Kohler 12RES generator set Installation manual
Below you will find brief information for generator set 12RES. This document provides installation instructions for the Kohler Model 12RES generator. It covers important safety precautions and information about the generator set's features and functionality. You will also find a table of contents outlining the various sections of the manual. By following these instructions carefully, you can ensure proper installation and functionality of your generator set.
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Installation
Residential/Commercial Generator Sets
Model:
12RES
Controller:
Advanced Digital Control ADC-RES
TP-6967 8/15
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.
Kohler strongly recommends that only factory-authorized distributors or dealers install and service the generator.
Product Identification Information
Generator Set Identification Numbers
Record the product identification numbers from the generator set nameplate(s).
Model Designation
Specification Number
Serial Number
Accessory Number Accessory Description
Engine Identification
Record the product identification information from the engine nameplate.
Manufacturer
Model Designation
Serial Number
Controller Identification
Record the controller description from the generator set operation manual, spec sheet, or sales invoice.
Controller Description
Table of Contents
Product Identification Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Precautions and Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
5
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2
Lifting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3
Generator Set Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4
Location and Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4.1
Exhaust Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4.2
Air Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6
Fuel Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6.1
Fuel Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6.2
Fuel Pipe Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7
Fuel Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7.1
Fuel Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.8
Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.8.1
Field Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.8.2
Remote Start Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.8.3
Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.8.4
Battery Charger
1.9
Battery
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.10 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.10.1
Common Fault and Auxiliary Run Relay Board . . . . . . . . . . . . . . . . . . . . .
1.10.2
Carburetor Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.11 Prestart Installation Check
1.12 Startup Notification
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.13 Controller Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.13.1
System Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.13.2
Application Code Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.14 Voltage and Frequency Adjustments
1.14.1
Voltage Adjustment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.14.2
Frequency Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 2 Dimension Drawings and Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix A Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
10
21
21
23
24
24
24
24
25
27
27
28
11
11
11
12
12
12
13
15
15
17
18
19
19
19
20
13
14
14
14
33
39
TP-6967 8/15 Table of Contents 3
Notes
4 TP-6967 8/15
IMPORTANT SAFETY INSTRUCTIONS.
Electromechanical equipment, including generator sets, transfer switches, switchgear, and accessories, can cause bodily harm and pose life-threatening danger when improperly installed, operated, or maintained. To prevent accidents be aware of potential dangers and act safely.
Read and follow all safety precautions and instructions. SAVE
THESE INSTRUCTIONS.
This manual has several types of safety precautions and instructions: Danger,
Warning, Caution, and Notice.
DANGER
Danger indicates the presence of a hazard that will cause severe
personal injury, death, or substantial
property damage.
WARNING
Warning indicates the presence of a hazard that can cause severe
personal injury, death, or substantial
property damage.
CAUTION
Caution indicates the presence of a hazard that will or can cause minor
personal injury or property damage.
NOTICE
Notice communicates installation, operation, or maintenance information that is safety related but not hazard related.
Safety decals affixed to the equipment in prominent places alert the operator or service technician to potential hazards and explain how to act safely.
The decals are shown throughout this publication to improve operator recognition.
Replace missing or damaged decals.
Safety Precautions and Instructions
Accidental Starting
WARNING
WARNING
Accidental starting.
Can cause severe injury or death.
Disconnect the battery cables before working on the generator set.
Remove the negative (--) lead first when disconnecting the battery.
Reconnect the negative (--) lead last when reconnecting the battery.
Disabling the generator set.
Accidental starting can cause severe injury or death.
Before working on the generator set or connected equipment, disable the generator set as follows: (1) Move the generator set master switch to the OFF position. (2) Disconnect the power to the battery charger. (3) Remove the battery cables, negative (--) lead first.
Reconnect the negative (--) lead last when reconnecting the battery. Follow these precautions to prevent starting of the generator set by an automatic transfer switch, remote start/stop switch, or engine start command from a remote computer.
Battery
WARNING
Explosion.
Can cause severe injury or death.
Relays in the battery charger cause arcs or sparks.
Locate the battery in a well-ventilated area. Isolate the battery charger from explosive fumes.
Battery electrolyte is a diluted sulfuric acid. Battery acid can cause
severe injury or death. Battery acid can cause blindness and burn skin.
Always wear splashproof safety goggles, rubber gloves, and boots when servicing the battery. Do not open a sealed battery or mutilate the battery case. If battery acid splashes in the eyes or on the skin, immediately flush the affected area for 15 minutes with large quantities of clean water.
Seek immediate medical aid in the case of eye contact. Never add acid to a battery after placing the battery in service, as this may result in hazardous spattering of battery acid.
Battery acid cleanup. Battery acid can cause severe injury or death.
Battery acid is electrically conductive and corrosive. Add 500 g (1 lb.) of bicarbonate of soda (baking soda) to a container with 4 L (1 gal.) of water and mix the neutralizing solution. Pour the neutralizing solution on the spilled battery acid and continue to add the neutralizing solution to the spilled battery acid until all evidence of a chemical reaction (foaming) has ceased. Flush the resulting liquid with water and dry the area.
Sulfuric acid in batteries.
Can cause severe injury or death.
Wear protective goggles and clothing. Battery acid may cause blindness and burn skin.
TP-6967 8/15 Safety Precautions and Instructions 5
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 fire. To prevent burns and sparks that could cause an explosion, avoid touching the battery terminals with tools or other metal objects.
Remove all jewelry before servicing the equipment. Discharge static electricity from your body before touching batteries by first touching a grounded metal surface away from the battery. To avoid sparks, do not disturb the battery charger connections while the battery is charging. Always turn the battery charger off before disconnecting the battery connections.
Ventilate the compartments containing batteries to prevent accumulation of explosive gases.
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 servicing the equipment. Use tools with insulated handles. Remove the negative (--) lead first when disconnecting the battery. Reconnect the negative (--) lead last when reconnecting the battery.
Never connect the negative (--) battery cable to the positive (+) connection terminal of the starter solenoid. Do not test the battery condition by shorting the terminals together.
Engine Backfire/Flash
Fire
WARNING
Risk of fire.
Can cause severe injury or death.
Do not smoke or permit flames or sparks near fuels or the fuel system.
Servicing the air cleaner. A sudden backfire can cause severe injury or
death. Do not operate the generator set with the air cleaner removed.
Servicing the fuel system. A flash fire can cause severe injury or death.
Do not smoke or permit flames or sparks near the carburetor, fuel line, fuel filter, fuel pump, or other potential sources of spilled fuels or fuel vapors.
Catch fuels in an approved container when removing the fuel line or carburetor.
Combustible materials. A fire can cause severe injury or death.
Generator set engine fuels and fuel vapors are flammable and explosive.
Handle these materials carefully to minimize the risk of fire or explosion.
Equip the compartment or nearby area with a fully charged fire extinguisher.
Select a fire extinguisher rated ABC or
BC for electrical fires or as recommended by the local fire code or an authorized agency.
Train all personnel on fire extinguisher operation and fire prevention procedures.
Exhaust System
WARNING
Carbon monoxide.
Can cause severe nausea, fainting, or death.
The exhaust system must be leakproof and routinely inspected.
Generator set operation. Carbon monoxide can cause severe nausea,
fainting, or death. Carbon monoxide is an odorless, colorless, tasteless, nonirritating gas that can cause death if inhaled for even a short time. Avoid breathing exhaust fumes when working on or near the generator set. Never operate the generator set inside a building. Never operate the generator set where exhaust gas could seep inside or be drawn into a potentially occupied building through windows, air intake vents, or other openings.
Carbon monoxide detectors.
Carbon monoxide can cause severe
nausea, fainting, or death. Install carbon monoxide detectors on each level of any building adjacent to the generator set. Locate the detectors to adequately warn the building’s occupants of the presence of carbon monoxide.
Keep the detectors operational at all times. Periodically test and replace the carbon monoxide detectors according manufacturer’s instructions.
to the
Carbon monoxide symptoms.
Carbon monoxide can cause severe
nausea, fainting, or death. Carbon monoxide is a poisonous gas present in exhaust gases. Carbon monoxide is an odorless, colorless, tasteless, nonirritating gas that can cause death if inhaled for even a short time. Carbon monoxide poisoning symptoms include but are not limited to the following:
D
Light-headedness, dizziness
D
Physical fatigue, weakness in joints and muscles
D
Sleepiness, mental fatigue, inability to concentrate or speak clearly, blurred vision
D
Stomachache, vomiting, nausea
If experiencing any of these symptoms and carbon monoxide poisoning is possible, seek fresh air immediately and remain active. Do not sit, lie down, or fall asleep.
Alert others to the possibility of carbon monoxide poisoning. Seek medical attention if the condition of affected persons does not improve within minutes of breathing fresh air.
6 Safety Precautions and Instructions TP-6967 8/15
Fuel System
WARNING
Hazardous Noise
CAUTION
WARNING
Explosive fuel vapors.
