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42VMC---N
Electrical connections
L
R
Models
42VMC 009N
42VMC 012N, 014N
42VMC 018N, 024N
Terminal box legend
Earth.
L
Live power supply.
N
Neutral power supply.
N
Neutral connection indoor/outdoor unit.
R
Live connection indoor/outdoor unit.
C
Neutral connection indoor/outdoor unit.
Y
Compressor interlocking contact.
O
Reversing valve control.
W2 Outdoor fan signal.
S
Defrost end signal.
Heat pump
42VMC 009N, 012N, 014N
Unit
N N
Y O
W
2
42VMC 018N, 024N, 028N, 036N, 048N
Unit
C Y
O
W
S
2
L
N
2.5
2.5
2.5
2.5
–
–
10
Minimum connection wire size between
indoor and outdoor units (mm
N
R
C
1.5
–
–
2.5
–
–
–
1.5
1.5
120
10 100
System
NOTE:
See outdoor unit installation
manual.
System
NOTE:
See outdoor unit installation
manual.
2
)
Y
O
1.5
1.5
2.5
2.5
1.5
1.5
Power supply cable
(direct power supply – shunted from outdoor unit)
Interlocking cable
E N G L I S H
W2
S
1.5
–
2.5
–
1.5
1.5
GB - 13
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