69-1284—210
❑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
80
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.