Can cause severe injury or death.
Use extreme care when handling, storing, and using fuels.
The fuel system.
Explosive fuel vapors can cause severe injury or death.
Vaporized fuels are highly explosive. Use extreme care when handling and storing fuels. Store fuels in a well-ventilated area away from spark-producing equipment and out of the reach of children. Never add fuel to the tank while the engine is running because spilled fuel may ignite on contact with hot parts or from sparks.
Do not smoke or permit flames or sparks to occur near sources of spilled fuel or fuel vapors. Keep the fuel lines and connections tight and in good condition. Do not replace flexible fuel lines with rigid lines.
Use flexible sections to avoid fuel line breakage caused by vibration. Do not operate the generator set in the presence of fuel leaks, fuel accumulation, or sparks.
Repair fuel systems before resuming generator set operation.
Gas fuel leaks.
Explosive fuel vapors can cause severe injury or
death. Fuel leakage can cause an explosion. Check the LPG vapor or natural gas fuel system for leakage by using a soap and water solution with the fuel system test pressurized to
6--8 ounces per square inch
(10--14 inches water column). Do not use a soap solution containing either ammonia or chlorine because both prevent bubble formation. A successful test depends on the ability of the solution to bubble.
Hazardous noise.
Can cause hearing loss.
Never operate the generator set without a muffler or with a faulty exhaust system.
Engine noise. Hazardous noise can
cause hearing loss. Generator sets not equipped with sound enclosures can produce noise levels greater than
105 dBA. Prolonged exposure to noise levels greater than 85 dBA can cause permanent hearing loss. Wear hearing protection when near an operating generator set.
Hazardous Voltage/
Moving Parts
DANGER
Hazardous voltage.
Will cause severe injury or death.
This equipment must be installed and serviced by qualified electrical personnel.
WARNING
Hazardous voltage.
Moving parts.
Can cause severe injury or death.
Operate the generator set only when all guards and electrical enclosures are in place.
Hazardous voltage.
Backfeed to the utility system can cause property damage, severe injury, or death.
If the generator set is used for standby power, install an automatic transfer switch to prevent inadvertent interconnection of standby and normal sources of supply.
CAUTION
Welding the generator set.
Can cause severe electrical equipment damage.
Never weld components of the generator set without first disconnecting the battery, controller wiring harness, and engine electronic control module (ECM).
Grounding electrical equipment.
Hazardous voltage can cause
severe injury or death. Electrocution is possible whenever electricity is present. Ensure you comply with all applicable codes and standards.
Electrically ground the generator set, transfer switch, and related equipment and electrical circuits. Turn off the main circuit breakers of all power sources before servicing the equipment. Never contact electrical leads or appliances when standing in water or on wet ground because these conditions increase the risk of electrocution.
TP-6967 8/15 Safety Precautions and Instructions 7
Welding on the generator set. Can cause severe electrical equipment damage.
Before welding on the generator set perform the following steps: (1) Remove the battery cables, negative (--) lead first. (2) Disconnect all engine electronic control module
(ECM) connectors. (3) Disconnect all generator set controller and voltage regulator circuit board connectors.
(4) Disconnect the engine batterycharging alternator connections.
(5) Attach the weld ground connection close to the weld location.
Connecting the battery and the battery charger. Hazardous voltage can cause severe injury or death.
Reconnect the battery correctly, positive to positive and negative to negative, to avoid electrical shock and damage to the battery charger and battery(ies).
Have a qualified electrician install the battery(ies).
Short circuits.
Hazardous voltage/current can cause severe
injury or death. Short circuits can cause bodily injury and/or equipment damage. Do not contact electrical connections with tools or jewelry while making adjustments or repairs.
Remove all jewelry before servicing the equipment.
Electrical backfeed to the utility.
Hazardous backfeed voltage can
cause severe injury or death. Install a transfer switch in standby power installations to prevent the connection of standby and other sources of power.
Electrical backfeed into a utility electrical system can cause severe injury or death to utility personnel working on power lines.
WARNING
Heavy Equipment
Unbalanced weight.
Improper lifting can cause severe injury or death and equipment damage.
Do not use lifting eyes.
Lift the generator set using lifting bars inserted through the lifting holes on the skid.
Hot Parts
WARNING
WARNING
Hot engine and exhaust system.
Can cause severe injury or death.
Do not work on the generator set until it cools.
Servicing the exhaust system. Hot parts can cause severe injury or
death. Do not touch hot engine parts.
The engine and exhaust system components become extremely hot during operation.
Servicing the engine heater. Hot parts can cause minor personal
injury or property damage. Install the heater before connecting it to power.
Operating the heater before installation can cause burns and component damage.
Disconnect power to the heater and allow it to cool before servicing the heater or nearby parts.
Airborne particles.
Can cause severe injury or blindness.
Wear protective goggles and clothing when using power tools, hand tools, or compressed air.
Notice
NOTICE
Canadian installations only.
For standby service connect the output of the generator set to a suitably rated transfer switch in accordance with
Canadian Electrical Code, Part 1.
8 Safety Precautions and Instructions TP-6967 8/15
This manual provides installation instructions for the
Model 12RES generator set.
Kohler strongly recommends that only factoryauthorized distributors or dealers install and service the generator.
Have an authorized distributor/dealer install the generator set outdoors according to the instructions in this manual. The generator set installation must comply with the National Electrical Code r
(NEC) and local code requirements. Do not install this generator set indoors.
Information in this publication represents data available at the time of print. Kohler Co. reserves the right to change this publication and the products represented without notice and without any obligation or liability whatsoever.
Read this manual and carefully follow all procedures and safety precautions to ensure proper equipment operation and to avoid bodily injury. Read and follow the
Safety Precautions and Instructions section at the beginning of this manual.
The generator set is shown in Figure 1. See the dimension drawing in Section 2 for generator set component locations.
Introduction
List of Related Literature
Figure 2 identifies related literature available for the generator sets covered in this manual. Only trained and qualified personnel should install or service the generator set.
Literature Type
Specification Sheet, 12RES
Operation Manual, Generator Set
Service Manual, Generator Set
Service Manual, Engine
Parts Catalog
Operation Manual, OnCuer for ADC
Figure 2 Related Literature
Part Number
G4-248
TP-6515
TP-6196
24 690 06
TP-5868
TP-6616
Startup Notification
Complete the startup and installation checklists supplied with the startup notification form. Complete and sign the startup notification form and register the unit using the Kohler online Warranty Processing
System.
Figure 1 Model 12RES Generator Set
National Electrical Code is a registered trademark of the National Fire
Protection Association, Inc.
TP-6967 8/15 9
For professional advice on generator set power requirements and conscientious service, please contact your nearest Kohler distributor or dealer.
D
Consult the Yellow Pages under the heading
Generators—Electric.
D
Visit the Kohler Power Systems website at
KOHLERPower.com.
D
Look at the labels and decals on your Kohler product or review the appropriate literature or documents included with the product.
D
Call toll free in the US and Canada 1-800-544-2444.
D
Outside the US and Canada, call the nearest regional office.
Headquarters Europe, Middle East, Africa
(EMEA)
Kohler Power Systems Netherlands B.V.
Kristallaan 1
4761 ZC Zevenbergen
The Netherlands
Phone: (31) 168 331630
Fax: (31) 168 331631
Asia Pacific
Power Systems Asia Pacific Regional Office
Singapore, Republic of Singapore
Phone: (65) 6264-6422
Fax: (65) 6264-6455
Service Assistance
China
North China Regional Office, Beijing
Phone: (86) 10 6518 7950
(86) 10 6518 7951
(86) 10 6518 7952
Fax: (86) 10 6518 7955
East China Regional Office, Shanghai
Phone: (86) 21 6288 0500
Fax: (86) 21 6288 0550
India, Bangladesh, Sri Lanka
India Regional Office
Bangalore, India
Phone: (91) 80 3366208
(91) 80 3366231
Fax: (91) 80 3315972
Japan, Korea
North Asia Regional Office
Tokyo, Japan
Phone: (813) 3440-4515
Fax: (813) 3440-2727
Latin America
Latin America Regional Office
Lakeland, Florida, USA
Phone: (863) 619-7568
Fax: (863) 701-7131
10 TP-6967 8/15
1.1 Introduction
DANGER
Hazardous voltage.
Will cause severe injury or death.
This equipment must be installed and serviced by qualified electrical personnel.
WARNING
Section 1 Installation
Note: DO NOT install these generator sets inside a building.
Note: Install carbon monoxide (CO) detector(s) on each level of any building adjacent to a generator set. Locate the detectors to adequately warn the building’s occupants of the presence of carbon monoxide.
Obtain a building permit and contact your local utility companies to mark the locations of underground pipes and cables.
Read and follow the safety precautions in this manual and observe the decals on the equipment. Refer to the diagrams and drawings in this manual for dimensions and electrical connections during the installation procedure. Read the entire installation procedure and obtain the accessories and tools needed before beginning installation. Perform the steps in the order shown.
