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Installation and Operation Manual 

La Marche Manufacturing Company 
www.lamarchemfg.com

 

SGC

 

SCR Stationary Battery Charger

 

106 Bradrock Dr. Des Plaines, IL 60018-1967  

 

      CPN  137791 

Tel: 847 299 1188      Fax: 847 299 3061 

 

Instruction Drawing Number: P25-LSGC-1 

Revision: A00    Rev. Date: 12/20    ECN: 21664 

 

Summary of Contents for SGC

Page 1: ...che Manufacturing Company www lamarchemfg com SGC SCR Stationary Battery Charger 106 Bradrock Dr Des Plaines IL 60018 1967 CPN 137791 Tel 847 299 1188 Fax 847 299 3061 Instruction Drawing Number P25 LSGC 1 Revision A00 Rev Date 12 20 ECN 21664 ...

Page 2: ... nameplate Do not use this charger for any purpose not described in the operation manual Mechanical Safety This charger or parts of the charger may get very hot during normal operation use care when working nearby Do not expose equipment to rain or snow Always install in a clean dry location Do not operate equipment if it has received a sharp blow been dropped or otherwise damaged in any way Do no...

Page 3: ...repair CAUTION Failure to properly file a claim for shipping damages or provide a copy of the claim to La Marche may void warranty service for any physical damages reported for repair Returns for Service Save the original shipping container If the product needs to be returned for service it should be packaged in its original shipping container If the original container is damaged unavailable make ...

Page 4: ... 2 5 Alarm Connections 7 2 5 1 Standard Alarms 7 2 5 2 Alarm Description 7 2 6 External Temperature Compensation Connections Option 11W 11Y 9 2 7 Ground Detection Connection 10 3 Operation 11 3 1 Starting the SGC 11 3 1 1 Checking the Installation 11 3 1 2 Starting Stopping the SGC 11 3 1 3 Start Up Sequence 11 3 2 Front Panel Display 12 3 2 1 Controls 12 4 Configuration Mode 13 5 Service 16 5 1 P...

Page 5: ...xt description Individual LED indicators provide local supervision and Form C Alarm Contacts provide remote annunciation Understanding the Model Number The SGC model number is coded to describe the features that are included Find the model number on the nomenclature nameplate of the charger Follow the chart below to determine the configuration of the battery charger Optional Accessories Included i...

Page 6: ...The location chosen for the charger should be within an ambient temperature range of 4 to 158 F 20 to 70 C with a non condensing relative humidity no higher than 95 The SGC should be mounted in an area free of flammable explosive materials and away from drips and splatter To be mounted on non combustible surface The SGC utilizes convection cooling so a clearance of at least 6in of free air must be...

Page 7: ...ts add appropriate mounting hardware onto the floor mounting anchor bolts and tighten securely Refer to Figure 3 for hardware specifications and floor mounting dimensions All dimensions are given in inches Figure 3 Floor Mounting Dimensions Figure 1 3 Enclosure Wall Mounting Dimensions Figure 2 4 Enclosure Wall Mounting Dimensions ...

Page 8: ...rmer Taps NOTE This procedure refers only to SGC battery chargers that are multi tap ABD1 All other SGC battery chargers do not include transformer taps The multi tap SGC accepts standard input voltages of 120 208 or 240 VAC by changing the connections to the input terminals Before changing the AC input taps assure that AC supply and DC loads to the SGC are turned off and locked out Verify that no...

Page 9: ...utput terminals Check that the source voltage and frequency match the charger front nameplate specifications Also confirm if charger is multi or single input by referring to charger nameplate If charger is confirmed to be a multi input charger refer to corresponding charger schematic or AC input wiring chart inside charger for transformer tap settings Select wire size using the table below This is...

Page 10: ...oop feet MaxAmp Maximum allowable amperes for given voltage drop AVD Allowable voltage drop K 11 1 for commercial TW copper wire 17 4 for aluminum Calculating Wire Size Requirements AVD K LF A CMA Table 5 Wire Size Area Table Calculating Current Carrying Capacity of Wire K LF AVD CMA MaxAmp EXAMPLE If the charger being used has a max ampere output of 33 Amps and 30 loop feet of copper wire cable i...

Page 11: ...lay will cycle through all active alarms 2 5 2 Alarm Description CHARGER FAILURE ALARM occurs if the charger is unable to regulate the output voltage This alarm stays latched in until the SGC charger is reset AC MAINS FAIL ALARM will trigger the green AC ON LED will turn off if the AC power to the charger is lost The alarm will automatically reset when AC power is restored to the charger When AC p...

Page 12: ...LARM will trigger and the red GND DET LED will turn on if 1 2mA or greater current is measured between the positive terminal of the battery and earth ground The alarm will clear once the positive ground condition is no longer present If the charger has Ground Detection disabled this alarm will not function NEGATIVE GROUND ALARM will trigger and the red GND DET LED will turn on if 1 2mA or greater ...

