Wiring System Diagrams - Panasonic S-M20PY3E Installation Instructions Manual

4-3. Wiring System Diagrams

■ 2-LINE CONNECTION
Example : Single connection
Power supply
220-230-240V~ 50Hz (Europe)
230-240V~ 50Hz (Oceania)
L
Ground
N
Remote controller
1
2
Power supply
220-230-240V~ 50Hz (Europe)
230-240V~ 50Hz (Oceania)
L
Ground
N
Remote controller
1
2
Indoor unit wiring sample
Power supply cable
To power supply (L, N)
To outdoor unit (U1, U2)
To integrated control system
To remote controller (1, 2)
*1 Fasten tightly.
Indoor unit
B
L/1
N/2
3
U1
U2
D
R1
R2
Indoor unit
B
L/1
N/2
3
U1
U2
D
R1
R2
( : Functional earthing)
Earth wiring:
Make the earth wiring 25 - 30 mm longer
than connecting wires to L/1, N/2.
* 3-phase model connections
Outdoor unit
(3-phase)
L1
L2
L3
N
C
U1
U2
C
Integrated control system
* Single-phase model connections
Outdoor unit
(single-phase)
L
N
C
U1
U2
C
Integrated control system
Use this screw when connecting the shield
for the Inter-unit control wiring to ground.
(
* 1
Clamper
(supplied)
Remote control wiring
Clamping Clip
24
Power supply
380-400-415V 3N~ 50Hz (Europe)
400-415V 3N~ 50Hz (Oceania)
L1
L2
L3
N
Ground
Power supply
220-230-240V~ 50Hz (Europe)
230-240V~ 50Hz (Oceania)
L
N
Ground
: Functional earthing)
Inter-unit (between outdoor and
indoor units) control wiring
Integrated control wiring