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Step 5. Label Old Thermostat Wires
1. As you disconnect each wire, use the enclosed wire labels to
wrap a wire label around each wire that matches the letter
designation. Do not allow the wires to fall into the wall opening
after the wires are disconnected.
2. Remove any remaining part of the old thermostat from the wall.
When connecting the wires to the new thermostat, refer to
the wire labels. Do not connect wires to your new thermostat
based on the color of the wire.
Y
G
R
C
R
OLD THERMOSTAT
WIRE HOLE
M22039
WIRE
SCREW
TERMINAL
LETTER
DESIGNATION
WIRE LABEL
W
W
G
Y
R
RC