Wiring System Diagrams - Panasonic R410A Einbauanleitung / Betriebsanleitung

4-3. Wiring System Diagrams

L
Power supply
N
220 – 240V ~50/60Hz
Ground
Remote
controller
WHT
1 1
BLK
2 2
Power supply L
220 – 240V ~50/60Hz N
Ground
N OT E
(1) Refer to Section 4-2. "Recommended Wire Length
and Wire Diameter for Power Supply System" for the
explanation of "A", "B", "C", "D" and "E" in the above
diagram.
(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. (Fig. 4-2)
(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 (optional).
Auto address setting can be executed by remote controller
automatically. Refer to the installation instructions supplied
with the remote controller (optional).
Indoor unit
(No. 1)
L
N
B
U1
U2
D
R1
R2
Ground
C
Indoor unit
(No. 2)
Ground
L
N
B
U1
U2
E
R1
R2
* 3-phase model connections
Outdoor unit (3-phase)
INV unit
C
L1
U1
L2
U2
L3
N
Ground
* Single-phase model connections
Outdoor unit (single-phase)
INV unit
12
A
L1
Power supply
L2
380 – 415V, 3 N~, 50Hz
L3
N
Ground
A
Power supply
L
L
220 – 240V ~50/60Hz
N
N
Ground
1
2
7P terminal board
L N U1
Power Unit
supply control
wiring
T1 Type
Fig. 4-1
U2
R1 R2
Remote
controller
line
Fig. 4-2