
REPLACING THE THERMOSTAT
1 Hang the thermostat on the tabs
at the top of the subbase.
2 Swing down and press on the
lower edge until the thermostat
snaps into place.
3 Tighten the captive screws.
32
MAINTAINING YOUR
THERMOSTAT
HEAT
AUTO
COOL
OFF
ON AUT
O
FAN
M3759
M3757
PM
RETURN
MON
HEAT ON
SYSTEM
AUTO
PM
MORNIMG
MON
HEAT ON
ROOM
SYSTEM
M3756
RUN
PROGRAM
TIME
TEMPERATURE
PRESENT
SETTING
SKIP
NEXT
PERIOD
CHANGE
TO LAST
PERIOD
SET
PRESENT
DAY/TIME
HOLD
TEMP
AHEAD
WARMER
BACK
COOLER
PERIOD
WAKE
SLEEP
RETURN
LEAVE
DAY
SET
HEAT/COOL