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If the thermostat is alread
y
mounted on the wall, remove the thermostat
b
y
placin
g
y
our thumb between the thermostat and wallplate and
pullin
g
the thermostat up and awa
y
as shown.
When the batteries are runnin
g
low, a REPL BAT messa
g
e flashes for one
to two months before the batteries run out completel
y
. Replace the
batteries as soon as possible once the messa
g
e flashes.
IMPORTANT
Although the thermostat has a low battery indicator, replace the
batteries once per year to prevent leakage and to prevent the
thermostat and heating/cooling system from shutting down due
to lack of battery power in the thermostat.
If
y
ou insert new batteries within 20 to 30 seconds of removin
g
the old
batteries, the s
y
stem retains the current time and da
y
. If the displa
y
is
blank, the batteries are dead or installed incorrectl
y
. You must reset the time and da
y
. Refer to Set the Clock for
instructions.
As a precaution when leavin
g
home for lon
g
er than a month, chan
g
e batteries before leavin
g
to prevent
the s
y
stem from shuttin
g
down due to lack of power. Alwa
y
s use fresh alkaline batteries. Nonalkaline
batteries do not last as lon
g
. The
y
also can leak, causin
g
dama
g
e to the thermostat and the wall surface.
Hone
y
well recommends Ener
g
izer® batteries.
STEP 6. MOUNT THE THERMOSTAT
M16424
8
0
90
70
60
90
80
70
60
M12703
B.
PRESS LOWER
EDGE OF CASE
TO LATCH.
A. ENGAGE TABS AT TOP
OF THERMOSTAT
AND WALLPLATE.
10


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