Kohler 14/20RESA Installation Manual
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Kohler 14/20RESA Installation Manual

Residential/commercial generator sets
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Installation
Residential/Commercial Generator Sets
Models:
14/20RESA
14/20RESAL
Controllers:
RDC2
DC2
TP-6803 12/11

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Summary of Contents for Kohler 14/20RESA

  • Page 1 Installation Residential/Commercial Generator Sets Models: 14/20RESA 14/20RESAL Controllers: RDC2 TP-6803 12/11...

  • 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 Generator Set Identification Numbers Engine Identification Record the product identification numbers from the Record the product identification information from the generator set nameplate(s).

  • Page 3: Table Of Contents

    Table of Contents Product Identification Information ............Safety Precautions and Instructions .
  • Page 4 Notes TP-6803 12/11...

  • 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 WARNING CAUTION WARNING Hazardous voltage. Backfeed to the utility system can cause property damage, severe Hazardous noise. 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,...
  • Page 8 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.

  • Page 9: Introduction

    Operation Manual, OnCue Software TP-6796 Information in this publication represents data available Operation/Installation Manual, at the time of print. Kohler Co. reserves the right to Model RDT Transfer Switch TP-6345 change this publication and the products represented without notice and without any obligation or liability Installation Manual, Model RSB whatsoever.

  • Page 10: 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 11: Section 1 Installation

    Carbon monoxide is an odorless, colorless, tasteless, nonirritating gas that can cause Have the generator set installed by an authorized Kohler death if inhaled for even a short time. Avoid breathing exhaust distributor/dealer or authorized representative. Install fumes when working on or near the generator set.

  • Page 12: Generator Set Inspection

    Approximate generator set weights are shown in Do not install the mounting pad directly on grass, wood, Figure 1-1. Use lifting bars inserted through the holes in or other combustible materials. Clear all combustible the skid to lift the unit. See the dimension drawings on materials, including plants and shrubs, building the following pages for lifting hole locations.
  • Page 13 Figure 1-4 Dimension Drawing ADV-8424, Sheet 1 TP-6803 12/11 Section 1 Installation...
  • Page 14 Figure 1-5 Dimension Drawing ADV-8424, Sheet 2 Section 1 Installation TP-6803 12/11...
  • Page 15 Figure 1-6 Dimension Drawing ADV-8424, Sheet 3 TP-6803 12/11 Section 1 Installation...
  • Page 16 Figure 1-7 Dimension Drawing ADV-8424, Sheet 4 Section 1 Installation TP-6803 12/11...

  • Page 17: Fuel Requirements

    1.6 Fuel Requirements output pressure is as shown in Figure 1-8. Figure 1-10 for fuel consumption. Contact the fuel The generator set operates using natural gas or LP supplier for flow rate information or a gas meter vapor fuel. The generator set is EPA-certified for both upgrade.

  • Page 18: Fuel Conversion

    1.7 Fuel Conversion Disabling the generator set. Accidental starting can cause severe injury or death. Before working on the generator set or connected equipment, disable the generator The multi-fuel system allows conversion from natural set as follows: (1) Move the generator set master switch to the gas to LP vapor (or vice-versa) in the field while OFF position.

  • Page 19: Fuel Conversion, 14Resa/Resal

    1.7.1 Fuel Conversion, 14RESA/RESAL Two fuel connections on the fuel block allow field- conversion between natural gas and LP vapor. The fuel metering valves are factory-set and sealed to comply Natural gas with applicable emission standards and to provide the setup shown best possible hot and cold starting.

  • Page 20: Fuel Conversion, 20Resa/Resal

    1.7.2 Fuel Conversion, 20RESA/RESAL Conversion from LP to Natural Gas To convert from LP vapor to natural gas, remove the fuel For LP vapor fuel, an orifice is used in the fuel line. The orifice and connect the DSAI leads together. unit is typically shipped set up for natural gas, with the loose orifice tied near the fuel solenoid valve.

  • Page 21: Electrical Connections

    1.8 Electrical Connections generator set will operate properly with the neutral either bonded to ground or isolated from ground at the generator. DANGER Various regulations and site configurations including the National Electrical Code (NEC), local codes, and the type of transfer switch used in the application determine the grounding of the neutral at the generator.

  • Page 22: Power Supply

    Route AC leads through flexible conduit. Ensure that the leads and conduit do not interfere with the operation of the generator set or obstruct the service areas. Route low-voltage communication leads through separate conduit. Procedure 1. Drill holes for the conduit fittings. See Figure 1-16 and Appendix B for the recommended electrical inlet locations.

  • Page 23: Transfer Switch Connection

    Model RXT transfer switch. codes. Note: Do not use the Kohlerr Model RRT transfer Engine start connection for other transfer switch with the 14/20RESA or 14/20RESAL switches or a remote start/stop switch: generator set. Connect the engine start leads from the transfer switch...

