)  
Roomꢀtemperatureꢀmeasurement  
Outdoor temperature measurement  
Heat:ꢀ45°ꢀtoꢀ90°Fꢀ(7°ꢀtoꢀ32°C)  
Cool:ꢀ50°ꢀtoꢀ99°Fꢀ(10°ꢀtoꢀ37°C)  
Temperature setting range  
RESEARCHꢀPRODUCTSꢀCORPORATION  
P.O.ꢀBOXꢀ1467ꢀ•ꢀMADISON,ꢀWIꢀ53701-1467ꢀ•ꢀꢅꢅꢅ.aꢃriꢁaire.com  
6
1000652 10.09  
B2204777C  
2
8
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1000652C 8400 Tstat Install.indd 28  
10/13/09 11:09:03 AM  

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