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MODEL A36D SERIES - INSTRUCTIONS AND TROUBLESHOOTING

 

Page 3 of 33 

RECEIVING INSTRUCTIONS 

AND 

GENERAL EQUIPMENT INFORMATION 

 

CAUTION:  To ensure safe installation and operation, the information given in the instruction manual should 
be read and understood before installing or using the equipment. 

 

RECEIVING INSTRUCTIONS 

Unpacking and Inspection: Examine the shipping crate upon arrival.  If there is obvious damage, describe on 
the receiving documents.  Within a few days after delivery, the equipment should be uncrated and carefully 
inspected for hidden damages.  When removing packaging material, be careful not to discard any 
equipment, parts, or manuals.  If any damage is detected you should: 
1.

 

File a claim with the carrier within five (5) days. 

2.

 

Send a copy of the claim to La Marche Mfg. Co. 

3.

 

Call La Marche Mfg. For a RETURN MATERIAL AUTHORIZATION NUMBER. 

 

Failure to properly file a claim for shipping damages, or 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 
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 is identified by part number on the nomenclature plate. 
 

ADJUSTMENTS 

All equipment is shipped from the factory fully checked and adjusted.  Do not make any adjustments unless 
the equipment has been powered-up and the settings have been determined to be incorrect. 
 

SPARE PARTS 

To minimize downtime during installation or normal service, it is advisable to purchase spare fuses, circuit 
boards and other recommended components.  Please refer to the list of recommended spare parts and their 
La Marche Mfg. Part numbers included with the instruction manual.  It is recommended that spare fuses be 
ordered for all systems. 
 
To order spare parts, please contact La Marche Mfg. (847)-299-1188 during business hours and ask for the 
Parts Department. 
 
 

Summary of Contents for A36D

Page 1: ...GER INSTRUCTIONS FOR TELECOMMUNICATION APPLICATIONS ECN DATE CPN42892 18985 4 11 16816 2 06 14575 2 01 21063 2 16 17650 11 07 15349 06 6 02 13608 1 00 106 BRADROCK DRIVE DES PLAINES IL 60018 847 299 1...

Page 2: ...low a spark or flame in vicinity of a battery f Be extra cautious DO NOT drop metal onto a battery It might spark or short circuit the battery or cause an explosion g Remove personal metal items such...

Page 3: ...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 hand...

Page 4: ...OUTPUT RATINGS 2 1 DC VOLTAGE The A36D series rectifiers provide separate voltages for floating or equalizing lead or nickel cadmium cells The float or equalize mode of operation is selected by a swi...

Page 5: ...12 volt the 10 12 15 and 20 amp 24 volt and the 10 12 and 15 amp 48 volt models are 120 VAC input only The 150 and 200 amp 48 volt models are rated for 208 240 VAC only Three phase units are generall...

Page 6: ...of rated output Refer to Section 9 6 for details 4 3 HIGH VOLTAGE SHUTDOWN A circuit provided for load protection which causes the rectifier to shut down should its output voltage exceed a preset valu...

Page 7: ...8 33 6 310 9E 10 48V A1 10 120 6 7 64 39 12 48V A1 12 120 8 70 39 15 48V A1 15 120 10 110 33 20 48V ABD1 20 120 208 240 13 4 7 7 6 7 118 33 25 48V ABD1 25 120 208 240 16 8 9 7 8 4 125 33 30 48V ABD1...

Page 8: ...at the rectifier output current has fallen below 5 of rectifier rated DC output This alarm may also trigger the summary failure alarm contacts provided YES is selected in the calibration routine if lo...

Page 9: ...ed for floor installation Case number 39 is designed for both 19 inch 23 inch wide relay rack with EIA standard mounting centers 4 12 ELECTRONIC EQUALIZE TIMER The equalize timer assembly is a micropr...

Page 10: ...233 803 A36D 75 24V 2329 1980 349 1205 A36D 100 24V 3106 2640 466 1606 A36D 150 24V 4659 3960 699 2410 A36D 200 24V 6212 5280 932 3213 A36D 10 48V 621 528 93 312 A36D 12 48V 745 633 112 383 A36D 15 48...

Page 11: ...able 2 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 t...

Page 12: ...d 6 6 POWER CABLING FORMULAS The following section may be used to calculate the wire size requirements for wire lengths in excess of 10 ft Refer to TABLE 3 CMA CROSS SECTION OF WIRE IN CIRCULAR MILS A...

Page 13: ...requency listed on the charger nameplate For units with transformer taps verify that the tap has been set to the correct AC input See Section 3 1 for instructions on changing the transformer tap Deter...

Page 14: ...t and relay rack terminals Connect the proper battery cable to the ground bar or battery rectifier output terminal 3 Energize the unit by turning the AC breaker to the ON position This will charge the...

Page 15: ...t the unit with no load into the equalize mode and then back to the float mode The units should share load equally 8 0 OPERATION 8 1 START UP When all connections have been made place the units AC bre...

Page 16: ...ave a DC load or battery on the rectifier s output When the DC voltage exceeds the setting the high voltage HVSD LED will be on solid indicating high voltage shutdown CAUTION Do not exceed the system...

Page 17: ...is located on the front panel of the unit clockwise raises the equalize voltage For adjustable range see Section 2 2 In the equalize position the rectifier will maintain the battery at the voltage le...

Page 18: ...HIGH DC VOLTAGE 5 SECONDS HIGH VOLTAGE SHUTDOWN 20 SECONDS LOW DC CURRENT 5 SECONDS TIMER MODE 30 SECONDS for Mode 4 HIGH VOLTAGE SHUTDOWN WORKS WHEN A HIGH VOLTAGE SHUTDOWN CONDITION EXISTS ALONG WIT...

Page 19: ...ch again to cancel the equalize cycle Mode 0 is manually operated MODE 1 DISPLAY indicates P1 This mode of operation automatically starts an equalize cycle every 7 days The length of this cycle is aga...

Page 20: ...the triac TR 1 to make the necessary corrections The triac is timed from the AC output of the transformer PT This assembly also produces the current limit and the current walk in features The regulat...

Page 21: ...s with customer order 3 Check input connections input voltage and line breaker size 4 Check for shipping damage loose connections broken wires etc 5 Certain failures can be caused by defective batteri...

Page 22: ...g page 6 H V shutdown improperly set too low 7 Open gate or wire on triac TR 1 12 3 2 Open DC Protection Possible Cause 1 Shorted power diode or diode module repair replace as required 2 Shorted batte...

Page 23: ...hunt 12 3 4 Charger operates but output voltage is high Possible Cause 1 Float Equalize voltage pots not set correctly see float equalize adjustment procedure for proper voltage setting 2 Circuit regu...

Page 24: ...00 scale Refer to Figure 1 2 Disconnect the triac to be checked Using an ohmmeter measure the resistance between main terminals MT1 and MT2 in both directions A good device will indicate open circuit...

Page 25: ...or leads Momentarily short circuit the capacitor leads to assure complete discharge Connect the meter test leads to the capacitor leads or terminals and observe indicated resistance A good capacitor w...

Page 26: ...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...

Page 27: ...urchaser 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...

Page 28: ...pections 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 au...

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