2
Installing Batteries
Note about low batteries:
When the outdoor battery needs to
be changed the
Master Thermostat
will flash
LOW BAT OUTDOOR
as seen on the left.
Installation Tip
Before putting the inside cover back on, proceed to the next page to establish a
connection between the
Master Thermostat
and this
Remote Sensor.
To install 2 AA batteries remove the three screws
shown in the diagram. One in the middle of the inside
cover box, and two on either side of the cover box.
INSTALLING BATTERIES