TOTALINE P374-1800 Installation Instructions Manual page 17

6 Wire, 1 Stage Cooling, 2 Stage Heat
Residential Heat Pump with b Reversing
Valve 1 Stage Cooling, with 2 stage Heat
5
W2
MISC1
RS2
MISC3
RS+5
RS1
RSGND
ELEC
GAS
HP
GAS
W3
HUM
DEHUM
Y2
(MISC1
MISC3 MISC2 MISC1 ONLY)
W1
Y1
B
G
MISC2
O
R
INSTALL HUMIDITY
MODULE WITH SENSING
ELEMENT OUTWARD
C
24 vac common
24 vac return
Fan Relay
Compressor Relay
Reversing Valve
2nd stage heat circuit
W1/O/B
Y1
G
MISC2
R
C
6 Conductor 18 gauge
ELEC
GAS
unshielded cable from the
HP
GAS
thermostat to the equipment.
B
O
W2
MISC1
RS2
MISC3
RS+5
RS1
RSGND
Page 5.5
TOTALINE