HP
GAS
B
O
ELEC
GAS
(FAN)
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
fan relay
compressor relay
1st stage heat circuit
W1
W2
G
R C
Y1
RS2
Residential & Commercial 1 Stage Cooling,
with 1st stage Electric Heat
6 Wire, 1 Stage Cooling, 1 Stage Heat
24 vac common
2nd stage heat circuit
HP
GAS
B
O
ELEC
GAS
(FAN)
Page 4.3
TOTALINE
4