4-2. Recommended Wire Length And Wire - Panasonic U-72MF2U9 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:
Power supply
L1
208 / 230V, 60Hz, 1-PH
L2
Ground
Power supply
208 / 230V, 60Hz, 1-PH
L1
L2
Ground
Remote
Controller
BLK
1 1
WHT
2 2
NOTE
(1) See the 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 6P 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, See the section "7-5.
Auto Address Setting". Address setting can be executed
by remote controller automatically.
Indoor
unit (No. 1)
*
L1
L2
U1
U2
B
R1
R2
A
Indoor
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
R1
R2
Outdoor unit
INV unit
A
L1
U1
L2
U2
L3
1
2
D Inter-outdoor unit control wiring
Outdoor unit
INV unit
L1
L2
1 L3
2
* NOTE:
Disconnect Switch may be needed by the
National/Local code.
ALWAYS COMPLY WITH NATIONAL AND
LOCAL CODE REQUIREMENTS.
control wiring
30
*
L1
Power supply
L2
208 / 230V, 60Hz, 3-PH
L3
Ground
*
Power supply
L1
208 / 230V, 60Hz, 3-PH
L2
L3
Ground
* Disconnect switch
(Field Supply)
3P terminal board
L1 L2 L3
2P terminal board (×2)
U1 U2 1 2
Inter-unit Inter-outdoor unit
control wiring
Outdoor Unit