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ELDB006R9

15/07/2015 17:44

Page 8 of 21

Ampcontrol Electronics

ELDB006R9 ELD V2 USER MANUAL

Rev 9

– 03/14, ECN: 10573



Modifications must not be made to any part of the relay. As supplied, the unit is built to, and
complies with the relevant standards. Modifications to its construction will render the unit non-
compliant.



Complete and accurate records of the installation must be kept as part of the site installation.

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Summary of Contents for 115161

Page 1: ...Part Number 121581 Revision 9 March 2014 Designed and manufactured in Australia by Ampcontrol Electronics Pty Ltd ELD V2 EARTH LEAKAGE PROTECTION RELAY User Manual ...

Page 2: ... that follows and inform other operators CAUTION This safety alert symbol identifies important information to be read in order to ensure the correct sequence of work and to avoid damage or even destruction of the equipment and reduce any potential risk of injury or death to personnel Supplementary information not directly affecting safety or damage to equipment Carefully read the message that foll...

Page 3: ... is believed to be entirely reliable with all of the necessary information included AMPCONTROL PTY LTD reserves the right to make changes to any products described herein to improve reliability function or design and reserves the right to revise this document and make changes from time to time in content hereof with no obligation to notify any persons of revisions or changes AMPCONTROL PTY LTD doe...

Page 4: ...EAKAGE PROTECTION 9 4 1 Overview of Protection Problems 9 4 2 Earth Leakage Systems 10 4 3 Methods of Earth Leakage Protection 10 4 4 Earth Leakage Toroids 11 5 COMMISSIONING AND CALIBRATION 13 5 1 Earth Leakage Test 13 6 ELD V2 OPERATION AND TESTING 14 6 1 Methods of Earth Leakage Protection 14 6 2 Mechanical Arrangement 15 6 3 Electrical Connections 16 7 OPERATION SUMMARY 17 7 1 Rotary Switches ...

Page 5: ...ment are not permitted Unauthorised changes made to the hardware or operating firmware will void the manufacturer s warranty and may compromise the integrity of the system into which it is installed and other connected equipment 1 1 2 Equipment Knowledge Experience with or understanding of this equipment is essential for the safe installation and removal of the equipment Therefore in case of a que...

Page 6: ...em especially if the wrappings are to be discarded 2 2 Inspection Equipment that is found to be damaged or has been modified away from its published specification must not be used Please contact Ampcontrol if the equipment is suspected to be different than that ordered or if it does not match the published specifications 2 3 Storage after Delivery When the equipment is not to be installed immediat...

Page 7: ...nt the system Understanding the needs of the system will ensure proper selection of equipment 3 1 3 Ensure that the ELD V2 relay will properly perform the required functions within the system design It is important to understand how the relay is intended to interact with other equipment within a system For safe and reliable use it is crucial that neither the ELD V2 s logical operation nor its sign...

Page 8: ... ECN 10573 Modifications must not be made to any part of the relay As supplied the unit is built to and complies with the relevant standards Modifications to its construction will render the unit non compliant Complete and accurate records of the installation must be kept as part of the site installation ...

Page 9: ...ased on IEC479 Instructions for installation in accordance with accepted State and Federal Regulations Equipment maintained in accordance with industry standards 4 1 Overview of Protection Problems Unless properly controlled the occurrence of an earth fault can be hazardous because it may cause Frame to earth voltages dangerous to personnel Electric arcing which may initiate an explosion or fire w...

Page 10: ...human body can cause loss of muscular control to the extent of preventing the recipient from disengaging from the live conductor Whereas a current in excess of 50mA is sufficient to produce a critical heart condition from which there is little or no chance of recovery It follows that as an effective safeguard against electrocution resulting from direct contact with a live conductor it would be nec...

Page 11: ...each cable is not contained in the core but in the space outside it and as a result it may link some turns but not others depending on the positioning of the cables The effect of this is that a small output may be obtained from the toroid where none would arise if the device were ideal The size of the error may vary from toroids of the same type because of slight differences in the core and the sy...

