Mitsubishi Electric Mr.SLIM SLZ-KA50VA Manuel D'installation page 9

7. Electrical work
(1) SLZ-KA25/KA35/KA50
(1:1 SYSTEM)
Indoor terminal block
B
1 2
A
F
C
Outdoor terminal block
Power supply cord SLZ-KA25/KA35: 2.0 mm
Fig. 7-4
Be sure to fix the
indoor/outdoor unit
connecting wire using
this cord clamp.
Fig. 7-5
A
B
Fig. 7-6
8. Installing the grille
1
2
4
Fig. 8-1
Earth wire (green/yellow)
Indoor/outdoor unit
connecting wire
3-core 1.5 mm 2 or more
D
C
L N
E
2
or more
2
SLZ-KA50: 2.5 mm or more
Service panel
Remove one fixing
screw to open the
service panel.
C
A Loosen terminal screw
B Terminal block
C Lead wire
3
5
• Perform wiring as shown in the diagram to the lower left. (Procure the cable locally)
(Fig. 7-4)
Make sure to use cables of the correct polarity only.
A Connecting cable (3 core)
Cable 3-core 1.5 mm 2 , in conformity with Design 245 IEC 57.
B Indoor terminal block
C Outdoor terminal block
D Always install an earth wire (1-core 1.5mm
E Power supply cord
• SLZ-KA25/KA35
2
Cable 3-core 2.0 mm or more, in conformity with Design 245 IEC 57.
• SLZ-KA50
Cable 3-core 2.5 mm 2 or more, in conformity with Design 245 IEC 57.
F Wired remote controller
Caution:
• Use care not to make miswiring.
• Firmly tighten the terminal screws to prevent then from loosening.
• After tightening, pull the wires lightly to confirm that they do not move.
7.3. Outdoor unit (Fig. 7-5)
• Connect cable from the indoor unit correctly on the terminal-block.
• Use the same terminal block and polarity as is used with the indoor unit.
• For aftercare maintenance, give extra length to connecting cable.
• Both end of connecting cable (extension wire) are peeled off. When too long,
or connected by cutting off the middle, peel off power supply cable to the size
given in the figure.
• Be careful not to contact connecting cable with piping.
Caution:
• Use care not to make miswiring. (Fig. 7-6)
• Firmly tighten the terminal screws to prevent them from loosening.
• After tightening, pull the wires lightly to confirm that they do not move.
Warning:
• Be sure to attach the service panel of the outdoor unit securely. If it is not
attached correctly, it could result in a fire or an electric shock due to dust,
water, etc.
• Tighten terminal screws securely.
• Wiring should be done so that the power lines are not subject to tension.
Otherwise, heat may be generated or fire may occur.
8.1. Check the grille accessories (Fig. 8-1)
• The grille should be supplied with the following accessories.
Accessory name
1
Grille
2
Screw with washer
3
Gauge
4
Fastener
5
Band
2
) longer than other cables.
Q'ty Remark
650 × 650 (mm)
1
M5 × 0.8 × 25 (mm)
4
1
2
2
9