Aprilaire 8465, 8466, 8463, 8448, 8446 Install Instructions

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Page 1

8400 Series Thermostats

Safety &

Installation

Instructions

READ AND SAVE THESE INSTRUCTIONS

61000652D 8400 Tstat Install.indd 1 7/9/13 9:03 AM

Page 2

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-programmablemodels(8444,8446,8448).....................................................22

 •Programmablemodels(8463,8465,8466).........................................................23

Thermostat features .............................................................................24

Troubleshooting .................................................................................25

Specifications...................................................................................27

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Page 3

INSTALLATION

INSTALLATION LOCATION RECOMMENDATIONS

Thermostat should be mounted:

•Onaninteriorwall,inafrequentlyoccupiedspace.

•Approximately5‘abovefloor.

•Atleast18”fromoutsidewall.

•Thermostatcanbemountedtoaverticaljunctionbox.

Do not mount thermostat:

•Behinddoors,incorners,orotherdeadairspaces.

•Indirectsunlight,nearlightingfixtures,orother appliancesthatgiveoffheat.

•Onanoutsideorunconditionedareawall.

•Intheflowofasupplyregister,instairwells,ornear

outside doors.

•Onawallwithconcealedpipesorductwork.

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Page 4

INSTALLATION

OUTDOOR TEMPERATURE SENSOR (OPTIONAL)

Outdoortemperaturecanbemeasuredbyattachingan 8052sensortotheS1andS2terminals.Systemsetting #05(Remotesensor)isusedtoenablesensor.

Heat pump models can use the outdoor temperature to

effectivelyutilizetheheatpump:

•WhentheoutdoortemperatureislessthantheLow BalancePoint,theheatpumpwillbelockedoutand onlyauxiliaryheatingwillbeused.

•WhentheoutdoortemperatureishigherthantheHigh BalancePoint,theauxiliaryheatingwillbelockedout andonlytheheatpumpwillbeusedtoprovideheating.

•Installonsideofbuildingoutofdirectsunlight (north side recommended).

•Mountabovesnowline.

•Mountatleast3’awayfromexhaustventsand

condensing lines.

•Maximumwirelengthis300’.

•Donotroutewiresalong120VAClines.

O/B

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Page 5

INSTALLATION

THERMOSTAT MOUNTING

1.Removethebackofthethermostat,bypressingthe tabonthebottomoftheunit.

2.Pullwiresthroughtheopeningonthebackofthe

thermostat.

3.Positionandlevelthebackofthethermostatonwall

and mark the hole locations with a pencil.

4.Drill1/4”holes&insertsuppliedanchors(drywallonly).

5.Placebackoveranchors,insertandtightenscrews.

6.Sealwireentryholestopreventdraftsaffecting

temperature readings.

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POWER & RESET OPTIONS

Thethermostatisdualpower.ItcaneitherbeACor batterypowered,orboth(toprovidebackuppowerfor theclock).Batteriesareoptionalifthethermostatwas connectedtoACpowerwheninstalled.

Forheatpumpmodels(8446and8465)anduniversal models(8448and8466)usedinheatpumpapplications 24VACmustbeconnectedinorderforthesystemfault

and emergency heat indicators to operate.

Thethermostathasamemorybackupthatsavesthe thermostat’ssettingsincaseofapowerinterruption.

Theresetbuttonlocatedunderthebatterycovercanbe usedtoresetthethermostatbacktofactorydefaults. Thesystemsettingswillalsoberesetbacktodefaults.

Page 6

INSTALLATION

WIRING TERMINAL

Wire specifications

18-24gaugethermostatwire

Installation notes

•EnsurepowerattheHVACequipmentisoff.

•Loosenscrewterminals,insertstrippedwire andre-tighten.

•Pushtheexcesswirebackintotheopening andplugthewallopeningtopreventdrafts.

