Owner’s Manual

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8400 series ThermostatsREAD AND SAVE THESE INSTRUCTIONSOwner s Manual Includes Operating Instructions and Warranty Information61000651C 8400 Tstat 110/13/09 11:13:35 AM2Thermostat features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3How to identify your thermostat s model number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3Controls & display overview Non programmable models (8444, 8446, 8448).

Programmable All 8400 series thermostats • Large, clear, backlit display is easy to read – even in the dark. • Displays room temperature, temperature setting, and optional outdoor temperature. • Front battery door access for fast, easy replacement. • Built in compressor protection.

  Manual, Series, Owner s manual, Owner, Programmable