Kohler 36VDC, 6VSG, 24VDC, 48VDC Genset System Menu, System Parameters for Battery Bank Charging

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3.14 Genset System Menu

The genset system menu displays the system information shown in Figure 3-19.Generator sets are factory-set and should not require changes to the system settings in the field.

A Kohler-authorized distributor or dealer can adjust these settings, if necessary. If the generator set is reconnected to a different voltage or the system settings require adjustment for some other reason, see Section 3.5 for instructions to enable editing and change the system settings.

Note: Use caution when navigating the controller menus. In some menus, pressing the Select button can enable editing of the controller settings. Changing the settings to incorrect values can adversely affect generator set operation or render the unit inoperable.

3.14.1System Parameters for Battery Bank Charging

The following system parameters can be viewed in the Genset System menu on the user interface on the generator set’s VSC controller.

•System Voltage

•Auto Start Voltage

•Auto Stop Load (%)

•Load Limit

Note: Changing these settings can damage your generator set and batteries. Always refer to the information provided by the battery bank manufacturer for the correct voltage and charge current limits for your batteries. Contact an authorized Kohler distributor or dealer for assistance if the default settings are not appropriate for the battery bank.

System Voltage: The system voltage is the output voltage of the generator set. Default values are shown in Figure 3-15.The system voltage is set to the required output voltage to properly support the load and charge the battery. Do not confuse this value with the voltage designation of the battery stack. For example, four 12V batteries in series results in a 48V battery stack, but the output voltage needed to charge the battery stack is 54V.

Nominal Voltage

24V

36V

48V

 

 

 

 

Default System Voltage, VDC

27

40.5

54

 

 

 

 

Figure 3-15System Voltage Default Settings

Refer to the battery manufacturer’s documentation for the recommended charging voltage. If the system voltage needs to be changed, contact an authorized Kohler distributor or dealer.

Note: Setting the system voltage to a higher value than the factory default setting will decrease the power output of the generator set.

A 6VSG set at the system voltage shown in Figure 3-15will have an output of 6 kW. If the system voltage is set to a higher value, the output current decreases. The available power output also decreases below 6 kW due to the limits on the engine speed. The graphs in Figure 3-17illustrate the effect of changing the system voltage.

Auto Start Volt: The 6VSG will automatically start when the battery bank voltage has reached or fallen below this value for 180 seconds (3 minutes). Default settings are shown in Figure 3-16.

Nominal Voltage

24V

36V

48V

 

 

 

 

Default Auto Start Voltage, VDC

25

37.5

50

 

 

 

 

Figure 3-16Auto Start Voltage

Note: The 3-minute (180-second) time delay can be changed using a personal computer (laptop) and Kohler® SiteTech™ software. Contact a Kohler authorized distributor or dealer to adjust the delay setting, if necessary.

34 Section 3 VSC Controller Operation

TP-6843 1/13

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Contents VSC TP-6843 1/13aGenerator Set Identification Numbers Product Identification InformationController Identification Engine IdentificationTable of Contents Scheduled Maintenance Table of ContentsAppendix a Abbreviations Battery Safety Precautions and InstructionsAccidental Starting Engine Backfire/Flash Fire Exhaust SystemUse extreme care when handling, storing, and using fuels Fuel System Hazardous NoiseHeavy Equipment Hot PartsIntroduction List of Related LiteratureNameplate Emission InformationService Assistance Service Assistance TP-6843 1/13 Generator Set Enclosure Descriptions and Service ViewsIntroduction Engine AlternatorOnCue Generator Management System AccessoriesCarburetor Heater Programmable Interface Module PIMService Views 3Optional Communications Kit Components Generator Set Operation Prestart ChecklistTheory of Operation Exercising the Generator Set Generator Set OperationExercise FaultsShutdowns Resetting the Controller After a Fault Shutdown Fault Message ShutdownSD Condition Check5Controller Fault Messages Generator Set Operation TP-6843 1/13 VSC Controller Operation Control and IndicatorsVSC Generator Set Controller LED Indicators Controller Keypad6Autopaging Displays, Automatic Mode LCD DisplayChanging Settings Controller PowerBattery Charging Procedure to Change Settings7Changing Settings Changing the Exercise Settings Setting the ExerciserSetting the Exerciser at Controller Power-up Procedure to Set the Exerciser8Procedure to Set the Exerciser on the VSC Controller VSC Controller Menus Main MenuOverview Menu Engine Metering MenuGenerator Metering Menu CalibrationGenerator Set Information Menu Genset Run Time MenuSystem Parameters for Battery Bank Charging Genset System MenuNominal Voltage 24V 36V 48V System Voltage, VDC Setting the Exerciser Adjusting the Display ContrastDate and Time Menu Networking Information MenusNetworking Status Submenu DhcpNetworking Configuration Submenu OnCue Password PasswordRbus Information RbusRemote Devices Submenu 25Remote Devices SubmenuProgrammable Interface Module PIM Status Menu Procedure to View Event History Event LogVSC Controller Operation TP-6843 1/13 Scheduled Maintenance Scheduled MaintenanceService Schedule, 6VSG Models FuelLow Oil Pressure Shutdown Oil Change ProcedureLubrication System Oil CheckResetting the Maintenance Timer Spark PlugsPrecleaner Service Air Cleaner ServicePaper Element Service Engine Starting Battery Cooling SystemFuel System Storage ProcedureLubricating System Cylinder LubricationBattery Controller Service Access TroubleshootingFault Messages IntroductionTroubleshooting Problem Possible Cause Recommended ActionAppendix a Abbreviations AbdcSysteme international d’unites TP-6843 1/13 Appendix Appendix TP-6843 1/13 Page 2012, 2013 by Kohler Co. All rights reserved
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