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Wiring
Wiring
Refrigerant piping
Installing the circuit breaker and wires
Power supply
MCCB
Max : 242V
x [A]
Min : 198V
x [A] ≥ 1.25 X 1.1 X ∑Ai
(x [A] : MCCB/ELB ampheres, ∑Ai : Sum of the rated current ampheres of indoors)
Installing the wire
Supply the 220-240V/208-230V power to L1, L2 (L, N) of MCU separately
Connect the communication cable from the outdoor unit to F1, F2 of MCU.
Power Line and communication line must be connected as shown in drawing.
Case 1
MCU
ELB
Indoor
Outdoor
MCCB
Unit
Unit
220-240V/208-230V / Single Phase
(Supply separately)
Case 3
ELB
Outdoor
MCCB
MCU
Unit
220-240V/208-230V / Single Phase
(Supply separately)
20
ELB
Power cable
x [A], 30mmA
0.0039inch
(2.5mm
0.1 sec
Case 2
ELB
Indoor
Unit
MCCB
220-240V/208-230V / Single Phase
(Supply separately)
Indoor Unit
Indoor
Indoor
Indoor
Unit
Unit
Unit
Earth cable
2
2
0.0039inch
2
2
)
(2.5mm
)
MCU
Indoor
Outdoor
MCU
Unit
Unit
Communication cable
0.0012~0.0023inch
2
(0.75~1.5mm
Indoor
Indoor
Unit
Unit
2
)
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