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batteries within approximately 30 seconds from the time
the batteries are removed to prevent program loss and
reprogramming.
IMPORTANT: The low battery warning displays about
two months before the batteries are dead. When the
batteries are dead, the system shuts down. After bat-
teries are replaced, thermostat requires reprogram-
ming.
Fig. 11—Battery placement.
MOUNTING THE THERMOSTAT
Hang the thermostat on the tabs at the top of the base
(Fig. 12a). Swing down and press on lower edge until
thermostat snaps into place (Fig. 12b). Open the cover, and
tighten the captive mounting screws (Fig. 12c).
SETTING DAY AND TIME
Set present day and time. When the thermostat is first
turned on, the display will read 1:00 PM and room tempera-
ture. It will go off for a few seconds, then begin to flash on
and off.
Press .
Press TIME or to set the current time.
Press .
Press to set the current day. Each press of the
DAY KEY advances the display one day.
If the display does not come on:
• Check mounting of thermostat to wallplate. If loose or
misaligned, remove thermostat and reinstall on
wallplate, making sure it is firmly attached.
• Check to see that all the batteries are good and in-
stalled correctly.
M2083
BATTERY
PLACEMENT
(NOTE CORRECT PLUS
AND MINUS DIRECTION)
Fig. 12—Mounting thermostat on wallplate.
SET
PRESENT
DAY/TIME
SET
PRESENT
DAY/TIME
AHEAD
BACK
DAY
M8849
RETURN
MON
HEAT ON
RETURN
MON
HEAT ON
RUN
PROGRAM
TIME
TEMPERATURE
PRESENT
SETTING
SKIP
NEXT
PERIOD
CHANGE
TO LAST
PERIOD
SET
PRESENT
DAY/TIME
HOLD
TEMP
DAY
SET
HEAT/COOL
SLEEP
LEAVE
AHEAD
WARMER
RETURN
BACK
COOLER
WAKE
A.
B.
C.
PM
PM