Honeywell RTH8500 - Alternate wiring (heat pump system only)

69-2715EF—07 18
Installing your thermostat
Alternate wiring (heat pump system only)
Use this if your wire labels don’t match the terminal labels.
Note: You must have
a C wire or equivalent.
See page 13.
RC
R
O/B
Y
G
C
L
E/AUX
K
MCR33530A
Y2
RC
R
O
Y
G
C
1
2
3
3
47
6
5
HEAT PUMP
Metal Jumper
AUX
See key to
1
–
7
on page 19.