Electrical Work - Mitsubishi Electric CITY MULTI PLFY-P20VBM-E Manuel D'installation

4. Electrical work

Fig. 4-1
Fig. 4-2
6
L N M1 M2 S 1 2
TB2 TB5 TB15
4.1. Indoor unit (Fig. 4-1)
1. Remove the electrical wiring service panel.
2. Remove the electrical box cover.
3. Remove the MA Remote controller terminal cover.
4. Wire the power cable and control cable separately through the respective wiring
entries given in the diagram.
• Do not allow slackening of the terminal screws.
• Leave excess cable so that the electrical box cover can be suspended below the
unit during servicing. (Approx. 50 to 100 mm)
Entry for remote controller cable
Entry for power and control cable
Clamp
Electrical box cover
Service panel for electrical wiring
Temporary hook for electrical box cover
MA Remote controller terminal cover
Power supply terminals (with earth terminal) (L, N,
Transmission terminals (M1, M2, S)
MA Remote controller terminal (1, 2)
Secure with the clamp
4.2. Power supply wiring
• Wiring size must comply with the applicable local and national code.
• Install an earth longer than other cables.
• Power supply codes of appliance shall not be lighter than design 60245 IEC 53
or 60227 IEC 53.
• A switch with at least 3 mm contact separation in each pole shall be provided by
the air conditioner installation.
[Fig. 4-2]
Ground-fault interrupter
Local switch/Wiring breaker
Indoor unit
Pull box
Warning:
Never splice the power cable or the indoor-outdoor connection cable, other-
wise it may result in a smoke, a fire or communication failure.
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