Kohler 14/20RES Operation Manual

Kohler 14/20RES Operation Manual

Residential/commercial generator sets
Table of Contents

Advertisement

Operation
Residential/Commercial Generator Sets
Models:
14/20RES
14/20RESL
Controller:
RDC Residential Digital Control
DC Digital Control
TP-6734 5/10

Advertisement

Table of Contents
loading

Summary of Contents for Kohler 14/20RES

  • Page 1 Operation Residential/Commercial Generator Sets Models: 14/20RES 14/20RESL Controller: RDC Residential Digital Control DC Digital Control TP-6734 5/10...
  • Page 2: Product Identification Information

    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.
  • Page 3: Table Of Contents

    Table of Contents Product Identification Information ............Safety Precautions and Instructions .
  • Page 4 Table of Contents, continued Section 3 Scheduled Maintenance ............Scheduled Maintenance .
  • Page 5: Safety Precautions And Instructions

    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.
  • Page 6 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.
  • Page 7 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...
  • Page 8: Hot Parts

    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. damage. 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...
  • Page 9: Introduction

    Figure 2 Generator Set Literature Information in this publication represents data available Nameplate at the time of print. Kohler Co. 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.
  • Page 10 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...
  • Page 11: Service Assistance

    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.
  • Page 12 Notes Service Assistance TP-6734 5/10...
  • Page 13: Section 1 Descriptions And Service Views

    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).
  • Page 14: Controllers

    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...
  • Page 15: Accessories

    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.
  • Page 16: Service Views For Maintenance

    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.
  • Page 17: Section 2 Operation

    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.
  • Page 18: Controls And Indicators

    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.
  • Page 19: Led Display

    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.
  • Page 20: Led Indicators

    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.
  • Page 21: Generator Set Operation

    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.
  • Page 22: Exercise

    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.
  • Page 23: Exerciser Reset And Disable

    6. 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.
  • Page 24: Power Failure During Test Cycle

    before the generator set engine stops. Section 2.9.4 to reset the controller after a fault generator set goes into Auto mode. shutdown. 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.
  • Page 25 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.
  • Page 26 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.
  • Page 27: Model Rrt Transfer Switch Operation

    2.10 Model RRT Transfer Switch 3. The generator set is signaled to start. Operation 4. 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.
  • Page 28: Engine And Transfer Time Delays

    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.
  • Page 29: Section 3 Scheduled Maintenance

    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.
  • Page 30: Service Schedule, 14Res/Resl Models

    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...
  • Page 31: Service Schedule, 20Res/Resl Models

    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...
  • Page 32: Lubrication System

    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.
  • Page 33: Oil Cooler 20Res/Resl

    3. 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.
  • Page 34: Spark Plugs

    4. 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.
  • Page 35: Air Cleaner, 20Res/Resl Models

    2. 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. 3. Disconnect the battery, negative (--) lead first. 9. Reinstall the paper element, precleaner, element 4.
  • Page 36: Cooling System

    Rotate the latch clockwise, over the molded lip on the element. 6. Install the air cleaner cover and secure with the two retaining knobs. 7. When element replacement is necessary, order genuine Kohler parts. Section 3 Scheduled Maintenance TP-6734 5/10...
  • Page 37: Battery

    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.
  • Page 38: Battery Charger

    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.
  • Page 39: Circuit Protection

    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.
  • Page 40: Storage Procedure

    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.
  • Page 41: Section 4 Troubleshooting

    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. GM62860 1. USB port (for service) 2.
  • Page 42 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.
  • Page 43: Battery Charger Troubleshooting

    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.
  • Page 44 Notes Section 4 Troubleshooting TP-6734 5/10...
  • Page 45: Appendix A Abbreviations

    (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...
  • Page 46 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...
  • Page 48 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...

This manual is also suitable for:

14/20resl

Table of Contents