Diameter For Power Supply System; 4-3. Wiring System Diagram - Panasonic U-72MF1U9 Installation Instructions Manual

4-3. Wiring System Diagram

L1
Power supply
L2
208 / 230V, 60Hz, 1-PH
Ground
Remote
Controller
WHT
1 1
BLK 2 2
L1
Power supply
L2
208 / 230V, 60Hz, 1-PH
Ground
Remote
Controller
WHT
1 1
BLK 2 2
Group control:
L1
Power supply
L2
208 / 230V, 60Hz, 1-PH
Ground
K1 Type
L1
Power supply
L2
208 / 230V, 60Hz, 1-PH
Ground
BLK
Remote
WHT
Controller
BLK BLK
2
WHT WHT
1
CONNECTOR
2P(WHT)
NOTE
(1) Refer to Section 4-2. "Recommended Wire Length and
Wire Diameter for Power Supply System" for the
explanation of "A," "B," "C," and "D," 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) Regarding the R.C. address setting, refer to Section
7-4. "Auto Address Setting". Address setting can be
executed by remote controller automatically.
Indoor
unit (No. 1)
*
L1
L2
A
U1
U2
B
R1
R2
A
Indoor
D
* unit (No. 2)
L1
L2
U1
U2
B
R1
R2
A
Indoor
unit (No. 3)
*
L1
L2
U1
C
U2
R1
R2
A
Indoor
* unit (No. n)
L1
L2
U1
U2
B
BLK
3
WHT
1
29
Outdoor unit
INV unit
*
L1
L1
L2
1
L2
L3
2
L3
3
Ground
4
Inter-outdoor unit control wiring
Outdoor unit
INV unit
*
L1
L1
L2
L2
L3
3
L3
4
Ground
* NOTE:
Disconnect Switch may be needed by the
National/Local code.
ALWAYS COMPLY WITH NATIONAL AND
LOCAL CODE REQUIREMENTS.
4P terminal board
L1 L2 L3
4P terminal board
1 2 3 4
Inter-unit Inter-outdoor unit
control wiring control wiring
Outdoor Unit
Power supply
208 / 230V, 60Hz, 3-PH
Power supply
208 / 230V, 60Hz, 3-PH
*
Disconnect switch
(Field Supply)