Electrical Work - Mitsubishi Electric PLFY-P VCM-E2 Series Installation Manual

4. Electrical work

55 mm
12 mm
Fig. 4-1
Fig. 4-2
Fig. 4-3
A B
~220-240V
A
~220-240V
Fig. 4-4
6
D
C C C C C
B D
L N M1 M2
C
S 1 2
TB2 TB5 TB15
4.1. Indoor unit (Fig. 4-1)
1. Remove 2 screws to detach the electric component cover.
2. Route each cable through the wiring intake into the electric component box. (Procure
power supply cable and control cable locally.)
3. Securely connect the power supply cable and control cable to the terminal
blocks.
4. Secure the cables with clamps outside the electric component box.
5. Attach the electric component cover as it was.
• Do not allow slackening of the terminal screws.
• Always install earth.
(Earth cable dia: Thicker than 1.6 mm)
• Fix power supply cable and control cable to electric component box by using buffer
bushing for tensile force. (PG connection or the like.)
A
Electric component cover
B
Electric component box
C
Entry for power supply cable
D
Entry for remote control cable and trans-
mission cable
E
Cable clamp
F
Power supply terminals (L, N, )
■ When using the panel with wireless signal receiver "SLP-2ALW", install
wireless junction cable for connecting with the cable from the panel through
the following steps before installing the main unit.
(1) Take out the wireless junction cable that is supplied with the accessories.
(2) Route the indoor controller board connector (white) of the wireless junction cable
through the main unit BUSH in the direction indicated by the arrow. (Fig. 4-2)
(3) Route the wireless junction cable through the electric component box BUSH, and
then connect the cable to CN90 of the indoor controller board. (Fig. 4-3)
(4) Secure the cables and wires with the clamp.
A
Wireless junction cable (Accessory)
B
Main unit BUSH
C
Electric component box
D
Electric component box BUSH
E
Clamp
F
Indoor controller board
4.2. Power supply wiring
• Wiring size must comply with the applicable local and national codes.
• Power supply cable of appliance shall not be lighter than design 245 IEC 53 or 227
IEC57, 245 IEC 53 or 227 IEC 53.
• Install an earth line longer than other cables.
• A switch with at least 3 mm, 1/8 inch contact separation in each pole shall be
provided by the air conditioner installation.
[Fig.4-4]
A
Ground-fault interrupter
B
Local switch/Wiring breaker
C
Indoor unit
D
Pull box
Warning:
Never splice the power cable or the indoor-outdoor connection cable,
otherwise it may result in a smoke, a fire or communication failure.
G
Transmission terminals (M1, M2, S)
H
MA Remote controller terminal (1. 2)
I
Indoor controller
J
Power board
K
Remote control cable
L
Transmission cable
M
Power supply cable