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Hazardous location installations - for atex, Danger – Proface PS4800 - 19 Panel PC" User Manual

Page 25

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PS-4700 Series (Atom Z510 Pre-installed Model) User Manual

25

Hazardous Location Installations - For ATEX

The assembled units with an enclosure should be marked:

II 3GD

Ex nA IIA Gc

Ex tc IIIA T92

°C Dc

     Tamb: 0

°C to +50°C

DANGER

POTENTIAL FOR EXPLOSION

z

Confirm that the location is free from explosively hazardous gases or dust
before connecting or disconnecting equipment, replacing or wiring modules.

z

The ambient temperature in protective enclosure must not exceed 50

°C (refer

to marking).

z

Mounted in to the category 3D enclosures according to the directive 94/9/EC for
atmosphere with dust.

z

Modules must be mounted into protective enclosure that provides at least the
following degree of protection:

z

IP54 for atmosphere with gas

z

IP6x for atmosphere with dust

z

Do not open the protective enclosure while the system is powered up.

z

Confirm that the power supply has been turned OFF before disconnecting,
replacing or wiring modules.

z

Ensure that the metal parts of component are properly connected to ground.

z

Use only screw fasteners suitable for installations in explosive atmospheres.

z

Do not use damaged equipment.

Failure to follow these instructions will result in death or serious injury.