6
3. Installation
Fig 3-5
Install
the battery mak
ing
sure the po
larity
of the battery is in
accordance with the
+/- indication
.
(See Fig.3-5)
The
CR2032
b
atter
y
in
sures
the
thermostat will keep time
and
maintain program settings during
a
power failure
.
If the clock is
wrong after a power failure, replace the battery.
4. Battery installation
NOTE:
Use
a flat
wall
surface
for installation location
.
Be careful not to overtighten the mounting screws.