Page 12: ...njecting noise into the toroid leads vii To reduce the possibility of noise pickup install twisted pair cable between the ELD relay and the toroid CAUTION The ELD relay includes a circuit for continually testing the toroid connection The resistance of the wiring between the relay and toroid must be kept below 1ohm If this is not done then a CT fault will be detected and the relay will trip ...

Page 13: ... determined during the risk assessment or FMEA covering the design of the electrical protection system The following test can provide guidance on checking the correct operation of the ELD during commissioning This is not intended to provide an exhaustive commissioning checklist but should be considered to be a minimum set of tests 5 1 Earth Leakage Test A test current is injected through the windo...

Page 14: ... stainless steel case and can be either DIN Rail or Panel mounted through a 69 x 39mm cut out When panel mounted the front of the ELD relay is designed to provide IP56 ingress protection There is provision to prevent unauthorised adjustment of the trip settings by sealing the post in front of the knurled nut with a lead seal thus inhibiting the unauthorised removal of the front fascia cover An int...

Page 15: ...l or Panel mounted The dimensions are shown in Figure 1 below Figure 1 ELD enclosure dimensions Panel mounted top and DIN rail mounted bottom options 6 2 2 Front Panel The front fascia of the ELD V2 relay consists of a two switches for selection of the Trip Level and Delay Time five 5 indication LEDs for diagnostics support and a ten segment LED bar graph to display the level of Earth Leakage curr...

Page 16: ... Reset To reset the relay press the button located on the fascia of the relay or provide an external normally open contact it is recommended that a twisted pair be used between the N O contact and the reset input The reset button is also used to access the memory of the processor to view the maximum level of leakage since the previous trip A section of the bar graph will slow flash 2Hz indicating ...

Page 17: ... 7 2 1 Healthy LED LED state Indication Off Power Off microprocessor not operating correctly Flashing Microprocessor is correctly operating On N A 7 2 2 Trip LED LED state Indication Off Relay is healthy Flashing N A On Relay has tripped due to a fault condition 7 2 3 Relay LED LED state Indication Off Relay is not energised Flashing N A On Relay is energised 7 2 4 Har Trip LED LED state Indicatio...

Page 18: ...internally Door seals are in good condition Check that connected cables are free from cuts abrasions and obvious signs of damage Cable restraints are in good order and correctly fitted Check that labels on equipment wall boxes and cables are present and in good condition especially certification labels Check that no modifications have been carried out to installed equipment 8 1 2 Hands On Detailed...

Page 19: ...osal The electronic equipment discussed in this manual must not be treated as general waste By ensuring that this product is disposed of correctly you will be helping to prevent potentially negative consequences for the environment and human health which could otherwise be caused by incorrect waste handling of this product ...

Page 20: ... leakage current as a of the trip level 4mA 0 leakage 20mA 120 leakage 100 17 33mA Max Loop Resistance Vs 10 x 50 where Vs must be greater than 10VDC and less than 30VDC Accuracy 2 of full scale Mechanical Dimensions 77x47x116mm IP Rating IP56 when panel mounted Trip and Time Delay Settings Switch Position Trip Level mA Time Delay mS 0 100 50 1 150 100 2 200 150 3 250 200 4 300 250 5 350 300 6 400...

Page 21: ...nics ELDB006R9 ELD V2 USER MANUAL Rev 9 03 14 ECN 10573 10 EQUIPMENT LIST Part Number Description 115161 ELD V2 Earth Leakage Relay 101399 ELD DIN Rail Mounting Kit 120255 ELD ELC F Adapter Kit 115437 Toroid 25mm ID 101658 Toroid 60mm ID 101656 Toroid 112mm ID ...

Page 22: ...APPENDIX A DRAWINGS ...

Page 23: ...ELDB006R9 15 07 2015 17 44 Page 2 of 3 Ampcontrol Electronics ELDB006R9 ELD V2 USER MANUAL Rev 9 03 14 ECN 10573 ...

Page 24: ...ELDB006R9 15 07 2015 17 44 Page 3 of 3 Ampcontrol Electronics ELDB006R9 ELD V2 USER MANUAL Rev 9 03 14 ECN 10573 ...

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