. Operation Residential/Commercial Generator Sets Models: 14/20RES 14/20RESL Controller: RDC Residential Digital Control DC Digital Control TP-6734 5/10. California Proposition 65 WARNING Engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Product Identification Information Product identification numbers determine service parts. Controller Identification Record the product identification numbers in the spaces Record the controller description from the generator set below immediately after unpacking the products so that operation manual, spec sheet, or sales invoice.

• Operations Manual Template
• State Operations Manual

Table of Contents Product Identification Information.Safety Precautions and Instructions. Table of Contents, continued Section 3 Scheduled Maintenance.Scheduled Maintenance. Safety Precautions and Instructions IMPORTANT SAFETY INSTRUCTIONS.

Accidental Starting WARNING Electromechanical equipment, including generator sets, transfer WARNING switches, switchgear, and accessories, can cause bodily harm and pose life-threatening danger when improperly installed, operated, or maintained. To prevent accidents be Explosion. Aware of potential dangers and act Can cause severe injury or death. Battery gases.

Explosion can cause Servicing the air cleaner. A sudden Generator set operation. Carbon severe injury or death. Battery gases backfire can cause severe injury or monoxide can cause severe nausea, can cause an explosion. Do not smoke death. Do not operate the generator fainting, or death.

Fuel System Hazardous Noise CAUTION CAUTION WARNING Welding the generator set. Cause severe electrical equipment damage. Hazardous noise. Explosive fuel vapors. Can cause hearing loss. Can cause severe injury or death. Never weld components of the generator without first Never operate the generator set Use extreme care when handling, disconnecting the battery, controller without a muffler or with a faulty.

Short circuits. Hazardous Hot Parts Notice voltage/current can cause severe injury or death. Short circuits can NOTICE WARNING cause bodily injury and/or equipment Canadian installations only. Do not contact electrical standby service connect the output of connections with tools or jewelry while the generator set to a suitably rated making adjustments. Figure 2 Generator Set Literature Information in this publication represents data available Nameplate at the time of print. Reserves the right to change this publication and the products represented The following illustration shows a typical generator set without notice and without any obligation or liability nameplate.

CARB: EXTENDED CERTIFIED ON: LPG / NATURAL GAS REFER TO OWNER’S MANUAL FOR HP RATING, SAFETY, MAINTENANCE, AND ADJUSTMENTS 1-800-544-2444 KohlerEngines.com KOHLER CO. KOHLER WISCONSIN USA tp6515 Figure 3 Engine Identification Label, 14RES/RESL Figure 5 Engine Identification Label, 20RES/RESL Generator Set. Visit the Kohler Power Systems website at Phone: (86) 21 6288 0500 KohlerPower.com. Fax: (86) 21 6288 0550 Look at the labels and stickers on your Kohler product India, Bangladesh, Sri Lanka or review the appropriate literature or documents India Regional Office included with the product. Notes Service Assistance TP-6734 5/10. The generator set has a four-cycle, twin cylinder, air- The RDC and DC controllers are designed to cooled Kohlerr engine. The engine operates on clean- communicate with and control the Kohler model RRT burning natural gas or propane (LP) vapor.

Engine Automatic Transfer Switch (ATS). Load control output allows delayed start of large LED display: motor loads. Crank cycle status Field-upgradeable controller firmware (requires Kohlerr SiteTecht software, available only to Kohler Setup information (RDC only) authorized distributors and dealers) Software version Front-access mini USB connector for software. 1.6 Accessories 1.6.2 OnCuet Home Generator Management System The following optional accessories are offered for the RES and RESL generator sets. The Kohlerr OnCuet Home Generator Management System allows monitoring and control of your RES or RESL generator set from a personal computer located 1.6.1 Carburetor heater in your home or at other remote locations.

