15
O
X
F
G
Y1
6
Y
B*
RC
V
R
W1
A
W2
O
B
C
G
Y
RC
RH
SINGLE-STAGE HEAT PUMP SYSTEM
WITH NO AUX OR EMERGENCY HEAT
#7
C
FAN
SYSTEM 24V
TRANSFORMER
SYSTEM COMMON
4, 5 WIRES
NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRAY TERMINAL LETTERS ARE BRAND SPECIFIC
O
P
T
I
O
N
A
L
HEAT PUMP
REVERSING
VALVE
** Use “O” or “B”
Terminals, Never Both
CUSTOMER INSTALLED Y-W1 Jumper Wire
Factory RH-RC Jumper Wire Installed