  • Page 24: System Connections With Accessory Modules

    Generator Set Models RDT or RSB Generator Set Terminal Block TB1. See Figure 1-6 for location. Check the decal on the generator set for terminal block connections. tp6809 1. Engine start leads 3 and 4. See the ATS manual for cable size specifications. Figure 1-20 Engine Start Connections with Transfer Switch Models RDT or RSB 1.8.6 System Connections with...
  • Page 25 Connect one end of each cable shield to GROUND at the generator set. Generator Set Connect shields together RBUS as shown. 12 VDC Generator Set Terminal Block TB1. See Figure 1-6 for location. Check the decal on the generator set for terminal block connections.
  • Page 26 RXT ATS Generator Set NOTES: D See Figure 1-6 for terminal block location on generator set. Check the decal on the generator set for terminal block connections. D See Figure 1-21 for maximum total cable length per run (3 runs with 1 module each shown).
  • Page 27 Generator Set RXT ATS NOTES: See Figure 1-6 for terminal block location on generator set. Check the decal on the generator set for terminal block connections. See Figure 1-21 for maximum total cable length with 12 or 14 AWG wire. See Figure 1-22 for communication connection (A and B, PWR and COM) detail.
  • Page 28 RXT ATS Generator Set A and B A and B A and B NOTES: See Figure 1-6 for terminal block location on generator set. Check the decal on the generator set for terminal block connections. A and B See Figure 1-21 for maximum total cable length with 12 or 14 AWG wire. (1 run with 3 modules shown).

  • Page 29: Connect Optional Programmable Interface Module (Pim)

    1.8.7 Connect Optional Programmable 1.8.8 Connect Optional Load Control Interface Module (PIM) Module (LCM) The optional programmable interface module (PIM) The optional load control module (LCM) provides an provides two programmable inputs and six dry contact automatic load management system to comply with outputs, four of which are programmable.

  • Page 30: Battery

    1.9 Battery Battery gases. Explosion can cause severe injury or death. Battery gases can cause an explosion. Do not smoke or permit flames or sparks to occur near a battery at any time, particularly when it is charging. Do not dispose of a battery in a WARNING fire.

  • Page 31: Generator Set Accessories

    Use the following procedure to install and connect the 1.10.1 Regulator Heater battery. The regulator heater kit is designed for Model 20RESA and 20RESAL generator sets. The regulator heater kit Battery Installation Procedure is recommended in addition to the carburetor heater for reliable engine starting in temperatures below --18_C 1.

  • Page 32: Carburetor Heater

    1.10.2 Carburetor Heater An optional carburetor heater is recommended for improved cold starting in locations where the ambient temperature drops below 0_C (32_F). The carburetor heater prevents condensation and carburetor icing. The heater turns on when the temperature at the thermostat falls below approximately 4_C (40_F) and turns off when the temperature rises above approximately 16_C (60_F).

  • Page 33: Oncue Home Generator Management System

    1.10.3 OnCue Home Generator Connect to the Ethernet cable in the customer connection area of the generator set. See Figure 1-36. Management System Use an RJ45 inline coupler, provided with the OnCue kit, to connect the customer’s Ethernet cable to the cable in The OnCuer Home Generator Management System allows monitoring and control of your generator set from the customer connection box.

  • Page 34: Prestart Installation Check

    1.11 Prestart Installation Check connected), you will be prompted to set the date and time, and then to set the exerciser. Review the entire installation section. Inspect all wiring The first setting will flash. Press the Up and Down arrow and connections to verify that the generator set is ready buttons to change the setting.

  • Page 35: Section 2 Wiring Diagrams

    Section 2 Wiring Diagrams Figure 2-1 lists the wiring diagram numbers and page numbers. Wiring Diagram Description Drawing Number Page Schematic Diagram ADV-8164 Point-to-Point Wiring Diagram GM81217 Figure 2-1 Wiring Diagrams and Schematics TP-6803 12/11 Section 2 Wiring Diagrams...
  • Page 36 Figure 2-2 Schematic Diagram, ADV-8164 Section 2 Wiring Diagrams TP-6803 12/11...
  • Page 37 Figure 2-3 Point-to-Point Wiring Diagram, GM81217 TP-6803 12/11 Section 2 Wiring Diagrams...
  • Page 38 Notes Section 2 Wiring Diagrams TP-6803 12/11...

  • Page 39: 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-6803 12/11 Appendix 39...
  • Page 40 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...

  • Page 41: Appendix B Electrical Lead Entry Template

    Appendix B Electrical Lead Entry Template Use the full-scale drawing in Figure 3 to mark the openings for the electrical conduit, if desired. See Section 1.8.2 for more information. SCALE: FULL Note: Dimensions are in mm. GM78090 Figure 3 Template, Electrical TP-6803 12/11 Appendix 41...
  • Page 42 Notes 42 Appendix TP-6803 12/11...
  • Page 44 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-6803 12/11 7 Jurong Pier Road Singapore 619159 E 2011 by Kohler Co. All rights reserved. Phone (65) 6264-6422, Fax (65) 6264-6455...

This manual is also suitable for:

14/20resalRdc2Dc2

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