RC–24VACsupplycooling* R–24VACsupplyheating* W–1ststageheat/auxiliary Y–1ststagecooling/compressor G – Fan C–RC24VACcommon(optionalwhenpoweredbybatteries) S1 & S2 – outdoor temperature sensor (optional) O/B–Reversingvalve L – System fault indicator W2–2ndstageheat/auxiliary Y2–2ndstagecooling/compressor

* Jumper between RC & R is used in single transformer systems

(see wiring diagrams).

O/B

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Page 7

INSTALLATION

TRANSFORMER

COOLING

WIRING – MODEL 8463 & 8444 SINGLE TRANSFORMER (USE JUMPER WIRE)

FAN

HEATING

COOLING

JUMPER

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SENSOR

OUTDOOR TEMP

WIRING – MODEL 8463 & 8444 TWO TRANSFORMERS (REMOVE JUMPER WIRE)

HEATING

TRANSFORMER

FAN

HEATING

COOLING

SENSOR

OUTDOOR TEMP

Page 8

INSTALLATION

TRANSFORMER

HEAT PUMP

WIRING – MODEL 8465 & 8446 SINGLE TRANSFORMER (USE JUMPER WIRE)

JUMPER

AUX HEATING

COMPRESSOR

FAN

SENSOR

OUTDOOR TEMP

O/B

REVERSE VALVE

FAULT DETECT

WIRING – MODEL 8465 & 8446 TWO TRANSFORMERS (REMOVE JUMPER WIRE)

AUX HEATING

TRANSFORMER

FAN

AUX HEATING

COMPRESSOR

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SENSOR

OUTDOOR TEMP

REVERSE VALVE

O/B

FAULT DETECT

Page 9

INSTALLATION

TRANSFORMER

HEATING

COOLING

WIRING – MODEL 8466 & 8448 SINGLE TRANSFORMER (USE JUMPER WIRE) FOR HEAT/COOL SYSTEM

FAN

1st HEATING

JUMPER

1st COOLING

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SENSOR

OUTDOOR TEMP

NOT USED

O/B

2nd HEATING

NOT USED

WIRING – MODEL 8466 & 8448 TWO TRANSFORMERS (REMOVE JUMPER WIRE) FOR HEAT/COOL SYSTEM

TRANSFORMER

FAN

2nd COOLING

TRANSFORMER

1st HEATING

1st COOLING

SENSOR

OUTDOOR TEMP

O/B

NOT USED

2nd HEATING

2nd COOLING

Page 10

INSTALLATION

HEAT PUMP

HEATING

HEAT PUMP

WIRING – MODEL 8466 & 8448 SINGLE TRANSFORMER (USE JUMPER WIRE) FOR HEAT PUMP SYSTEM

TRANSFORMER

JUMPER

FAN

1st AUX HEATING

1st COMPRESSOR

SENSOR

OUTDOOR TEMP

REVERSE VALVE

O/B

FAULT DETECT

2nd AUX HEATING

WIRING – MODEL 8466 & 8448 TWO TRANSFORMERS (REMOVE JUMPER WIRE) FOR HEAT PUMP SYSTEM

TRANSFORMER

FAN

1st AUX HEATING

1st COMPRESSOR

2nd COMPRESSOR

SENSOR

OUTDOOR TEMP

O/B

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REVERSE VALVE

FAULT DETECT

2nd AUX HEATING

2nd COMPRESSOR

Page 11

SETUP & TESTING

SYSTEM SETUP INSTRUCTIONS

Thefollowinginstructionsshowhowtoenterthesystemsetupmenuandchangesettings.Thetableonthe followingpagesliststhesettingsandtheirdetails.Defaultsettingsareshowninbold. Some settings are only availabletocertainmodels,andsomearespecifictothermostatssettoheatpumpmode.

How to enter the system setup menu to change system settings

Press

Press and hold

repeatedly until system is set to OFF.

and for three seconds.

Thescreenofthefirstsettingwillbedisplayed.

Press or to change the setting.

Press

tochangetothenextoption.

afterthelastsetting.“DONE”willbe

displayed.

