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3. Specication for eld wire
Wire Size Length
Wiring between units
Recommend stranded and shielded.
Local code supersedes recommendation.
AWG 14 –
Remote controller wiring Sheathed (2 wire) AWG 18 - 16 Max. 1640ft (500m)*
Wiring to ground terminal
Recommend stranded and shielded.
Local code supersedes recommendation.
– –
* This will be the total extended length in the system when doing group control.
4. Wiring connection method
CAUTION FOR WIRING
Recommend stranded cable for interunit wiring. Local code always supersedes recommendation.
• For stranded wires, make sure to use the round crimp-style terminal for
connection to the power supply terminal block. Place the round crimp-
style terminals on the wires up to the covered part and secure in place.
Round crimp-style
terminal
Stranded wire
Screw
Flat washer
Screw Screw
Flat washer
Flat washer
Good Wrong
A
Round
crimp-style
terminal
Round crimp-style
terminal
Round crimp-style
terminal
Arrow view A
• If solid core wire must be used, be sure to curl the end of the lead.
Improper work may cause heat and re.
Good Wrong
Tightening torque for the terminal blocks
• Use the correct screwdriver for tightening the terminal screws. If the blade of screwdriver is too small, the head of the
screw might be damaged, and the screw will not be properly tightened.
• If the terminal screws are tightened too hard, screws might be damaged.
• Refer to the table below for the tightening torque of the terminal screws.
unit: lbf • ft (N • m)
Tightening torque
Terminal block for remote controller (6P) 0.58 - 0.72 (0.79 - 0.98)
Terminal block for power supply (4P) 0.87 - 1.06 (1.18 - 1.44)
WARNING
• When wiring, form the wirings orderly so that the electrical wiring box cover can be securely fastened. If the electrical wiring
box cover is not in place, the wirings may come out or be sandwiched by the box and the lid and cause electric shock or a
re.
1) Remove the electrical wiring box cover.
Screws (2 points)
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01_EN_3P674701-1B.indd 12 2022/06/02 10:06:25