1.7 Service Views for Maintenance TOP VIEW - ROOF REMOVED TO SHOW DETAIL FRONT VIEW 6, 7 20, 21 15, 16 ADV-7876 AIR INTAKE SIDE -PANEL REAR VIEW REMOVED TO SHOW DETAIL 1. Muffler (located below cover plate) 14. Field-connection terminal block location 2. Section 2 Operation 2.1 Prestart Checklist The operator should perform all of the prestart checks before starting the exercise procedure. Start the To ensure continued satisfactory operation, perform the generator set according to the starting procedure in the following checks or inspections before or at each controller section of this manual.

2.5 Controls and Indicators Figure 2-1 illustrates the RDC and DC controller user interfaces. Residential Digital Controller (RDC) Digital Controller (DC) 1. LED display 6. Service access (see Section 4.2) 2. Up button (RDC only) 7.

RUN button and LED 3. 2.5.1 LED Display Display Description Blank (dark) Controller is off. When the system is in AUTO and the generator set is not running, the LED display shows the engine run time u#.# Controller software version number hours. During cranking, the display shows the crank XXX.X Engine hours to 999.9 cycle information.

2.5.3 LED Indicators Button Button Function Starts the generator set. The engine start LEDs above the RUN, OFF, and AUTO buttons indicate time delay is ignored. The mode of operation as shown in Figure 2-5. Shuts down the generator set. The cooldown time delay is ignored. Local Starting and Stopping RDT or RSB Transfer Switches Start If a Kohler Model RDT or RSB transfer switch is used, the engine start contacts from the ATS must be Press the RUN button to immediately start the generator connected to engine start leads 3 and 4 on the generator set. 2.7 Exercise 2.7.2 Low-Speed Diagnostics During the unloaded diagnostic test, the controller A power system that includes a model RES or RESL monitors the following data.

The controller display generator set and a model RRT transfer switch can be indicates an unloaded exercise run (EnLd) during the set to automatically run the generator set at the same diagnostics, unless a fault is detected as described time and day each week. After 20 minutes, the ATS transfers the load back to illuminated. The engine runs at normal operating speed utility power. The engine runs for the cooldown (3600 RPM) during the test sequence. Cycle and then shuts down.

Pressing the OFF button during the crank cycle stops The exercise time is set to the time the down arrow the cranking. before the generator set engine stops. Section 2.9.4 to reset the controller after a fault generator set goes into Auto mode. Immediate Shutdown During a Loaded Test 2.9.3 ATS Communication Errors Press the OFF button to shut the generator set down An ATS fault can be caused by two conditions. Warning (W) or Shutdown (SD) Condition Code Fault Check Auxiliary fault SD.

An optional customer-connected input is Check customer-supplied equipment. Input closed.

High engine SD. Engine coolant temperature exceeds the Check for blocked air inlets and temperature maximum temperature for more than exhaust outlets. Warning (W) or Shutdown (SD) Condition Code Fault Check Low battery Engine starting battery voltage falls below Check the battery rating and voltage the battery voltage setting (typically condition. 12 volts) for more than 90 seconds when Check the battery charger operation. The engine is not running.

2.10 Model RRT Transfer Switch 3. The generator set is signaled to start.

The generator starts and the emergency source becomes available. The RDC/DC generator set/transfer switch controller manages automatic transfer switch (ATS) functions 5. The normal-to-emergency time delay times out. When connected to a Kohlerr model RRT transfer switch through the ATS interface board. 2.10.4 Engine and Transfer Time Delays 2.11 Event History The engine start and transfer time delays prevent The last ten controller faults can be viewed from the engine start and load transfer caused by brief variations controller display when the controller is off. Each event in the utility power source.

Section 3 Scheduled Maintenance WARNING WARNING Hot engine and exhaust system. Accidental starting. Can cause severe injury or death. Can cause severe injury or death. Do not work on the generator set until Disconnect the battery cables before it cools.