To install optional accessories, follow the instructions provided with each kit.
1.2 Lifting
WARNING
Carbon monoxide.
Can cause severe nausea, fainting, or death.
The exhaust system must be leakproof and routinely inspected.
Generator set operation. Carbon monoxide can cause
severe nausea, fainting, or death. Carbon monoxide is an odorless, colorless, tasteless, nonirritating gas that can cause death if inhaled for even a short time. Avoid breathing exhaust fumes when working on or near the generator set. Never operate the generator set inside a building. Never operate the generator set where exhaust gas could seep inside or be drawn into a potentially occupied building through windows, air intake vents, or other openings.
Carbon monoxide detectors.
Carbon monoxide can
cause severe nausea, fainting, or death. Install carbon monoxide detectors on each level of any building adjacent to the generator set. Locate the detectors to adequately warn the building’s occupants of the presence of carbon monoxide.
Keep the detectors operational at all times. Periodically test and replace the carbon monoxide detectors according to the manufacturer’s instructions.
Have the generator set installed by an authorized Kohler distributor/dealer. For all locations, ensure that the installation complies with applicable national and local codes. In the United States, the installation must comply with the National Electrical Code (NEC) and all applicable state and local codes.
For Canadian installations, refer to the Canadian Electrical Code
(CEC).
The generator set must be installed outdoors. The exhaust systems on enclosed units are designed for outdoor installation only.
TP-6967 8/15
Unbalanced weight.
Improper lifting can cause severe injury or death and equipment damage.
Do not use lifting eyes.
Lift the generator set using lifting bars inserted through the lifting holes on the skid.
Model
12RES
Figure 1-1 Approximate Weight
Weight, kg (lb.)
186 (410)
The approximate generator set weight is shown in
Figure 1-1. Use lifting bars inserted through the holes in the skid to lift the unit. See the dimension drawings in
Section 2 for lifting hole locations.
Section 1 Installation 11
1.3 Generator Set Inspection
Complete a thorough inspection of the generator set.
Check for the following:
1. Inspect the generator set for loose or damaged parts or wires. Repair or tighten any loose parts before installation.
2. Check the engine oil. Fill, if necessary, with the recommended viscosity and grade of oil. Use synthetic oil, API (American Petroleum Institute)
Service Class SG or higher.
See TP-6515,
Operation Manual, for additional information.
1.4 Location and Mounting
Install the generator set outdoors near the incoming gas service. The generator set location must allow easy access for maintenance and service. The required distance from a structure is dependent on state or province and local codes. See the dimension drawing in
Section 2 for the minimum clearance from structures and non-combustible materials.
Locate the generator set so that the hot exhaust does not blow on plants or other combustible materials. No plants, shrubs, or other combustible materials are allowed within 1.2 m (4 ft.) of the exhaust end of the generator set.
Do not install the generator set where exhaust gas could accumulate and seep inside or be drawn into a potentially occupied building. Furnace and other similar intakes must be at least 3 m (10 ft.) from the exhaust end of the generator set.
Notice
DO NOT locate the generator set near patios, decks, play areas, or animal shelters. Keep items such as lawn furniture, toys, sports equipment, and all combustible materials away from the generator set exhaust outlet.
Remind family members, children, and visitors to use caution near the generator set. Generator sets connected to automatic transfer switches start automatically during exercise periods and power outages. Some generator set components become hot when the generator set is running and remain hot for a time after the generator set shuts down.
The generator set is shipped on a plastic mounting pad.
Prepare a flat, level mounting area covered with a weed barrier and gravel or a concrete pad as shown in the generator set clearance drawing.
Set the plastic mounting pad directly on the gravel or concrete. Do not install the mounting pad directly on grass.
See the dimension drawings in Section 2 for special mounting instructions for high wind (150 MPH) areas.
1.4.1
Exhaust Requirements
WARNING
Carbon monoxide.
Can cause severe nausea, fainting, or death.
The exhaust system must be leakproof and routinely inspected.
Generator set operation. Carbon monoxide can cause
severe nausea, fainting, or death. Carbon monoxide is an odorless, colorless, tasteless, nonirritating gas that can cause death if inhaled for even a short time. Avoid breathing exhaust fumes when working on or near the generator set. Never operate the generator set inside a building. Never operate the generator set where exhaust gas could seep inside or be drawn into a potentially occupied building through windows, air intake vents, or other openings.
The exhaust system is designed for generator sets installed outdoors. Do not install this generator set indoors.
Figure 1-2 gives the exhaust flow and temperature at rated load.
The engine exhaust mixes with the generator set cooling air at the exhaust end of the enclosure. Mount the generator set so that the hot exhaust does not blow on plants or other combustible materials.
Maintain the clearances shown in the dimension drawings in Section 2.
Exhaust System
Exhaust flow at rated kW, m
3
/min. (cfm)
60 Hz 50 Hz
3.8 (135) 3.2 (113)
Exhaust gas exiting the enclosure at rated kW, _C (_F)
216 (420)
Figure 1-2 Exhaust Flow and Temperature
12 Section 1 Installation TP-6967 8/15
1.4.2
Air Requirements
The generator set requires correct air flow for cooling and combustion. The inlet and outlet openings in the sound enclosure provide the cooling and combustion air. Figure 1-3 shows the locations of the cooling air intake and exhaust vents. Inspect the air inlet and outlet openings inside and outside the housing to ensure that the air flow is not blocked.
1
3
3
2
1. Exhaust outlet
2. Alternator air intake (both sides)
3. Engine air intake tp6195
Figure 1-3 Cooling Air Intake and Exhaust, Typical
Air Requirements, m
3
/min. (cfm)
Model
12RES
Hz
Cooling
Air
Combustion
Air
Total
Inlet Air
60 26.9 (950) 1.1 (39.2) 28.0 (990)
50 22.4 (790) 0.9 (32.6) 23.4 (825)
Figure 1-4 Air Requirements
1.5 Power Supply
Power must be supplied from a source that is GFCI protected to the generator set location for the battery charger and the optional accessories shown in
Figure 1-5.
Connect power from a circuit on the essential loads panel to the utility power connection points on the terminal block. The circuit must be backed up by the generator set. See Section 1.8 and the wiring diagrams in Section 2 for connection details. See Figure 1-5 for the power requirements for the battery charger and accessories.
Equipment
Battery charger (standard)
Carburetor heater (optional)
Battery heater (optional)
Power Requirement, Max.
Watts Amps Volts
192 1.6
37
110
0.33
0.92
120
Figure 1-5 Power Requirements
1.6 Fuel Requirements
The generator set operates using natural gas or LPG fuel. The generator set is EPA-certified for both natural gas and LPG fuels.
The fuel system installation must comply with applicable national, state, and local codes.
WARNING
Explosive fuel vapors.
Can cause severe injury or death.
Use extreme care when handling, storing, and using fuels.
Gas fuel leaks. Explosive fuel vapors can cause severe
injury or death. Fuel leakage can cause an explosion. Check the LPG vapor or natural gas fuel system for leakage by using a soap and water solution with the fuel system test pressurized to 6--8 ounces per square inch (10--14 inches water column).
Do not use a soap solution containing either ammonia or chlorine because both prevent bubble formation. A successful test depends on the ability of the solution to bubble.
TP-6967 8/15 Section 1 Installation 13
The fuel system. Explosive fuel vapors can cause severe
injury or death. Vaporized fuels are highly explosive. Use extreme care when handling and storing fuels. Store fuels in a well-ventilated area away from spark-producing equipment and out of the reach of children. Never add fuel to the tank while the engine is running because spilled fuel may ignite on contact with hot parts or from sparks. Do not smoke or permit flames or sparks to occur near sources of spilled fuel or fuel vapors. Keep the fuel lines and connections tight and in good condition. Do not replace flexible fuel lines with rigid lines. Use flexible sections to avoid fuel line breakage caused by vibration. Do not operate the generator set in the presence of fuel leaks, fuel accumulation, or sparks. Repair fuel systems before resuming generator set operation.
1.6.1
Fuel Supply
Because of variable climates and geographical considerations, contact the local fuel supplier for fuel system planning and installation. Figure 1-6 lists the recommended fuel ratings and other fuel supply information for natural gas and LPG fuels.
Fuel Type
Fuel supply inlet
Fuel supply pressure, kPa (in. H
2
O)
Fuel flow rate, Btu/hr.
Nominal Fuel Rating,
Btu/ft.
3
Figure 1-6 Fuel Supply
Natural Gas
1/2 NPT
0.9--2.7
(3.5--11)
193000
1000
LPG
1/2 NPT
1.7--2.7
(7--11)
203000
2500
Verify that the output pressure from the primary gas utility (or LPG tank) pressure regulator meets the specifications in Figure 1-6 and that the utility gas meter flow rate is sufficient to supply the generator set at rated load plus all other gas-consuming appliances. See
Figure 1-7 for fuel consumption. Contact the fuel supplier for flow rate information or a gas meter upgrade.
