Honeywell RTH8500 Guide De L'utilisateur page 9

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. See page 6.
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 9.
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.
See page 6.
Alternate wiring key (conventional system)
Remove metal jumper connecting R and RC only if you must connect both
1
R and RC.
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.
3 Do not use K terminal. For future use.
Y2
Y2
W2
W2
K
3
Labels don't match?
wiring key on page 8.
E/AUX
CONVENTIONAL
RC
R
W
Y
G
C
7
See alternate
HEAT PUMP
L
K
Note:
The wiring for your
application might be different
than the wiring from above.
Metal Jumper
RC
1
R
2
W
Y
G
C
33-00133EF—01
RC
R
O/B
Y
G
C