Working on the generator set. 3.1.1 Service Schedule, 14RES/RESL Models Procedure Visually Inspect Check Change Clean Test Section System Component or Procedure Frequency Fuel Flexible lines and connections Quarterly Main tank supply level Weekly Fuel piping Yearly Lubrication Oil level 8 hours or before use Crankcase breather hose Yearly or 500 hours Change oil. 3.1.2 Service Schedule, 20RES/RESL Models Procedure Visually Inspect Check Change Clean Test Section System Component or Procedure Frequency Fuel Flexible lines and connections Quarterly Main tank supply level Weekly Fuel piping Yearly Lubrication Oil level 8 hours or before each use Change oil Yearly or 150 hours Replace filter. 3.2 Lubrication System 3.2.3 Engine Oil Recommendation Use 5W-30 API (American Petroleum Institute) Service See the service schedules in Section 3.1 for oil change Class SG, SH, or SJ synthetic oil. Synthetic oil oxidizes and oil filter replacement intervals.

See the service and thickens less than other oils and leaves the engine views in Section 1.7 for the oil drain, oil check, oil fill, and intake valves and pistons cleaner. Fill with oil.

3.2.5 Oil Cooler 20RES/RESL a. Fill the engine to the F mark on the dipstick. The Inspect and clean the oil cooler at the intervals indicated engine oil capacity is shown in Figure 3-2. See in the service schedule.

The oil cooler must be kept free Section 3.2.3, Engine Oil Recommendation, of debris. Reinstall the spark plug into the cylinder head. Torque spark plug 24.4-29.8 Nm (18-22 ft.

Lb.) Generator Set Model Spark Plug Gap 14/20RES/RESL 0.76 mm (0.030 in.) Figure 3-4 Spark Plug Gap 586536 1. Cover knob 2. Air cleaner cover 3. Element cover nut 4. Element cover 1-514 5. Disconnect the power to the battery charger. Check the condition of the rubber seal on the air cleaner stud and replace the seal if necessary.

Disconnect the battery, negative (-) lead first. Reinstall the paper element, precleaner, element 4.

Rotate the latch clockwise, over the molded lip on the element. Install the air cleaner cover and secure with the two retaining knobs. When element replacement is necessary, order genuine Kohler parts. Section 3 Scheduled Maintenance TP-6734 5/10. 3.7 Battery Refer to this section for general battery information and maintenance.

Also consult the battery manufacturer’s instructions for battery maintenance. WARNING All generator set models use a negative ground with a 12-volt engine electrical system. Consult the generator set nameplate for the engine electrical system voltage. Consult the generator spec sheet for battery capacity recommendations for replacement purposes. 3.8 Battery Charger Battery Charger Operation Figure 3-11 illustrates the three-stage charging method.

The generator set is equipped with a battery charger to Red and green LEDs indicate charger operation. The maintain the engine starting battery. The charger’s DC chart in Figure 3-12 describes the LED indicator leads are factory-wired. 3.9 Circuit Protection 3.9.2 Fuses A 20-amp circuit breaker protects the alternator and two If the generator set circuit breaker trips or the fuses blow fuses protect the electrical controls.

See Section 4.2 for repeatedly, see Section 4, Troubleshooting, for possible fuse locations. 3.10 Storage Procedure 3.10.3 Cylinder Lubrication 1.

Remove the spark plugs. Perform the following storage procedure before removing the generator set from service for three 2.

Pour one tablespoon of engine oil into each spark months or longer. Follow the engine manufacturer’s plug hole. The controller fuses and alternator winding circuit breaker are accessible from the front of the controller. Remove the service access door to reach the circuit breaker and fuses. See Figure 4-1. Obtain replacement fuses from a Kohler authorized distributor/dealer.

USB port (for service) 2. Problem Possible Cause Corrective Action Controller LED Controller is OFF (check the OFF LED) Press RUN to start the generator set or AUTO for display is off. Automatic operation. Controller fuse (F3) is blown. Replace the fuse.

If the fuse blows again, contact an authorized distributor/dealer. 4.4 Battery Charger Troubleshooting Use the battery charger’s LED indicators and the table in Figure 4-3 to troubleshoot battery charger operation problems. Problem Cause Solution Red LED stays on One or more inoperative or damaged cells.

