6
WIRING
6
3 Label Wires with Tags
Label the existing wires using the supplied
wire labels as you disconnect them.
Wiring Labels
Apply these wiring labels to each wire with the
appropriate terminal designation as you remove it from
the existing thermostat.
B B Y2 Y2
G
R
V/VR
X
AUX
G
R
V/VR
X
AUX
H
RC
W
X1
H
RC
W
X1
C C E E F F
L L O O P P
RH RH T T U U
W1 W1 W2 W2 W3 W3
X2 X2 Y Y Y1 Y1
4 Separate Wallplate from
New Thermostat
Remove wallplate from the new thermostat
and mount onto wall.
Wallplate
ELEC
GAS
Wire Labels
Terminal designation
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