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69-0803—1
Maintaining Your Thermostat
Installing Batteries
IMPORTANT
Batteries must be installed for program-
ming and operation of the thermostat
and heating/cooling system.
Purchase two AA alkaline batteries; non-
alkaline batteries do not last as long, and
can leak causing damage to the thermo-
stat or wall surface. We recommend
Energizer® batteries.
Make sure the thermostat is set to the
OFF position.
Use a coin to remove the battery door.
Install the fresh batteries, making sure
positive and negative terminals are
oriented correctly.
Replace the battery door.
M5781
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