Honeywell RTH8500D Owner's Manual - Page 8
Step 4. Follow Special Instructions Cont - thermostats
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Step 4. Follow Special Instructions (Cont) 4. If you have only one C and/or C1 wire connected to your old thermostat, connect this wire to C on the new thermostat. Visit www.honeywell.com/yourhome or call Honeywell Customer Care at 1-800-468-1502 before returning the thermostat to the store. OLD THERMOSTAT Y G C W R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE CONNECT TO THE "C" ON THE NEW THERMOSTAT M22223 69-1725-1 8
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69-1725-1
8
Step 4. Follow Special Instructions (Cont)
4.
If you have only
one
C and/or C1 wire connected to your old
thermostat, connect this wire to C on the new thermostat.
Visit www.honeywell.com/yourhome
or call Honeywell
Customer Care at 1-800-468-1502 before returning the
thermostat to the store.
Y
C
R
W
OLD THERMOSTAT
WIRE HOLE
M22223
CONNECT TO THE "C" ON THE
NEW THERMOSTAT
WIRE
SCREW
TERMINAL
LETTER
DESIGNATION
G