Load test the battery and replace, if necessary. For more than Battery charger has reduced its output Remove the source of the overload or short. Notes Section 4 Troubleshooting TP-6734 5/10. (2 bytes) est. Estimated Canadian Electrical Code KBus Kohler communication protocol E-Stop emergency stop cert. Certificate, certification, certified kilogram etc. Et cetera (and so forth) cubic feet per hour TP-6734 5/10 Appendix 45.

kg/cm kilograms per square National Bureau of Standards remote terminal unit centimeter normally closed room temperature vulcanization kilogram-meter National Electrical Code read/write kg/m kilograms per cubic meter NEMA National Electrical Society of Automotive kilohertz Manufacturers Association Engineers kilojoule NFPA National Fire Protection scfm standard cubic feet per minute Association. For the nearest sales/service outlet in the US and Canada, phone 1-800-544-2444 KohlerPower.com Kohler Power Systems Asia Pacific Headquarters TP-6734 5/10 7 Jurong Pier Road Singapore 619159 E 2010 by Kohler Co. All rights reserved.

Phone (65) 6264-6422, Fax (65) 6264-6455.

. Operation Residential/Commercial Generator Sets Models: 14/20RESA 14/20RESAL Controllers: RDC2 TP-6804 12/11. California Proposition 65 WARNING Engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Product Identification Information Product identification numbers determine service parts. Controller Identification Record the product identification numbers in the spaces Record the controller description from the generator set below immediately after unpacking the products so that operation manual, spec sheet, or sales invoice. Table of Contents Product Identification Information.Safety Precautions and Instructions. Table of Contents, continued RDC2 Controller Menus.Main Menu. Table of Contents, continued Storage Procedure.

5.8.1 Lubricating System. Notes TP-6804 12/11. Safety Precautions and Instructions IMPORTANT SAFETY INSTRUCTIONS. Accidental Starting WARNING Electromechanical equipment, including generator sets, transfer WARNING switches, switchgear, and accessories, can cause bodily harm and pose life-threatening danger when improperly installed, operated, or maintained. To prevent accidents be Explosion.

Aware of potential dangers and act Can cause severe injury or death. Battery gases. Explosion can cause Servicing the air cleaner. A sudden Generator set operation. Carbon severe injury or death. Battery gases backfire can cause severe injury or monoxide can cause severe nausea, can cause an explosion.

Do not smoke death. Do not operate the generator fainting, or death.

Fuel System Hazardous Noise WARNING CAUTION WARNING Hazardous voltage. Backfeed to the utility system can cause property damage, severe Hazardous noise.

Operations Manual Template

Injury, or death. Explosive fuel vapors. Can cause hearing loss. Can cause severe injury or death. If the generator set is used for Never operate the generator set standby power, install an automatic Use extreme care when handling. Welding on the generator set.

Can Hot Parts Notice cause severe electrical equipment damage. Before welding on the NOTICE WARNING generator set perform the following Canadian installations only. Steps: (1) Remove the battery cables, standby service connect the output of negative (-) lead first. RDT Automatic Transfer Switch TP-6345 Information in this publication represents data available Installation Manual, Model RSB at the time of print. Reserves the right to Automatic Transfer Switch TP-6486 change this publication and the products represented Operation Manual, Model RSB. The Kohlerr Model CH740 engine used on the 14RESA/RESAL generator set is certified to operate using natural gas or propane fuel. The Kohler Model CH1000 engine used on the 20RESA/RESAL generator set is certified to operate using propane fuel.

The CH1000 engine used on the. Visit the Kohler Power Systems website at Phone: (86) 21 6288 0500 KohlerPower.com. Fax: (86) 21 6288 0550 Look at the labels and stickers on your Kohler product India, Bangladesh, Sri Lanka or review the appropriate literature or documents India Regional Office included with the product. Notes Service Assistance TP-6804 12/11. Kohlerr engine.

