Avtron LC20 Series User Manual

Indoor liquid cooled load bank

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LC20 Series Load Bank

User's Guide

Part Number: 1 6 0 0 9 7 6

Revision Date: December 2024 V1

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Page 1 LC20 Series Load Bank User’s Guide Part Number: 1 6 0 0 9 7 6 Revision Date: December 2024 V1...
Page 2 AVTRON MODEL LC20 INDOOR LIQUID COOLED LOAD BANK Part Number 1600976 © 2024 Avtron Power Solutions, LLC December 16, 2024 Cleveland, Ohio...
Page 3: Proprietary Note
PROPRIETARY NOTE This document contains information PROPRIETARY TO Load Bank products and systems by Avtron Power Solutions, LLC. It is furnished solely to provide information sufficient instruction, operation, maintenance, evaluation, and testing of the equipment herein disclosed; is not to be used for manufacturing or procurement;...
Page 4: Table Of Contents
AVTRON POWER SOLUTIONS, LLC Cleveland, Ohio AVTRON MODEL LC20 INDOOR LIQUID COOLED LOAD BANK Part Number 1600976 TABLE OF CONTENTS Page Section I SAFETY CONSIDERATIONS ............1-1 Section II DESCRIPTION ................2-1 Section III INSTALLATION ................3-1 Section IV OPERATION ................4-1 Section V MAINTENANCE ................
Page 5: Section I
AVTRON MODEL LC20 OUTDOOR LOAD BANK Part Number 1600976 SECTION I SAFETY CONSIDERATIONS Throughout this manual, you will find WARNING and CAUTION statements. Personal injury or death may occur to an operator using or repairing the equipment if a WARNING statement is ignored.
Page 6 Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Safety Considerations User’s Guide Do not bypass any of the INLET FLOW, OVER PRESSURE or OVER TEMPERATURE switches to prevent nuisance tripping. These features are monitored by the RxMS system Replace any burned out bulbs on the control panel.
Page 7 Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Safety Considerations User’s Guide It is the responsibility of the customer to take diligent care in installing the LCLB. The National Electrical Code (NEC), sound local electrical and safety codes, and the Occupational Safety and Health Act (OSHA) should be followed when installing the equipment to reduce hazards to persons and property.
Page 8: Description
Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Description User’s Guide SECTION II DESCRIPTION The Liquid Cooled Load Bank (LCLB) is designed to provide a balanced resistive load of unity power factor, at a specified 3-phase voltage. The total load capability is 500 kW at 415/480 VAC, 3-phase, 50/60 Hz.
Page 9 Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Description User’s Guide when filling the vessels) that is located on the top of the outlet piping spool, that will allow the operator to know when the vessels are filled. See detail explanation later in the operation section of this manual.
Page 10 Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Description User’s Guide W A R N I N G Never exceed the rated voltage as this will cause the Load Bank to overheat. Do not apply DC voltages as the contactors do not have arc...
Page 11: Installation
Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Installation User’s Guide SECTION III INSTALLATION LOCATION Passageway interference can cause structural damage to the LCLB. The LCLB may be too large to fit through existing man doors with or without the skid attached so care must be taken to make sure the unit fits through the doors.
Page 12 Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Installation User’s Guide The ampacities of these load connections are shown on LCLB the schematic diagram. After installation/connections are complete, verify proper phase to phase clearances on all load wiring and hardware.
Page 13: Operation
Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Operation User’s Guide SECTION IV OPERATION Piping and Valves 1. All the tanks and piping have been hydrostatically tested at the factory to 105 PSIG. Operating pressure is 70 PSIG.
Page 14: Installation Section
Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Operation User’s Guide C A U T I O N Never exceed the rated voltage as this will cause the Load Bank to overheat. Do not apply DC voltages as the contactors do not have arc blowout magnets.
Page 15 Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Operation User’s Guide SHUTDOWN Place the MASTER LOAD switch to the OFF position. NOTE After running a load test, residual heat may be removed from the LCLB by allowing the liquid to flow for a few minutes after load is removed.
Page 16 Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Operation User’s Guide Place the POWER ON/OFF switch to the ON position. The CONTROL POWER light will be energized, indicating control power is present. The GREEN REMOTE light will blink if Ethernet is connected.
Page 17 Electric tools used during repair should be grounded. For example, use only anti-static type solder suckers and grounded tip soldering irons. Discharge non-electric tools before use. · Pack ESD items in static shielding containers before shipping them to Avtron for repair. * Styrofoam® is a registered trademark of Dow Chemical.
Page 18: Maintenance
Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Maintenance User’s Guide SECTION V MAINTENANCE To provide long equipment life and to reduce the chance of electric shock, fires, and personal injury, good maintenance procedures must be used. Before servicing, review the SAFETY CONSIDERATIONS section of this manual.
Page 19 Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Maintenance User’s Guide NOTE Water is used for hydrostatic & heat load testing and subsequent flushing. The potable water source is treated with a water softener prior to entry into test system storage reservoir.
Page 20 Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Maintenance User’s Guide d) If the Load Bank has been idle for more than two months consult factory and refer to Maintenance section of this manual. Perform the check out and maintenance procedure required.
Page 21: Replacement Parts List
Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Replacement Parts List User’s Guide SECTION VI REPLACEMENT PARTS LIST INTRODUCTION The parts list in this section contains the description, quantity required, and part numbers for each listed part. The list also includes schematic reference designators to facilitate parts identification.
Page 22 Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Replacement Parts List User’s Guide REPLACEMENT PARTS LIST SCHEMATIC QTY/ DESCRIPTION REFERENCE PART NUMBER UNIT MODEL LC20 LOAD BANK LC20/ 1600976 . SCHEMATIC 1601232 . ENCLOSURE ASSEMBLY 1601244 ..RELAY PANEL...
Page 23 Avtron LC20 Indoor Liquid Cooled Load Bank • Part Number 1600976 • Replacement Parts List User’s Guide SCHEMATIC QTY/ DESCRIPTION PART NUMBER REFERENCE UNIT .TANK ASSEMBLY 1601209 ..ELEMENT, 5KW,415V,3PH,60HZ 1600730-008 ..ELEMENT, 10KW,415V,3PH,60HZ 1600730-009 ..ELEMENT, 25KW,415V, PH,60HZ 1600730-010 ..TRANSMITTER, PRESSURE 1600954 ..SENSOR, RTD...
Page 24: Appendix A -- Load Bank Troubleshooting Guide
APPENDIX LOAD BANK TROUBLESHOOTING GUIDE NOTE Servicing should always be done only by trained, qualified service technicians. W A R N I N G Be sure that all sources of power to the Load Bank are disconnected before servicing. PROBLEM POSSIBLE CAUSES/REMEDIES Load Bank main power a.
Page 25 Appendix Load Bank Troubleshooting Guide PROBLEM POSSIBLE CAUSES/REMEDIES Blower motor does not a. Main switch or circuit breaker is not closed. operate. b. Power is not connected to Load Bank blower circuit. c. External power source is inadequate. d. Motor fuses are blown. (Check and replace as required.) * e.
Page 26 Appendix Load Bank Troubleshooting Guide PROBLEM POSSIBLE CAUSES/REMEDIES Load step(s) cannot be A blower failure exists. (See problem 2.) energized. MASTER LOAD Switch is inoperative. Control power is inadequate. Fuse is blown in Load Bank control circuit or individual branch circuit load fuse (if so equipped) is blown. (Check and replace as required.) * Blower Fail Relay is malfunctioning.
Page 27: Appendix B -- Liquid Cooled Load Bank Time Vs. Temperature Rise
APPENDIX LIQUID COOLED LOAD BANK TIME VS. TEMPERATURE RISE (DELTA T) GRAPHS AT VARIOUS GPM’S LC20 LOAD BANK 500kW, 415V or 480V, 300GPM...
Page 28 Appendix Time vs. Temperature Rise LC20 LOAD BANK 500kW, 415V or 480V, 200GPM LC20 LOAD BANK 500kW, 415V or 480V, 132GPM...
Page 29 Appendix Time vs. Temperature Rise LC20 LOAD BANK 500kW, 415V or 480V, 40GPM...
Page 30 DRAWINGS PROPRIETARY NOTE This document contains information PROPRIETARY TO Load Bank products and systems by Avtron Power Solutions, LLC. It is furnished solely to provide information sufficient instruction, operation, maintenance, evaluation, and testing of the equipment herein disclosed; is not to be used for manufacturing or procurement;...
Page 31 : prière de www.P65Warnings.ca.gov. www.P65Warnings.ca.gov. consulter: www.P65Warnings.ca.gov. All trademarks are the property of Avtron Power Solutions, LLC, its subsidiaries, and affiliated companies. Avtron Power Solutions 6255 Halle Drive Cleveland, OH 44125 USA 216-573-7600 www.avtronpower.com © 2022 Avtron Power Solutions...
Page 32 For more information go to: www.P65Warnings.ca.gov. amples informations, prière de www.P65Warnings.ca.gov. consulter: www.P65Warnings.ca.gov. All trademarks are the property of Avtron Power Solutions, LLC, its subsidiaries, and affiliated companies. Avtron Power Solutions 6255 Halle Drive Cleveland, OH 44125 USA 216-573-7600 www.avtronpower.com...
Page 33 Terms of Warranty: As provided herein, the Avtron Power Solutions product is warranted to be free of defects in material and workmanship for a period of two (2) years from the date of shipment. The product shipment date will be determined only from the Avtron Power Solutions bill of lading.
Page 34 NO SALESPERSON, EMPLOYEE OR AGENT OF AVTRON POWER SOLUTIONS IS AUTHORIZED TO ADD TO OR VARY THE TERMS OF THIS WARRANTY. Warranty terms may be modified, if at all, only in writing signed by an Avtron Power Solutions officer. Avtron Power Solutions obligations under this Warranty are conditioned upon Avtron Power Solutions timely receipt of full payment of the product purchase price and any other amounts due.
Page 35 . a v t r o n p o w e r . c o m Avtron Power Solutions 9450 Allen Drive, Suite B Cliffe Road, Easton-on-the-Hill Cleveland, OH 44125, USA Stamford PE9 3NP, United Tel: 216 573 7600 Kingdom Tel: +44 (0) 1780 480033 customercare@avtronpower.com © 2023 Avtron Power Solutions. All Rights Reserved.

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