About Your New Thermostat; Thermostat Features; How To Identify Your Thermostat's Model Number - Aprilaire 8400 series Owner's Manual

AbOUT yOUR NEw THERmOSTAT

THERmOSTAT fEATURES

All 8400 series thermostats
• L arge, clear, backlit display is easy to read – even in
the dark
• D isplays room temperature, temperature setting, and
optional outdoor temperature
• F ront battery door access for fast, easy replacement
• B uilt in compressor protection
• C irculation fan mode for air cleaning
• A ir filter, humidifier, dehumidifier, and HVAC service
indicators
• A uto backlight (activated with first button press)
programmable models only (8463, 8465, 8466)
• S eparately programmable weekday/weekend
schedules
• E asy to use temperature control can override program
schedule at any time
• E nergyStar compliant to reduce your heating/cooling
®
expenses
• P rogressive recovery
61000651B 8400 Tstat Owners.indd 3
HOw TO IDENTIfy yOUR THERmOSTAT'S
mODEl NUmbER
To locate the model number, remove the battery cover.
MODEL
NUMBER
model 8444 H eat/Cool Non-Programmable
model 8446 H eat Pump Non-Programmable
model 8448 H eat/Cool or Heat Pump Multi-Stage
Non-Programmable
model 8463 H eat/Cool 5/2 Day Programmable
model 8465 H eat Pump 5/2 Day Programmable
model 8466 H eat/Cool or Heat Pump Multi-Stage
5/2 Day Programmable
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