Eaton CROUSE-HINDS Series Operating Instructions Manual

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Eaton CROUSE-HINDS Series Operating Instructions Manual Manual pdf 16 page image

16Fastening holes of the apparatus mountingplates size 1Fastening holes of the apparatus mountingplates size 28 Repairs / Overhaul /ModificationOnly original CEAG parts shall be used forcarrying out repairs.a In the event of damage to the flameproofencapsulation, replacement of thesecomponents is mandatory. In case of doubt,the respective apparatus shall be sent toCOOPER Crouse-Hinds for repair.a Repairs that affect the explosionprotection may only be carried out byCOOPER Crouse-Hinds or by a qualifiedelectrician in compliance with the respectivenational regulations (IEC/EN 60079-19).Apparatus modifications or design changes arenot permitted; excepted from this is the fittingof additional cable entries within the scope ofthe apparatus approvals or acc. to the instruc-tions given by the manufacturer.When replacing individual built-in components(pushbuttons, etc.) section 6.2 ”Openingapparatus / Electrical connection” shall beobserved.9 Disposal / RecyclingThe respective valid national regulations forwaste disposal shall be observed whendisposing of apparatus.To facilitate the recycling of individual parts,parts made of moulded plastic shall bear themarking for the type of plastic used.The product range is subject to changes andadditions.6.6 Putting into operationBefore putting the apparatus into operation, thetests specified in the individual nationalregulations shall be performed.In addition to this, before being put intooperation, the correct functioning of theapparatus and of the built-in components(measuring instruments, signal lamps,pushbuttons, etc.) shall be checked inaccordance with these operating instructionsand other applicable regulations.The zero setting of the measuring instrumentneedle shall be checked before putting it intooperation. If necessary, the measuringinstrument needle shall be set to zero using theadjustment screw.The gas group (IIB or IIC) of the intrinsically safecircuit shall be taken into consideration for theevaluation of the gas group of the built-incomponents.a The improper operation of control unitsmay result in the invalidation of theguarantee.7 Maintenance / Servicinga The valid national regulations for theservicing / maintenance of electricalapparatus for use in potentially explosiveatmospheres shall be observed.(e.g. IEC/EN 60079-17)Prior to opening the enclosure, it isnecessary to ensure that the voltage supplyhas been isolated or to take suitableprotective measures.Working with live circuits is permissible forintrinsically safe circuits.The necessary intervals between servicingdepend upon the specific application and shallbe stipulated by the operator according to therespective operating conditions.During servicing, above all, the parts on whichthe explosion protection depend, (e.g.intactness of the flameproof components, theenclosure, the seals and cable entries), and theswitch mechanism function of the controlswitch shall be checked.If, in the course of servicing, it is ascertained,that repairs are necessary, section 8 of theseoperating instructions shall be observed.Apparatus mounting plate forchannel- and wall mountingApparatus mounting plate forchannel- and wall mountingFasteningholes forcontrol unitGHG 411 81Apparatus mounting plate for pipe mountingApparatus mounting plate forpipe mountingFastening holes forcontrol unitGHG 411 82Fastening holes forcontrol unitGHG 411 83EExplosion-protected control unitsGHG 411 and 412