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alkaline battery. The battery will provide
power for all functions except the display
light, which works only on 24vAC power.
Before removing thermostat from the
wall to replace the battery, remove 24vAC
power form the thermostat at the breaker/
fuse box.
CAUTION
!
2. You may adjust the option switches for key-
pad lockout and automatic changeover from
heat to cool (see OPERATING FEATURES).
Other than and , the buttons are
located behind the thermostat door. To open the
door, use your fingernail in the indentation at the
top center of the door. Pull the door out, then
swing the door down on its hinges.
Following are brief descriptions of the display
and the thermostat buttons.