Wiring System Diagrams - Panasonic S-22MY2E5 (CZ-KPY3) Series Installation Instructions Manual

4-3. Wiring System Diagrams

L
Power supply
N
220 – 240V ~50/60Hz
Ground
Remote
D
controller
1 1
WHT
2 2
BLK
L
Power supply
N
220 – 240V ~50/60Hz
Ground
Remote
controller
D
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
D
WHT
1 1
BLK 2 2
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.
Indoor unit
(No. 1)
L
N
C
B
U1
U2
Ground
R1
R2
Ground
C
Indoor unit
Ground
(No. 2)
F
Ground
L
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
L1
L2
U1
L2
L3
U2
L3
N
N
1
2
Inter-outdoor-unit control wiring
Outdoor unit
INV unit
A
L1
L1
L2
L2
L3
1
L3
N
2
N
Ground
Power supply
cable
10
Power supply
380 – 415V, 3 N~, 50Hz
Ground
Power supply
380 – 415V, 3 N~, 50Hz
Fig. 4-1
Terminal Board
Inter-unit con- Inter-unit con-
trol wiring trol wiring
Y2 Type
Fig. 4-2