Lennox REAL VPC H4-3P Series

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Figure 31. Typical Communication Wiring Non-VRF Air Handler & 1H/1C Thermostat
Figure 32. Typical Communication Wiring Non-VRF Air Handler & 2H/1C Thermostat
Wiring for 1H and 1C thermostat
Y2
C
Y
C G
THERMOSTAT
INDOOR UNIT
OUTDOOR UNIT
G
R
O/B
H/DH
W2
W1
C
Y W
Dh
Y1
R
Note: Because Y1 and Y2 are
jumped, the indoor fan will only run
in high stage.
O/B
O/B
Wiring for 2H and 1C thermostat
Y2
C
Y
C
G
THERMOSTAT
INDOOR UNIT
OUTDOOR UNIT
G
R
O/B
H/DH
W2
W1
C
Y
W
Dh
Y1
R
W/E
Note: Because Y1 and Y2 are
jumped, the indoor fan will only run
in high stage.
Note: W1 and W2 are jumped, so
Electric Heat will only function in
high stage.
O/B
O/B