Eaton Crouse-Hinds GHG 72 Series Operating Instructions Manual

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Contents

Eaton Crouse-Hinds GHG 72 Series Operating Instructions Manual Manual pdf 9 page image

92 PrinciplesCautionThis symbol warns of a possible failure.Failure to observe this caution may result inthe total failure of the device or the systemor plant to which it is connected.NoteThis symbol highlights important information.XATEX - IEC Special conditionsThis symbol shows Highlights for safe use inaccordance to EU-Type-Examination Certificate/IEC Ex-Certificate of Conformity.2.1 Safety instructionsTarget group:For skilled electricians and suitablequalified, instructed personnel inaccordance with national legislation,including the relevant standards and, whereapplicable, in acc. with IEC/EN 60079-14 onelectrical apparatus for explosive atmospheres.The terminal boxes GHG 72. are not suitablefor Zone 0 and Zone 20 hazardous areas.The requirements of the IEC/EN 60079-31regarding excessive dust deposits andtemperature to be considered from the user.The temperature class and explosion groupmarked on the terminal boxes have to beobserved.Modifications to the terminal boxes orchanges of their design are not permitted.They shall to be used for their intendedpurpose and in perfect and clean condition.Prior to taking the terminal boxes intooperation, they shall be checked in accord-ance with the instruction as per section 6.Observe the national safety rules andregulations for prevention of accidents aswell as the safety instructions included inthese operating instructions and set initalics the same as this text!3 Conformity with standardsThe apparatus is conform to the standardsspecified in the EC-Declaration of conformity,enclosed separately.References to standards and directives in theseoperating instructions always relate to the latestversion. Other additions (e.g. details relating tothe year) shall be observed.4 Field of applicationThe plastic terminal boxes are suitable for usein Zone 1, 2 and 21, 22 hazardous areas acc.to IEC/EN 60079-10-1 and IEC/EN 60079-10-2.The enclosure materials employed, includingthe exterior metal parts, are made of high-quality materials which ensure a corrosion pro-tection and resistance to chemical sub-stanc-es corresponding to the requirementsin a "normal industrial atmosphere":- glass-fibre reinforced polyester- special stainless steel V4 A AISI 316 L.In case of use in an extremely aggressiveatmosphere, you can obtain informationconcerning the chemical resistance of thematerials used from yourCooper Crouse-Hinds branch.5 Use / PropertiesThe terminal boxes are intended for thedistribution of electrical energy, e.g. lightcircuits, heating circuits, control circuits,intrinsically safe circuits etc..As to temperature class, explosion group,permissible ambient temperature, seetechnical data.Information on the safe use of third-partyproducts, unless non specified in theseoperating instructions, have to be requestedfrom the respective manufacturer of theequipment.The data as per point 3 and 4 shallbe taken into account with the use.Applications other than described arenot permitted without Cooper Crouse-Hinds(CCH)/EATON's prior written consent. Forthe operation, the instructions stated insection 7 of the operating instructions shallbe observed.The user alone is responsible for theappropriate use of this installation switch inconsideration of the basic conditionsexisting at the plant (see technical data).Explosion protected terminal boxes type, GHG 72. GB