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STEP 5. INSTALL THE BATTERIES
IMPORTANT
Three AA alkaline batteries are
included with the thermostat.
Batteries must be installed for
programming and operation of the
thermostat and heating/cooling
system.
❑
Install the batteries on the wallplate as
shown, making sure positive (+) terminals
all face upward.
As the batteries are running low, a REPL BAT
indicator will flash for 1 to 2 months before
batteries run out completely. Replace the
batteries as soon as possible after the
indicator starts flashing.
If you insert new batteries within 20 to 30
seconds of removing the old ones, you will
not have to reset the current time. However, if
the display is blank, the batteries are dead or
incorrectly installed. See page 22 to reset
current time and day.
M10622
INSTALL 3 AA ALKALINE BATTERIES
AS SHOWN, POSITIVE (+) TERMINALS
TOWARD TOP.
WALLPLATE
B
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RC
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W
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