Wiring System Diagrams - Panasonic S-22MU1E5 Installation Instructions Manual

4-3. Wiring System Diagrams

L
Power supply
N
220 – 240V ~50/60Hz
Ground
Remote
controller
WHT
1 1
BLK 2 2
L
Power supply
N
220 – 240V ~50/60Hz
Ground
Remote
controller
WHT
1 1
BLK 2 2
Group control:
L
Power supply
N
220 – 240V ~50/60Hz
Ground
L
Power supply
N
220 – 240V ~50/60Hz
Ground
Remote
controller
WHT
1 1
BLK
2 2
NOT E
(1) Refer to Section 4-2. "Recommended Wire Length
and Wire Diameter for Power Supply System" for the
explanation of "A", "B", "C", "D", "E" and "F" 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).
Indoor unit
(No. 1)
L
N
B
U1
U2
D
R1
R2
Ground
C
Indoor unit
(No. 2)
Ground
L
N
B
U1
U2
D
R1
R2
Ground
C
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
Outdoor unit
INV unit
C
L1
1
L2
2
L3
Ground
N
3
4
Ground
F
Inter-outdoor-unit control wiring
Outdoor unit
INV unit
Ground
L1
L2
3
L3
4
N
L
Power
supply
L
38
A
L1
Power supply
L2
380 – 415V, 3 N~, 50Hz
L3
N
Ground
A
L1
Power supply
L2
380 – 415V, 3 N~, 50Hz
L3
N
Ground
7P terminal board
N U1 U2
Unit
control
wiring
T1, F1, E1 Types
6P terminal board
N U1 U2 R1
Power Unit Remote
supply control control
line line
U1, Y1, M1 Types
ex.) MF1 Type
Fig. 4-1
R1 R2
Remote
controller
line
R2
Fig. 4-2