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Lamarche A36F, Инструкция по эксплуатации

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Lamarche A36F Скачать руководство пользователя страница 13

A36F - 3 PHASE - INSTRUCTIONS AND TROUBLESHOOTING

Page 13 of 21

In the current limit mode the triac is also fired to regulate the unit output current in the same manner.

In this case, however, the unit d.c. current is being monitored, compared against the current limit set
point and control is applied to the triac.
The silicon diodes SD1 rectify the a.c. output of the transformer PT into pulsating d.c. and the filter
components C3 and L2 smooth this output and reduce ripple.

11.2 S2A-188 REGULATOR ASSEMBLY

The regulator assembly contains the circuits which sense the d.c. output changes and fire the (triac) TR-1
to make the necessary corrections.
The triac is timed from the a.c. output of the transformer PT.  This assembly also produces the current
limit and the current walk-in features.

The regulator board includes the circuitry for the status lights and alarm settings and the output to the

shunt trip circuit for the a.c. input breaker which is used for the high voltage shutdown.

The Float/Equalize switch and alarm lights are arranged so that they may protrude through the front

panel of the unit.

11.3 AC12-1 POWER FAILURE SWITCH

This assembly is used to electronically switch  off the bleeder resistor RL during periods of a.c. failure.

This prevents the battery from being discharged back through unit circuitry.

11.4 S2A-149 SNUBBER

This circuit is used to provide DV/DT voltage suppression for the triac switch TR-1.  It prevents false

firing and voltage transients.

12.0 TROUBLESHOOTING

Troubleshooting should be performed only by trained service personnel or experienced electricians.

CAUTION:  Hazardous a.c. and d.c. voltages are present within the rectifier cabinet.

Equipment: The only service equipment required is a multimeter for voltage or resistance readings and

analog ohmmeter

12.1 GENERAL INSPECTION

On servicing new equipment, before setting up any complicated testing or jumping to any conclusions,

give the unit a general inspection.

Check the following:

1.

 

Check d.c.  output cables, connections,  battery type, and number   of battery cells with rectifier

rating.

2.

 

Check unit specifications with customer order.

3.

 

Check input connections, input voltage and line breaker size.

4.

 

Check for shipping damage, loose connections, broken wires, etc.

Содержание A36F

Страница 1: ... TROUBLESHOOTING MODEL A36F THREE PHASE BATTERY CHARGER ECN DATE 12251 8 98 12444 11 98 10845 4 97 106 BRADROCK DRIVE DES PLAINES IL 60018 847 299 1188 FAX 847 299 3061 ISSUE DATE 9842 11 95 INSTRUCTION DRAWING NUMBER LA36F3PHASE 1 ...

Страница 2: ...ERY OPERATION 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 PREC...

Страница 3: ...When cleaning battery terminals be careful to keep corrosion from coming in contact with eyes Ø Ø Study all the battery manufacturer s specific precautions such as removing or not removing cell caps while charging recommended rates of charge and maintenance procedures UNIT LOCATION Ø Ø Never place this unit directly above the battery Gases from the battery will corrode and damage equipment Ø Ø Nev...

Страница 4: ...he 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 identifi...

Страница 5: ...e mode of operation is selected by a switch located on the front of the rectifier The factory settings are as follows Float voltage Equalize voltage 2 25 volts cell Lead 2 35 volts cell Lead 1 40 volts cell N C 1 55 volts cell N C 2 2 VOLTAGE RANGE Float Equalize 2 12 2 3 volts cell 1 volts Lead 2 25 2 40 volts cell 1 volts Lead 1 39 1 45 volts cell 1 volts N C 1 50 1 60 volts cell 1 volts N C 2 3...

Страница 6: ... 480 CASE NO HEAT DISSIPATION BTU HR A36F 200 24V 200 20 17 9 43 6 100 A36F 300 24V 300 29 25 12 43 9 400 A36F 400 24V 400 40 33 17 43 12 300 48 VOLT DC OUTPUT AC INPUT MODEL NUMBER DC AMPERES 208 240 480 CASE NO HEAT DISSIPATION BTU HR A36F 100 48V 100 20 17 9 43 3 700 A36F 200 48V 200 39 34 17 43 6 100 A36F 300 48V 300 59 51 25 44 9 400 A36F 400 48V 400 78 68 34 44 12 300 Table 1 5 0 STANDARD FE...

Страница 7: ...ASE units are forced to share the load equally within 5 Individual unit d c amp output must be greater than 10 of nameplate rated output 5 6 CURRENT WALK IN Output current will gradually increase after the rectifier is initially turned on reducing current surges 5 7 EMERGENCY RESTORATION This rectifier may be connected to a battery which is heavily discharged and recharge it without clearing any p...

