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Connect Wires - Honeywell RTH8500WF Wi-Fi Series Quick Start Manual

Wi-fi touchscreen programmable thermostat
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1.7 Connect wires

1.7a Starting with the C Wire, match the
sticky tag on the wire to the terminal
labels.
Important!
C wire is required and is the
primary power source. Without a C wire,
your thermostat will not power up.
View the Alternate Wiring videos at
wifithermostat.com/videos
1.7b Loosen screw, insert wire on inside
edge of terminal, then tighten screw.
1.7c Verify wire is firmly secured by gently
pulling on wire.
1.7d Repeat steps 1.7a–1.7c for all other wires.
1.7e Push any excess wire back into the wall
opening after all wires are installed.
Labels don't match or have heat pump system?
See User Guide.
Remove metal jumper
have both R and RC wires
HEAT PUMP
CONVENTIONAL
Y2
L
E/AUX
W2
K
K
Insert wires here
Note:
The wiring for your
application might be different
than the wiring from above.
8
only
if you
RC
RC
R
R
W
O/B
Y
Y
G
G
C
C
MCR31541A

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