Honeywell RTH9580 Wi-Fi - Alternate Wiring (Conventional System)

16
Installing your thermostat
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 11.
See key to
1
–
2
on page 17.
C
R
W
Y
G
2
1
2
C
K
Rc
R
W-
O/B
Y
G
W2-
Aux/E
Y2
L
W1
W2
Y2
RH
4
V
Rc
R
C1
X
B