La Marche A75D Instructions Manual Download Page 1 | Manualshive

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MODEL

A75D / A75DE

SCR BATTERY CHARGER

Digital METERS

THREE PHASE

ECN/DATE

CPN124997

20535 – 8/14

20098 – 8/13

20084 – 8/13

19784 – 12/12

106 BRADROCK DRIVE

DES PLAINES, IL. 60018-1967

(847) 299-1188

FAX: (847)299-3061

ISSUE DATE

:

ECN 19609-7/12

INSTRUCTION DRAWING NUMBER:

P25-

LA75D-A75DE-2

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Summary of Contents for A75D

Page 1: ...Digital METERS THREE PHASE ECN DATE CPN124997 20535 8 14 20098 8 13 20084 8 13 19784 12 12 106 BRADROCK DRIVE DES PLAINES IL 60018 1967 847 299 1188 FAX 847 299 3061 ISSUE DATE ECN 19609 7 12 INSTRUCT...

Page 2: ...UTMOST IMPORTANCE THAT EACH TIME BEFORE USING THIS UNIT YOU READ THIS MANUAL AND FOLLOW THE INSTRUCTIONS EXACTLY To reduce risk of battery explosion follow these instructions and those published by t...

Page 3: ...Gases from the battery will corrode and damage equipment A sealed maintenance free or valve regulated lead acid VRLA may be placed below this equipment Never allow the battery electrolyte to drip on t...

Page 4: ...provide a copy of the claim to La Marche Mfg may void warranty service for any physical damages reported for repair HANDLING WARNING Equipment can be very heavy and top heavy Use adequate manpower or...

Page 5: ...f the battery cables charger output and relay rack terminals Connect the proper battery cable to the ground bar or battery charger output terminal Energize the power supply by turning on the units AC...

Page 6: ...75D A75DE series battery chargers provide separate voltage adjustments for floating or equalizing lead or nickel cadmium cells The float or equalize mode of operation is selected by pressing the equal...

Page 7: ...E PHASE VOLTAGE MODEL NUMBER D B C A75D A75DE 208 240 480 50 24V 30 26 13 75 24V 44 38 19 100 24V 59 51 26 125 24V 74 64 32 150 24V 89 77 38 200 24V 118 102 51 50 48V 15 13 6 75 48V 22 19 10 100 48V 3...

Page 8: ...E terminals of all chargers can be connected together to ensure all chargers automatically switch into and out of equalize mode together PROTECTION Current Walk In The output current gradually increas...

Page 9: ...terminals together If the charger is equipped with a Remote Equalize Terminal connect the RE terminals together CURRENT WALK IN Output current will gradually increase after the battery charger is tur...

Page 10: ...INFORMATION MINIMUM WIRE SIZES See Wire Size Chart lists the ac input and dc output minimum wire size requirements At distances exceeding 10 feet the dc wire size should be chosen to keep the voltage...

Page 11: ...500000 3 52620 400 400000 1750 1750000 2 66360 500 500000 2000 2000000 DENOTES ALL SIZES LARGER THAN 0000 ARE EXPRESSED IN MCM TABLE OF CONVENTIONS CMA Cross section of wire in circular MIL area A Ult...

Page 12: ...le lists the AC input and the DC output minimum wire size requirements At distances exceeding 10 feet the DC wire size should be chosen to keep the voltage difference between the units DC output termi...

Page 13: ...done in the following order single power supply 1 Connect AC input line to the terminal block provided Be sure the AC circuit breaker is off 2 Observe the polarity of the battery cables and the rectif...

Page 14: ...changing the rectifier current limit between 50 110 of rated output Turning the adjustment which is located on the unit front panel clockwise lowers the current limit turning counterclockwise raises...

Page 15: ...lashing LED Solid LED High DC voltage 2 45 Vpc Lead Acid High DC voltage shutdown HVSD 2 5 Vpc Lead Acid Low DC current 5 A Timer mode Mode 0 Equalize Time 8 Hours OPT 46R RELAY PACKAGE 2 SETS OF FORM...

Page 16: ...indicate The timer will automatically return the charger to the float mode when the equalize cycle is complete MODE 1 DISPLAY indicates P01 This mode of operation automatically starts an equalize cycl...

Page 17: ...can be caused by defective batteries and customer loads make sure batteries and loads are free from defects NOTE If the problem is found to be located in the printed circuit boards the board should be...

Page 18: ...output Meter should not indicate If the meter reads full scale deflection this indicates an ac dc short During shipping an AC wire may rub against the DC lugs terminals etc and cause a short These pro...

Page 19: ...nal components 4 Check front panel meters and alarms for accuracy 4th Year REPEAT ABOVE WITH THE ADDITION OF 1 Check relay contacts for pitting or corrosion 2 Check capacitors for leakage 7th Year REP...

Page 20: ...r installation installation adjustments and service arrangements Should minor adjustments be required the local La Marche sales representative should be contacted to provide this service only All sale...

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