Wiring System Diagrams - Panasonic S-22MU1E51 Technical Data Manual

3. Electrical Wiring

3-3. Wiring System Diagrams

L
Power supply
N
220 – 240V ~50/60Hz
Ground
Remote
D
controller
WHT 1 1
2 2
BLK
L
Power supply
N
220 – 240V ~50/60Hz
Ground
Remote
controller
D
WHT 1 1
2 2
BLK
Group control:
L
Power supply
N
220 – 240V ~50/60Hz
Ground
L
Power supply
N
220 – 240V ~50/60Hz
Ground
Remote
D
controller
WHT 1 1
BLK 2 2
(1) Refer to Section 3-2. "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 7P terminal board, 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) Address setting can be executed by remote controller
automatically. Refer to Section 5.
(5) Regarding S-280ME1E5, the power supply
is 220-240V, 50Hz.
Indoor unit
(No. 1)
L
N
C
B
U1
U2
Ground
R1
R2
Ground
C
Indoor unit
Ground
(No. 2)
F
L Ground
N
B
U1
U2 Ground
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
R1
R2
Outdoor unit
INV unit
A
L1
U1
L2
U2
L3
N
1
2
Inter-outdoor-unit control wiring
Outdoor unit
INV unit
A
L1
L2
1
L3
2
N
4P terminal board
L1 L2 L3 N
Power supply
(14 hp, 16 hp, 18 hp and 20 hp)
4P terminal board
L1 L2 L3 N
Power supply
(8 hp, 10 hp and 12 hp)
2P terminal board × 2
U1 U2 1 2
Inter-unit Inter-outdoor unit
control wiring control wiring
ME1 Type
7P terminal board
L N U1 U2 R1
Power Unit Remote
supply control controller
wiring line
T1, F1, E1, D1, L1 Types
6P terminal board
L N U1 U2 R1 R2
Power Unit Remote
supply control control
line line
U1 Type
2-27
Design of 2WAY SYSTEM
L1
Power supply
L2
380 – 415V, 3 N~, 50Hz
L3
N
Ground
L1
Power supply
L2
380 – 415V, 3 N~, 50Hz
L3
N
Ground
6P terminal board
L N U1 U2 R1 R2
Power Unit
Remote
supply control
control
line line
F2 Type
6P terminal board
L
N U1 U2 R1 R2
Power Unit Remote
supply control control
line line
U1, Y1, M1, P1, R1 Types
5P terminal board
L N U1 U2
Unit
Power
control
supply
line
K1 Type
6P terminal board
Power Inter-unit Remote
R2
supply control control
cable wiring wiring
K2 Type
Terminal Board
Power supply Inter-unit con- Inter-unit con-
cable trol wiring trol wiring
Y2 Type
1
2
3
4
5
6
7
8
9