Varec 4532 manual Maintenance, Exterior cleaning, Repairs to Ex-approved devices

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4532	Maintenance

9 Maintenance

The 4532 ATC Average temperature instrument requires no special maintenance.

9.1Exterior cleaning

When cleaning the 4532 ATC, always use cleaning agents that do not attack the surface of the housing and the seals.

9.2Repairs

The Varec repair concept assumes that the measuring devices have a modular design and that customers are able to undertake repairs themselves. Spare parts are contained in suitable kits. They contain the related replacement instructions. All the spare parts kits which you can order from Varec for repairs to the 4532 ATC are listed with their order numbers on later pages. Please contact Varec Service for further information on service and spare parts.

9.3Repairs to Ex-approved devices

When carrying out repairs to Ex-approved devices, please note the following:

•Repairs to Ex-approved devices may only be carried out by trained personnel or by Varec Service.

•Comply with the prevailing standards, national Ex-area regulations, safety instructions (XA) and certificates.

•Only use original spare parts from Varec.

•When ordering a spare part, please note the device designation on the nameplate. Only replace parts with identical parts.

•Carry out repairs according to the instructions. On completion of repairs, carry out the specified routine test on the device.

•Only Varec Service may convert a certified device into a different certified variant.

•Document all repair work and conversions.

Varec, Inc.

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Contents Installation Page Copyright Disclaimer of Warranties Safety Precaution Definitions Safety Precautions Average Temperature/Water Bottom Sensor and Converter Contents Operation and Description of Instrument Function Index Varec, Inc Contents Software history Installation and operation overviewIntroduction IntroductionHart System functional diagramSafety instructions Return Power supplyWiring GroundingDirect voltage Safety instructions Device designation Nameplate IdentificationScope of delivery CE marks, declaration of conformity Design, dimensions InstallationUnpacking Recommended procedure Incorrect procedure Flexible tubeSpecial conditions for safe use Installation InstructionsInstallation Mounting instruction MountingTop anchor method Mounting on a fixed roof tankTensioning wire mounting Thermo well application Thermo well methodFlexible tube is stabilized by an anchor weight Anchor weight methodAnchor weight mounting Mounting on a floating roof tank Thermo well method 10Guide ring and anchor weight application Guide ring and anchor weight methodMounting Terminal Connection 1 4532 ATC terminal Wiring3 4590 TSM i.s. terminal 2 6000 Series Servo Tank Gauge terminal4532 ATC Grounding Wiring As a standalone generic Hart instrument Device set up 4590 TSMOperating Local Hart connection As a Varec tank gauging instrumentPreparation of 6000 Series Servo Tank Gauge 4532 ATC specific parameter set up on the 4590 TSMDevice set up 6000 Series Servo Tank Gauge 2 4532 ATC configuration on 6000 Series Servo Tank GaugeGVH450~459 Temp No.1~10 GVH480 DiagnosticGVH447 Reference Zero GVH449 ReferenceOperating Device Data Temperature measurement Primary values VH00 ~ VH09Operation and Description of Instrument Function Hart Device designationElement Temperature 2 VH20 ~ VH29 Element Temperature 1 VH10 ~ VH15Advanced VH28 Lower Limit SpotVH29 Upper Limit VH46 Hysteresis Width Item type read and write Default 10mmVH49 Liquid Offset VH48 Gas OffsetWB primary and Advanced temp VH50 ~ VH59 WB Adjustment and Operation Power VH60 ~ VH69VH53 Element Point Item type select Default VH55 Element Volume Item type read and write Range 1 ~VH69 Ref Voltage Temperature Adjustment VH70 ~ VH79VH71 Zero Adjust VH72 Adjust SpanVH76 Resistance Adj VH73 TemperatureVH74 Position VH75 ResistanceVH79 Protect Code Error code VH80 Present ErrorVH81 Temperature Unit VH85 Kind of Interval VH82 Element Number VH83 No. of Preambles VH84 Distance UnitVH90 Device ID Number Item type read and write Default Device setting 2 VH90~VH99VH88 Short Error VH89 Open ErrorVH96 Software Version VH92 Error Dis. SelVH94 Polling Address VH95 Manufacture IDRepairs to Ex-approved devices MaintenanceExterior cleaning RepairsGVH ReplacementSystem error messages Troubleshooting1Spare Parts Spare partsAnchor weight Tall profile AccessoriesAnchor weight Low profile 3Wire hook dimension Wire hook, Top anchorTechnical data at a glance Technical dataTechnical data Process connection SUS304 Order StructureOrder Structure Declaration of Contamination Form Declaration of ContaminationDeclaration of Contamination Form Index Index 4532 Your official representative Your offical representative