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INSTALLATION, OPERATING AND TROUBLESHOOTING INSTRUCTIONS FOR MODEL E12 

Page 15 of 20 

 

MANUFACTURER

S WARRANTY 

 

All  La  Marche  Manufacturing  Co.  equipment  has  been  thoroughly  tested  and  found  to  be  in  proper  operating 

condition upon shipment from the factory and is warranted to be free from any defect in workmanship and material 

that may develop within one year from date of purchase.  In addition to the standard one (1) year warranty, La 

Marche warrants it

s magnetics and power diodes on a parts replacement basis only for four (4) more years under 

normal use. 

 

Any part or parts of the equipment (except fuses, DC connectors and other wear-related items) that prove defective 

within a one (1) year period shall be replaced without charge providing such defect, in our opinion, is due to faulty 

material or workmanship and not caused by tampering, abuse, misapplication or improper installation.  Magnetics 

and power diodes are warranted for five (5) years after date of purchase.  During the last four (4) years of this five 

(5) year warranty period, the warranty covers parts replacement only, and no labor or other services are provided by 

La Marche, nor is La Marche obligated to reimburse the owner or any other person for work performed.  

 

Should a piece of equipment require major component replacement or repair during the first year of the warranty 

period, these can be handled in one of two ways: 

1.  The  equipment  can  be  returned  to  the  La  Marche  factory  to  have  the  inspections,  parts 

replacements and testing performed by factory personnel.  Should it be necessary to return a 

piece of equipment or parts to the factory, the customer or sales representative must obtain 

authorization from the factory.  If upon inspection at the factory, the defect was due to faulty 

material or workmanship, all repairs will be made at no cost to the customer during the first 

year.  Transportation charges or duties shall be borne by purchaser. 

 

2. If the purchaser elects not to return the equipment to the factory and wishes a factory service 

representative to make adjustments and/or repairs at the equipment location, La Marche's field 

service labor rates will apply.  A purchase order to cover the labor and transportation cost is 

required prior to the deployment of the service representative. 

 

In accepting delivery of the equipment, the purchaser assumes full responsibility for proper 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 sales are final.  Only standard LaMarche units will be considered for return.  A 25% restocking fee is charged 

when return is factory authorized.  Special units are not returnable. 

 

In  no  event shall La  Marche  Manufacturing  Co.  have  any liability  for  consequential damages,  or loss,  damage or 

expense directly or indirectly arising from the use of the products, or any inability to use them either separately or in 

combination with other equipment or materials, or from any other cause.  In addition, any alterations of equipment 

made by anyone other than La Marche Manufacturing Co. renders this warranty null and void. 

 

La Marche Manufacturing Co. reserves the right to make revisions in current production of equipment, and assumes 

no obligation to incorporate these revisions in earlier models. 

 

The failure of La Marche Manufacturing Co. to object to provisions contained in customers' purchase orders or other 

communications shall not be deemed a waiver of the terms or conditions hereof, nor acceptance of such provisions. 

 

The above warranty is exclusive, supersedes and is in lieu of all other warranties, expressed or implied, including any 

implied warranty of merchantability or fitness.  No person, agent or dealer is authorized to give any warranties on 

behalf of  the  Manufacturer,  nor  to  assume  for  the  Manufacturer  any  other  liability  in connection  with  any  of  its 

products unless made in writing and signed by an official of the manufacturer. 

 

Summary of Contents for CONSTAVOLT E12

Page 1: ... FLOAT BATTERY CHARGER Including optional accessories 18B Digital Combination Alarm Package And 010 AC and DC Circuit Breakers ECN DATE CPN109298 17650 11 07 16816 6 05 106 BRADROCK DRIVE DES PLAINES IL 60018 847 299 1188 FAX 847 299 3061 ISSUE DATE 16390 08 04 INSTRUCTION DRAWING NUMBER P25 LE12 1 ...

Page 2: ...PERATION FOR THIS REASON IT IS OF 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 the battery manufacturer and manufacturer of any equipment you intend to use in the vicinity of the battery Review cautionary marking on all products PERSONAL PRECAUTIO...

Page 3: ...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 this unit when reading the specific gravity or filling the battery Do not operate this unit in a closed in area or restrict ventilation in any way Do not set any battery on top of this unit DC CONNECTION PRE...

Page 4: ... 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 equipment for handling Until the equipment is securely mounted care must be used to prevent the equipment from being accidentally tipped over NOMENCLATURE PLATES Each piece of La Marche Mfg Equipment shipped...

Page 5: ...tery 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 breaker This will charge the capacitors inside the power supply and eliminate heavy arcing when the remaining battery cable is connected After approximately one 1 minute turn off the power supply and immediate...

Page 6: ...ge Check the battery manufacturers specification for the proper float equalize voltage setting and equalize cycle When a battery is discharged or standing idle the battery voltage will be less than the float or equalize voltage Therefore when the charger is put into operation it will immediately begin to charge the battery The charger will charge the battery at its rated output to a predetermined ...

Page 7: ...e voltage variation of 10 of the nominal AC voltage specified on the nameplate AUTOMATIC CURRENT LIMITING The float charger will charge to its maximum current capacity and begin to current limit if overloaded The automatic current limiting feature limits the output of the charger to a maximum of 105 rated load The control panel is preset and factory adjusted to the required current limiting The cu...

