Aprilaire 8400 owner manual About your new thermostat Programmable Models

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About your new thermostat – Programmable Models

Controls & display overview – models 8463, 8465, 8466

Current Indoor Temperature

Current Time

Outdoor Temperature (OPTIONAL)

System Mode

 

 

Setting

 

Temperature SetTING

 

 

Fan Setting

 

Equipment Status

 

 

System Mode

 

UP

 

 

(page 6)

 

down

Fan Setting

 

 

 

(page 7)

 

Hold

Program

 

 

Heat pump models only

 

 

 

 

Emergency heat (RED)

Current

 

System FAULT (YELLOW)

 

 

Schedule

 

Indicator shows through housing

Period

 

 

(page 8)

 

Quick Reference Card

 

 

Battery Door

 

 

Message Center

Low Battery Warning (page 7)

Note: Backlight is activated with first button press and automatically turns off.

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Contents Series Thermostats Table of contents About your new thermostat Thermostat Features All 8400 series thermostatsHow to identify your thermostat’s model number Controls & display overview models 8444, 8446 About your new thermostat Non-programmable modelsControls & display overview models 8463, 8465 About your new thermostat Programmable ModelsPress Change temperature setTINGOperation ALL Models Battery installation and reset button Select fan setting ON/AUTO/CIRCReset service reminder messages Understanding program schedules Set time and dayExample Progressive recoveryChanging program schedules To cancel the permanent override press Warranty Registration Electronic Thermostat Five Year Limited Warranty