ThethermostatwillsavechangesandreturntoNormal modeifnokeyispressedfor20seconds.

Toresetallsystemsettingsbacktodefault,pressthe RESETbuttonlocatedunderthebatterydoor.

SETTINGVALUE

SYSTEMSETTINGNUMBER

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Page 12

SETUP & TESTING

SYSTEM SETUP INSTRUCTIONS (CONTINUED)

Thermostatmodels8448&8466havetheoptionofbeingusedinheatpumporheat/coolsystems.Theequipment typeswitchlocatedonthebackofthethermostat’sfaceisusedtoselectthis.Systemsettingnumber00willonlybe shownonthesemodelstodisplaythepositionoftheequipmenttypeswitch.

EQUIPMENT

TYPE SWITCH

HEATPUMP HEAT/COOL

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Page 13

SETUP & TESTING

SYSTEM SETUP INSTRUCTIONS (CONTINUED)

System setting Setting range, default in bold

00Equipmenttype(8466,8448)

(Set by the equipment type switch)

01 Temperature scale

02Heat/Cool:Fancontrolinheating

HeatPump:Auxiliaryequipmenttype

03 Offset temperature for internal sensor

04Autochangeovermode

05 Outdoor temperature sensor

06Compressorminimumofftime

07 Heating minimum off time

08Equipmentminimumontime

0:heat/cool 1:heatpump

0 : Fahrenheit

1:Celsius

0 : Gas or oil furnace (Equipment controls fan)

Note:UsedforDualFuelapplications

1:Electric(Thermostatcontrolsfan)

0° : No offset applied

–4°Fto+4°F(–2°Cto+2°C)

0 : Auto changeover mode is disabled

1:Autochangeovermodeisenabled

0 : No outdoor temperature sensor attached

1:Outdoortemperaturesensorattached

5 minutes

1 to 5 minutes in 1 minute steps

2 minutes

1 to 5 minutes in 1 minute steps

2 minutes

1 to 5 minutes in 1 minute steps

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Page 14

SETUP & TESTING

SYSTEM SETUP INSTRUCTIONS (CONTINUED)

System setting Setting range, default in bold

09 1st stage differential

102ndstagedifferential(8448,8466)

113rdand4thstagedifferential(8448HP,8466HP)

12Reversevalve(8446,8448HP,8465,8466HP)

13Stagerate*

14Deadband(automode)

15Progressiverecovery(8463,8465,8466)

*Accumulationofequipmentruntimeinequipmentstagingdetermination.

1=morerapidstagingofequipment(comfort). 5=slowerstagingofequipment(economy).

1°F (0.5°C)

1°Fto4°F(0.5°Cto2°C)

1°F (0.5°C)

1°Fto4°F(0.5°Cto2°C)

1°F (0.5°C)

1°Fto4°F(0.5°Cto2°C)

0 – O/B energized in cooling (O)

1–O/Benergizedinheating(B)

1to5or“OFF”todisable

3°F (2°C)

2°Fto5°F(1°Cto3°C)

0:Progressiverecoveryisdisabled

1 : Progressive recovery is enabled

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Page 15

SETUP & TESTING

SYSTEM SETUP INSTRUCTIONS (CONTINUED)

System setting Setting range, default in bold

16LowBalancePt.(8446,8448HP,8465,8466HP)

Systemsetting05mustbeenabled

17HighBalancePt.(8446,8448HP,8465,8466HP)

Systemsetting05mustbeenabled

19Programformat(8463,8465,8466)

20Changeairfilter

21Changewaterpanel**

Setnumberofmonthsuntilreminderisrequired

22Humidifiertype**

23Servicedehumidifier

24ServiceHVAC

**IfhumidifiertypeissettoDrain-less,thenthefirstreminderisbasedonthesystemsetting21,secondreminder

willactivate3monthslater.IfhumidifiertypeissettoFlowthrough,thenthefirstreminderisbasedonsystem setting21,secondreminderwillactivate12monthslater.