The engine operates on clean- interface with and control the Kohler Model RXT burning natural gas or propane (LP) vapor. Engine Automatic Transfer Switch (ATS). Do not use the Kohler features include: Model RRT transfer switch with the RDC2 or DC2 Efficient overhead valve design and full pressure controller. The controller’s 2-line LCD screen displays status Front-access mini USB connector for SiteTecht messages and system settings that are clear and easy connection to read, even in direct sunlight or low light. Front access mini-breaker protects the alternator RDC2 Controller Features Integral Ethernet connector for Kohlerr OnCuet Six-button keypad Built-in 2.5 amp battery charger. DC2 Controller Features Automatic start with programmed cranking cycle Four-button keypad: OFF, AUTO, RUN, and Exercise modes EXERCISE pushbuttons Unloaded weekly exercise with complete system LED indicators for OFF, AUTO, and RUN modes diagnostics Unloaded full-speed exercise LCD display: Loaded full-speed exercise (Model RXT ATS Two lines x 16 characters per line required) Backlit display with adjustable contrast for. 1.7 Accessories 1.7.4 Programmable Interface Module (PIM) The following optional accessories are offered for the RESA and RESAL generator sets.

The optional Programmable Interface Module (PIM) provides programmable inputs programmable dry contact outputs for connection to 1.7.1 Carburetor Heater customer-supplied equipment. The outputs are controlled by the RDC2 controller, and can also be An optional carburetor heater is recommended for. 1.8 Service Views 16, 17 AIR INTAKE SIDE -PANEL REMOVED TO SHOW DETAIL ADV-8424 1. Hinged inner cover 15. RDC2 or DC2 controller 2. Hinged roof 16.

Field-connection terminal block (behind panel) 3. Air intake 17. Digital spark advance ignition (DSAI) leads 4. Notes Section 1 Descriptions and Service Views TP-6804 12/11. Section 2 Generator Set Operation 2.1 Prestart Checklist 2.3 Generator Set Operation To ensure continued satisfactory operation, perform the 2.3.1 Local Starting and Stopping following checks or inspections before or at each startup, as designated, and at the intervals specified in Start: Press the RUN button to immediately start the the service schedule. 2.3.6 Automatic Operation with Model RXT Transfer Switch If a Kohler Model RDT or RSB transfer switch is used, the engine start contacts from the ATS must be The Model RXT transfer switch connects to the RDC2 connected to engine start leads 3 and 4 on the generator controller through the ATS interface board on the set. 2.4 Exercise Runs at reduced speed for 10 minutes to warm up and exercise the engine.

The RDC2 and DC2 controllers can be set to Ramps up and runs at full speed for 3 minutes. Automatically run the generator set at the same time and Engine diagnostics are performed during this day each week. RDC2/DC2 controller to check the output power for The generator set continues to run and supply power to correct voltage, frequency, and stability. When the the load for the duration of the utility power outage. Engine is running at full speed, the controller verifies When Utility power is restored, the ATS will re-transfer to that the voltage and frequency are within acceptable the utility source through normal timing sequences.

2.5.4 Resetting the Controller after a 3. Press Select.

Confirm Clear Fault: NO is displayed. Fault Shutdown 4. Press the Down arrow button. Confirm Clear Fault: Always identify and correct the cause of a fault YES is displayed. Shutdown before resetting the controller.

Check the fault message displayed on the controller and refer to 5. Warning (W) or Shutdown (SD) Condition Fault Message Check AC Sens Lost W (1 sec.) AC sensing lost. In Auto mode, generator output Contact an authorized AC sensing is lost. Starts 10 seconds after distributor/dealer for service. SD (3 sec.). crank disconnect.

Warning (W) or Shutdown (SD) Condition Fault Check Generator SD. Governed frequency exceeds 110% of the Contact an authorized Frequency High system’s frequency setpoint for more than 10 distributor/dealer for service.

Function becomes active 10 seconds after engine start (10 second inhibit). Generator SD. Governed frequency falls below 90% of the. Notes Section 2 Generator Set Operation TP-6804 12/11.

Section 3 RDC2 Controller Operation 3.1 RDC2 Generator Set/ Transfer Switch Controller Model RESA generator sets are equipped with the RDC2 generator set/transfer switch controller. Model RESAL generator sets are equipped with the DC2 controller.

