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Power Wiring Diagram
You can use 3 phase 3 wires and single phase ELB with the outdoor unit or 3 phase 4 wires ELB separately.
When using 3 phase and single phase ELB
MCCB
Single
3 Phase
ELB
ELB
Phase
3 Wires
MCCB
MCCB
component box
C C
A A
U U
T T
I I
O O
N N
C C
A A
U U
T T
I I
O O
N N
The connection cables A and B are for drawing 220V power
supply from the 3 phase 4 wires.
The single phase is supplied to the outdoor unit, detach the
connection cables A and B terminal.
When using 3 phase and 4 wire ELB
Power Supply
MCCB
3 Phase
ELB
4 Wires
MCCB
component box
C C
A A
U U
T T
I I
O O
N N
C C
A A
U U
T T
I I
O O
N N
You don't have to supply single phase 220V to the outdoor unit.
The single phase is not supplied to the outdoor unit, maintain
the cables A and B terminal.
Power Supply
Electrical
Indoor Unit
Electrical
Indoor Unit
Part B
Part A
Single
Cable
Phase
clamp
AC220V
Communication
Power cable for
Cable
indoor unit
Part B
Part A
Cable
clamp
Communication
Power cable for
Cable
indoor unit
3 Phase
Power Cable
3 Phase
Power Cable
17
E-
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