Honeywell RTH6500 User Manual page 8

Installing your thermostat
Wiring (heat pump system only)
7B Wire Wi-Fi thermostat to your heat pump.
a Starting with the C Wire, match the sticky tag on the wire to the terminal labels.
You must have a C wire.
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 8.
Note: If old thermostat has separate wires on AUX and
E, place both wires into the E/AUX terminal.
If old thermostat has wire on AUX with a jumper to E,
place wire on E/AUX terminal. No jumper is required.
Alternate wiring (conventional system)
Use this if your wire labels don't match the terminal labels.
Note:
You must have
a C wire or equivalent.
Alternate wiring key (conventional system)
Do not use K terminal. For future use.
1
If your old thermostat had both R and RH wires, remove metal jumper.
2
Connect the R wire to the RC terminal, and the RH wire to the R terminal.
Remove metal jumper connecting R and RC only if you must connect both
3
R and RC.
69-2715EF—07
Y2 W2 G W
F
1
W2 G W
Y2
K
6
Labels don't match?
wiring key on pages 7.
K
Note:
application might be different
from the wiring shown above.
2
C Y R
RC
W1 X Y1 RH R
H B M 4
V
C1
C
Y R RC
See alternate
G O/B C
L Y R RC
AUX/E
The wiring for your
CONVENTIONAL
3
MCR33885
HEAT PUMP
MCR33877