20°F (–7°C)

1°Fto35°F(–17°Cto1°C)or“OFF”todisable

60°F (16°C)

40°Fto80°F(4°Cto27°C)or“OFF“todisable

0 – 5/2 program (Weekdays and Weekends)

1–5/1/1program(Weekdays,Sat.andSun.)

OFF

1,3,6,12monthsor“OFF”todisable

OFF

1to12monthsor“OFF”todisable

0 : Flow through type humidifier (1 reminder per season)

1:Drain-lesstypehumidifier(2 reminders per season)

OFF

1to12monthsor“OFF”todisable

OFF

1to12monthsor“OFF”todisable

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Page 16

SETUP & TESTING

SYSTEM TEST MODE

Thesystemtestmodeisusedtotestasystemafterinstallation.Theoutputsofthethermostatcanbemanually activatedoneatatimetotesttheirfunction.Thefollowinginstructionsshowhowtoenterthetestmodeandturn

outputs on and off. The charts on the following pages show all of the options for each model.

The test steps are:

Test

Number

50 Heating (W) (W2) AuxHeating(W)(W2)

51 Cooling(Y)(Y2) CompressorCooling(Y)(Y2)

52 Fan(G) CompressorHeating(Y)(Y2)

53 Fan(G)

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Heat/Cool Models

8444, 8463, 8448HC, 8466HC

Heat Pump Models

8446, 8465, 8448HP, 8466HP

Page 17

SETUP & TESTING

SYSTEM TEST MODE (CONTINUED)

How to enter the system test menu

Press

Press and hold

Thescreenofthefirstteststep#50isdisplayed:

repeatedly until system is set to OFF.

and for three seconds.

Press toturnontheoutput(01).Formultistage output,press

Press

againtoturnonthe2ndstage(02).

toturnofftheoutput(00).

tochangetothenextteststep.

afterthelastteststep.“DONE”willbe

displayed.

ThethermostatwillreturntoNormalmodeifnokeyis pressedin20seconds.

SYSTEMTEST NUMBER

OUTPUTSTATUS

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FLASHESIF24VAC ISNOTPRESENT

MODE(SW1SETTING 8448&8466ONLY)

Page 18

SETUP & TESTING

Step Key Input

#50Heat

#51Cool

#52 Fan

Test steps for 8444 & 8463

System Setting Display (Output)

0:Gas ON

[UP]

1:Elec ON ON

[DOWN]

[UP] ON ON

[DOWN]

[UP] ON

[DOWN]

HEATING

ON (W)

COOLING

ON (Y)

FAN ON

(G)

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Page 19

SETUP & TESTING

Step Key Input

1st[UP]

#50Heat

#51Cool

#52 Fan

2nd[UP]

[DOWN] 1st[UP] 2nd[UP] ON ON ON [DOWN]

[UP] ON

[DOWN]

Test steps for 8448HC & 8466HC

System Setting Display (Output)

0:Gas ON 1:Elec ON ON 0:Gas ON ON 1:Elec ON ON ON

ON ON

HEATING

ON (W)

HEATING

ON (W2)

COOLING

ON (Y)

COOLING

ON (Y2)

FAN ON

(G)

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Page 20

SETUP & TESTING

Step Key Input

#50Aux

#51Cool

#52 Heat

#53 Fan

Test steps for 8446 & 8465

System Setting Display (Output)

#2 #12

0:Gas

[UP]

1:Elec ON ON

[DOWN]

[UP]

[DOWN]

[UP]

[DOWN]

[UP] ON

[DOWN]

01 AUX

HEATING

ON (W)

0:O ON ON ON 1:B ON ON 0:O ON 1:B 0:O ON ON 1:B ON ON ON 0:O 1:B ON

COOL/HEAT

ON (Y)

FAN ON

(G)

O/B

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Page 21

SETUP & TESTING

Step Key Input

1st[UP]

#50Aux

#51Cool

#52 Heat

#53 Fan

2nd[UP]

