Aprilaire 8444 Owner'S Manual Download Page 1 | Manualshive

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8400 Series Thermostats

READ AND SAVE THESE INSTRUCTIONS

Owner’s Manual

Includes

Operating Instructions and

Warranty Information

61000651C 8400 Tstat Owners.indd 1

10/13/09 11:13:35 AM

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Summary of Contents for 8444

Page 1: ...8400 Series Thermostats READ AND SAVE THESE INSTRUCTIONS Owner s Manual Includes Operating Instructions and Warranty Information 61000651C 8400 Tstat Owners indd 1 10 13 09 11 13 35 AM ...

Page 2: ...dels Select system mode HEAT COOL 6 Change temperature setting 6 Select fan setting ON AUTO CIRC 7 Reset service reminder messages 7 Battery installation and Reset Button 7 Programmable models only 8463 8465 8466 Set time and day 8 Understanding program schedules 8 Progressive recovery 9 Changing program schedules 10 Program schedule overrides temporary permanent 11 Limited warranty 12 Warranty re...

Page 3: ...erature setting and optional outdoor temperature Front battery door access for fast easy replacement Built in compressor protection Circulation fan mode for air cleaning Air filter humidifier dehumidifier and HVAC service indicators Auto backlight activated with first button press Programmable models only 8463 8465 8466 Separately programmable weekday weekend schedules Easy to use temperature cont...

Page 4: ...g System Mode page 6 Fan Setting page 7 Battery Door Message Center Low Battery Warning page 7 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 About your new thermostat Non programmable models 61000651C 8400 Tstat Owners indd 4 10 13 09 11 13 36 AM ...

Page 5: ...etting page 7 Battery Door Message Center Low Battery Warning page 7 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 page 8 Hold Current Time About your new thermostat Programmable Models 61000651C 8400 Tstat Owners indd 5 10 13...

Page 6: ...g system COOL Thermostat controls only the cooling system EM HEAT Thermostat controls emergency auxiliary heat Heat pump will not operate Only for heat pumps with auxiliary heat on models 8446 8465 8448HP and 8466HP Applies to programmable versions 8463 8465 8466 when in HOLD mode Press or to adjust the current setting In AUTO use to switch between the HEAT and COOL setting Change temperature setT...

Page 7: ...LS Battery installation and reset button The thermostat can either be AC or battery powered or both When wired to be AC powered the batteries are optional and only provide backup power to the clock 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 facto...

Page 8: ... AM PM are flashing Understanding program schedules The daily schedule is split into four sections WAKE 6am 8am Temperature you would prefer to wake up to until you leave for the day LEAVE 8am 5pm Temperature when you are away from the house during the day RETURN 5pm 10pm Temperature you would prefer to return to until bedtime SLEEP 10pm 6am Temperature you would prefer during the night The times ...

Page 9: ...derstanding program schedules continued Progressive recovery The 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 Example Set the Wake time to 6 am and the temperature to 70 The heat will come on before 6 am so the temperature is 70 by the time you wa...

Page 10: ...shes Press or to adjust the heat setting 4 Press COOL setting flashes Press or to adjust the cool setting 5 Press to advance the next event and repeat steps 2 5 for LEAVE RETURN and SLEEP events 6 Press to change to weekend program Repeat steps 2 5 for the weekend program 7 Press to end DONE will display The thermostat will return to normal mode if no key is pressed in 3 seconds 61000651C 8400 Tst...

Page 11: ...grammed schedule To cancel the temporary override adjust the temperature setting back to the programmed temperature or press twice Permanent program override Press to permanently hold the temperature at its current setting This will override the temperature settings for all time periods of the programmed schedule With the thermostat in permanent override the thermostat temperature can be manually ...

Page 12: ...YOUR INSTALLER AS CONTRASTED TO DEFECTS IN THE THERMOSTAT ITSELF IMPLIED WARRANTIES OF MERCHANTABILITY OF FITNESS FOR A PARTICULAR PURPOSE SHALL BE LIMITED IN DURATION TO THE AFORESAID FIVE YEAR PERIOD RESEARCH PRODUCTS CORPORATION S LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OTHER THAN DAMAGES FOR PERSONAL INJURIES RESULTING FROM ANY BREACH OF THE AFORESAID IMPLIED WARRANTIES OR THE ABOVE ...

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