The dimension drawings in Section 2 show the location of the fuel inlet connection. Use flexible sections to prevent fuel line breakage caused by vibration. Hold the fuel solenoid valve with a wrench when tightening the fuel connections. Protect all fuel lines from machinery or equipment contact, adverse weather conditions, and environmental damage.
Fuel Consumption, at % load, m
3
/hr. (cfh)
Natural Gas, m
3
/hr. (cfh)
100%
75%
50%
25%
LPG, m
3
/hr. (cfh)
100%
75%
50%
25%
LPG conversion factors:
8.58 ft.
3
= 1 lb.
0.535 m
3
= 1 kg
36.39 ft.
3
= 1 gal.
60 Hz
5.4 (193)
4.7 (163)
3.5 (124)
2.6 (93)
2.3 (81)
2.1 (75)
1.8 (60)
1.2 (45)
Nominal fuel rating:
Natural gas: 37 MJ/m
3
(1000 Btu/ft.
3
)
LPG: 93 MJ/m
3
(2500 Btu/ft.
3
)
Figure 1-7 Fuel Consumption
50 Hz
4.8 (173)
4.2 (148)
3.1 (108)
2.4 (84)
2.1 (74)
1.9 (68)
1.5 (53)
1.1 (40)
1.6.2
Fuel Pipe Size
Ensure that the natural gas pipe size and length meet the specifications in Figure 1-8. Measure the pipe length from the primary gas pressure regulator to the pipe connection on the generator set fuel inlet. Add
2.4 m (8 ft.) to the measured length for each 90 degree elbow. Compare the total pipe length with the chart in
Figure 1-8 to find the required pipe size.
Contact the local LPG provider for LPG installation information.
Minimum Gas Pipe Size Recommendation, in. NPT
Pipe Length, m (ft.)
8 m (25 ft.)
Natural Gas
(193,000 Btu/hr.)
3/4
LPG
(203,000 Btu/hr.)
3/4
15 m (50 ft.)
30 m (100 ft.)
46 m (150 ft.)
61 m (200 ft.)
1
1
1 1/4
1 1/4
3/4
1
1
1
Figure 1-8 Fuel Pipe Size
14 Section 1 Installation TP-6967 8/15
1.7 Fuel Conversion
The multi-fuel system allows conversion from natural gas to LPG (or vice-versa) in the field while maintaining emissions-standard compliance. A Kohler authorized distributor/dealer can convert the fuel system.
Rating Change
Converting the fuel will change the generator set rating.
See the generator set specification sheet for ratings with natural gas and LP. Order a new nameplate with the updated rating and fuel information from a Kohler authorized distributor/dealer, if necessary. Provide the following information from the original nameplate:
D
Model Number
D
Spec Number
D
Serial Number
D
Fuel (original and new)
D kW
D kVA
D
Amps
D
Volts
D
Hz
Attach the new nameplate over the old one. Do NOT cover the UL listing information on the old nameplate.
WARNING
Explosive fuel vapors.
Can cause severe injury or death.
Use extreme care when handling, storing, and using fuels.
1.7.1
Fuel Conversion
For natural gas and LPG fuel, orifice fittings are used in the fuel line. See Figure 1-9. The natural gas orifice fitting is silver in color and stamped NG. The LPG fitting is gold in color and stamped LPG. The fittings are threaded. A straight-blade screwdriver is required to remove and replace the fittings.
NG
WARNING
LPG
Accidental starting.
Can cause severe injury or death.
Disconnect the battery cables before working on the generator set.
Remove the negative (--) lead first when disconnecting the battery.
Reconnect the negative (--) lead last when reconnecting the battery.
Disabling the generator set. Accidental starting can
cause severe injury or death. Before working on the generator set or connected equipment, disable the generator set as follows: (1) Move the generator set master switch to the
OFF position. (2) Disconnect the power to the battery charger.
(3) Remove the battery cables, negative (--) lead first.
Reconnect the negative (--) lead last when reconnecting the battery. Follow these precautions to prevent starting of the generator set by an automatic transfer switch, remote start/stop switch, or engine start command from a remote computer.
Figure 1-9 NG and LPG Fuel Orifice Fittings
The unit is typically shipped set up for natural gas, with the LPG fitting tied to the fuel regulator. To convert to
LPG, remove the NG fitting and install the LPG fitting as described below. See Figure 1-10 for the fuel system component locations.
Procedure to Convert from NG to LPG
1. Place the generator set master switch in the
OFF/RESET position.
2. Disconnect the utility power to the generator.
3. Disconnect the generator set engine starting battery, negative (--) lead first.
4. Turn off and disconnect the fuel supply.
TP-6967 8/15 Section 1 Installation 15
5. Remove the hose clamp and fuel hose from the hose fitting. See Figure 1-10.
6. Use a straight-blade screwdriver to remove the NG orifice from the hose fitting. See Figure 1-11.
7. Insert the LPG orifice into the hose fitting. Use a straight-blade screwdriver to tighten the fitting until it is snug.
8. Slide the hose onto the hose fitting and secure it with the clamp.
9. Disconnect ignition timing leads 65 and N5 for
LPG. The ignition timing leads are located near the fuel solenoid valve. See Figure 1-10.
Note: Do not disconnect the leads to the fuel solenoid valve.
2
1
3
10. Connect and turn on the new fuel supply.
11. Reconnect the generator set engine starting battery leads, negative (--) lead last.
12. Reconnect the utility power to the generator.
13. Start the generator set by moving the master switch to the RUN position.
14. Check for leaks using a gas leak detector.
15. Run the generator set and check the operation.
16. Move the generator set master switch to the
OFF/RESET position to shut down the generator set.
Conversion from LPG to Natural Gas
To convert from LPG to natural gas, repeat the steps above, removing the LPG fuel orifice and installing the
NG fitting. Connect ignition timing leads 65 and N5 together for natural gas.
3
1
2
1. Fuel orifice fitting
2. Hose fitting
3. Orifice tied to regulator for shipping
Figure 1-11 Fuel Orifice Fitting Installation
GM29253
Ignition Timing Lead Connection
1. LPG fitting tied to regulator for shipping
2. Fuel hose and clamp
3. Ignition timing lead location (leads not shown)
Figure 1-10 Fuel System, As Shipped
16 Section 1 Installation TP-6967 8/15
1.8 Electrical Connections
WARNING
Hazardous voltage.
Backfeed to the utility system can cause property damage, severe injury, or death.
If the generator set is used for standby power, install an automatic transfer switch to prevent inadvertent interconnection of standby and normal sources of supply.
Grounding electrical equipment. Hazardous voltage can
cause severe injury or death. Electrocution is possible whenever electricity is present. Ensure you comply with all applicable codes and standards. Electrically ground the generator set, transfer switch, and related equipment and electrical circuits. Turn off the main circuit breakers of all power sources before servicing the equipment. Never contact electrical leads or appliances when standing in water or on wet ground because these conditions increase the risk of electrocution.
Electrical backfeed to the utility. Hazardous backfeed
voltage can cause severe injury or death. Install a transfer switch in standby power installations to prevent the connection of standby and other sources of power. Electrical backfeed into a utility electrical system can cause severe injury or death to utility personnel working on power lines.
NOTICE
Canadian installations only. For standby service connect the output of the generator set to a suitably rated transfer switch in accordance with Canadian Electrical Code, Part 1.
Have a Kohler authorized distributor/dealer or a licensed electrician make the following electrical connections. The electrical installation must comply with the National Electrical Code (NEC) and all applicable local codes. Canadian installations must comply with the Canadian Electrical Code (CEC) and applicable local codes.
Ground the generator set according to applicable codes. See Section 1.8.3.
For customer-supplied wiring, select the wire temperature rating in Figure 1-12 based upon the following criteria:
D
D
Select row 1, 2, 3, or 4 if the circuit rating is
110 amperes or less or requires #1 AWG (42.4 mm
2
) or smaller conductors.
Select row 3 or 4 if the circuit rating is greater than
110 amperes or requires #1 AWG (42.4 mm
2
) or larger conductors.
Row Temp. Rating Copper (Cu) Only
1 60_C (140_F) or
75_C (167_F)
Use No. * AWG, 60_C wire or use No. * AWG, 75_C wire
2
3
4
60_C (140_F)
75_C (167_F)
90_C (194_F)
Use No. * AWG, 60_C wire
Use No. *[ AWG, 75_C wire
Use No. *[ AWG, 90_C wire
Cu/Aluminum (Al) Combinations
Use 60_C wire, either No. * AWG Cu, or No. *
AWG Al or use 75_C wire, either No. * AWG
Cu or No. * AWG Al
Use 60_C wire, either No. * AWG Cu or No. *
AWG Al
Use 75_C wire, either No. *[ AWG Cu or No.
