Lennox MPA024S4S-*P Installation Instructions Manual page 16

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
Power Terminal Block
From Power
Supply
Communication Terminal Block
IMPORTANT
208/230V Outdoor Unit
Terminal Block
1 2 3 L1 L2
From Power
Outdoor Unit
Figure 27. Single-Zone Wiring 30K and Below
208/230V Outdoor Unit
Power Terminal Block
L1 L2
L1 L2
Outdoor Unit
S1 S2
Outdoor Unit
Figure 28. Single-Zone Wiring 36K and Above
208/230V Indoor Unit
Terminal Block
1 2
Supply
Indoor Unit
208/230V Indoor Unit
Power Terminal Block
16
3
Indoor Unit
CommunicationTerminal Block
E Y X Q
S1
Y
L1 L2
Indoor Unit
E P
S2