LG ATNH126ELFB, Service Manual

Page: 93 / 151

Service Manual 97
MPS Variable SINGLE A
8.5 Wiring Connection
1Phase
Heat Pump Model.
3Phase
Heat Pump Model.
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 available from the manufacturer of its service agent.
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).
CAUTION
20m
m
GN
/YL
NORMAL
CROSS-SECTIONAL
AREA 0.75mm
2
(12k/18k/24k/30k)
AREA 1.25mm 2 (36k/48k60k)
20m
m
GN/YL
Capacity
12k BTU/h
18k BTU/h
24k BTU/h
30k BTU/h
36k BTU/h
48k BTU/h
60k BTU/h
1 Phase
1.0mm
2.5mm
2.5mm
2.5mm
-
-
-
3 Phase
-
-
-
-
2.5mm 2
3.0mm 2
3.0mm 2
NORMAL CROSS-SECTIONAL AREA
POWER
INPUT
Terminals on the indoor unit
Terminals on the outdoor unit
1(L) 2(N) 2(N) 3 1(L)
2(N) 3 4 5 1(L)
4 5
W
ARNING:
Make sure that the screws of the terminal are free from looseness.
Terminal Block
(Outdoor Unit)
Terminal Block
(Indoor Unit)
Power
Input
R S T N
1(L) 2(N) 3
1(L) 2(N) 3
4 5
1. All wiring must comply with LOCAL REGULATIONS.
2. Select a power source that is capable of supplying the current as required by the air conditioner.
3. Feed the power source to the unit via a distribution switch board designed for this purpose.
4. The terminal screws inside the control box may be loose due to vibration during transport.
Check the screws for loose connection.
(Running the air conditioner with loose connection can overload and damage electrical components.)
5. Always ground the air conditioner with a grounding wire and connector to meet the LOCAL REGULATION.