*[ AWG Al
Use 90_C wire, either No. *[ AWG Cu or No.
*[ AWG Al
Al Only
Use 60_C wire, No. * AWG or use 75_C wire, No. * AWG
Use 60_C wire, No. * AWG
Use 75_C wire, No.*[ AWG
Use 90_C wire, No.*[ AWG
* The wire size for 60_C (140_F) wire is not required to be included in the marking. If included, the wire size is based on ampacities for the wire given in Table 310-16 of the National Electrical Coder, in ANSI/NFPA 70, and on 115% of the maximum current that the circuit carries under rated conditions. The National Electrical Coder is a registered trademark of the National Fire Protection Association, Inc.
[
Use the larger of the following conductors: the same size conductor as that used for the temperature test or one selected using the guidelines in the preceding footnote.
Figure 1-12 Terminal Markings for Various Temperature Ratings and Conductors
TP-6967 8/15 Section 1 Installation 17
1.8.1
Field Connections
The generator set is equipped with a field-connection terminal block located below the fuel inlet. Leads have been factory-installed from the junction box to the terminal block for easy field wiring. Refer to the decal near the terminal block for connections. Also see
Section 2, Wiring Diagrams.
Refer to the decal below the terminal block and the transfer switch specifications for the cable size range for each connection. Route leads through flexible conduit.
Use separate conduit for AC wiring and low-voltage engine start leads. Ensure that the leads and conduit do not interfere with the operation of the generator set or obstruct the service areas.
Field Connections to the Terminal Block
1. Remove the cover from the electrical connection access area. See Figure 1-13.
2. Drill holes for conduit fittings: a. See Figure 1-13 for the electrical inlet location.
Remove the cover from the electrical inlet area.
b. Drill holes in the cover for the conduit fittings and replace the cover. Use separate conduit for AC wiring and low-voltage engine start leads.
c. Feed the cables through the openings.
3. See Figure 1-14. Connect the leads from the transfer switch emergency source lugs to the L1 and L2 connections on the generator set terminal block.
4. Connect the neutral (L0) and ground (GRD) leads from the ATS and the main panel to the corresponding connection points on the terminal block. See Section 1.8.3, Grounding.
5. Connect 120 VAC utility power to the terminals marked Utility Power. Power to this circuit must be backed-up by the generator set. See Section 1.5
for more information about the utility power requirement.
6. Connect the engine start leads from the automatic transfer switch or remote start switch to terminals 3 and 4 on the terminal block. See Section 1.8.2.
7. Replace the cover over the electrical connection access area. See Figure 1-13.
Note: Sample decal shown. See the decal on the generator set for wire gauge.
GM58022
GM54820
Figure 1-14 Field-Connection Terminal Block, typical
Figure 1-13 Electrical Connection Area
ADV-8024
18 Section 1 Installation TP-6967 8/15
1.8.2
Remote Start Connection
Connect terminals 3 and 4 to the automatic transfer switch’s engine start terminals or to an optional remote start/stop switch. Route the engine start leads through separate conduit from the AC power and load leads.
1.8.3
Grounding
Ground the generator set. The grounding method must comply with NEC and local codes.
Connect the grounding cable to the generator set ground lug, terminal GND inside the controller compartment.
Generator sets are shipped with the generator neutral bonded (connected) to the generator ground in the junction box. The requirement for having a bonded
(grounded) or ungrounded neutral is determined by the type of installation. At installation, the neutral can be grounded at the generator set or lifted from the ground stud and isolated if the installation requires an ungrounded neutral connection at the generator. The generator set will operate properly with the neutral either bonded to ground or isolated from ground at the generator.
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. NEC
Section 250 is one example that has a very good explanation of the neutral grounding requirements for generators.
1.8.4
Battery Charger
A battery charger is factory-installed in the battery compartment to keep the starting battery fully charged.
The battery charger’s DC leads are factory-connected to the battery. Supply power to the generator set for the battery charger and carburetor heater as described in
Sections 1.5 and 1.8.1.
Plug the battery charger’s power cord into the receptacle on the bottom of the controller junction box.
Refer to the generator set operation manual for battery charger operation information.
1.9 Battery
WARNING
Sulfuric acid in batteries.
Can cause severe injury or death.
Wear protective goggles and clothing. Battery acid may cause blindness and burn skin.
WARNING
Explosion.
Can cause severe injury or death.
Relays in the battery charger cause arcs or sparks.
Locate the battery in a well-ventilated area. Isolate the battery charger from explosive fumes.
Battery electrolyte is a diluted sulfuric acid. Battery acid
can cause severe injury or death. Battery acid can cause blindness and burn skin. Always wear splashproof safety goggles, rubber gloves, and boots when servicing the battery.
Do not open a sealed battery or mutilate the battery case. If battery acid splashes in the eyes or on the skin, immediately flush the affected area for 15 minutes with large quantities of clean water. Seek immediate medical aid in the case of eye contact. Never add acid to a battery after placing the battery in service, as this may result in hazardous spattering of battery acid.
Battery acid cleanup. Battery acid can cause severe
injury or death. Battery acid is electrically conductive and corrosive. Add 500 g (1 lb.) of bicarbonate of soda (baking soda) to a container with 4 L (1 gal.) of water and mix the neutralizing solution. Pour the neutralizing solution on the spilled battery acid and continue to add the neutralizing solution to the spilled battery acid until all evidence of a chemical reaction (foaming) has ceased. Flush the resulting liquid with water and dry the area.
TP-6967 8/15 Section 1 Installation 19
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 fire. To prevent burns and sparks that could cause an explosion, avoid touching the battery terminals with tools or other metal objects. Remove all jewelry before servicing the equipment. Discharge static electricity from your body before touching batteries by first touching a grounded metal surface away from the battery. To avoid sparks, do not disturb the battery charger connections while the battery is charging.
Always turn the battery charger off before disconnecting the battery connections. Ventilate the compartments containing batteries to prevent accumulation of explosive gases.
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 servicing the equipment. Use tools with insulated handles.
Remove the negative (--) lead first when disconnecting the battery.
Reconnect the negative (--) lead last when reconnecting the battery. Never connect the negative (--) battery cable to the positive (+) connection terminal of the starter solenoid. Do not test the battery condition by shorting the terminals together.
DANGER
connection to the battery. Use the following procedure to install and connect the battery.
Battery Installation Procedure
1. Ensure that the starting battery is fully charged before placing the battery in service.
2. Clean the battery posts and/or adapters if necessary.
3. Install the battery post adapters, if needed.
4. Place the battery in the housing.
5. Verify that the controller master switch is in the OFF position.
6. Connect the positive (+) lead to the engine starting battery.
7. Connect the negative (--) lead to the engine starting battery.
Refer to the generator set operation manual and the battery manufacturer’s instructions for battery maintenance instructions.
1
2
Hazardous voltage.
Will cause severe injury or death.
This equipment must be installed and serviced by qualified electrical personnel.
Connecting the battery and the battery charger.
Hazardous voltage can cause severe injury or death.
Reconnect the battery correctly, positive to positive and negative to negative, to avoid electrical shock and damage to the battery charger and battery(ies).
Have a qualified electrician install the battery(ies).
Use a 12-volt group 26 battery with a minimum rating of
500 cold cranking amps at 0_F. The generator set uses a negative ground with a 12-volt engine electrical system. See Figure 1-15 for battery connections. Make sure that the battery is correctly connected and the terminals are tight.
Note: The generator set will not start and circuit board damage may occur if the battery is connected in reverse.
Figure 1-16 shows the location of the engine starting battery.
Standard battery cables provide easy
EZ-273000-J
1. To positive (+) terminal on starter solenoid.
2. To ground (--) terminal on or near starter motor.
Figure 1-15 12-Volt Engine Electrical System Single
Starter Motor Typical Battery Connection
1
ADV-8025
1. Engine starting battery location
Figure 1-16 Battery Location, Air Intake End (typical)
20 Section 1 Installation TP-6967 8/15
1.10 Accessories
Have accessories installed by a Kohler authorized distributor/ dealer or a licensed electrician. Follow the installation instructions provided with each kit. Use separate conduit for AC and DC leads to reduce the possibility of electrical interference. Verify that the leads and conduit do not interfere with the operation of the generator set or obstruct the service areas. Verify that the electrical installation complies with the National
Electrical Code (NEC) and all applicable local codes.
See Section 2, Wiring Diagrams, for more information regarding generator set electrical connections.
If there are no accessories, proceed to Section 1.11,
Prestart Installation Check.
1.10.1 Common Fault and Auxiliary Run
Relay Board
The optional relay board provides two additional relays to control customer-provided equipment:
D
Common fault relay, energized on a fault.
D
Auxiliary run relay, energized when the generator set is running.
See Figure 1-17 for the relay board location.
Connect customer equipment to terminal strip TB1 on the relay board, following the markings on the board.
