Burkert 8798 User Manual [en, de, fr]

Type 8791, 8792,

8793, 8798

Additional information for use in the hazardous
area

For Bürkert devices of type

• 8791

• 8792/8793

• 8798
with variable code PX03 ––> ATEX II 3 GD

follow the instructions in this additional information as well as the respective operating instructions
concerning use in the potentially explosive area (see page 2).

Zusatzinformation für den Einsatz im Ex-Bereich

Für Bürkert Geräte des Typs

• 8791

• 8792/8793

• 8798
mit variablem Code PX03 ––> ATEX II 3 GD

müssen beim Einsatz im explosionsgefährdeten Bereich zusätzlich zur jeweiligen Bedienungsanleitung
die Hinweise dieser Zusatzinformation beachtet werden (siehe Seite 3).

Information supplémentaire concernant
l'utilisation dans une zone à risque d'explosion

Pour les appareils Bürkert de type

• 8791

• 8792/8793

• 8798
avec code variable PX03 ––> ATEX II 3 GD

vous devez, en cas d'utilisation dans des zones à risque d'explosion, respecter, en plus du
manuel d'utilisation correspondant, également les indications de cette information supplémentaire
(voir page 4).

© 2010 Bürkert Werke GmbH Supplement 1209/01_EU-ML_00809480 / Original: DE

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Type 8791, 8792, 8793,

8798

Basic Safety Instructions

DANGER!

Risk of explosion!

To avoid the risk of explosion, follow not only the basic safety instructions in the respective
operating instructions, but also observe the following information concerning operation in the
hazardous area:

• Installation, operation and maintenance may be performed by qualified technicians only.

• Observe the applicable safety regulations (also national safety regulations) as well as the
general regulations of technology concerning installation and operation.

• Do not repair the device yourself, but replace it with an equivalent device. Repairs may be
performed by the manufacturer only.

• Do not expose the device to mechanical and/or thermal stresses which exceed the limits
described in the operating instructions.

Safety instructions for installation and maintenance

DANGER!

Risk of explosion!

To avoid the risk of explosion, observe the following information when performing installation
and maintenance in the hazardous area:

• Do not open the device housing.

• To avoid an electrostatic charge, wipe the housing surface with a damp cloth only.

• Secure cable connections which have circular connectors with suitable securing clips.
For example: EXCLIP, FA. Phoenix Contact, type SAC-M12-EXCLIP-M, art. no. 1558988

• Use only cable and line entries which are authorized for the particular application area and
are screwed together according to the appropriate installation instructions.

• If the cable gland is pre-assembled, install it according to the installation instructions
supplied by the manufacturer of the screw connection.
Before start-up, check whether the cable gland was installed in the hazardous area as
described in the appropriate installation instructions.

• Seal all cable glands which are not required with ex-approved screw plugs.

• Type 8791 only: The housing design Remote in IP20 must be installed in a suitable
protective housing or a control cabinet for use in the hazardous area. These must comply
with the category of the following protection class:
Category 3G: at least protection class IP54
Category 3D, non-conductive dust: at least protection class IP5X
Category 3D, conductive dust: at least protection class IP6X

or type SAC-M12-EXCLIP-F, art. no. 1558991.

Maintenance: If installation is carried out carefully, maintenance is not required.

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english