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Install Batteries
1 − Install three provided AAA alkaline
batteries in the back of the thermo-
stat as shown.
BACK OF THERMOSTAT
BATTERIES
(3)
+
+
+
2 − Remove tab from the lower right−
hand corner of the thermostat
back to activate the real−time
clock.
REMOVE DURING INST
ALLA
TION
REMOVE
TAB
REMOVE DURING INST
ALLA
TION
Attach Thermostat to Wallplate
NOTE − The thermostat may be pro-
grammed before it is secured to the
wallplate.
1 − Align the terminal blocks on the
wallplate with the pins on the back
of thermostat.
2 − Push the thermostat straight onto
the pins until it snaps into place.
3 − Turn on power at the furnace or air
handler or at the fuse or circuit
breaker.
PINS ON
BACK OF
THERMOSTAT
WALLPLATE
TERMINAL
SCREW
BLOCK
Set Calendar and Clock
This thermostat is designed to auto-
matically keep the current time and
date in memory for up to ten years, un-
der normal use, once the calendar has
been set. When power is first applied to
the thermostat, the display is ready to
set the calendar.
1 − Use the arrow keys to set the year,
month and day.
2 − Press the DONE key.
DONE
USE
ARROWS
TO SET
YEAR
SET
CURRENT
DATE
SET
MONTH
MON
WED THU
FRI
SAT
TUE
3 − Use the arrow keys to set the cur-
rent time.
4 − Press the DONE key.
DONE
MON
WED THU
FRI
SAT
AM
PM
USE
ARROWS
TO SET
TIME
TUE
NOTE − Date and time may be ad-
justed after the initial set−up using ei-
ther the installer or user set−up menu.
