Wiring Connection - LG LT-D5480HL Service Manual

5. Wiring Connection

• Open the control box cover and connect the Remote controller cord and Indoor power wires.
Indoor
power cord
Remote
controller
cord
• 3 Phase
Heat Pump Model
Cooling 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 or its service agent.
WARNING
Make sure that the screws of the terminal are free from looseness.
Control box cover
Control box cover
fitting screw(2 units)
Terminal Block of Outdoor Unit
R S T N
1(L) 2(N) 3
POWER INPUT
Terminal Block of Outdoor Unit
R S T N
1(L) 2(N) 3
POWER INPUT
• 3 Phase
NORMAL
CROSS-SECTIONAL
AREA 2.5mm 2 (36K)
3.5mm 2 (48K, 54K)
• 1 Phase
NORMAL
CROSS-SECTIONAL
AREA 4.0mm 2 (36K)
6.0mm 2 (48K)
8.0mm (54K)
2
Terminal Block of Indoor Unit
4 5 1(L) 2(N) 3
Terminal Block of Indoor Unit
4 5 1(L) 2(N) 3
CAUTION
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).
–18–
[Air inlet side view]
4 5
4 5
NORMAL
CROSS-SECTIONAL
AREA 0.75mm (36K)
2
1.25mm 2 (48K, 54K)