Functional Checks - LEGRAND DMX3 Mode D'emploi

DMX
• Test button verification: keep pushed T button
• Verify that all accessory characteristics are in

Functional checks

• Verify device mechanical functioning, with open
• In case of device with mechanical interlock,
- Manual control
- To performe at least two opening/closing cicles
• Verify locking system, if any (open position,
112
3
for 2 seconds and check these conditions:
- all LEDs turns on for 1 second (ON LED is green,
others are red)
- device trips
- display shows device tripping
- RESET pin will be released
- to reset device, push RESET button and set it
back to its working position.
compliance with auxiliary circuit voltage and
electric scheme.
and close operation of the main contacts.
verify if it works according to the proper
interlock diagram.
draw-out position, etc...).
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
distribution 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.