Honeywell RTH8500 Thermostat User Manual


 
69-2715EF—07 14
Installing your thermostat
Wiring (conventional system)
7A Wire the Wi-Fi thermostat to your conventional system.
a Starting with the C Wire, match the sticky tag on the
wire to the terminal labels.
You must have a C wire. See page 13.
b Loosen screw, insert wire on inside edge of
terminal, then tighten screw.
c Verify wire is firmly secured by gently pulling
on wire.
d Repeat steps a–c for all other wires.
e Push any excess wire back into the wall
opening after all wires are installed.
f Continue to page 20.
Labels don’t match? See alternate
wiring key on pages 16–17.
Note: The wiring for your
application might be different
than the wiring from above.
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
MCR31541
Remove metal jumper
only if you have both
R and RC wires