Page 13: ...proximately two feet of the probe is taken inside the charger enclosure External Probe Connection Procedure Before making any connections to the SGC ensure that the AC Power is off at the main breaker box and that both of the charger s breakers are off Verify that no voltage is present by using a voltmeter at all input and output terminals To connect the external probe the JP4 jumper must be moved...

Page 14: ...f the system is known to be grounded and the Ground Detection is enabled For SGC chargers which are set up to load share only one charger should have Ground Detection enabled All other chargers must have Ground Detection disabled See procedure below for steps If an external Ground Detection system is used the SGC Ground Detection must be disabled WARNING With Ground Detection enabled the SGC charg...

Page 15: ...Time 8 Hours NOTE V C Volts Cell 3 1 1 Checking the Installation Before starting up the SGC check and verify that all connections are correct Check that all terminations and contacts are tightened securely Check that the transformer is set for the correct input voltage Check that the input frequency matches the nameplate of the charger Check that the battery voltage matches the DC output voltage o...

Page 16: ...ze Mode line two of the display will alternate between EQUALIZE MODE and the time remaining Lamp Test Battery Test Button The Lamp Test Battery Test button allows the user to check the function of all of the front panel LEDs without affecting the operation of the charger as well as perform a battery test While the lamp test is running all of the LEDs flash and a sequence of numbers is written to t...

Page 17: ...s Select No of Cells o Select Battery Type Select number of battery cells Float Voltage Allows the selection of voltage per cell for Float operation Select FLOAT VOLTAGE from Configuration Menu o Set to the voltage recommended by battery manufacturer Equalize Voltage Allows the selection of voltage per cell for Equalize operation Select EQUALIZE VOLTAGE from Configuration Menu o Set to the voltage...

Page 18: ...4 days 21 Days Battery Test is started automatically every 21 days 30 Days Battery Test is started automatically every 30 days 60 Days Battery Test is started automatically every 60 days Alarm Settings Allows setting the alarm thresholds for the provided alarms and the alarm time delay Select ALARM SETTING from the Configuration Menu o ALARM DELAY Select the alarm delay in seconds Delay can be set...

Page 19: ...d of Discharge Neg Gnd Fault High DC Shutdown AC Fail Battery Fault Change Serial Number Allows the user to change the serial number associated with the S2A 431 control board This serial number is the serial number of the SGC charger and is set at the factory for new chargers If a user receives a replacement S2A 431 board the serial number may have to be set via calibration Select CHANGE SERIAL NU...

Page 20: ...argers routine checks and adjustments are recommended to ensure optimum system performance Yearly 1 Confirm air vents are open Remove dust and debris from interior of unit 2 Verify all connections are tight 3 Perform a visual inspection on all internal components 4 Check front panel meters for accuracy and LED operation 5 Check capacitors for electrolyte leakage and replace if necessary 7th Year 1...

Page 21: ... defects NOTE If the problem is found to be located in the printed circuit boards the board should be replaced No attempt should be made to repair circuit boards in the field La Marche Service Technicians are available to help with troubleshooting or with scheduling charger service When calling in for a service inquiry or for troubleshooting assistance be sure to have all of the following informat...

Page 22: ...EDs Defective Display Driver Board S2A 348 Meter Reading Incorrect Voltage or Current Internal Wiring Failure Defective Shunt Defective Incorrect Settings on Control Board S2A 431 Pot Misadjustment Charger Running Hot Inadequate Ventilation Ambient is Too Hot Battery Temperature Too High Battery Power Demand Too Great Ambient is Too Hot Shorted Battery Cell s Float Equalize Voltage Set Too High Ba...

Page 23: ...ryday 7 Days 14 Days 21 Days 30 Days 60 Days Manual Battery Test Alarm Settings Alarm Delay 1 255 Seconds Ground Detection Delay 1 255 Seconds DC Low Voltage x xx Volts per Cell DC High Voltage x xx Volts per Cell Low DC Current 0 5 12 5 Amps AC Fail Voltage AC Mains Low 1 12 AC Mains High 1 12 End of Discharge x xx Volts per Cell High DC Shutdown x xx Volts per Cell Summary Alarm DC Low DC High A...

Page 24: ...ts Storage Temperature 40 to 85 C 40 to 185 F Relative Humidity 5 to 95 non condensing Cooling Convection cooled Shock The battery charger in its shipping container withstands shock developed when one edge of the container is dropped six inches while the opposite edge is resting on the ground or it is dropped two inches without any physical damage or degradation of the electrical performance Vibra...

Page 25: ...vice 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 La Marche 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 consequen...

Page 26: ...22 Appendix D Document Control and Revision History Part Number 137791 Instruction Number P25 LSGC 1 Issue ECN 21664 21664 12 20 ...

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