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Remove Existing Thermostat
If this thermostat is being used to re-
place an existing thermostat, remove
the old thermostat:
1 − Turn off power at the heating and/or
cooling
system
breaker panel.
2 − Remove the cover from the existing
thermostat.
3 − Remove securing screws and re-
move existing thermostat from wall
or wallplate. Disconnect the exist-
ing wires.
4 − Remove any remaining portion of
the existing thermostat from the
wall. Do not install the replacement
thermostat faceplate on the exist-
ing wallplate. Though the wall-
plates may appear to be the same
and the faceplate may fit on the ex-
isting wallplate, the terminal posi-
tions may vary in important ways.
In addition, serial number and part
number information is carried on
the replacement wallplate.
If the existing thermostat includes a mercury bulb, the thermostat must
be disposed of properly.
Contact your local waste management authority for instructions re-
garding recycling and proper disposal of thermostats which include
mercury bulbs.
or
fuse/circuit
WARNING
MERCURY NOTICE
Page 3
Do not allow the thermostat wires
to fall behind the drywall.
WARNING
This
thermostat
installed using the provided re-
placement wallplate.
Failure to do so will bypass ther-
mostat control and activate con-
tinuous heating.
OLD THERMOSTAT
W
Y
G
R
C
.2
.25
must
be
WALLPLATE
THERMOSTAT
COVER
.18
.9
.7
.5
O N
GE R
.4
.3
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