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12
Step 4: Label the wires
• Label only the R, Y/Y1, G, and W/W1 wires with the matching wire labels provided.
• If you have more than one wire going into these terminals, label only those wires going to your
thermostat.
Note:
If you have wires connected to both RC and RH terminals at the HVAC control board, you
may have a two-transformer system. Contact our technical support to help you with the
installation:
Email: [email protected]
Toll Free: 1-888-700-1098
Y
W
G
C
R
HVAC control board
Wires going to your
thermostat
Fig 12-A