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5. Electric wiring
WARNING
DANGER OF BODILY INJURY OR DEATH
TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE
MAKING ANY ELECTRIC CONNECTIONS. GROUND CONNECTIONS MUST BE
COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS.
(1) Selection of size of power supply and interconnecting wires.
Precautions for Electric wiring
Electric wiring work should be conducted only by authorized personnel.
Do not connect more than three wires to the terminal block. Always use round type crimped terminal
lugs with insulated grip on the ends of the wires.
Use copper conductor only.
Select wire sizes and circuit protection from table below. (This table shows 20 m length wires with
less than 2% voltage drop.)
(2) Wiring connection
Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by
terminals.
Item
Model
Phase
3
Switch breaker
(A)
Circuit breaker
Overcurrent protector
rated capacity (A)
Power source
wire size
(minimum)
30 20
2.5mm
2
AD36NAMBEA(ECO)
AD42NAMBEA(ECO)
AD28NAMBEA(ECO)
AD182AMBEA(ECO)
AD242AMBEA(ECO)
AD28NAMBEA(ECO)
AD28NAMBEA(ECO)
AD36NAMBEA(ECO)
AD42NAMBEA(ECO)
Installation Manual For Indoor Unit
1
40 26
4.0mm
2
AD242AMBEA(ECO)
AD28NAMBEA(ECO)
POWER SUPPLY : 1PH,220-230V~,50Hz
L N
1 2 3
W B
R
Y/G
W B
Y/G
Y/G
INDOOR UNIT
TERMINAL BLOCK
Y/G
1 2 3
W
B
R
Y/G
OUTDOOR UNIT
TERMINAL BLOCK
POWER SUPPLY : 380-400V,3N~,50Hz
R S T
N 1 2 3
1 2 3
W B R Y/G
Y/G
Y/G
INDOOR UNIT
TERMINAL BLOCK
OUTDOOR UNIT
TERMINAL BLOCK
INDOOR UNIT
TERMINAL BLOCK
OUTDOOR UNIT
TERMINAL BLOCK
1 2 3 N L
W B
R BL BR
Y/G
1 2 3
W B
R
Y/G
POWER SUPPLY : 1PH,220-230V~,50Hz
Y/G
Y/G
AD182AMBEA(ECO)
Note: For this type, the indoor unit terminal block, the meaning of marks "BL" and "B" are equal, marks
"BR" and "W" are equal.
2.5mm
2