Honeywell RTH8500D Owner's Manual - Page 7
Step 4. Follow Special Instructions - thermostat instructions
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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. OLD THERMOSTAT Y G C C W R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE DO NOT CONNECT TO NEW THERMOSTAT M22201 7 69-1725-1
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7
69-1725-1
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