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69-1199—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 sys-
tem 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. SET FAN OPERATION SWITCH
The thermostat fan operation switch, labeled FUEL SWITCH is factor
y
set
in the F position. This is the correct settin
g
for most s
y
stems. If
y
our
s
y
stem is an electric heat s
y
stem, set the switch to E. The E settin
g
allows
the fan to turn on immediatel
y
with the heatin
g
or coolin
g
in a s
y
stem
where the G terminal is connected.
M16424
8
0
90
7
0
60
90
8
0
7
0
60
M12676
FUEL SWITCH