Страница 8: ...INSTALLATION INFORMATION 7 1 MINIMUM WIRE SIZES Table 2 lists the a c input and the D C output minimum wire size requirements At distances exceeding 10 feet the d c wire size should be chosen to keep the voltage difference between the units d c output terminals and the battery at less than 1 2 volt when the unit is fully loaded See Section 7 6 for POWER CABLING FORMULAS The total loop length is tw...

Страница 9: ... 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 CURRENT DRAIN IN AMPERES LF CONDUCTOR LOOP FEET MAX AMP MAXIMUM ALLOWABLE CURRENT FOR A GIVEN VOLTAGE DROP IN AMPERES AVD ALLOWABLE VOLTAGE DROP K 11 1 CONSTANT FACTOR FOR COMMERCIAL TW TYPE ...

Страница 10: ... the rectifier matches the rectifiers output voltage and cell type OBSERVE PROPER POLARITY The negative wire from the battery must be connected to the terminal marked NEGATIVE or NEG and the positive wire from the battery must be connected to the terminal marked POSITIVE or POS on the rectifier To prevent the d c output fuse from blowing when connecting the battery connections to the power supply ...

Страница 11: ...s have been made place the units a c breaker in the on position If there is an optional d c breaker place it in the ON position Note The reset switch on the S2A 178 PCB must be reset when the unit is used as a power supply Verify the output voltage output current and the alarm and status lights to be sure the unit is operating properly If the unit is not operating correctly check the connections a...

Страница 12: ... AWG MCM AREA CIR MILS SIZE MCM AREA CIR MILS 18 1 620 1 83 690 600 600 000 16 2 580 0 105 600 700 700 000 14 4 110 00 133 100 750 750 000 12 6 530 000 167 800 800 800 000 10 10 380 0000 211 600 900 900 000 8 16 510 250 250 000 1000 1 000 000 6 26 240 300 300 000 1250 1 250 000 4 41 740 350 350 000 1500 1 500 000 3 52 620 400 400 000 1700 1 750 000 2 66 360 500 500 000 2000 2 000 000 TABLE 3 11 0 ...

Страница 13: ...hts are arranged so that they may protrude through the front panel of the unit 11 3 AC12 1 POWER FAILURE SWITCH This assembly is used to electronically switch off the bleeder resistor RL during periods of a c failure This prevents the battery from being discharged back through unit circuitry 11 4 S2A 149 SNUBBER This circuit is used to provide DV DT voltage suppression for the triac switch TR 1 It...

Страница 14: ...e 2 The a c input taps on power transformer set incorrectly See schematic wiring diagram 3 An a c to d c short or a c or d c short to ground see ground short circuit test 4 High d c output voltage 4Check battery voltage for proper number of cells 4Check control fuse on alarm interface board 4Float Equalize voltage potentiometers not set properly See Float Equalize adjustment procedure for proper v...

Страница 15: ...for a short to ground primary to secondary breakdown a c d c short or d c ground Before installation of a new unit the above checks should be made before installing If a short of this type is suspected on a unit in service check as follows 1 Disconnect a c input power to the unit Disconnect the d c battery and loads from the rectifier 2 Set ohmmeter scale on ohms scale RX100 3 Measure from one ter...

Страница 16: ...ead to the cathode 4 Note the ohmmeter reading Then reverse the leads to the diode 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 zero O resistance with the leads in either direction If the diode is open the ohmmeter needle will not...

Страница 17: ... must be switched off for approximately ten 10 seconds then turned back on to reset the alarm All other switches are factory set Check the unit schematic for customer alarm relay hookup ADJUSTMENTS SET POINTS TO CHECK OR CHANGE ALARM SETTINGS have volt amp switch in amps position push the equalize timer switch in and hold for 5 seconds The digital display will indicate the low voltage setting and ...

Страница 18: ...ists of a yellow equalize LED and a start stop equalize push button switch The LED indicates that an equalize cycle is in process The push button start stop switch is used to start or stop the equalize cycle To start a cycle the button is pressed the LED will illuminate and the internal timers will reset If the push button is pressed again the equalize cycle will be terminated TIMER MODES To check...

Страница 19: ...every 30 days The length of this cycle is again determined by the timer setting After the equalize period the timer will wait for another 30 days and then restart MODE 4 DISPLAY indicates P04 This mode of operation automatically starts an equalize cycle when the d c voltage drops below the low voltage setting for 30 seconds or longer The battery voltage must rise above 2 01 to activate this mode T...

Страница 20: ...stomer connection These relays may be programmed for summary Rectifier Failure or Positive Ground Detection or Low DC Voltage dip switch positions 1 3 and Low DC Current or Negative Ground Detection or High DC Voltage dip switch positions 4 7 by placing the dip switch in the on position TERMINAL STRIP DIPswitch Position ON see Note 1 TS1 TS2 1 Summary Rectifier Failure 2 Low DC voltage 3 Positive ...

Страница 21: ...l 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 Office should be contacted to provide this servi...

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