Aprilaire 8400 owner manual About your new thermostat Programmable Models

Models: 8400

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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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61000651B 8400 Tstat Owners.indd 5

7/23/09 10:43:02 AM

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Aprilaire 8400 owner manual About your new thermostat Programmable Models, Controls & display overview models 8463, 8465