Gree GUHN48NM3A1O - Page 79

76
U-MATCH Air
Conditioners
Service Manual
b. Gas pipe;
c. Blowing pipe;
d. Other places that professional personnel consider them unreliable;
4.1.2 Connection of electric wires with the terminal
1. Caution
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specially pointed out by our designers:
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larger than 2.5mm
2
.
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The lines must be installed by professional personnel.
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An electricity leakage protection switch and an air switch with gap between electrode heads larger than 3
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2. Connection of single wire
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Use wire stripper to strip the insulation layer (25mm long) from the end of the single wire.
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Remove the screw at the terminal board of the air-conditioning unit.
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3. Connection of multiple twisted wires
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Remove the screw at the terminal board of the air-conditioning unit.
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wires.
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25
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A. Singel wireB . Multiple twisted wires
Terminal
Insulation layer
Warning:
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to replace it.
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Before connecting lines, read the voltages of the relevant parts on the nameplate. Then carry out line
connection according to the schematic diagram.
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leakage switch and air switch, so as to deal with overload conditions.
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board, arc may arise.
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All line connections must conform to the schematic diagram of lines. Wrong connection may cause
abnormal operation or damage of the air-conditioning unit.

Do not let any cable contact the refrigerant pipe, the compressor and moving parts such as fan.

Do not change the internal line connections inside the air-conditioning unit. The manufacturer shall not be
liable for any loss or abnormal operation arising from wrong line connections.