Aprilaire 8400 series Installation Instructions Manual Download Page 7 | Manualshive

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7

wIRINg – mODEl 8463 & 8444 SINglE

TRANSfORmER (USE jUmpER wIRE)

INSTAllATION

C

G

Y

W

R

S1 S2

RC

HEA

TIN

G

COOLING

FA

N

OUTDOOR TEMP SENSOR

JUMPER

TRANSFORMER

wIRINg – mODEl 8463 & 8444 TwO

TRANSfORmERS (REmOVE jUmpER wIRE)

C

G

Y

W

R

S1 S2

RC

HEA

TING

COOLING

FA

N

OUTDOOR TEMP SENSOR

HEA

TING

TRANSFORMER

COOLING

TRANSFORMER

61000652D 8400 Tstat Install.indd 7

7/9/13 9:03 AM

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Summary of Contents for 8400 series

Page 1: ...8400 Series Thermostats READ AND SAVE THESE INSTRUCTIONS Safety Installation Instructions 61000652D 8400 Tstat Install indd 1 7 9 13 9 03 AM ...

Page 2: ...ing diagrams 7 Table of contents Installation Setup Testing References System setup instructions 11 System test mode 16 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 61000652D 8400 Tstat Install indd 2 7 9 13 9 03 AM ...

Page 3: ...t 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 61000652D 8400 Tstat Install indd 3 7 9 13 9 03 A...

Page 4: ... 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 Installation C G Y W R L S1 S2 O B W2 Y2 RC Install on side of building out of direct sunlight north side recommended Mount above snow line Mount at least 3 away from exhau...

Page 5: ... 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 mem...

Page 6: ...llation 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 C...

Page 7: ...W R S1 S2 RC HEATING COOLING FAN OUTDOOR TEMP SENSOR JUMPER TRANSFORMER Wiring Model 8463 8444 Two Transformers Remove Jumper Wire C G Y W R S1 S2 RC HEATING COOLING FAN OUTDOOR TEMP SENSOR HEATING TRANSFORMER COOLING TRANSFORMER 61000652D 8400 Tstat Install indd 7 7 9 13 9 03 AM ...

Page 8: ...TECT OUTDOOR TEMP SENSOR JUMPER TRANSFORMER C G Y W R L S1 S2 O B RC Wiring Model 8465 8446 Two Transformers Remove Jumper Wire AUX HEATING COMPRESSOR FAN REVERSE VALVE FAULT DETECT OUTDOOR TEMP SENSOR AUX HEATING TRANSFORMER HEAT PUMP TRANSFORMER C G Y W R L S1 S2 O B RC 61000652D 8400 Tstat Install indd 8 7 9 13 9 03 AM ...

Page 9: ...SOR NOT USED NOT USED JUMPER TRANSFORMER C G Y W R L S1 S2 O B W2 Y2 RC Wiring Model 8466 8448 TWO TransformerS REMOVE Jumper Wire for HEAT COOL System 1st HEATING 1st COOLING FAN 2nd HEATING 2nd COOLING OUTDOOR TEMP SENSOR NOT USED NOT USED HEATING TRANSFORMER COOLING TRANSFORMER C G Y W R L S1 S2 O B W2 Y2 RC 61000652D 8400 Tstat Install indd 9 7 9 13 9 03 AM ...

Page 10: ...OOR TEMP SENSOR HEAT PUMP TRANSFORMER C G Y W R L S1 S2 O B W2 Y2 RC JUMPER 1st AUX HEATING 1st COMPRESSOR FAN REVERSE VALVE FAULT DETECT 2nd AUX HEATING 2nd COMPRESSOR OUTDOOR TEMP SENSOR HEATING TRANSFORMER HEAT PUMP TRANSFORMER C G Y W R L S1 S2 O B W2 Y2 RC Wiring Model 8466 8448 TWO TransformerS REMOVE Jumper Wire for HEAT Pump System 61000652D 8400 Tstat Install indd 10 7 9 13 9 03 AM ...

Page 11: ... 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 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 avail...

Page 12: ...p 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 61000652D 8400 Tstat Install indd 12 7 9 13 9 03 AM ...

Page 13: ...fset temperature for internal sensor 0 No offset applied 4 F to 4 F 2 C to 2 C 04 Auto changeover mode 0 Auto changeover mode is disabled 1 Auto changeover mode is enabled 05 Outdoor temperature sensor 0 No outdoor temperature sensor attached 1 Outdoor temperature sensor attached 06 Compressor minimum off time 5 minutes 1 to 5 minutes in 1 minute steps 07 Heating minimum off time 2 minutes 1 to 5 ...

Page 14: ...65 8466HP 0 O B energized in cooling O 1 O B energized in heating B 13 Stage rate 4 1 to 5 or OFF to disable 14 Deadband auto mode 3 F 2 C 2 F to 5 F 1 C to 3 C 15 Progressive recovery 8463 8465 8466 0 Progressive recovery is disabled 1 Progressive recovery is enabled Accumulation of equipment run time in equipment staging determination 1 more rapid staging of equipment comfort 5 slower staging of...

