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38GL_M…G / 38YY(S)_M…G
GB - 12
Electrical connections
Mod. 38GL3M21G
WARNING!
The system power supply must always be made
through the outdoor unit.
If the indoor units are provided with heaters, their
power supply must be ensured by indoor sections.
Terminal box legend
Earth
L
Live power supply
N
Neutral power supply
R
Live connection indoor/outdoor unit
C
Neutral connection indoor/outdoor unit
Y
Compressor interlocking contact
Mod. 38GL3M30G
L N R C Y
쐋 쐏
쐇
R C Y
L N N
쐃
A1
A2
230V ~ 50Hz
Y
L N N Y
쐃
쐋 쐏
230V ~ 50Hz
R
쐃
C Y
L N R C Y
B
A1
A2
B
L N R C Y
R C Y
R C Y
A 2
B
햲
햵
A 1
햵
햵
L N R C Y
B
L N R C Y
R C Y
A 1
A 2
햵
햲
햲
햵 햵
L N R C Y
쐋 쐏
쐇
R C Y R C Y
쐃
쐃
쐃
A1
A2
B
230V ~ 50Hz
N N Y
L
N N Y
L
N N Y
L
A1
A2
B
햲
Mains supply connecting cable (field wiring)
햵
Connecting cable Outdoor unit – Indoor unit
(R - C - Y -
) - (field wiring)
쐃
Indoor unit
쐇
Outdoor unit
쐋
Main switch
쐏
Time-delay fuse or circuit breaker
(see table V "Electrical data")
1
4
10
120
10
100