Panasonic S-15MY2E5A Technical Data Manual page 4

1. Electrical Wiring
1-3. Wiring System Diagrams
L
Power supply
N
220/230/240V ~50/60Hz
Ground
Remote
controller
WHT 1 1
2 2
BLK
L
Power supply
N
220/230/240V ~50/60Hz
Ground
Remote
controller
WHT 1 1
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
WHT 1 1
BLK 2 2
(1) Refer to Section 1-2. "Recommended Wire Length and
Wire Diameter for Power Supply System" for the
explanation of "B", "C", "D" and "E" 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.
Indoor unit
(No. 1)
L
N
B
U1
U2
D
Ground
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
C
To outdoor unit
6P terminal board
L N U1 U2 R1 R2
Power Unit Remote
supply control control
line line
U1 Type
6P terminal board
L N U1 U2 R1 R2
Power Unit
Remote
supply control
control
line
line
F2 Type
Terminal Board
Power supply Inter-unit con- Inter-unit con-
cable trol wiring trol wiring
Y2 Type
2-3
Design of VRF SYSTEM
6P terminal board
L N U1 U2 R1 R2
Power Unit Remote
supply control control
line line
T2 Type
5P terminal board
L N U1 U2
Unit
Power
control
supply
line
K1 Type
6P terminal board
Power Inter-unit Remote
supply control control
cable wiring wiring
K2 Type
Fig. 2-1
1
2
3
4
5
6
7
8
9