9
L N
N
2
3
N
2
3
A
B
E
C
D
G
H
F
L N
N
3
N
2
3
A
B
E
L N
B
E
C
D
(1) SLZ-A09/A12 (1:1 SYSTEM)
(2) SLZ-A18 (1:1 SYSTEM) OR MULTI
SYSTEM
• Perform wiring as shown in the diagram to the lower left. (Procure the cable locally)
(Fig. 7-3)
Make sure to use cables of the correct polarity only.
A
Connecting cable (4 core) ((2) · · · 2 core)
B
Power supply cable (3 core)
• SLZ-A09/A12 : 1.0 mm
2
or more
• SLZ-A18
: 1.5 mm
2
or more
*
Power supply cable and Indoor unit/Outdoor unit connecting cable shall not be lighter than
polychloroprene sheathed flexible cord. (design 245 IEC 57)
C
Indoor terminal block
D
Outdoor terminal block
E
Alway install an earth, longer than other cable.
• Connect the terminal blocks as shown in the diagram below. (Fig. 7-4)
F
Loosen terminal screw
G
Terminal block
H
Lead wire
Caution:
• Use care not to make mis-wiring.
• Firmly tighten the terminal screws to prevent then from loosening.
• After tightening, pull the wires lightly to confirm that they do not move.
7. Electrical work
Fig. 7-3
Fig. 7-4
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 mis-wiring. (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.
A
Loosen terminal screw
B
Terminal block
C
Lead wire
A
B
C
Fig. 7-5
Fig. 7-6
B
C
A
8. Installing the grille
8.1. Check the grille accessories (Fig. 8-1)
• The grille should be supplied with the following accessories.
Accessory name
Q’ty
Remark
1
Grille
1
650
×
650 (mm)
2
Screw with washer
4
M5
×
0.8
×
25 (mm)
3
Gauge
1
4
Fastener
2
5
Band
2
Fig. 8-1
1
4
5
2
3
A
Cord clamp.
B
Service panel
C
Fixing screws