[DOWN]

1st[UP]

2nd[UP]

[DOWN]

1st[UP]

2nd[UP]

[DOWN]

[UP] ON

[DOWN]

Test steps for 8448HP & 8466HP

System Setting Display (Output)

#2 #12

0:Gas 1:Elec ON ON 0:Gas 1:Elec ON ON ON

01 AUX

HEATING

ON (W)

0:O ON ON ON 1:B ON ON 0:O ON ON ON ON 1:B ON ON ON 0:O ON 1:B 0:O ON ON 1:B ON ON ON 0:O ON ON ON 1:B ON ON ON ON 0:O 1:B ON

ON ON

02 AUX

HEATING

ON (W2)

COOL/HEAT

ON (Y)

COOL/HEAT

ON (Y2)

FAN ON

(G)

O/B

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Page 22

QUICK REFERENCE TO CONTROLS & DISPLAY

NON-PROGRAMMABLE MODELS (8444, 8446, 8448)

CURRENTINDOORTEMPERATURE

SYSTEMMODE SETTING

OUTDOORTEMPERATURE(OPTIONAL)

TEMPERATURESETTING

EQUIPMENTSTATUS

SYSTEMMODE

FANSETTING

BATTERYDOOR

MESSAGECENTER LOWBATTERYWARNING

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NOTE:BACKLIGHTISACTIVATEDWITHFIRSTBUTTONPRESSANDAUTOMATICALLYTURNSOFF.

DOWN

HEAT PUMP MODELS ONLY

EMERGENCYHEAT(RED)

SYSTEMFAULT(YELLOW)

INDICATORSHOWSTHROUGHHOUSING

QUICKREFERENCECARD

Page 23

QUICK REFERENCE TO CONTROLS & DISPLAY

PROGRAMMABLE MODELS (8463, 8465, 8466)

SYSTEMMODE SETTING

FANSETTING

SYSTEMMODE

FANSETTING

PROGRAM

CURRENT SCHEDULE PERIOD

BATTERYDOOR

CURRENTINDOORTEMPERATURE

MESSAGECENTER LOWBATTERYWARNING

CURRENTTIME

OUTDOORTEMPERATURE(OPTIONAL)

TEMPERATURESETTING

EQUIPMENTSTATUS

DOWN

HOLD

HEAT PUMP MODELS ONLY

EMERGENCYHEAT(RED)

SYSTEMFAULT(YELLOW)

INDICATORSHOWSTHROUGHHOUSING

QUICKREFERENCECARD

NOTE:BACKLIGHTISACTIVATEDWITHFIRSTBUTTONPRESSANDAUTOMATICALLYTURNSOFF.

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Page 24

THERMOSTAT FEATURES

ALL 8400 SERIES THERMOSTATS

•Large,clear,backlitdisplayiseasytoread–even

in the dark.

•Displaysroomtemperature,temperaturesetting,and

optional outdoor temperature.

•Dualpoweroption(Batteryor24VAC).

•Frontbatterydooraccessforfast,easyreplacement.

•Builtincompressorprotection.

•Circulationfanmodeforaircleaning.

•Waterpanel,dehumidifier,airfilter,andHVAC serviceindicators.

•Systemtestmode.

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PROGRAMMABLE MODELS ONLY (8463, 8465, 8466)

•Separatelyprogrammableweekday/weekend

schedules.

•Easytousetemperaturecontrolcanoverride

program schedule at any time.

•Progressiverecovery.ProgressiveRecoveryfeature allowsthethermostattoactivatetheheatingand coolingequipmentpriortoaneventinordertoreach thedesiredtemperatureatthestartofthenext scheduledevent.

Page 25

TROUBLESHOOTING

DISPLAY IS BLANK

•Checkcircuitbreakerandresetifnecessary.

•Makesurepowerswitchatheating&cooling

system is on.

•Makesurefurnacedoorisclosedsecurely.

•Ifthermostatisbatterypowered,makesurefreshAA alkalinebatteriesarecorrectlyinstalled.

