<Start-up and Safety Precautions>
11
IM 12E01B30-01EN
1st Edition : Mar. 30, 2021-00
Wiring of FLXA402T
Refer to FLXA402T Installation and Wiring IM 12A01G01-02EN.
Fuse
Relay box
signal connection
terminal
FLXA402T
signal connection
terminal
Ground terminal
Power terminal
Power terminal to FLXA402T
Power terminal to Ultrasonic
Oscillator
n
Wiring the power supply
The cable size of terminals is 0.13 to 2.5 mm
2
in cross-sectional area or AWG 26 to 14. Attached
cable gland is for cables finished O.D. of 6 to 12.5 mm. Seal up all unused cable inlets with the
supplied cable glands and close-up plugs. Refer to IM 12E01B30-02EN for details.
WARNING
The minimum cross sectional area of the protective grounding wire should be 0.75 mm
2
. For
CSA safety standard (Standard: - AD), use cables with a cross section of 0.75 - 2.1 mm
2
.
n
Wiring of TB820D Relay Box power supply
IP ratings must be greater than IP65. Tightening torque to the four screws of detector unit cover is
1.5 to 1.6 N·m.
Wiring of TB820D without Relay Box (-NN)
Open the smart box. Connect the cable complying with the figure below.
Fuse
Ground terminal
Relay box
signal connection
terminal
FLXA402T
signal connection
terminal
Power terminal
Power terminal to FLXA402T
Power terminal to Ultrasonic Oscillator