See Section 4 for DC2 controller operation information. 3.2.1 Controller Keypad 3.2.2 LED Indicators The RUN, OFF, and AUTO buttons control the generator LEDs above the RUN, OFF, and AUTO buttons indicate set as described in Figure 3-3.

The mode of operation as shown in Figure 3-4. Use the Select, Up arrow, and Down arrow buttons to Power System LEDs indicate the status of the utility navigate through the menus and change settings, if power and the generator set, and indicate which source. 3.2.3 LCD Display The display contrast is adjustable. Navigate to the Genset System menu and step down to the Contrast The controller is equipped with a two-line x 16 character screen. Press the Select button, and then use the up backlit digital display with adjustable contrast.

Note: If no buttons are pushed, the controller exits the Have controller setup and adjustment performed only by menus and returns to the generator set status an authorized Kohler distributor/dealer or authorized display after 5 minutes. Section 3 RDC2 Controller Operation. Changing Settings on the RDC2 Controller 1. Press the Select button to enter the main menu. When the correct date is shown, press the Select button. The saved date is shown.

Overview - Press: Display: Date: 1.2 h Press: Display: 03Jan2012 2. 3.6 Setting the Exerciser 7. Press the Select button.

The setting flashes to show that it can be changed. For example, HR Set the exerciser to automatically run the generator set flashes to show that the hour can be changed.

For 20 minutes every week or every two weeks. Genset - System Freq: System XX.X Hz System Phase System Volt Battery V: HOLD: Next Exercise. Next Exercise HR:MN PM MM/DD/YY HR:MN PM MM/DD/YY HOLD: Exercise Mode: Exercise Mode: Unloaded Cycle/Unloaded Loaded Full/ Loaded Full HOLD: Exercise Freq: Exercise Freq: Weekly Weekly/Bi-Weekly Language. 3.7 RDC2 Controller Menus 3.8 Main Menu Controller menus display power system information, Press the Select button once to bring up the main menu. Including status information for the engine, generator, Overview is displayed.

See Figure 3-9. Press the down and optional RBUS accessories, exercise settings, and arrow button to step to the next menu, Engine Metering. 3.9 Overview Menu 3.10 Engine Metering Menu The engine metering menu displays engine status information as shown in Figure 3-11. This menu displays status information only. No settings can be Overview - Active Alert changed from this menu.

1.2 h (if any) Eng Speed: Engine -. The voltage calibration mode can be entered from the Generator Metering menu. Contact a Kohler-authorized distributor/dealer for service. The Reset Calibration menu allows you to set the voltage reading back to the original value after calibration, if necessary. See Figure 3-12.

Kohler SiteTech software is required to enter the manufacturer’s recommendation for changing the oil. Generator set model number and serial numbers on a Refer to Section 5, Scheduled Maintenance, for replacement controller. Contact an authorized Kohler maintenance instructions. Figure 3-15. Generator sets are System factory set and should not require changes to the system settings in the field. A Kohler authorized distributor or dealer can adjust System Freq: these settings, if necessary. If the generator set is 60 Hz.

3.15 ATS Status Menu The ATS Status menu displays Model RXT transfer switch and source information. ATS menus appear if a Model RXT transfer switch is The voltage shown in these menus can be calibrated. Connected to the generator set. If no transfer switch is Follow the safety precautions at the beginning of this connected, or another model ATS is connected to the manuals. 3.16 ATS Configuration Menu Note: The ATS Configuration menu appears only if a ATS - Normal Freq: Model RXT transfer switch is connected. Configuration 12.3 Hz Use the ATS Configuration submenu to check the Model RXT transfer switch system settings and time delays, and change the settings, if necessary.

3.17 Date and Time Menu Date and The date and time will typically be set at controller Date: Time power-up. To change the date, time, or time format 02Dec2011 (12 hour or 24 hour), use the Date and Time menu. See Figure 3-18. 3.18.1 Networking Status Submenu If DHCP is enabled, IP parameters are not displayed. If DHCP is disabled (i.e., if a static IP address is used), the The Networking Status submenu contains settings for IP parameters are displayed.

