LG LMU240HE Service Manual - Page 31

Connect the cable to the Outdoor unit. - control board

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Connecting the Cable between Indoor Unit and Outdoor Unit Connect the cable to the Outdoor unit. 1. Remove the cover control from the unit by loosening the screw. Connect the wires to the terminals on the control board individually as the following. 2. Secure the cable onto the control board with the holder (clamper). 3. Refix the cover control to the original position with the screw. Outdoor unit Terminal block Over 5mm Holder for power supply cord 24k Outdoor side A-UNIT 1234 B-UNIT 1234 Connecting cable(Low voltage) Cover control Connecting cable Power supply cable 12 34 Terminal BLOCK Indoor A-UNIT L N Power Source 208/230V AC (High voltage) 12 34 Terminal BLOCK Indoor B-UNIT NOTICE : 1. Separately wire the high and low voltage line. 2. Use heat-proof electrical wiring capable of withstanding temperature up to 75°C(167°F). 3. Use outdoor and waterproofCcoonnnecntiengcctaibolen(Locwavbolltaeger)ated more than 300V for the connection between indoor and outdoor unit. (For example, Type SJO-WA) WARNING: • Be sure to comply with local codes while running the wire from the indoor unit to the outdoor unit(size of wire and wiring method, etc). • Every wire must be connected firmly. • No wire should be allowed to touch refrigerant tubing, the compressor or any moving parts. Service Manual 31

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Service Manual
31
Connect the cable to the Outdoor unit.
1. Remove the cover control from the unit by loosening the
screw.
Connect the wires to the terminals on the control board
individually as the following.
2. Secure the cable onto the control board with the holder
(clamper).
3. Refix the cover control to the original position with the
screw.
:
1. Separately wire the high and low voltage line.
2. Use heat-proof electrical wiring capable of withstanding temperature up to 75
°
C(167
°
F).
3. Use outdoor and waterproof connection cable rated more than 300V for the connection between indoor and outdoor unit.
(For example, Type SJO-WA)
WARNING:
•
Be sure to comply with local codes while running the wire from the indoor unit to the outdoor unit(size of
wire and wiring method, etc).
•
Every wire must be connected firmly.
•
No wire should be allowed to touch refrigerant tubing, the compressor or any moving parts.
NOTICE
Outdoor unit
Over 5mm
Holder for
power supply
cord
Connecting
cable
Cover control
Terminal block
Power supply
cable
A-UNIT
4
3
2
1
B-UNIT
4
3
2
1
Terminal BLOCK
4
3
2
1
L
N
Power Source
208/230V AC
(High voltage)
Indoor A-UNIT
24k Outdoor side
Indoor B-UNIT
Connecting cable(Low voltage)
Connecting cable(Low voltage)
Connecting cable(Low voltage)
Terminal BLOCK
4
3
2
1
Connecting the Cable between Indoor Unit and Outdoor Unit