Page 15: ...panel Set number of months until reminder is required OFF 1 to 12 months or OFF to disable 22 Humidifier type 0 Flow through type humidifier 1 reminder per season 1 Drain less type humidifier 2 reminders per season 23 Service dehumidifier OFF 1 to 12 months or OFF to disable 24 Service HVAC OFF 1 to 12 months or OFF to disable If humidifier type is set to Drain less then the first reminder is base...

Page 16: ...o 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 Setup Testing Test Number Heat Cool Models 8444 8463 8448HC 8466HC Heat Pump Models 8446 8465 8448HP 8466HP 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 61000652D 8400 Tstat Install indd 1...

Page 17: ... the output 01 For multi stage output press again to turn on the 2nd stage 02 Press to turn off the output 00 Press to change to the next test step Press 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 FLASHES IF 24VAC IS NOT PRESENT MODE SW1 SETTING 8448 8466 ONLY 61000652D 8400 Tstat Ins...

Page 18: ...r 8444 8463 Step Key Input System Setting Display Output 2 01 HEATING ON W 01 COOLING ON Y 01 FAN ON G 50 Heat UP 0 Gas ON 1 Elec ON ON DOWN 51 Cool UP ON ON DOWN 52 Fan UP ON DOWN 61000652D 8400 Tstat Install indd 18 7 9 13 9 03 AM ...

Page 19: ...play Output 2 01 HEATING ON W 02 HEATING ON W2 01 COOLING ON Y 02 COOLING ON Y2 01 FAN ON G 50 Heat 1st UP 0 Gas ON 1 Elec ON ON 2nd UP 0 Gas ON ON 1 Elec ON ON ON DOWN 51 Cool 1st UP ON ON 2nd UP ON ON ON DOWN 52 Fan UP ON DOWN 61000652D 8400 Tstat Install indd 19 7 9 13 9 03 AM ...

Page 20: ...12 01 AUX HEATING ON W 01 COOL HEAT ON Y 01 FAN ON G O B 50 Aux UP 0 Gas ON 1 Elec ON ON DOWN 51 Cool UP 0 O ON ON ON 1 B ON ON DOWN 0 O ON 1 B 52 Heat UP 0 O ON ON 1 B ON ON ON DOWN 0 O 1 B ON 53 Fan UP ON DOWN Setup Testing 61000652D 8400 Tstat Install indd 20 7 9 13 9 03 AM ...

Page 21: ...Y2 01 FAN ON G O B 50 Aux 1st UP 0 Gas ON 1 Elec ON ON 2nd UP 0 Gas ON ON 1 Elec ON ON ON DOWN 51 Cool 1st UP 0 O ON ON ON 1 B ON ON 2nd UP 0 O ON ON ON ON 1 B ON ON ON DOWN 0 O ON 1 B 52 Heat 1st UP 0 O ON ON 1 B ON ON ON 2nd UP 0 O ON ON ON 1 B ON ON ON ON DOWN 0 O 1 B ON 53 Fan UP ON DOWN Setup Testing 61000652D 8400 Tstat Install indd 21 7 9 13 9 03 AM ...

Page 22: ...nt Indoor Temperature System Mode Setting Fan Setting System Mode Fan Setting Battery Door Message Center Low Battery Warning Quick Reference Card Outdoor Temperature OPTIONAL Temperature SetTING Equipment Status Emergency heat RED System FAULT YELLOW Indicator shows through housing Heat pump models only UP down 61000652D 8400 Tstat Install indd 22 7 9 13 9 03 AM ...

Page 23: ...m Mode Setting Fan Setting System Mode Fan Setting Battery Door Message Center Low Battery Warning Quick Reference Card Outdoor Temperature OPTIONAL Temperature SetTING Equipment Status Emergency heat RED System FAULT YELLOW Indicator shows through housing Heat pump models only UP down Program Current Schedule Period Hold Current Time 61000652D 8400 Tstat Install indd 23 7 9 13 9 03 AM ...

Page 24: ...for air cleaning Water panel dehumidifier air filter and HVAC service indicators System test mode 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...

Page 25: ...7 to 32 C Cool 50 to 99 F 10 to 37 C 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 functio...

Page 26: ...h 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 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 sho...

Page 27: ...24 VAC powered When both the sources are available battery will be used as back up power Battery power Battery power AA size alkaline battery x 2 Battery life Approximately 1 year Environment Temperature Operating 32 to 120 F 0 to 48 9 C Shipping 30 to 140 F 34 4 to 60 C Relative humidity Operating 5 to 90 R H non condensing 61000652D 8400 Tstat Install indd 27 7 9 13 9 03 AM ...

Page 28: ...re measurement Display range 20 to 130 F 30 to 55 C Temperature setting range Heat 45 to 90 F 7 to 32 C Cool 50 to 99 F 10 to 37 C P O Box 1467 Madison WI 53701 1467 Phone 800 334 6011 Fax 608 257 4357 www aprilairepartners com 61000652 7 13 B2204777D 2013 Aprilaire A division of Research Products Corporation 61000652D 8400 Tstat Install indd 28 7 9 13 9 03 AM ...

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