Page 8: ...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 Ultimate drain in amperes LF Conductor loop feet MAX AMP Maximum allowable amperes for given voltage drop AVD Allowable voltage drop K 11 1 Constant factor for commercial TW type copper wire KS5482 01 17 4 for al...

Page 9: ... use the Power Cable Formula to determine wire size WIRE GAUGE TABLE WIRE SIZE EQUIPMENT REQUIREMENT GROUNDING FUSE CUSTOMER CONDUCTOR SIZE CONNECTION MINIMUM 1 14 14 3 14 14 4 14 14 5 14 14 6 14 14 10 14 14 15 12 12 20 12 12 25 10 12 30 10 10 35 8 10 40 8 10 45 8 10 50 8 10 60 6 10 70 6 8 80 4 8 90 4 8 100 4 8 110 2 6 125 2 6 130 2 6 WIRE SIZE EQUIPMENT REQUIREMENT GROUNDING FUSE CUSTOMER CONDUCT...

Page 10: ...15 24V 528 396 132 455 20 24V 704 528 176 607 25 24V 880 660 220 759 30 24V 1056 792 264 910 35 24V 1232 924 308 1062 3 48V 211 158 53 182 6 48V 422 317 106 364 10 48V 704 528 176 607 15 48V 1056 792 264 910 20 48V 1408 1056 352 1214 30 48V 2112 1584 528 1821 35 48V 2816 2112 704 2428 3 130V 572 429 143 493 6 130V 1144 858 286 986 10 130V 1907 1430 477 1644 15 130V 2860 2145 715 2466 20 130V 3813 ...

Page 11: ...tentiometers of both units until the load is shared equally at the desired float voltage 7 After a short period of time one unit may assume more of the load Readjust the lower output charger so the current is half the load 8 Once properly set the charger should load share when the load is varied from no load to full load 9 Since there is no interconnecting circuitry and the units are completely is...

Page 12: ... output fuse DC output amps when measuring the DC output voltage with battery and load connected to rectifier TROUBLESHOOTING CONSTAVOLT BATTERY CHARGER AND POWER SUPPLIES SYMPTOM POSSIBLE CAUSE PROCEDURE Open AC input fuse 1 Incorrect AC input 1 Compare AC input voltage with voltage on unit s nameplate 2 Shorted diodes 2 See Troubleshooting and Diode Replacement Sheet Open DC output fuse 1 Defect...

Page 13: ...e Again note the ohmmeter reading If the diode is good the meter will indicate a high resistance in one direction and a low resistance with the leads reversed If the diode is shorted the meter will read full scale or 0 resistance with the leads in either direction If the diode is open the ohmmeter needle will not indicate or show infinite resistance indicating an open circuit with the ohmmeter lea...

Page 14: ...heck 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 REPEAT ALL WITH THE ADDITION OF 1 Filter resonating capacitors and control relays should be replaced 10th Year REPEAT ALL WITH THE ADDITION OF except replacing capacitors and control relays they should be replaced every 7...

Page 15: ...borne by purchaser 2 If the purchaser elects not to return the equipment to the factory and wishes a factory service representative to make adjustments and or repairs at the equipment location La Marche s field service labor rates will apply A purchase order to cover the labor and transportation cost is required prior to the deployment of the service representative In accepting delivery of the equ...

Page 16: ...e Factory if the defect s were due to faulty material or workmanship credit will be issued 2 The equipment can be returned to the La Marche factory to have the inspections parts replacements and testing performed by factory personnel Should it be necessary to return a piece of equipment or parts to the factory the customer or sales representative must obtain authorization from the factory If upon ...

Page 17: ...rm 2 with light High DC Voltage Alarm with light and 2 Sets of Form C contacts Low DC Current Alarm with light and 2 Sets of Form C contacts High DC Voltage Shutdown with light and 1 Sets of Form C contacts Reset pushbutton Equalize select mode switch Selectable Ground Detection circuit with 1 set of Form C contacts Yes ACTIVE No DISABLED The low DC volts low current high DC voltage alarms the equ...

Page 18: ...y will read NO followed by SAVE The display and LED will change every five seconds After going through one cycle the display will return to the normal mode The alarm settings Timer Mode or Equalize Time can be reset while their function is active i e LED is blinking by using the equalize select mode switch Pushing the switch to up will raise the setting while pushing the equalize select mode switc...

Page 19: ...g After the equalize period the timer will wait for another 7 days and then restart MODE 2 DISPLAY indicates P02 This mode of operation automatically starts an equalize cycle every 14 days The length of this cycle is again determined by the timer setting After the equalize period the timer will wait for another 14 days and then restart MODE 3 DISPLAY indicates P03 This mode of operation automatica...

Page 20: ...TION OPERATING AND TROUBLESHOOTING INSTRUCTIONS FOR MODEL E12 Page 20 of 20 AC AND DC CIRCUIT BREAKERS 010 OPTION Description Single Pole AC Breaker 120Vac Two Pole AC Breaker 208 OR 240Vac Two Pole DC Breaker ...

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