HP
GAS
B
O
ELEC
GAS
(F
A
N
)
W1
Y1
G
R
C
W2
RS2
RSGND
RS+5
Y1
G
R
C
W1/O/B
RS+5
RSGND
W2
6 Conductor 18 gauge
unshielded cable from the
thermostat to the equipment.
24 vac return
W
2
G
R
C
Y
1
RS2
Residential Heat Pump with b Reversing
Valve 1 Stage Cooling, with 2 stage Heat
6 Wire, 1 Stage Cooling, 2 Stage Heat
24 vac common
2nd stage heat circuit
HP
GAS
B
O
ELEC
GAS
(F
A
N
)
Fan Relay
Compressor Relay
Reversing Valve
Page 4.5
TOTALINE
b
4
Summary of Contents for P374-1 700
Page 3: ......