Connect to each relay’s normally open or normally closed contacts depending on the application. Use size
14 AWG maximum wire for connections to TB1. See
Figure 1-18 and Figure 1-19.
1
ADV-7948
1. Relay board location (inside customer connection box)
Figure 1-17 Optional Relay Board Location
1
1. Connect customer equipment to TB1, 14 AWG max.
Figure 1-18 Relay Board Connections
GM51403
Terminal Label
COMMON FAULT NC
Description
Common fault relay normally closed contact.
Opens on a fault.
COMMON FAULT COM Common fault relay common
COMMON FAULT NO Common fault relay normally open contact.
Closes on a fault.
AUX RUN NC Auxiliary run relay normally closed contact.
Open when generator set is running.
AUX RUN COM
AUX RUN NO
Auxiliary run relay common
Auxiliary run relay normally open contact.
Closed when generator set is running.
Note: Use maximum 14 AWG wire for TB1 connections.
Figure 1-19 Common Fault and Run Relay Board
Harness Connections
TP-6967 8/15 Section 1 Installation 21
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). See Figure 1-20.
The carburetor heater thermostat is installed in the cord.
Figure 1-21 shows the location of the thermostat on the power cord. The heater power cord and thermostat are located in the generator set housing air intake area/ battery compartment. See Figure 1-16.
Note: Do not place the carburetor heater thermostat inside the generator set engine compartment.
The thermostat must be exposed to the ambient air.
The heater requires a continuous source of power. Plug the carburetor heater into an outlet that supplies continuous 120 VAC power .
1
2
1. Carburetor heater (air cleaner removed to show heater)
2. Carburetor heater power cord
Figure 1-20 Carburetor Heater Location tp6195
1
2
3
GM19463
1. Power plug
Figure 1-21 Carburetor Heaters
2. Thermostat 3. Heater
22 Section 1 Installation TP-6967 8/15
1.11 Prestart Installation Check
Review the entire installation section. Inspect all wiring and connections to verify that the generator set is ready for operation. Check all items in the following Prestart
Checklist.
Prestart Checklist
Air Cleaner. Check that a clean air cleaner element is installed to prevent unfiltered air from entering the engine. See the generator set operation manual for instructions.
Air Inlets. Check for clean and unobstructed air inlets.
Battery. Check for tight battery connections. Consult the battery manufacturer’s instructions regarding battery care and maintenance.
Exhaust System.
Check for exhaust leaks and blockages. Check the muffler condition.
D
Inspect the exhaust system components for cracks, leaks, and corrosion. Check for tight exhaust system connections.
D
Check for corroded or broken metal parts and replace them as needed.
D
Check that the exhaust outlet is unobstructed.
Oil Level. Maintain the oil level at or near, not over, the full mark on the dipstick.
Operating Area. Check for obstructions that could block the flow of cooling air. Keep the air intake area clean. Do not leave rags, tools, or debris on or near the generator set.
TP-6967 8/15 Section 1 Installation 23
1.12 Controller Configuration
1.12.1 System Parameters
The controller configuration for each generator model is set at the factory and should not normally require changes. The controller’s configuration mode allows adjustment of the system parameters listed in this section. Use the instructions in this section to check the configuration after installation and change them to match the settings shown in Figure 1-22, if necessary.
Parameter
Unit’s system voltage and frequency
Controller type
Engine type
Communication setting *
Setting Definition
Uu01 120/240 VAC, 60 Hz
(single phase)
Uu06
Uc01
115/230 VAC, 50 Hz
(single phase)
ADC-RES (distributor)
(Use for 12RES)
Uc05
]
DC-RET (retail)
]
Ec00
Cn00
12RES
No J1939 communication.
Sleep mode enabled
(48-hour power down in
AUTO).
Cn01
[
J1939 communication enabled. Sleep mode disabled (no power down in
AUTO).
* Controller application code version 1.13 or higher.
[
Default setting for application code version 1.13 or higher.
]
Default setting for service replacement controllers.
Change to Uc01 for the 12RES.
Figure 1-22 Controller Configuration Parameters
(
Follow the instructions in Figure 1-23 to enter the configuration mode while the engine is not running and then step through the following parameters. Use the up
) and down ( ) arrow buttons to select the appropriate setting for the application.
The controller will automatically exit the configuration mode without saving any changes after about 1 minute if no buttons are pressed. Start the configuration procedure over again from the beginning if the controller exits the configuration mode before the settings have been saved.
Note: Be sure to save your settings before exiting the configuration mode. The controller reverts to the last saved settings when the master switch is moved to the OFF/RESET position.
Voltage/frequency setting (Uu). Select the system voltage and frequency from the table in Figure 1-22.
Note: The Uu parameter sets the system’s rated voltage and frequency. To adjust the output
(measured) voltage and frequency, see Section
1.13, Voltage and Frequency Adjustments.
Engine configuration (Ec). The engine configuration must match the generator set engine type.
Controller type (Uc). The Uc setting is used during initial controller installation in the factory or controller replacement in the field. The Uc setting can be changed only once. The default setting for service replacement controllers is Uc05, controller type DC-RET. Changing it to UC01 sets the controller type to ADC-RES. Uc01 is the correct setting for the Model 12RES.
Communication/Sleep Mode Setting (Cn). (Available on controllers with application code version 1.13 or higher.) The communication setting enables or disables
J1939 communication, and also disables or enables the sleep mode. When J1939 communication is enabled, the sleep mode is turned off to allow uninterrupted communication with a personal computer running remote monitoring software. If remote monitoring is not used, the communication can be turned off, enabling the sleep mode which causes the controller to power down after 48 hours of inactivity. The generator set master switch must be in AUTO for the sleep mode to function.
The default setting for controllers with application code version 1.13 or higher is Cn01, communication on/sleep mode off. Controllers with earlier application code versions have communication disabled and the sleep mode enabled. The Cn setting is not adjustable on these earlier versions.
1.12.2 Application Code Version
To check the application code version number, HOLD the select button while moving the generator set master switch to RUN. (The engine will not start when the select button is held.) Wait about 5 seconds for the application code version number to appear on the display. See
Figure 1-23.
24 Section 1 Installation TP-6967 8/15
Controller Configuration Mode:
Hold the Select button:
Move the generator set master switch to the RUN position. (The generator set engine will not start.)
Wait about 5 seconds until the display shows the program version number. (The number may be different than the one shown here.)
Press the down arrow key and then the up arrow key 3 times to enter the configuration mode. (This is the controller
“password.”)
Display:
.
0 v 1 1 3
U u 0 1
Now release the Select button.
Press:
or
To change the voltage/frequency setting, if necessary. See Figure 1-22.
To enter setting and step to the next parameter, controller type Uc.
or
To change the controller type, only if necessary. This setting is used during controller replacement and can be changed only once.
To enter setting and step to the next parameter, engine type Ec.
or
To change the engine type, if necessary.
U u 0 x
U c 0 1
E c 0 0
or
To enter setting and step to the next parameter, communication setting Cn.
To change the communication setting, if necessary. See Figure 1-22.
C n 0 x
To enter setting and step to SAVE.
S A V E
Press:
To SAVE CHANGES.
Y E S
OR
To DISCARD CHANGES without saving.
“Yes” or “no” flashes when the up or down arrow is pressed and then the controller exits the configuration mode. The display returns to the runtime hours.
n o
x x x x
Now move the master switch to OFF/RESET.
Note: Shaded boxes show which number in the controller display changes when the up or down arrow key is pressed. X in the runtime hours display above denotes any number from 0 to 9.
Figure 1-23 Configuration Mode (system voltage/frequency, engine type, and communication parameters)
TP-6967 8/15 Section 1 Installation 25
1.13 Voltage and Frequency
Adjustments
WARNING
Hazardous voltage.
Moving parts.
Can cause severe injury or death.
Operate the generator set only when all guards and electrical enclosures are in place.
Short circuits. Hazardous voltage/current can cause
severe injury or death. Short circuits can cause bodily injury and/or equipment damage. Do not contact electrical connections with tools or jewelry while making adjustments or repairs. Remove all jewelry before servicing the equipment.
The controller’s adjustment mode allows adjustment of the output voltage and frequency, if necessary. Have adjustments performed by a Kohler authorized distributor/ dealer.
Note: A digital multimeter that measures voltage and frequency is required for these adjustments.
Use a digital multimeter to check the output voltage and frequency. If output voltage or frequency is not within specifications, use the ADC controller to adjust the output voltage and engine speed (frequency) while the generator set is running.
See Figure 1-24.
The flowcharts in Figure 1-27 through Figure 1-29 outline the adjustment procedures.
Note: Be sure to save your changes as instructed in
Figure 1-29 before exiting configuration mode.
1
1. Select button 2. Arrow buttons
Figure 1-24 Advanced Digital Control
2 tp6514
Changes in voltage and speed adjustments are lost if not saved before the generator set shuts down. The generator set continues to run with the new settings until it shuts down but then reverts to the previous settings at the next startup if the changes have not been saved.
