8
6. Electrical work
6.1. Indoor unit (Fig. 6-1)
1. Loosen the two screws securing the electrical wiring service panel, and then turn
the electrical wiring service panel. [Fig. 6-1
1
]
2. Loosen the two screws securing the electrical box cover, then slide the electrical
box cover. [Fig. 6-1
2
]
3. Pass the power cable, indoor/outdoor unit connecting cable and earth cable through
the wiring entries given in the diagram. [Fig. 6-1
3
]
Put the sheath portion of the power cable and indoor/outdoor connecting cable
into the electrical box.
Use round crimped terminals for the indoor-outdoor connection terminal and the
optional power supply terminal kit. [Fig. 6-2]
If you cannot use round crimped terminals, following the procedure in Fig. 6-3 to
6-6.
Refer to 6.1.1. and 6.1.2. for the connection.
4. Pass and wire the remote controller cable through the wiring entries given in the
diagram. [Fig. 6-1
4
, Fig. 6-3]
Refer to 6.1.1. and 6.1.2. for the connection.
• Do not allow slackening of the terminal screws.
Screw tightening torque
Tightening torque (N·m)
Remote controller terminal board
1.2 ± 0.1
Indoor-outdoor connection termi-
nal board
1.6 ± 0.1
Earth cable
1.6 ± 0.1
• Leave excess cable so that the electrical box can be suspended below the unit
during servicing (approx. 50 to 100 mm).
A
Electrical wiring service panel
B
Screw
C
Electrical box cover
D
Temporary hook for electrical box cover
E
Screw
F
Slide direction of the electrical box cover
G
Entry for power cable and indoor/outdoor unit connecting cable
H
Secure with the cable strap.
I
Earth cable
J
Indoor/outdoor unit connecting terminal
K
Electrical wiring service panel (remote controller)
L
Entry for wired remote controller
M
Wired remote controller terminal
N
Secure with the cable strap.
Caution:
• Wiring for remote controller cable shall be apart (5 cm or more) from power
source wiring so that it is not influenced by electric noise from power source
wiring.
Fig. 6-1
Fig. 6-3
Fig. 6-2
[
1
]
[
2
]
[
3
]
[
4
]
B
E
A
C
D
F
G
I
L
H
J
K
M
N
12
15
10
Be sure to connect the remote
controller cable (0.3 mm²) to the
locations shown in the diagram.
• If the cables have the same diameter,
insert them into the cut outs on both sides.
• If the cables have different diameters, in-
sert them on one side into separate spaces
with one cable positioned above the other.
Secure with a band
4
(small)
at the location shown in the
diagram
<When wiring two indoor-outdoor connection cables>
(Remote controller
cable retainer)
Cable strap
WARNING
• Connecting two wires on one side is prohib-
ited.
• Connecting three wires or more to the same
terminal is prohibited.
• Connecting wires with different diameters is
prohibited.
When using a single cable, a round crimped terminal or other
terminal work is prohibited.
Cut outs
Insulating sleeve
Electrical cable
Round crimped terminal
Fig. 6-5
Fig. 6-6
12
Fig. 6-4
• The U-shaped groove opens if you push the screw head after the screw is loosened.
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