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INSTALLATION INSTRUCTIONS
Step 3 - Installation of the Outdoor Unit (Cont.)
Model:
2U18MS2HDA
3U24MS2HDA
Model:
2U20EH2HDA
3U24EH2HDA
4U36MS2HDA
22
Outdoor Unit
C
Central Control
1
Outdoor unit
Power Wiring
To Service Disconnect
230 Volt Supply. 1 to L1, 2 to L2.
Indoor unit A
( C
)
1 )
(N
2
(L
)
3
A
Strain Relief
Brackets
Indoor unit B
B
A
Power Wiring
To Service Disconnect
208/230 Volt Supply. L1 to L1. L2 to L2.
Indoor Unit A
Suggested Colors:
L1=White
L2=Black
L3=Red
Ground= Solid Green
or Green-Yellow
1
2
3
1
2
3
C1 C2
2
3
Strain Relief Brackets
1
(N
)
(L
)
2
( C
)
( C
)
1 )
(N
2
(L
)
3
1 )
(N
2
(L
)
3
1 )
(N
2
(L
)
B
C
Indoor unit C
Indoor unit D
Sugested Colors
Control Wiring
1
=White
4 Wire - 14 AWG
2
=Black
Stranded
=Red
3
=Green
( C
)
3
D
31-5000564 Rev. 3
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