- DL manuals
- La Marche
- Battery Charger
- A75D
- Instructions manual
La Marche A75D Instructions manual
Summary of A75D
Page 1
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.
Page 2: Save These Instructions
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 2 of 20 this manual contains important safety and operating instructions for the la marche power conversion equipment. Before using this equipment, read all instructions and cautionary markings on (1) u...
Page 3
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 3 of 20 preparing to charge 1. If it is necessary to remove the battery connections, always remove grounded terminal from the battery first. Make sure all loads are disconnected and unit is off, so as n...
Page 4: Receiving Instructions
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 4 of 20 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 ...
Page 5
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 5 of 20 ***capacitor pre-charge instructions*** warning: read instructions before connecting battery to prevent the dc output fuse from blowing when connecting the battery, connections to the power supp...
Page 6
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 6 of 20 general the lamarche models a75d and a75de are scr battery chargers. These models are designed with a lcd digital display. The a75de is designed as a battery eliminator and can be operated with ...
Page 7
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 7 of 20 mean time between failure the mean time between failure (mtbf) in excess of 100,000 hours at 50 degrees c input ratings ac voltage 25 amps through 500 amps models at 208vac or 240vac or 480vac i...
Page 8
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 8 of 20 specifications electrical ac input voltage range +10% / -12% frequency range 60hz +/- 5% dc output 6 to 500 amps 24 or 48 or 130vdc output filtering a75d no filtering a75de - 100mv rms, with or ...
Page 9
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 9 of 20 paralleling this battery charger will parallel with any other lamarche model a75d/a75de with the same output voltage. Load sharing a load sharing circuit is provided. When connected two (2) or m...
Page 10
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 10 of 20 shock the battery charger in its shipping container withstands shock developed when one edge of the container is dropped six (6) inches while the opposite edge is resting on the ground, or it i...
Page 11
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 11 of 20 power cabling formulas size awg. Area cir. Mils size awg. Mcm* area cir. Mils size mcm* area cir. Mils 18 1620 1 83690 600 600000 16 2580 1/0 105600 700 700000 14 4110 2/0 133100 750 750000 12 ...
Page 12
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 12 of 20 note: these are recommended wire size. All national and local wiring codes must be followed. The table lists the ac input and the dc output minimum wire size requirements. At distances exceedin...
Page 13
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 13 of 20 electrical connections & field wiring a terminal board is provided for connecting the ac input and dc output. A ground wire must be connected to the unit’s case ground. Ac input make sure that ...
Page 14
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 14 of 20 alarm connections form “c” contacts are provided which indicate an ac power failure and summary alarm. The ac failure contacts energize on alarm, the summary contacts de-energize on alarm. Ther...
Page 15
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 15 of 20 digital display operation once the proper ac input and battery are connected to the system, the digital display will indicate the system dc output voltage and output current. Pushing the "up" b...
Page 16
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 16 of 20 contact data: load resistive load (p.F. = 1) rated load 0.60va at 120vac 2a at 30vdc contact material ag(au clad) carry current 2a max. Operating voltage 125vac 125vdc max. Operating current 2a...
Page 17
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 17 of 20 trouble shooting troubleshooting should be performed only by trained service personnel or experienced electricians. Caution: hazardous ac and dc voltages are present within the rectifier cabine...
Page 18
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 18 of 20 dc breaker trips possible cause: 1. Shorted power scr. (repair/replace as required). 2. Shorted battery cells or customer equipment. 3. Shorted output cables. 4. Capacitors not pre-charged. 5. ...
Page 19
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 19 of 20 general maintenance procedure yearly 1. Blow out rectifier/inverter with a low-pressure air hose. 2. Make sure all connections are tight. 3. Perform a visual check on all internal components. 4...
Page 20: Manufacturer’S Warranty
Installation, operating and troubleshooting instructions for model a75d / a75de –three phase page 20 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 ...