WIRING
9
Alternate Wiring (Conventional Systems)
If labels do not match letters on the thermostat, check the chart below and connect to terminal as
shown here (See notes, below).
If C or X wire is available then you can connect with C terminal. If there is no C or
X wire then no need to connect with C terminal.
If you have a heat pump without auxiliary/backup heat connect O or B, not both. If you
do not have a heat pump, do not connect B. Wrap bare end of wire with electrical tape.
Place a jumper (piece of wire) between Y and W if you are using a heat pump without
auxiliary/backup heat.
G
C
O
B
Y
RH/R
RH/R
or
X
or
Y1
M
or
F
or
RH
4
V
W2
E
or
W1
H
or or or or
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