Honeywell RTH8500WF Wi-Fi Series - Connect Wires to Terminals

8
Y2
W2
K
RC
R
W
Y
G
C
RC
R
O/B
Y
G
C
R
W
G
C
Y
HEAT PUMP
CONVENTIONAL
L
E/AUX
K
MCR31541A
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.
Note: The wiring for your
application might be different
than the wiring from above.
Labels don’t match or have heat pump system?
See User Guide.
Remove metal jumper only if you
have both R and RC wires
Insert wires here