Lennox REAL VPC H4-3P Series

33
Figure 31. Typical Communication Wiring Non-VRF Air Handler & 3H/1C Thermostat
Figure 32. Typical Communication Wiring Non-VRF Air Handler & 2H/2C Thermostat
Y2
W/E
C
Y
C
G
THE RMOSTA T
INDOOR UNIT
OUTDOOR UNIT
G
R
O/B
H/DH
W2
W1
C
Y
W
Dh
Y1
R
Wiring for 3H and 1C thermostat
W2
Note: Because Y1 and Y2 are
jumped, the indoor fan will only run
in high stage.
Note: Any time the electric heat
elements are active, the indoor fan
will run in high stage.
O/B
O/B
Wiring for 2H and 2C thermostat
Note: Any time the electric heat
elements are active, the indoor fan
will run in high stage.
Y2
C
Y
C G
THERMOSTAT
INDOOR UNIT
OUTDOOR UNIT
G
R
O/B
H/DH
W2
W1
C
Y
W
Dh
Y1
R
Y2
O/B
O/B