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Step 4. Follow Special Instructions
1. If you have two C and/or C1 wires connected to your old
thermostat, do not connect them to your new thermostat.
2. Disconnect the C and/or C1 wires. Make sure they do not touch
each other or any other wires.
3. Wrap the bare end of each C and/or C1 wire with electrical tape.
Y
C
C
R
W
OLD THERMOSTAT
WIRE HOLE
M22201
DO NOT CONNECT TO NEW
THERMOSTAT
WIRE
SCREW
TERMINAL
LETTER
DESIGNATION
G