1.13.1 Voltage Adjustment
Note: Refer to the flowcharts in Figure 1-27 through
Figure 1-29 during the following procedure.
Voltage Adjustment Procedure
1. With the generator set off, connect a digital multimeter to the output leads or an electrical outlet on the load side of the generator set. Set the meter to measure AC voltage.
2. Start the generator set by moving the generator set master switch to the RUN position.
3. Use the ADC controller to adjust the voltage
(parameter 1P) until the output voltage reaches the desired value.
Refer to the flowcharts in
Figure 1-27 through Figure 1-29 for instructions to adjust the output voltage. See Figure 1-25 for the approximate change in voltage per step.
Measured
Voltage, VAC
85--132
180--251
ADC
Display
1P00--99
1P00--99
Voltage Change per
Step, VAC
Coarse
5
7
Fine
0.5
0.7
Figure 1-25 Voltage Adjustment (approximate)
4. Adjust the voltage stability (gain, parameter 2P) to minimize light flicker.
5. Readjust the voltage, if necessary.
6. Set the multimeter to measure frequency.
7. Adjust the engine speed to the cut-in frequency shown in Figure 1-26 by adjusting the engine governor speed (parameter 4P).
Frequency
60 Hz
50 Hz
Cut-In Frequency
57.5 Hz
47.5 Hz
Figure 1-26 Cut-In Frequencies
26 Section 1 Installation TP-6967 8/15
8. Adjust the volts/Hz (parameter 3P) until the voltage level measured by the multimeter begins to drop.
When the volts/Hz is set correctly, the generator
(as load is applied) attempts to maintain normal output until the engine speed drops below the cut-in frequency set in step 7.
9. Reset the engine speed to the operating frequency
(50 or 60 Hz) by adjusting the engine governor speed (parameter 4P).
10. Readjust the voltage stability (gain, parameter 2P), if necessary.
11. Readjust the voltage (parameter 1P), if necessary.
12. Save settings. See Figure 1-29.
13. Stop the generator set.
1.13.2 Frequency Adjustment
The engine speed determines the generator output frequency; 60 Hz units operate at 3600 rpm and 50 Hz units run at 3000 rpm. Adjust the engine governor speed and gain to set the output frequency and stability using the following procedure.
Note: Refer to the flowcharts in Figure 1-27 through
Figure 1-29 during the following procedure.
Frequency Adjustment Procedure
Note: Refer to the flowcharts in Figure 1-27 through
Figure 1-29 during the following procedure.
1. Attach a frequency meter to the AC output leads or an electrical outlet on the load side of the generator set.
2. Start and run the generator set until it reaches normal operating temperature (at least 10 minutes).
3. Adjust the electronic governor speed
(parameter 4P) to obtain a frequency reading of
60 Hz (or 50 Hz if appropriate). Each step changes the engine speed about 3.6 rpm, which changes the output frequency about 0.06 Hz.
4. Check stability with the generator set running and with no load applied. If the generator set speed is unstable, hunts, or surges, adjust the governor stability (gain, parameter 5P) until the generator set becomes stable with no hunting or surging.
(Increasing the gain slows the governor response.)
5. Check the frequency reading. Repeat steps 3 and
4 if necessary to obtain the rated frequency and stable operation.
6. Save settings. See Figure 1-29.
TP-6967 8/15 Section 1 Installation 27
Output Voltage and Frequency Adjustment Mode:
Move the generator set master switch to the RUN position. The generator set engine starts and the controller display shows the engine runtime hours.
Hold:
Wait about 5 seconds until the display changes from runtime hours to the program version number.
Display :*
x x x x
x.
x x
Press the down arrow key and then the up arrow key 3 times to enter the adjustment mode. (This is the controller “password.”)
1 P
x x
The controller is now in the voltage coarse adjustment mode.
Press:
or
To raise or lower the voltage in large increments
(approximately 5--7 volts per step). (Parameter 1P) or or
To enter fine voltage adjustment mode.
To raise or lower the voltage in smaller increments
(approximately 0.5--0.7 volts per step). (Parameter 1P)
To enter coarse voltage stability (gain) adjustment mode.
To raise or lower the voltage stability (gain) in large increments. (Parameter 2P) or
To enter fine voltage stability (gain) adjustment mode.
To raise or lower the voltage stability (gain) in smaller increments. (Parameter 2P)
1 P
1 P x x
2 P
2 P
x x x x x x
To enter volts/Hz adjustment mode.
(Parameter 3P)
To raise or lower the volts/Hz: 00=low; 09= high
3 P x
x
or
Continued on Figure 1-28.
* Shaded boxes show which character in the controller display changes for each adjustment. X in the examples above denotes any number from 0 to 9. The actual values may vary from model-to-model.
Figure 1-27 Output Voltage and Frequency Adjustments
28 Section 1 Installation
TP6196
TP-6967 8/15
Continued from Figure 1-27:
Press:
To enter engine governor speed coarse adjustment mode. (Parameter 4P) or
To raise or lower the engine speed in large increments.
or or or
To enter engine governor speed fine adjustment mode. (Parameter 4P)
To raise or lower the engine speed in smaller increments.
To enter engine governor stability (gain) coarse adjustment mode. (Parameter 5P)
To raise or lower the engine governor stability (gain) in large increments.
To enter engine governor stability (gain) fine adjustment mode. (Parameter 5P)
To raise or lower the engine governor stability (gain) in smaller increments.
To enter SAVE mode. Go to Figure 1-29.
Display : *
4 P
x x
4 P
5 P
5 P
x x x x x x
S A V E
Note: Be sure to save your settings before exiting the configuration mode. The controller reverts to the last saved settings when the master switch is moved to the OFF/RESET position.
* Shaded boxes show which character in the controller display changes for each adjustment. X in the examples above denotes any number from 0 to 9. The actual values may vary from model-to-model.
Figure 1-28 Output Voltage and Frequency Adjustments, Continued
TP-6967 8/15 Section 1 Installation 29
There are 3 options when the display says SAVE:
Press:
To return to the first parameter, coarse voltage adjustment, to check or change settings before saving. See Figure 1-27.
or
To save changes.
or
To discard changes without saving.
“Yes”or “no” flashes when the up or down arrow is pressed and then the controller exits the configuration mode. The display returns to the runtime hours.
Now move the master switch to OFF/RESET.
Figure 1-29 Save Mode
S A V E
1 P
Y E S n o
x x x x x x
30 Section 1 Installation TP-6967 8/15
Section 2 Dimension Drawings and Wiring Diagrams
Refer to the dimension drawings and wiring diagrams for your model during generator set installation. Figure 2-1 lists the drawing numbers and locations.
Drawing Description
Dimension Drawing
Mounting and Dimensions
Clearance
High Wind Mounting
Schematic Diagram
Point-to-Point Wiring Diagram
Figure 2-1 Drawing Numbers and Locations
Drawing Number Page
ADV-8024
Sheet 1 32
Sheet 2
Sheet 3
ADV-7325
GM51414
33
34
35
36
TP-6967 8/15 Section 2 Dimension Drawings and Wiring Diagrams 31
Figure 2-2 Dimension Drawing ADV-8024, Sheet 1
32 Section 2 Dimension Drawings and Wiring Diagrams TP-6967 8/15
Figure 2-3 Dimension Drawing ADV-8024, Sheet 2
TP-6967 8/15 Section 2 Dimension Drawings and Wiring Diagrams 33
Figure 2-4 Dimension Drawing, ADV-8024, Sheet 3
34 Section 2 Dimension Drawings and Wiring Diagrams TP-6967 8/15
Figure 2-5 Schematic Diagram, ADV-7325-E
TP-6967 8/15 Section 2 Dimension Drawings and Wiring Diagrams 35
-
Figure 2-6 Wiring Diagram, GM51414-E
36 Section 2 Dimension Drawings and Wiring Diagrams TP-6967 8/15
-
Appendix A Abbreviations
The following list contains abbreviations that may appear in this publication.
A, amp
ABDC
AC
A/D
ADC adj.
ADV
Ah
AHWT
AISI
ALOP alt.
Al
ANSI aluminum
American National Standards
Institute (formerly American
Standards Association, ASA)
AO
APDC anticipatory only
Air Pollution Control District
API American Petroleum Institute approx.
approximate, approximately
APU
AQMD
AR
AS ampere after bottom dead center alternating current analog to digital advanced digital control; analog to digital converter adjust, adjustment advertising dimensional drawing amp-hour anticipatory high water temperature
American Iron and Steel
Institute anticipatory low oil pressure alternator
ASE
ASME assy.
ASTM
ATDC
ATS auto.
aux.
avg.
AVR
AWG
AWM bat.
