Honeywell RTH5100B Owner's Manual - Page 8
Step 4. Follow Special Instructions Cont - installation
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Step 4. Follow Special Instructions (Cont) 4. Most installations have two to five wires connected to the old thermostat. If six or more wires are connected to your old thermostat (not counting the C or C1 wires), do not continue the installation. You may have purchased the wrong 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 Y1 G W2 Y2 W1 R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE SIX WIRES CONNECTED M22038 69-1716 8
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69-1716
8
Step 4. Follow Special Instructions (Cont)
4.
Most installations have two to five wires connected
to the old thermostat. If six or more wires are
connected to your old thermostat (not counting
the C or C1 wires),
do not continue the installation
.
You may have purchased the wrong thermostat.
Visit
www.honeywell.com/yourhome
or call
Honeywell Customer Care at 1-800-468-1502
before returning the thermostat to the store.
Y1
G
W2
Y2
R
W1
OL
D
T
H
E
R
M
OST
A
T
WIRE HOLE
M22038
SIX WIRES CONNECTED
WIRE
SCREW
TERMINAL
LETTER
DESIGNATION