8
WIRING DIAGRAMS
Table 1: Terminals for eight wires. 3-stage heat/2-
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
ST
AG
E 2
CO
M
P
R
ES
SO
R
IND
OOR F
A
N-LOW
INDOOR F
A
N-HIGH