LG THERMA V HN0916T Installation Manual page 54

PIPING AND WIRING FOR OUTDOOR UNIT
54
Electric Heater Wiring
CAUTION
!
Power Cable Specification : The power cord connected to the electric heater should be
complied with IEC 60245 or HD 22.4 S4(Rubber insulated cord, type 60245 IEC 66 or
H07RN-F)
1 Phase(Ø)
(For 2kW, 4kW)
If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or
similarly qualified persons in order to avoid a hazard.
External power
supply
L G
Terminal Block 3
at Indoor unit
N
L1 L2
1Ø Electric Heater (2kW)
External power
supply
L G
Terminal Block 3
S
N
T
L1
3Ø Electric Heater (6kW)
Additional bridge Wire
from L3 to L2
(For 4kW)
L3 N G
at Indoor unit
L2 L3 N G
3 Phase(Ø)
NORMAL
CROSS-SECTIONAL
AREA 4 mm 2
(For 6kW)
External power
supply
L G
N
It is necessary to connect
the bridge from L3 to L2
1Ø Electric Heater (4kW)
NORMAL
CROSS-SECTIONAL
2
AREA 4 mm
Terminal Block 3
at Indoor unit
L1 L2 L3 N G