TEMPERATURE SETTINGS DO NOT CHANGE

Makesureheatingandcoolingtemperaturesaresetto acceptableranges:

• Heat:45°to90°F(7°to32°C).

• Cool:50°to99°F(10°to37°C).

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HEATING SYSTEM DOES NOT RESPOND (“HEATING” APPEARS ON SCREEN)

•Checkfor24VACattheequipmentonthesecondary sideofthetransformerbetweenpowerand common.Ifvoltageisnotpresent,checktheheating equipmenttofindthecauseoftheproblem.

•Checkfor24VACbetweentheheatterminal(W) andthetransformercommon.If24VACispresent, thethermostatisfunctional.Checktheheating equipmenttofindthecauseoftheproblem.

•Checkforlooseorbrokenwiresbetweenthe thermostatandtheheatingequipment.

Page 26

TROUBLESHOOTING

COOLING SYSTEM DOES NOT RESPOND (“COOLING” APPEARS ON SCREEN)

•Checkfor24VACattheequipmentonthesecondary sideofthetransformerbetweenpowerand common.Ifvoltageisnotpresent,checkthecooling equipmenttofindthecauseoftheproblem.

•Checkfor24VACbetweenthecoolingterminal(Y) andthetransformercommon.If24VACispresent, thethermostatisfunctional.Checkthecooling systemtofindthecauseoftheproblem.

•Checkforlooseorbrokenwiresbetweenthe thermostatandthecoolingequipment.

FAN DOES NOT TURN ON IN A CALL FOR HEAT

•CheckSystemSetting#02(FanControl),tomake

sure the fan control is properly set to match the type of system (see page 11).

HEAT PUMP ISSUES COOL AIR IN HEAT MODE, OR WARM AIR IN COOL MODE

•CheckSystemSetting#12(ReversingValve),tomake

sure it is properly configured for your system (see page 11).

61000652D 8400 Tstat Install.indd 26 7/9/13 9:03 AM

HEAT/COOL BOTH ON AT SAME TIME

•CheckSW1(EquipmentType),tomakesureitisset tomatchtheinstalledheating/coolingequipment

(see page 12).

•Checktomakesureheatingandcoolingwiresare

not shorted together.

HEATING EQUIPMENT IS RUNNING IN COOL MODE

•CheckSW1(EquipmentType),tomakesureitisset tomatchtheinstalledheating/coolingequipment

(see page 12).

“HEATING” IS NOT DISPLAYED

•ChangetheSystemModetoHeat,andset thetemperaturelevelabovethecurrentroom

temperature.

“COOLING” IS NOT DISPLAYED

•ChangetheSystemModetoCool,andset thetemperaturelevelbelowthecurrentroom

temperature.

Page 27

SPECIFICATIONS

Environment

Temperature

Relativehumidity Operating:5%to90%R.H.(non-condensing)

Operatingvoltage 24VAC(18–30VAC)

Current

Power supply

Batterypower

Operating:32°to120°F(0°to48.9°C)

Shipping:-30°to140°F(-34.4°to60°C)

Electrical

Maximum:2.5A(total),1.0A(singleoutput)

Maximumsurgecurrent:5A

Dualpower.Canbebatteryor24VACpowered.

Whenboththesourcesareavailable,batterywillbeusedas backuppower.

Batterypower:AAsizealkalinebatteryx2

Batterylife:Approximately1year

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Page 28

SPECIFICATIONS

Thermal

Outdoor temperature sensor Maximumdistance:300feet

Roomtemperaturemeasurement Displayrange:32°to99°F(0°to40°C)

Outdoor temperature measurement Displayrange:-20°to130°F(-30°to55°C)

Temperature setting range

P.O.Box1467•Madison,WI53701-1467•Phone:800/334-6011 •Fax:608/257-4357

Heat:45°to90°F(7°to32°C)

Cool:50°to99°F(10°to37°C)

www.aprilairepartners.com

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