The batteries must be replaced
immediately when the thermostat
displays the low battery icon (fig.1).
FIG. 1
Battery Replacement
The top of the thermostat housing has two screw-
driver slots to assist in separating the
thermostat front from the sub-base.
Repeat this procedure in the other screw driver slot.
Separate the thermostat front from the sub-base by
pulling the top forward until the pins release, and then
lift the bottom out.
To pull the housing apart, insert a small blade screw-
driver into the slot and rotate 90 . This will release
the top housing snaps.
SCREWDRIVER
SLOTS
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Page 10
MODEL P474-0140
OWNER'S MANUAL
