Lennox MCFA036S4-*P

16
IMPORTANT
All diagrams (Figure 29 through Figure 39) are typical wiring diagrams. Refer to the wiring diagram on the unit for actual
wiring.
208/230V Outdoor Unit
Terminal Block
From Power
Supply
1 2 3 L1 L2
Terminal Block
1 2 3
208/230V Indoor Unit
Outdoor Unit Indoor Unit
Figure 27. Single-Zone Wiring 30K and Below
From Power
Supply
Indoor Unit
CommunicationTerminal Block
L1 L2
Power Terminal Block
208/230V Outdoor Unit
L1 L2
L1 L2
Power Terminal Block
208/230V Outdoor Unit
Power Terminal Block
208/230V Indoor Unit
S1 S2
Communication Terminal Block
Outdoor Unit
E Y X
Y
Q
S1
E P
S2
Outdoor Unit
Indoor Unit
Figure 28. Single-Zone Wiring 36K and Above