10
4-3. Wiring System Diagrams
N OT E
(1) Refer to “Recommended Wire Length and Wire Diameter
for Power Supply System” for the explanation of “B,” “C,”
“D,” “E,” and “F,” in the above diagram. For “A”, please
refer to outdoor unit installation instructions.
(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.
(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 outdoor unit. Auto address
setting can be executed by remote controller automatically.
WARNING
This equipment must be properly earthed.
Fig. 4-1
Y2 Type
Fig. 4-2
U2
U1
R2
R1
L
N
R2
R1
R2
R1
R2
R1
2
1
2
1
U2
U1
L
N
U2
U1
L
N
U2
U1
L
N
2
1
2
1
2
1
D
E
C
B
L
N
L
N
L
N
L
N
2
1
B
B
B
C
D
D
C
2
1
A
L1
L2
L3
N
A
L1
L2
L3
N
F
C
L1
L2
L3
N
L1
L2
L3
N
U1
U2
2
1
Power supply
220 – 240V ~50/60Hz
Remote
controller
Remote
controller
Remote
controller
WHT
BLK
WHT
BLK
WHT
BLK
Power supply
220 – 240V ~50/60Hz
Power supply
220 – 240V ~50/60Hz
Power supply
220 – 240V ~50/60Hz
Ground
Ground
Ground
Ground
Ground
Ground
Inter-outdoor-unit control wiring
Ground
Ground
Ground
Outdoor unit
INV unit
Power supply
380 – 415V, 3 N~, 50Hz
Power supply
380 – 415V, 3 N~, 50Hz
Outdoor unit
INV unit
Ground
Ground
Ground
Ground
Ground
Ground
Indoor unit
(No. 1)
Indoor unit
(No. 2)
Indoor unit
(No. n)
Indoor unit
(No. 3)
Group control:
Terminal Board
Power supply
cable
Inter-unit con-
trol wiring
Inter-unit con-
trol wiring
Pana̲indoor̲F615696̲All.indb 10
Pana̲indoor̲F615696̲All.indb 10
2013/02/08 10:58:56
2013/02/08 10:58:56