18
CHECKPOINT: 3 OR 4 WIRES
√
The Electric Control Module requires your system to have either of the following:4 wires
W1,Y1,G,and R(o
r
RC or RH)
Do you have these wires?
YES
Great,please continue
to the
NEXT PAGE.
NO
Please check compatibility
or contact us!
RC RH G
Y
W
C
RC RH G
Y
W
C
The Electric Control Module
will work with your system!
STEP5
Take your Electric Control Module, wire labels, tools, your smart-phone, and go to
your HVAC system.
Thermostat wire labe
Label wires at your:
24
23