See the OnCue Software Operation Manual for information about the appropriate network settings To enable or disable DHCP and change the IP settings, for OnCue. 3.18.2 Networking Configuration Password Submenu (OnCue Password) For the initial OnCue setup, you will be required to reset the OnCue password on the RDC2 controller, and then The networking Configuration menu includes settings enter it into the OnCue software. To reset the password, used for communication with the Kohlerr OnCuet follow the instructions in Figure 3-21. 3.18.3 RBUS Information Model RXT transfer switch The RBUS Information menu contains settings for Programmable Interface Module (PIM) remote modules that communicate with the RDC2 Load Control Module (LCM) controller using RBUS protocol. This includes the following optional modules: Networking- Networking-.

3.18.4 Remote Devices Submenu The serial numbers for the PIM and LCM are printed on the circuit boards inside the enclosures. Check the status of remote devices communicating through RBUS. Device types can include: Model RXT ATS Programmable Interface Module (PIM) Load Control Module (LCM) From Figure 3-22: Remote -.

3.19 Programmable Interface A personal computer running Kohlerr SiteTecht software is required to change the input and output Module (PIM) Status Menu settings. Contact an authorized distributor or dealer for service. The PIM status menu displays the status of inputs and outputs connected to the programmable interface The Kohlerr OnCuet Home Management System can module (PIM). 3.20 Load Control Module (LCM) Generator current is displayed as a percent of the maximum generator capacity. The load control module Menus adds and sheds loads based on the generator current. The Load Control menu displays the status of the Load The test function cycles the relays in the order of their Control Module (LCM) inputs and outputs, and allows a priority. 3.21 Event Log 6.

Press the Select button to exit the event log. To stop viewing the event history before the last event, The event log displays up to 1000 controller faults and press the select button to return to the main menu. Notices, starting with the most recent event. Section 4 DC2 Controller Operation 4.1 DC2 Generator Set/ Transfer Switch Controller Model RESAL generator sets are equipped with the DC2 generator set/transfer switch controller.

State Operations Manual

Model RESA generator sets are equipped with the RDC2 generator set/transfer switch controller. Section 3 for RDC2 controller operation information. The DC2 controls the following power system components: Model 14RESAL or 20RESAL generator set. 4.2.1 Controller Keypad 4.2.2 LED Indicators The RUN, OFF, and AUTO buttons control the generator LEDs above the RUN, OFF, and AUTO buttons indicate set as described in Figure 4-3. The mode of operation as shown in Figure 4-4. Use the EXERCISE button to set the exerciser on the DC2 controller. 4.2.3 LCD Display Active Alert The controller is equipped with a two-line x 16 character (if any) backlit digital display with adjustable contrast.

When the generator set is running, the messages shown in Figure 4-5 are displayed. When the system is in AUTO, Genset State the LCD display steps through the status messages Standby. 4.5 Exercise 4.5.3 Exerciser Reset To reset the exerciser to run at a different day and/or The DC2 controller can be set to automatically run the time, follow the procedure in Section 4.5.2 to enter the generator set at the same time and day each week.

New exerciser settings. 4.7 Maintenance Timer 4.8 OnCue Password The maintenance timer keeps track of the time until the To set the OnCue password on the DC2 controller, next recommended maintenance according to the 1.

Press the OFF button and verify that the generator maintenance schedule for the 14RESAL or 20RESAL set is not running. Notes Section 4 DC2 Controller Operation TP-6804 12/11. Section 5 Scheduled Maintenance WARNING WARNING Hot engine and exhaust system. Accidental starting. Can cause severe injury or death. Can cause severe injury or death. Do not work on the generator set until Disconnect the battery cables before it cools.

Working on the generator set. 5.1.1 Service Schedule, 14RESA/RESAL Models Procedure Visually Inspect Check Change Clean Test Section System Component or Procedure Frequency Fuel Flexible lines and connections Quarterly Main tank supply level Weekly Fuel piping Yearly Lubrication Oil level 8 hours or before use Crankcase breather hose Yearly or 500 hours Change oil.

