Connecting Cables Between Indoor Unit And Outdoor Unit - LG LBNK3660BL Service Manual

4. Connecting Cables between Indoor Unit and Outdoor Unit

1) Connecting cables to the Indoor Unit
Connect the wires to the terminals on the control board individually according to the
outdoor unit connection.
• Ensure that the color of the wires of outdoor unit and the terminal No. are the same as
those of indoor unit respectively
• Cooling & Heating type
Terminals on the indoor unit
Terminals on the outdoor unit
The power cord connected to the outdoor unit should be
complied with the following specifications (Rubber
insulation, type H05RN-F approved by HAR or SAA).
If the supply cord is damaged, it must be replaced by a special cord or assembly availible from the manufacturer of its service agent.
WARNING
Make sure that the screws of the terminal are free from looseness.
2) Clamping of cables
1) Arrange 2 power cables on the control panel.
2) First, fasten the steel clamp with a screw to the inner boss of control panel.
3) For the cooling model, fix the other side of the clamp with a screw strongly.
For the heat pump model, put the 1.25mm
plastic clamp to the other boss of the control panel.
4) In Australia, the length of power supply cord measured from the entry of the power supply cord to the
middle of live pin on the power plug should be over 1.8m.
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
1 2 3 4 5
1 2 3 4 5
CAUTION
NORMAL CROSS-SECTIONAL AREA
Capacity 1 Phase 3 Phase
2
3.5mm -
30K BTU/h
2 -
36K BTU/h 5.5mm
2
42K BTU/h 8.5mm -
2
5.5mm
48K BTU/h –
2
60K BTU/h – 5.5mm
–
2
72K BTU/h 5.5mm
– 2
90K BTU/h 5.5mm
– 2
100K BTU/h 5.5mm
2
(380-415V3N~)
R S
POWER INPUT
The connecting cable connected to the indoor and outdoor
unit should be complied with the following specifications
(Rubber insulation, type H05RN-F approved by HAR or SAA).
cable(thinner cable) on the clamp and tighten it with a
- 26 -
(220-240V~)
T N 1(L) 2(N)
POWER INPUT
NORMAL
CROSS-SECTIONAL
AREA 1.25mm 2
LGE Internal Use Only