Connecting The Cable Between Indoor Unit And Outdoor Unit - LG A3UW186FA3 Installation Manual

Multi series
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Connecting the Cable between Indoor Unit and Outdoor Unit

Connecting the Cable between Indoor Unit and Outdoor Unit
Connect the cable to the Indoor unit.
Connect the cable to the indoor unit by connecting the wires to the terminals on the control
board individually according to the outdoor unit connection. (Ensure that the color of the wires
of the outdoor unit and the terminal No. are the same as those of the indoor unit.)
The earth wire should be longer than the common wires.
The circuit diagram is not subject to change without notice.
When installing, refer to the circuit diagram behind the panel front of Indoor Unit the wiring
diagram on the Control Cover Inside Outdoor Unit.
CAUTION:
• The circuit diagram is not subject to change without notice.
• Be sure to connect wires according to the wiring diagram.
• Connect the wires firmly, so that not to be pulled out easily.
• Connect the wires according to color codes by referring the wiring diagram.
CAUTION: Provide a circuit
breaker between power source
and the unit as shown below.
CAUTION: The power cord connected to the outdoor unit should be complied
with the following specifications (Cable type approved by HAR or SAA).
Phase
Capacity
(kBtu/h)
NORMAL CROSS
SECTIONAL
AREA
Cable Type
The power connecting cable connected to the indoor and outdoor unit
should be complied with the following specifications (Type "B" approved by
HAR or SAA).
22 Multi Air Conditioner
18
21
24
27
1.5
1.5
2.5
2.5
NORMAL
CROSS-SECTIONAL
AREA 0.75mm
H07RN-F
30
40
48
56
2.5
3.5
4.0
4.0
H07RN-F
2
Main power source
Air
Conditioner
(mm
2
)
42
48
54
2.5
2.5
2.5
Circuit Breaker
Use a circuit breaker
or time delay fuse.

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