38
To Indoor Unit C
L2
1(A)
3(A)
2(A)
208/230V Outdoor Unit
Terminal Block
From Power
Supply
Outdoor Unit
Indoor Unit E
1(B)
3(B)
2(B)
1(C)
3(C)
2(C)
1(D)
3(D)
2(D)
1(E)
3(E)
2(E)
Terminal Block
1 2 3
208/230V Indoor Unit
Indoor Unit D
Terminal Block
1 2 3
208/230V Indoor Unit
To Indoor Unit A
To Indoor Unit B
Figure 19. Multi-Zone Wiring
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 20. Communication - Single-Zone Wiring 36K and 48K Only