12
4-3. Wiring System Diagrams
N OT E
(1) Refer to Section 4-2. “Recommended Wire Length
and Wire Diameter for Power Supply System” for the
explanation of “B”, “C”, “D” and “E” in the above diagram.
(2) The basic connection diagram of the indoor unit shows the
terminal boards, so the terminal boards in your equipment
may differ from the diagram. (Fig. 4-2)
(3) Refrigerant Circuit (R.C.) address should be set before
turning the power on.
(4) Regarding R.C. address setting, refer to the installation
instructions supplied with the remote controller unit
(Optional). Auto address setting can be executed by
remote controller automatically. Refer to the installation
instructions supplied with the remote controller unit
(optional).
L
N
U1
U2
R1
R2
6P terminal board
F1 Type
Power
supply
Remote
control
line
Unit
control
line
Fig. 4-2
Fig. 4-1
L2
L1
U2
U1
L3
N
L1
L2
L3
N
U2
R2
U1
R1
R2
R1
L
N
U2
U1
2
1
D
C
B
L
N
L
N
2
1
B
E
C
L
N
L
N
U2
U1
N
L
Power supply
220/230/240V ~50Hz
Remote
controller
WHT
BLK
Power supply
220/230/240V ~50Hz
Power supply
380/400/415V, 3 N~, 50Hz
Ground
Ground
Ground
* 3-phase model connections
Ground
Ground
Outdoor unit (3-phase)
INV unit
Ground
Indoor unit
(No. 1)
Indoor unit
(No. 2)
Ground
* Single-phase model connections
Power supply
220/230/240V ~50Hz
Outdoor unit (single-phase)
INV unit
II̲09̲F616388̲EU̲L.indb 12
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2013/12/11 15:12:25
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