Functional Checks - LEGRAND DMX3 Mode D'emploi

DMX
• Test button verification: keep pushed T button
for 2 seconds and check these conditions:
- all LEDs turns on for 1 second (ON LED is
- device trips
- display shows device tripping
- RESET pin will be released
- to reset device, push RESET button and set it
• Verify that all accessory characteristics are in
compliance with auxiliary circuit voltage and
electric scheme .

Functional checks

• Verify device mechanical functioning, with
open and close operation of the main con-
tacts .
• In case of device with mechanical interlock,
verify if it works according to the proper inter-
lock diagram .
- Manual control
- To performe at least two opening/closing cicles
• Verify locking system, if any (open position,
draw-out position, etc . . .) .
96
3
green, others are red)
back to its working position .
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charged
Auxiliaries wiring and installation
checks
• Verify proper installation of auxiliary circuits
• Verify terminals wiring correspondence
• Verify auxiliary wiring circuit correspondence
Under voltage checks
Dielectric checks must be performed in the dis-
tribution center according to the international
standards by qualified technicians with proper
equipments .
To avoid damages to people or devices, it's
mandatory to follow these indications:
• disconnect all the electric accessories from
auxiliary circuit .
• verify the presence and value of the device
up-stream and down-stream voltage .
discharged
discharged
charged
charged
discharged
discharged
discharged
discharged