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Landis & Gyr 5235, User Manual & Technical Information

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Landis & Gyr 5235 User Manual & Technical Information Download Page 6

Page 6 of 21 

Issue: 45 

Introduction 

© Gyr 

5235 Single Phase Credit Meter 

– User Manual & Technical Specification 

by OFGEM. This modelling has shown a reliability of better than 97% over 
twenty years. The OFGEM approval number for this meter is 986. 

OFGEM certificates and lifetime reports are available upon request. Please 
contact 

[email protected] 

 

Summary of Contents for 5235

Page 1: ...Electricity Meters Residential BS IEC British Standard 5235 Single Phase Credit Meter User Manual Technical Specification Date 20 11 08 Filename 5235 User Manual Q Pulse No IB047 Landis Gyr ...

Page 2: ...ded new amendments 4 15 02 06 Added D L version removed F version reactive energy still needs adding 5 18 11 08 Revised manual to new branding guidelines and layout Copyright notice The material in this document is the property of Landis Gyr Our products are under continual improvement and we reserve the right to make changes without prior notice Landis Gyr 1 Lysander Drive Northfields Industrial ...

Page 3: ..._________11 4 2 Pulsed Output Option ____________________________________________________11 4 3 Switching inputs D model _________________________________________________11 5 Installation____________________________________________________________ 13 5 1 Construction_____________________________________________________________13 5 2 Meter fixing ____________________________________________________...

Page 4: ...Page 4 of 21 Issue 4 5 Table of Contents Landis Gyr 5235 Single Phase Credit Meter User Manual Technical Specification 10 2 Measurement Units ______________________________________________________ 21 ...

Page 5: ...rnal wire seal All meter types feature an optical port used for reprogramming The metrology LED is incorporated into this port and pulses at a rate of 1000 impulses per kWh All facia details are permanently laser etched directly onto the meter front Options would normally include property details serial numbering and various barcode options Other details may be printed such as customer logo s and ...

Page 6: ...eter User Manual Technical Specification by OFGEM This modelling has shown a reliability of better than 97 over twenty years The OFGEM approval number for this meter is 986 OFGEM certificates and lifetime reports are available upon request Please contact sales landisgyr com ...

Page 7: ...and source of the danger it s possible consequences and measures to counteract the danger 2 1 Responsibilities The owner of the meters normally the utility is responsible that all persons engaged on work with meters Have read and understood the relevant sections of the user manual Are sufficiently qualified for the work to be performed Strictly observe the safety regulations according to section 1...

Page 8: ...uires connecting conductors of 25mm2 Failure to do so could result in irreparable damage to the meter If smaller connecting conductors are used an appropriate mains fuse must be used Only suitably trained and qualified personnel shall be allowed to work on the equipment Local safety standards shall be observed and shall take precedence over these regulations in points of conflict The meters must b...

Page 9: ...summary 3 3 Meter Memory All the meters data is to be recorded in a Ferroelectric Random Access Memory FRAM under the control of the microprocessor All the kWh registers are stored in the FRAM and will be updated periodically and on power fail The FRAM is able to be re written throughout the life of the meter and will hold the information if required for over twenty years 3 4 Reverse Export Energy...

Page 10: ...rse Energy Detection Message Unidirectional Register An optional requirement is to accumulate both import and export energy into the same register Basically this will be the sum of adding both forward and reverse energy resisters The register would be shown as the normal kWh display as below A B C D E F Total Display No Power Read option This allows the user to take meter readings when there is no...

Page 11: ...e register range is 00000 00 99999 99 kWh unless factory configured to six digits The diagram shows a display sequence for a four rate meter and total register below In the two rate variant the meter may be configured to operate between 1 and 2 rates via the Optical port Rate 1 display Flashing enunciator indicates active rate A B C D E F Rate 2 Display 4 2 Pulsed Output Option The type B meter ha...

Page 12: ...Page 12 of 21 Issue 45 User Interfaces Landis Gyr 5235 Single Phase Credit Meter User Manual Technical Specification 5235D L Live switching model 5235D N Neutral switching model ...

Page 13: ...nate Terminal Cover Flame Retardant and UV Stabilised Polycarbonate Terminals Solid Brass extrusion 8 3mm diameter with 2 screws 5 2 Meter fixing The meter is mounted using the two fixing holes found either side of the terminal housing To aid terminal cover sealing the screw boss has four raised indicators that should be aligned against the indicator on the cover 5 3 Wiring Terminal arrangement co...

Page 14: ... Installation Landis Gyr 5235 Single Phase Credit Meter User Manual Technical Specification L N L N Supply Load Meter Element Time switch Meter type 5235 D N L N L N Supply Load Meter Element Time switch Meter type 5235 D L ...

Page 15: ... C to 55 C Storage range 25 C to 70 C Meter Constant 1000 imp kWh Pulse output The output meets IEC62053 31 1998 Class B Maximum voltage 15Vdc Display Type 7 character 7segment LCD Character size 8 3 5 mm Quality Manufactured to ISO 9001 1994 Ofgem approval number 986 Certificated life 20 years Reference standards IEC62052 11 2003 IEC62053 21 2003 Alternating current static watt hour meters for ac...

Page 16: ...Page 16 of 21 Issue 45 Technical Summary Landis Gyr 5235 Single Phase Credit Meter User Manual Technical Specification 6 2 Dimensions ...

Page 17: ...splay for any error messages or notifications Confirm that the energy registers have changed to a reasonable degree since the last visit If irregularities are found continue as in section 8 7 2 Meter Testing The testing of meters either random sample or on all meters should be carried out periodically according to national regulations The meter must be removed as described in section 8 3 and repla...

Page 18: ...and kept in a safe place until all work is complete where they cannot be replaced by anyone unnoticed Proceed as follows Remove the company seal on the terminal cover if fitted Release the two terminal cover screws and remove terminal cover Check with a suitable voltage testing device that the phase connections are not live If they are live then remove the preliminary fuses and keep in a safe plac...

Page 19: ...ent of Faults Issue 4 5 Page 19 of 21 5235 Single Phase Credit Meter User Manual Technical Specification Landis Gyr Package the meter to ensure no further damage can occur during transit Send the meter back to Landis Gyr ...

Page 20: ... ISO 14001 the components used to manufacture the meter can in the main be broken down into constituent parts and sent for suitable recycling or disposal The following are general guidelines and should NOT take priority over local disposal and environmental policies which should be adhered to without compromise Component Parts Disposal Printed Circuit Boards LCD Display Treated as per disposal of ...

Page 21: ...al Standards Organisation LCD Liquid Crystal Display LED Light Emitting Diode MD Maximum Demand MID Metering Industry Directive NPR No Power Read OFGEM The Office of Gas and Electricity Markets PTR Photo transistor RED Reverse Energy Detected 10 2 Measurement Units A Ampere unit of current Hz Hertz unit of frequency Iref MID reference current Kg Kilogramme unit of weight kVAh Kilo Volt Ampere hour...

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