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6. Electrical work
Fig. 6-1
Fig. 6-2
Fig. 6-5
Fig. 6-4
6.1. Outdoor unit (Fig. 6-1, Fig. 6-2, Fig. 6-3, Fig. 6-4)
1 Remove the service panel.
2 Wire the cables referring to the Fig. 6-1, Fig. 6-2, Fig. 6-3 and the Fig. 6-4.
A Indoor unit
B Outdoor unit
C Wired main switch/fuse
D Grounding
For Power supply
Indoor terminal block
Earth wire (green/yellow)
Indoor/outdoor unit connecting wire
3-core 1.5 mm² or more
Outdoor terminal block
Power supply cord SUZ-KA25/KA35: 1.5
mm² or more
SUZ-KA50/KA60/KA71: 2.5 mm² or more
Service panel
Removexing
screw to open the
service panel.
Besuretoxthe
indoor/outdoor unit
connecting wire us-
ing this cord clamp.
A Loosen terminal screw
B Terminal block
C Lead wire
•
Perform wiring as shown in the diagram to the lower left. (Procure the cable locally)
(Fig. 6-2)
Make sure to use cables of the correct polarity only.
A Connecting cable
B Indoor terminal block
C Outdoor terminal block
D Always install an earth wire longer than other cables.
E Power supply cord
Caution:
• Use care not to make miswiring.
• Firmly tighten the terminal screws to prevent then from loosening.
• After tightening, pull the wires lightly to conrm that they do not move.
• 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
thesizegiveninthegure.
•
Be careful not to contact connecting cable with piping.
Caution:
• Use care not to make miswiring. (Fig. 6-4)
• Firmly tighten the terminal screws to prevent them from loosening.
• After tightening, pull the wires lightly to conrm 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 re 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 re may occur.