La Marche A12B Series Installation And Operation Manual Download Page 1

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This manual is subject to change without notice. You may obtain the newest version of the manual at www.lamarchemfg.com

106 Bradrock Dr. Des Plaines, IL 60018-1967

CPN 40594

Instruction Drawing Number: P25-LA12B-2

Tel: 847 299 1188

Fax: 847 299 3061

Revision A09

Rev. Date: 06/17

ECN: 21475

Installation and Operation Manual

La Marche Manufacturing Company

www.lamarchemfg.com

A12B Series

Constavolt

Battery Charger / Power Supply

Summary of Contents for A12B Series

Page 1: ...hemfg com 106 Bradrock Dr Des Plaines IL 60018 1967 CPN 40594 Instruction Drawing Number P25 LA12B 2 Tel 847 299 1188 Fax 847 299 3061 Revision A09 Rev Date 06 17 ECN 21475 Installation and Operation...

Page 2: ...r any purpose not described in the operation manual Mechanical Safety This charger or parts of the charger may get very hot during normal operation use care when working nearby and do not place any it...

Page 3: ...back for evaluation and repair CAUTION Failure to properly file a claim for shipping damages or provide a copy of the claim to La Marche may void warranty service for any physical damages reported for...

Page 4: ...0 Operation 11 3 1 A12B Startup 11 3 2 Checking the Installation 11 3 3 Charging Modes 13 3 4 Output Voltage Adjustments 13 3 5 Power Failure Alarm 14 3 5 1 Remote Alarm Connection Procedure 14 4 0 F...

Page 5: ...igure 5 Float Equalize Switch Potentiometers and LEDs 13 Figure 6 Power Failure Contacts 14 Figure 7 Power Failure Example Connections Customer Provided Equipment 14 Table 1 Case Type and Weight Table...

Page 6: ...ge the battery on a taper curve from its current limiting capacity to full charge The battery charger has a specially designed transformer reactor combination which inherently compensates for variatio...

Page 7: ...240 lbs 265 lbs 275 lbs 355 lbs 38 6 kg 40 8 kg 63 5 kg 81 7 kg 93 kg 108 9 kg 120 2 kg 124 7 kg 161 kg 130 VDC 3 Case 3 Case 6 Case 6 Case 6 Case 8A Case 8A Case 72 Case 72 Case 72 Case 140 lbs 140...

Page 8: ...a clearance of at least 6 in 152 mm of free air must be maintained on the top bottom left and right side for cooling air Maintain 36 in 914 mm or more of clearance at the front of the charger in orde...

Page 9: ...ght specifications Secure the charger on bolts add appropriate mounting hardware and tighten securely Refer to the figures below for mounting dimensions NOTE All dimensions are in inches For further A...

Page 10: ...loor mounting anchor bolts and tighten securely Refer to Figure 4 for hardware specifications and floor mounting dimensions All dimensions are given in inches Case Size A B C Bolt Diameter 3 13 875 8...

Page 11: ...nt listed on the charger nameplate NOTE Feeder breaker should be sized to match the size of the AC protection used in charger Breaker Size Fuse Size Amps Minimum Wire Size Requirement for Customer Con...

Page 12: ...n 3 1 A12B Startup All equipment is shipped from the factory fully inspected and adjusted to manufacturer defined default values based on the model number Do not make any adjustments unless the equipm...

Page 13: ...attery connections should be done in the following order 1 Make sure that the incoming voltage to the charger is turned off 2 Make sure the battery disconnect breaker is open 3 Connect the battery cab...

Page 14: ...propriate accessory manual for description of selecting charging modes and equalize timer settings 3 4 Output Voltage Adjustments The output voltage of the A12B charger is set to a default value refer...

Page 15: ...all input and output terminals If it is desired that the annunciator be active until the Power Failure alarm triggers connect the annunciator power leads to the NO and C contacts of the Power Failure...

Page 16: ...The change that will be necessary for every model type is the output voltage adjustment call La Marche to verify that the charger in question will have the necessary output range If alarm accessories...

Page 17: ...are open Remove dust and debris from interior of unit 2 Verify all connections are tight 3 Perform a visual inspection on all internal components 4 Check front panel meters for accuracy and LED operat...

Page 18: ...iminary checks above use the troubleshooting chart on section 5 3 as a guideline NOTE If the problem is found to be located in the printed circuit boards the board should be replaced No attempt should...

Page 19: ...d confirm input voltage Charger AC protection is open Refer to Symptom 1 Incorrect Damaged or Loose Cable Harness Connections Visually inspect and verify all internal wiring using charger schematic De...

Page 20: ...s zero the power failure relay may be defective Open RC Resistors Measure resistance of component If open the resistor may be defective Defective Diode Heat Sink Assembly Refer to Appendix D Defective...

Page 21: ...rd AC and DC Fuse Optional AC and DC Breaker Emergency Restoration The battery charger may be connected to a battery which is heavily discharged and recharge it without clearing any protective devices...

Page 22: ...ystems 12L 18NC 19NC or 20NC A12B 3 24V 3 10 1 1 5 0 9 0 8 0 8 0 8 0 8 A12B 6 24V 6 15 1 3 1 7 1 6 1 6 1 5 1 6 A12B 10 24V 10 20 1 5 2 9 2 7 2 7 2 5 2 7 A12B 15 24V 15 25 1 7 5 4 3 4 1 4 1 1 9 1 6 3 8...

Page 23: ...1 71 33 28 66 71 42 42 A12B 300 48V 300 400 3 91 86 86 40 33 79 86 50 50 A12B 400 48V 400 600 3 121 114 114 53 44 105 114 66 66 130 Volt Systems 54 through 60L 92 through 97NC A12B 3 130V 3 10 1 7 5 4...

Page 24: ...aluminum Calculating Wire Size Requirements AVD K LF A CMA Table 5 Wire Size Area Table Calculating Current Carrying Capacity of Wire K LF AVD CMA MaxAmp EXAMPLE If the charger being used has a max am...

Page 25: ...diode only one end of the diode must be disconnected 2 Clip one lead of the ohmmeter to the nipple or pigtail lead of the diode Clip the other ohmmeter lead to the aluminum heat sink 3 Note the ohmmet...

Page 26: ...ng the first year If the Extended Warranty is purchased the parts required for repair will also be at no cost but La Marche will notify the Purchaser of the costs of Labor to replace the defective par...

Page 27: ...for return authorization and a purchase order must be issued Replacement part s will be promptly shipped and invoiced After the defective part s are returned and inspected at the Factory if the defect...

Page 28: ...Document Control and Revision History Part Number 40594 Instruction Number P25 LA12B 2 Issue ECN 12036 6 98 21475 06 17 18985 04 11 17650 11 07 15761 2 03 14575 2 01 18589 03 10 16816 8 05 15349 01 5...

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