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LSU80A : Load Support Unit

Operators Manual

battery.

After long term use a very high current it is wise to follow this procedure to enable the unit to
safely cool down prior to moving.

After pressing STOP to remove the output disconnect the load.

It will be noted that the fans will reduce to a low setting and then stop.

Press the START push button, the display will show the voltage that was set.

It will be noted that the fans will then start up again and run slowly while the PSU units are
cooled.

Once the fans have stopped it is safe to remove power from the unit by moving the switch to
the up off position.

Doc: DWG1061-11-R2 LSU80A Operators manual.odt

Page 9 of 17

Copyright Material of Intelligent Charging Limited © 2018

Printed On : 17/07/19

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Summary of Contents for LSU80A

Page 1: ...oad Support Unit Operators Manual Doc DWG1061 11 R2 LSU80A Operators manual odt Page 1 of 17 Copyright Material of Intelligent Charging Limited 2018 Printed On 17 07 19 LSU80A LOAD SUPPORT UNIT OPERATORS MANUAL ...

Page 2: ...panel 7 4 OPERATION 8 5 CALIBRATION 10 5 1 CHECKING PROCEDURE 12 5 1 1 Voltage validation 12 5 1 2 Current validation 12 5 2 ADJUSTMENT PROCEDURE 13 5 2 1 Voltage adjustment 13 5 2 2 Current adjustment 13 6 SPECIFICATIONS 15 7 PRODUCT DISPOSAL INSTRUCTIONS 16 8 PRODUCT WARRANTY 17 Doc DWG1061 11 R2 LSU80A Operators manual odt Page 2 of 17 Copyright Material of Intelligent Charging Limited 2018 Pri...

Page 3: ...ON HISTORY Rev Date Description 1 14 07 2014 First write 2 21 07 2015 Rewritten with correct drawings and formatting changes Doc DWG1061 11 R2 LSU80A Operators manual odt Page 3 of 17 Copyright Material of Intelligent Charging Limited 2018 Printed On 17 07 19 ...

Page 4: ...egment displays continuously shows both set voltage and current draw Voltage output can be trimmed in approximately 0 1V steps during operation to offset cable drops and or variations in demand which create excessive demand on the backup batteries Output is enabled or disabled by run and stop buttons Internal variable speed fans are employed to ensure the LSU80A operates at a reasonable temperatur...

Page 5: ... two rubber insulated cables 3m in length The cables are supplied fitted with 8mm ring crimps and keyed mating connectors for connection to the LSU80A The cable has a cross section of 25mm2 per conductor While operating the unit at very high currents the leads should be laid out in such a manner as to aid cooling Doc DWG1061 11 R2 LSU80A Operators manual odt Page 5 of 17 Copyright Material of Inte...

Page 6: ...se the output voltage to be increased Pressing while the unit is stopped will cause the display brightness to be increased Pressing while the unit is running and providing output power will cause the output voltage to be reduced Pressing while the unit is stopped will cause the display brightness to be increased J Voltage indication While the unit is switched on it will show the voltage present at...

Page 7: ...f Intelligent Charging Limited 2018 Printed On 17 07 19 SERIAL No INTELLIGENT CHARGING CasC Systems Ltd Ford House Dewing Road Rackheath Ind Est Norwich Norfolk NR13 6PS ENGLAND TEL 44 1603 722770 FAX 44 1603 722771 MAIL sales intelligent charging com CHARGING INTELLIGENT FROM MODEL P N MADEINENGLAND CASC SY STEMS LTD MAINS 115V 240V 50Hz 60Hz 16AMaximum L ...

Page 8: ...own on the VOLTAGE display this will reduce very rapidly to zero If the load already has a voltage present such as a battery maintained system then the VOLTAGE display will show this value The following steps are followed upon equipment connection Press the START push button and verify the RUN LED is lit and the STOPPED LED is not lit The VOLTAGE display will show the output voltage The CURRENT di...

Page 9: ...ans will reduce to a low setting and then stop Press the START push button the display will show the voltage that was set It will be noted that the fans will then start up again and run slowly while the PSU units are cooled Once the fans have stopped it is safe to remove power from the unit by moving the switch to the up off position Doc DWG1061 11 R2 LSU80A Operators manual odt Page 9 of 17 Copyr...

Page 10: ...ibrated ammeter capable of reading up to 80A to one significant digit or a calibrated ammeter shunt and millivoltmeter combination The equipment will need to be connected as shown in the following figures VOLTAGE MEASUREMENT Doc DWG1061 11 R2 LSU80A Operators manual odt Page 10 of 17 Copyright Material of Intelligent Charging Limited 2018 Printed On 17 07 19 1705 TRUE RMS PROGRAMMBLE MULTIMETER VE...

Page 11: ...ch will give a steady 50A connected to the LU80A switch on and press the START push button Doc DWG1061 11 R2 LSU80A Operators manual odt Page 11 of 17 Copyright Material of Intelligent Charging Limited 2018 Printed On 17 07 19 MADE INENGLAND SERIAL No INTELLIGENT CHARGING from CasC Systems Ltd Ford House Dewing Road Rackheath Ind Est Norwich Norfolk NR13 6PS ENGLAND TEL 44 1603 722770 FAX 44 1603 ...

Page 12: ...age measured on the calibrated voltmeter connected to the output terminals Note if you press and hold either the push buttons the adjustment will be continuous Once complete press the START push button once and verify that it stops flashing and remains steady Press the STOP push button Calibration voltage adjustment is complete 5 2 2 Current adjustment With a load which will give a steady 80A conn...

Page 13: ...ush button once and verify that it stops flashing and remains steady Press the STOP push button Calibration current adjustment is complete Doc DWG1061 11 R2 LSU80A Operators manual odt Page 13 of 17 Copyright Material of Intelligent Charging Limited 2018 Printed On 17 07 19 ...

Page 14: ... voltage then output shuts down recycle AC to reset SHORT CIRCUIT PROTECTION Output latches off recycle AC to reset METER ACCURACY Voltage accuracy 0 2V Current Accuracy 1 0A ENVIRONMENTAL Temp Operating 0 C 40 C Temp Storage 10 C 60 C Humidity 20 90 Non condensing Altitude 0 to 3000 Metres IP Rating Operating IP33 Doc DWG1061 11 R2 LSU80A Operators manual odt Page 14 of 17 Copyright Material of I...

Page 15: ...s substances and avoid the increasing landfill Product disposal instructions for residential users When you have no further use for it please remove any batteries and dispose of them and the product as per your local authority s recycling processes For more information contact your local authority or the retailer where the product was purchased Product disposal instructions for business users Busi...

Page 16: ...ully comply with all procedures shown in the literature and product training familiarisation sessions as misuse or failure to follow the instructions may render this warranty void This warranty is not transferable and excludes routine maintenance consumables parts subject to normal wear and tear service maintenance kits and damage caused by misuse or negligence Warranty claims attributable to impr...

Page 17: ...Load Support Unit Operators Manual This page is intentionally left blank Doc DWG1061 11 R2 LSU80A Operators manual odt Page 17 of 17 Copyright Material of Intelligent Charging Limited 2018 Printed On 17 07 19 ...

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