9
Table 2: Terminals for seven wires. 2-stage
heat/1-stage cool system
WIRING DIAGRAMS
Table 3: Terminals for six wires. 1-stage heat/1-
stage cool system
R
C
B
Y1
W
Y2
GL
GH
24 V
A
C
HO
T
24 V
A
C
C
O
MMON
REVER
SING V
A
LV
E
ST
AG
E 1
CO
M
P
R
ES
SO
R
HE
A
T-ELE
CTRIC
IND
O
OR F
A
N-L
O
W
IND
OOR F
A
N-HIGH
R
C
B
Y1
W
Y2
GL
GH
24 V
A
C
HO
T
24 V
A
C
C
O
MMON
ST
AG
E 1
CO
M
P
R
ES
SO
R
HE
A
T-ELE
CTRIC
IND
OOR F
A
N
-L
O
W
IND
OOR F
A
N-HIGH