6
Alternate Wiring
If the old thermostat had both
V
and
VR
wires, contact a heating/cooling
contractor for help.
If the old thermostat had both
O
and
B
wires, attach the
B
wire to the
C
terminal. If another wire is attached to the
C
terminal, call 1-800-468-1502
for help.
If the old thermostat had
W1
,
W2
and
Y
wires, contact a heating/cooling
contractor for help.
If no wire matches the
E
terminal on the new thermostat, use a small
piece of wire to connect terminals
E
and
Aux
.
Aux
Y
G
O
L
R
B
C
E
Aux Y
G O
L
R
B
C
E
4
3
3
2
1
2
2
or
X
X2
or
W
W1
W2
or
Y1
M
or
F
or
F
or
V
VR
or
H
or
B
X
7 Install Batteries
Install two AA alkaline batteries.
Back of thermostat
