
42VMC
Electrical connections
  | Cooling only | 
Unit  | 42VMC 009, 012, 014 | 
System  | 
L N N![]()
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Y O W2
230V ~ 50Hz![]()
L N N Y O W2
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 N Y
Unit  | 42VMC 018, 024 | 
System  | 
R C Y

O W2 S
230V ~ 50Hz![]()
R C Y O W2 S
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 L N R C Y
  | 
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  | Minimum connection wire size between  | |||||
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  | indoor and outdoor units (mm2)  | 
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Model  | L  | N  | N  | 
  | R  | C  | 
  | Y  | 
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42VMC 009  | 2.5  | 2.5  | 1.5  | 
  | –  | –  | 
  | 1.5  | 
  | 
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42VMC 012, 014  | 2.5  | 2.5  | 2.5  | 
  | –  | –  | 
  | 2.5  | 
  | 
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  | 
  | 
  | 
  | 
  | 
  | 
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42VMC 018, 024  | –  | –  | –  | 
  | 1.5  | 1.5  | 
  | 1.5  | 
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Terminal box legend
Earth.
LLive 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.
10120
10 100
Mains supply connecting cable (field wiring).
Connecting cable, 
Indoor unit
Outdoor unit
Main switch
GB - 10