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5. Electrical work
Fig. 5-1
B
A
B
Fig. 5-2
E
Fig. 5-3
F
G
H
Fig. 5-4
Power terminal block
Be sure to connect the VVF cable (max. ø1/16)
in the U-shaped groove.
Note:
1. The U-shaped groove opens if you push the
screw head after the screw is loosened.
2. Be sure to insert cables that have the same
diameter.
A
A
A
J
Fig. 5-5
K
O
en
Secure the remote controller cable and indoor-outdoor connec-
tion cable with the cable strap.
If only one indoor-outdoor connection cable is connected,
secure it using the cable strap according to the dimensions
marked on the diagram.
Fig. 5-6
Remote controller terminal
block and indoor-outdoor
connection terminal block
Use round solderless
terminals with insulating
sleeves for the indoor-
outdoor connection cable.
5
A
C
D
I
A-A
Arrange the cables so that the
electrical wiring service panel is
not lifted up.
N
Remote controller terminal board
* Terminals 1 and 2 are non-polar.
P
Be sure to connect the wires (1/64 inch) of the remote
controller cable at the locations marked on the diagram.
5.1. Indoor unit
* Be sure to complete the electrical work before installing the grille.
1. Loosen the two screws securing the electrical wiring service panel at the cable
entry (power cable), and then turn the service panel to the position shown in the
diagram. (Fig. 5-1)
2. Loosen the one screw securing the electrical wiring service panel at the cable entry
(remote controller cable and indoor-outdoor connection cable), and then turn the
service panel to the position shown in the diagram. (Fig. 5-2)
3. Loosen the two screws securing the electrical box cover, then slide the cover and
remove it. (The cover may be hung temporarily.) (Fig. 5-3)
4. Route the cables into the indoor unit through the respective cable entries.
5. Connect the cables securely to the terminal boards. (Fig. 5-4, 5-5)
Note:
1. For the tightening torque of the terminal board screws, refer to the table below.
2. Leave sufficient slack in the cables so that the electrical box can be suspended
below the unit during servicing.
6. Secure the power cable with the cable strap on the unit. (Fig. 5-4)
7. Secure the remote controller cable and indoor-outdoor connection cable with the
cable strap on the unit.
8. Install the removed parts in their original locations.
Electrical wiring service panel
A
Screw
B
Electrical box cover
C
Temporary hook for the electrical box cover
D
Slide direction of the electrical box cover
E
Cable entry (power cable)
F
Power cable
G
Secure with the cable strap
H
Earth cable connection point
I
J
Cable entry (remote controller cable and indoor-outdoor connection cable)
Remote controller cable and indoor-outdoor connection cable
K
Drain pan
L
Length of the cable not covered by the indoor-outdoor connection cable sheath
M
Cable strap
N
Indoor-outdoor connection cable sheath
O
Indoor-outdoor connection terminal block
P
Terminal board screw tightening torque
Remote controller terminal board
Indoor-outdoor connection terminal board
A
WARNING
Electrical work precautions
* Observe the following precautions for each terminal board.
WARNING
Power terminal board
Never connect to a 208 - 230 VAC power supply.
• Connect wires with the same diam-
eter on both sides.
• Connecting two wires on one side
is prohibited.
• Connecting three wires or more to
the same terminal is prohibited.
• Connecting wires with different
diameters is prohibited.
Tightening torque (ft.lbs)
0.9 ± 0.1
0.9 ± 0.1
0.9 ± 0.1
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