5
Step 3: Connect Wiring Module to thermostat.
Use the existing wires from the Wiring Module to where the thermostat is
installed to connect the (R), (C), and (D) terminals from the Wiring Module to
the matching (R), (C), and (D) terminals at the thermostat’s back plate.
HVAC Control Board
Wiring Module mounted at control board.
Thermostat back plate mounted in room.
Y2
W2
G
W
Y
R
C
Dh
Hu
Maximum 500'. We recommend
unshielded 18 gauge thermostat
wire.