5.1.2 Service Schedule, 20RESA/RESAL Models Procedure Visually Inspect Check Change Clean Test Section System Component or Procedure Frequency Fuel Flexible lines and connections Quarterly Main tank supply level Weekly Fuel piping Yearly Lubrication Oil level 8 hours or before each use Change oil Yearly or 150 hours Replace filter. 5.2 Lubrication System 5.2.3 Engine Oil Recommendation Use 5W-30 API (American Petroleum Institute) Service See the service schedules in Section 5.1 for oil change Class SG, SH, or SJ synthetic oil. Synthetic oil oxidizes and oil filter replacement intervals.

See the service and thickens less than other oils and leaves the engine views in Section 1.8 for the oil drain, oil check, oil fill, and intake valves and pistons cleaner. Reset the maintenance timer on the controller. Figure 5-3 Oil Cooler Location 5.2.5 Resetting the Maintenance Timer 14/20RESA (RDC2): 1. In the Overview menu, step down to the Next Maintenance screen.

Press the Select button. Press the Up arrow button so that Reset Maint Timer?

Yes is displayed. Reinstall the spark plug into the cylinder head. Torque spark plug 24.4-29.8 Nm (18-22 ft. Lb.) Generator Set Model Spark Plug Gap 14/20RESA/RESAL 0.76 mm (0.030 in.) Figure 5-4 Spark Plug Gap 586536 1.

Cover knob 2. Air cleaner cover 3. Element cover nut 1-514 4. Precleaner Service 7. Replace the element if it is dirty, bent, or damaged. Use the following procedure to wash and oil the 8.

Check the air cleaner base. Make sure it is secure precleaner as indicated in the service schedule. Wash and not bent or damaged. Make sure the element is flat and properly seated. Check that the exhaust outlet is clear. Install the air cleaner cover and secure with the two retaining knobs. When element replacement is necessary, order genuine Kohler parts.

Section 5 Scheduled Maintenance TP-6804 12/11. 5.7 Battery Battery short circuits. Explosion can cause severe injury or death. Short circuits can cause bodily injury and/or equipment damage.

Disconnect the battery before generator set installation or maintenance. Remove all jewelry before WARNING servicing the equipment. Use tools with insulated handles. Remove the negative (-) lead first when disconnecting the battery. 5.8 Storage Procedure 5.8.3 Cylinder Lubrication 1.

Remove the spark plugs. Perform the following storage procedure before removing the generator set from service for three 2. Pour one tablespoon of engine oil into each spark months or longer. Follow the engine manufacturer’s plug hole. Some controller settings can be adjusted using a laptop recommended checks are listed in Figure 2-3. Computer with Kohler SiteTech software. Use a USB cable with a mini-B connector to connect the controller to Identify and correct the cause of the fault condition.

Line circuit breaker tripping because of Reduce the load on the generator set. Line circuit breaker tripping because of short Contact an authorized Kohler distributor/dealer for circuit. Auxiliary winding circuit breaker tripped.

Reset the circuit breaker (located in controller’s service access area). (2 bytes) est. Estimated Canadian Electrical Code KBus Kohler communication protocol E-Stop emergency stop cert. Certificate, certification, certified kilogram etc. Et cetera (and so forth) cubic feet per hour TP-6804 12/11 Appendix 69. kg/cm kilograms per square normally closed remote terminal unit centimeter National Electrical Code room temperature vulcanization kilogram-meter NEMA National Electrical read/write kg/m kilograms per cubic meter Manufacturers Association Society of Automotive kilohertz NFPA National Fire Protection Engineers Association kilojoule scfm standard cubic feet per minute newton meter kilometer. For the nearest sales/service outlet in the US and Canada, phone 1-800-544-2444 KohlerPower.com Kohler Power Systems Asia Pacific Headquarters TP-6804 12/11 7 Jurong Pier Road Singapore 619159 E 2011 by Kohler Co.

All rights reserved. Phone (65) 6264-6422, Fax (65) 6264-6455.