4, 5 WIRES
Factory RH-RC Jumper Wire Installed
G
B
G
F
AIR
FAN
CONDITIONER
NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRAY TERMINAL LETTERS ARE BRAND SPECIFIC
CONVENTIONAL (NON HEAT PUMP)
1-STAGE HEATING AND 1-STAGE COOLING
O
Y
RC
Y
Y1
6
SYSTEM COMMON
SYSTEM 24V
TRANSFORMER
RH
W2
A
R
RH
RC
V
HEATER
#4
W1
C
W
C
W1
X
4
B*
O
P
T
I
O
N
A
L