Installation Instructions

12
4-3. Wiring System Diagrams
L2
L1
U2
U1
L3
N
A
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
A
L
N
U2
U1
N
L
Power supply
220/230/240V ~50Hz
Power supply
220/230/240V ~50Hz
Remote
controller
WHT
BLK
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
Fig. 4-1
NOTE
(1) Refer to Section 4-2. “Recommended Wire Length
and Wire Diameter for Power Supply System” for the
explanation of “A”, “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) Auto address setting can be executed by remote controller
automatically. Refer to the Installation Instructions supplied
with the remote controller (optional).
L N U1 U2 R1 R2
6P terminal board
T2 Type
Power
supply
Remote
control
line
Unit
control
line
Fig. 4-2
PAC-i_T2-type.indb 12PAC-i_T2-type.indb 12 2013/06/11 18:55:362013/06/11 18:55:36