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MAINTAINING YOUR THERMOSTAT
REPLACING THE BATTERIES
Your thermostat uses three AAA
alkaline batteries. We recommend
®
Energizer
batteries. The display will
flash REPL BAT when the batteries
get low. Unless the display is blank
(indicating the batteries are dead)
when you start, you will not have to
reprogram the thermostat if you
insert the new batteries within 20-30
seconds of taking out the old ones.
To replace:
Set the system switch to OFF.
Remove the thermostat from the
wall. See page 31.
Lift the batteries out of the holder.
Insert the new batteries, making
sure the positive (+) terminals all
face toward the right.
Replace the thermostat on the
wall. See page 32.
Reprogram, if necessary.
M1915
33
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