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6.3. Unit wiring
• Before attaching the cable to terminal block.
6.3.1. Power supply cable
Earth (Ground)
cable
A. For solid core wiring
(1) To connect the electrical terminal, follow the below diagram and connect after looping
it around the end of the cable.
(2) Use the specified cables, connect them securely, and fasten them so that there is no
stress placed on the terminals.
(3) Use an appropriate screwdriver to tighten the terminal screws.
Do not use a screwdriver that is too small, otherwise, the screw heads may be dam-
aged and prevent the screws from being properly tightened.
(4) Do not tighten the terminal screws too much, otherwise, the screws may break.
(5) See the table for the terminal screw tightening torques.
(6) Please do not fix 2 power supply cables with 1 screw.
Strip 25 mm
Screw with
special washer
Cable
Cable end (Loop)
Terminal block
Do not apply branch wiring. It may result electric shock or fire.
When using solid core cables, do not use the ring terminal. If you use the solid core
cables with the ring terminal, the ring terminal's pressure bonding may malfunction and
cause the cables to abnormally heat up.
B. For strand wiring
(1) Use ring terminals with insulating sleeves as shown in the figure below to connect to
the terminal block.
(2) Securely clamp the ring terminals to the cables using an appropriate tool so that the
cables do not come loose.
(3) Use the specified cables, connect them securely, and fasten them so that there is no
stress placed on the terminals.
(4) Use an appropriate screwdriver to tighten the terminal screws. Do not use a screw-
driver that is too small, otherwise, the screw heads may be damaged and prevent the
screws from being properly tightened.
(5) Do not tighten the terminal screws too much, otherwise, the screws may break.
(6) See the table for the terminal screw tightening torques.
(7) Please do not fix 2 power supply cables with 1 screw.
Strip 10 mm
Screw with
special washer
Cable
Ring terminal
Terminal block
Use ring terminals and tighten the terminal screws to the specified torques, otherwise,
abnormal overheating may be produced and possibly cause heavy damage inside the
unit.
Terminal number
M3.5 screw (Power supply/L, N, GND)
En-7
20 mm
30 mm
Loop
Screw with
special washer
Cable end (Loop)
Cable
WARNING
Ring terminal
Sleeve
Screw with
special washer
Ring terminal
Cable
WARNING
Tightening torque
1.2 to 1.8 N·m (12 to 18 kgf·cm)
6.3.2. Transmission and Remote controller cable
Transmission cable
30 mm
Shield
cable
(no film)
45 mm
• Connect remote controller and transmission cables as shown in Fig. C.
Fig. C
GOOD
Different diameter
Tighten the terminal screws to the specified torques, otherwise, abnormal overheating
may be produced and possibly cause heavy damage inside the unit.
Tightening torque
M3 screw (Transmission / X1, X2)
(Remote controller / Y1, Y2)
To peel the film from the lead cable, use a dedicated tool that will not damage the
conductor cable.
When installing a screw on the terminal block, do not cut the cable by overtightening the
screw. On the other hand, an undertightened screw can cause faulty contact, which will
lead to a communication failure.
6.4. Connection of wiring
(1) Remove the control box cover and wiring cover by loosening the screws.
Wiring
connect-
ing port (for
transmission cable
and remote controller
cable)
(2) Thread each cable through the holes or indents of the cabinet and connect the wires.
(3) After wiring is complete, secure the cables with the cable clamps.
Remote controller cable
30 mm
PROHIBITED
Connect to 1 side
WARNING
0.5 to 0.6 N·m
(5 to 6 kgf·cm)
CAUTION
Wiring connecting port
(for power supply cable)
Wiring cover
Control box cover
Earth
(ground)
Cable
clamp
Power supply cable