4-3. Wiring System Diagrams
L
Power supply
N
220/230/240V ~ 50/60Hz
Ground
Remote
controller
WHT
1
1
BLK
2
2
L
Power supply
N
220/230/240V ~ 50/60Hz
Ground
Remote
controller
1
1
WHT
2
2
BLK
Group control:
L
Power supply
N
220/230/240V ~ 50/60Hz
Ground
L
Power supply
N
220/230/240V ~ 50/60Hz
Ground
Remote
controller
1
1
WHT
2
2
BLK
(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) 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).
Pana_indoor_F616337_Eng2.indd 16
Indoor unit
(No. 1)
L
N
C
B
U1
U2
D
Ground
R1
R2
Ground
Ground
C
Indoor unit
Ground
(No. 2)
F
L
Ground
N
B
U1
U2
Ground
D
R1
R2
Ground
C
Ground
Indoor unit
(No. 3)
L
N
Ground
B
E
U1
U2
R1
R2
Ground
C
Indoor unit
(No. n)
L
N
Ground
B
U1
U2
D
R1
R2
Ground
Outdoor unit
INV unit
A
L1
1
L2
2
L3
N
3
4
Inter-outdoor-unit control wiring
Outdoor unit
INV unit
A
L1
L2
3
L3
4
N
2P terminal board
L
N
L
N
Power
supply
16
L1
Power supply
L2
380 – 415V, 3 N~, 50 Hz
L3
N
Ground
L1
Power supply
L2
380 – 415V, 3 N~, 50 Hz
L3
N
Ground
Fig. 4-1
4P terminal board
U1
U2
R1
R2
U1
U2
R1
R2
Unit
Remote
control
control
line
line
Z1 Type
Fig. 4-2
2014-3-13 16:36:22