Panasonic U-20GES3E5 Manuel D'utilisation page 7

(c) Electrical Wiring System Diagram
For electrical wiring construction, refer to the Electrical wiring system diagram
(Fig. 9) and the electrical diagram attached to the indoor unit.
220/230/240V
~ 50Hz
Earth leakage
circuit breaker
Outdoor
unit
U-20GES3E5
Outdoor
power cable
380-400-415V
3N ~ 50Hz
Earth leakage
circuit breaker
Indoor/outdoor
control cable
L1
Outdoor
L2
unit
L3
U-10MES2E8
Outdoor
power cable
CAUTION
Use shielded wires for inter-unit control wiring and ground the

shield on both sides, otherwise misoperation from noise may
occur. Connect wiring as shown in the section "(c) Electrical
Wiring System Diagram."
Loose wiring may cause the terminal to overheat or result in unit malfunction.
A fire hazard may also exist.
WARNING
Therefore, ensure that all wiring is tightly connected.
When connecting each power wire to the terminal, follow the instructions on "How to Connect Wiring to
Terminal" and fasten the wire securely with the fixing screw of the terminal board.
Indoor/outdoor
control cable
Indoor
unit
1
*
White Black
(purchased
separately)
Remote controller
Indoor
power
cable
Earth leakage
circuit breaker
220-230-240V
~ 50-60Hz
U1
( : Functional earthing)
U2
1
* When connecting indoor/outdoor control cables, no more than two cables
**
2
should be connected to a single terminal section on the terminal board. If you
need to connect a third or forth cable, connect the cables to 3 and 4 on the
terminal board.
** Do not connect any cables to 1 and 2 on the terminal board of the
U-10MES2E8 outdoor unit.
Fig. 9 Electrical Wiring System Diagram
EN - 7
Indoor Indoor
unit unit
2 3
White Black White
(purchased
separately)
Remote controller Remote controller
Earth leakage Earth leakage
circuit breaker circuit breaker
220-230-240V 220-230-240V
~ 50-60Hz ~ 50-60Hz
(Functional earthing)
Indoor
unit
4
Black White Black
(purchased (purchased
separately) separately)
Remote controller
Earth leakage
circuit breaker
220-230-240V
~ 50-60Hz
Shielded wire
(Functional earthing)
Fig. 10