Wiring System Diagrams - Panasonic S-07MM2U6 Installation Instructions Manual

4-3. Wiring System Diagrams

Power supply
L1
L2
208 / 230V, 60Hz, 1PH
Ground
Remote
Controller
WHT
1 1
BLK
2 2
Power supply L1
208 / 230V, 60Hz, 1PH L2
Ground
Remote
Controller
WHT
1 1
BLK
2 2
Group control:
Power supply
L1
208 / 230V, 60Hz, 1PH
L2
Ground
NOTE
(1) Refer to Section "4-2. Recommended Wire Length
and Wire Diameter for Power Supply System" for
the explanation of "A", "B" and "C" 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 R.C. address setting, refer to the
installation instructions supplied with the remote
controller unit (optional). Auto address setting can
be executed by remote controller automatically.
Refer to the installation instructions supplied with
the remote controller unit (optional).
(5) Ensure that the ground shield cable for inter-unit
control wiring between outdoor and indoor units
should be connected to the outdoor unit.
(6) For the inter-unit control wiring between the indoor
units, be sure to connect between the shield.
Then connect it to the shield of inter-unit control
wiring between outdoor and indoor units.
(7) Ensure that the ground shield cable for a remote
controller should be connected only to the indoor
unit.
Indoor
unit (No. 1)
*
L1
L2
U1
U2
Ground
Ground
B
R1
R2
A
Indoor
unit (No. 2)
*
Ground
L1
L2
U1
U2
Ground
B
Ground
R1
R2
Indoor
A
unit (No. 3)
*
Ground
L1
L2
U1
C
U2
R1
R2
Ground
Ground
A
Outdoor unit
INV unit
Ground
A
L1
U1
L2
U2
L3
1
2
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.
L1
Power
supply
13
*
L1
Power supply
L2
208 / 230 V, 60Hz, 3PH
L3
Ground
*
L1
Power supply
L2
208 / 230 V, 60Hz, 3PH
L3
Ground
* Disconnect switch
(Field Supply)
6P terminal board
L2 U1 U2 R1 R2
Inter-unit Remote
control controller
wiring wiring
Type M2
Fig. 4-1
Fig. 4-2