BBDC
BC
Auxiliary Power Unit
Air Quality Management District as required, as requested as supplied, as stated, as suggested
American Society of Engineers
American Society of
Mechanical Engineers assembly
American Society for Testing
Materials after top dead center automatic transfer switch automatic auxiliary average automatic voltage regulator
American Wire Gauge appliance wiring material battery before bottom dead center battery charger, battery charging battery charging alternator BCA
BCI
BDC
BHP blk.
Battery Council International before dead center brake horsepower black (paint color), block
(engine) blk. htr.
block heater
BMEP bps br.
BTDC brake mean effective pressure bits per second brass before top dead center
Btu British thermal unit
Btu/min.
British thermal units per minute
C cal.
CAN
CARB
CAT5
CB
CC cc
CCA ccw.
CEC cert.
cfh
Celsius, centigrade calorie controller area network
California Air Resources Board
Category 5 (network cable) circuit breaker crank cycle cubic centimeter cold cranking amps counterclockwise
Canadian Electrical Code certificate, certification, certified cubic feet per hour cfm
CG
CID
CL cm
CMOS com coml
Coml/Rec Commercial/Recreational conn.
cont.
CPVC crit.
CSA
CT
Cu cUL
CUL cubic feet per minute center of gravity cubic inch displacement centerline centimeter complementary metal oxide substrate (semiconductor) communications (port) commercial connection continued chlorinated polyvinyl chloride critical
Canadian Standards
Association current transformer copper
Canadian Underwriter’s
Laboratories
Canadian Underwriter’s
Laboratories cubic inch clockwise city water-cooled cylinder cu. in.
cw.
CWC cyl.
D/A
DAC dB dB(A)
DC
DCR deg., dept.
dia.
DI/EO
DIN
DIP
DPDT
DPST
DS
DVR digital to analog digital to analog converter decibel decibel (A weighted) direct current direct current resistance degree department diameter dual inlet/end outlet
Deutsches Institut fur Normung e. V. (also Deutsche Industrie
Normenausschuss) dual inline package double-pole, double-throw double-pole, single-throw disconnect switch digital voltage regulator
E
2
PROM, EEPROM memory
E, emer.
emergency (power source)
ECM electrically-erasable programmable read-only
EDI
EFR e.g.
EG
EGSA electronic control module, engine control module electronic data interchange emergency frequency relay
EIA
EI/EO
EMI emiss.
eng.
EPA
EPS
ER
ES
ESD est.
E-Stop etc.
for example (exempli gratia) electronic governor
Electrical Generating Systems
Association
Electronic Industries
Association end inlet/end outlet electromagnetic interference emission engine
Environmental Protection
Agency emergency power system emergency relay engineering special, engineered special electrostatic discharge estimated emergency stop et cetera (and so forth) exh.
ext.
F
FHM fl. oz.
flex.
freq.
FS ft.
ft. lb.
ft./min.
ftp g ga.
gal.
gen.
genset
GFI exhaust external
Fahrenheit, female flat head machine (screw) fluid ounce flexible frequency full scale foot, feet foot pounds (torque) feet per minute file transfer protocol gram gauge (meters, wire size) gallon generator generator set ground fault interrupter hex
Hg
HH
HHC
HP hr.
HS hsg.
HVAC
GND, gov.
gph gpm ground governor gallons per hour gallons per minute gr.
GRD grade, gross equipment ground gr. wt.
gross weight
H x W x D height by width by depth
HC
HCHT
HD
HET hex cap high cylinder head temperature heavy duty high exhaust temp., high engine temp.
hexagon mercury (element) hex head hex head cap horsepower hour heat shrink housing heating, ventilation, and air conditioning high water temperature HWT
Hz
IBC
IC
ID
IEC
IEEE hertz (cycles per second)
International Building Code integrated circuit inside diameter, identification
International Electrotechnical
Commission
Institute of Electrical and
Electronics Engineers
IMS in.
in. H
2 improved motor starting inch in. Hg
O inches of water k
K
J
JIS kA
KB
KBus kg in. lb.
Inc.
ind.
int.
int./ext.
internal/external
I/O
IP
ISO inches of mercury inch pounds incorporated industrial internal input/output internet protocol
International Organization for
Standardization joule
Japanese Industry Standard kilo (1000) kelvin kiloampere kilobyte (2
10 bytes)
Kohler communication protocol kilogram
TP-6967 8/15 Appendix 37
kg/cm kgm kg/m
3
2 kilograms per square centimeter kilogram-meter kilograms per cubic meter kHz kJ kilohertz kilojoule km kilometer kOhm, k kilo-ohm kPa kph kV kVA kVAR kW kWh kWm kilopascal kilometers per hour kilovolt kilovolt ampere kilovolt ampere reactive kilowatt kilowatt-hour kilowatt mechanical kWth
L kilowatt-thermal liter
LAN local area network
L x W x H length by width by height lb.
lbm/ft
3
LS
L wa
LWL
LWT m
M
LCB
LCD
LED
Lph
Lpm
LOP
LP
LPG pound, pounds pounds mass per cubic feet line circuit breaker liquid crystal display light emitting diode liters per hour liters per minute low oil pressure liquefied petroleum liquefied petroleum gas left side sound power level, A weighted low water level low water temperature meter, milli (1/1000) mega (10
6 when used with SI m m
3
/hr.
m
3 units), male cubic meter
3 cubic meters per hour
/min.
cubic meters per minute mA man.
max.
MB milliampere manual maximum megabyte (2
20 bytes)
MCCB
MCM molded-case circuit breaker one thousand circular mils meggar megohmmeter
MHz mi.
mil min.
misc.
MJ mJ mm megahertz mile one one-thousandth of an inch minimum, minute miscellaneous megajoule millijoule millimeter mOhm, mmilliohm
MOhm, Mmegohm
MOV
MPa mpg mph
MS ms m/sec.
mtg.
MTU
MW mW metal oxide varistor megapascal miles per gallon miles per hour military standard millisecond meters per second mounting
Motoren-und Turbinen-Union megawatt
F milliwatt microfarad
N, norm. normal (power source)
NA not available, not applicable nat. gas natural gas
OV oz.
p., pp.
PC
PCB pF
PF ph.,
PHC
NBS
NC
NEC
NEMA
NFPA
National Bureau of Standards normally closed
National Electrical Code
National Electrical
Manufacturers Association
National Fire Protection
Association newton meter Nm
NO normally open no., nos. number, numbers
NPS
NPSC
NPT
NPTF
NR ns
OC
OD
OEM
OF opt.
OS
OSHA psi psig pt.
PTC
PTO
PVC qt.
qty.
R
PHH
PHM
PLC
PMG pot ppm
PROM
National Pipe, Straight
National Pipe, Straight-coupling
National Standard taper pipe thread per general use
National Pipe, Taper-Fine not required, normal relay nanosecond overcrank outside diameter original equipment manufacturer overfrequency option, optional oversize, overspeed
Occupational Safety and Health
Administration overvoltage ounce page, pages personal computer printed circuit board picofarad power factor phase
Phillipsr head Crimptiter
(screw)
Phillipsr hex head (screw) pan head machine (screw) programmable logic control permanent magnet generator potentiometer, potential parts per million
RHM rly.
rms rnd.
RO
ROM rot.
rpm
RS
RTDs programmable read-only memory pounds per square inch pounds per square inch gauge pint positive temperature coefficient power takeoff polyvinyl chloride quart, quarts quantity replacement (emergency) power source radiator, radius random access memory relay driver output reference rad.
RAM
RDO ref.
rem.
remote
Res/Coml Residential/Commercial
RFI
RH radio frequency interference round head round head machine (screw) relay root mean square round read only read only memory rotate, rotating revolutions per minute right side
Resistance Temperature
Detectors
SI/EO sil.
SMTP
SN
SNMP
SPDT
SPST spec specs sq.
sq. cm sq. in.
SMS
SS std.
stl.
tach.
TB
TCP
TD
TDC
TDEC
TDEN
RTU
RTV
RW
SAE scfm
SCR s, sec.
SI
UF
UHF
UIF
UL
UNC
UNF univ.
URL
TDES
TDNE
TDOE
TDON temp.
term.
THD
TIF tol.
turbo.
typ.
VHF
W
WCR w/
WO w/o wt.
xfmr
US
UV
V
VAC
VAR
VDC
VFD
VGA remote terminal unit room temperature vulcanization read/write
Society of Automotive
Engineers standard cubic feet per minute silicon controlled rectifier second
Systeme international d’unites,
International System of Units side in/end out silencer simple mail transfer protocol serial number simple network management protocol single-pole, double-throw single-pole, single-throw specification specification(s) square square centimeter square inch short message service stainless steel standard steel tachometer terminal block transmission control protocol time delay top dead center time delay engine cooldown time delay emergency to normal time delay engine start time delay normal to emergency time delay off to emergency time delay off to normal temperature terminal total harmonic distortion telephone influence factor tolerance turbocharger typical (same in multiple locations) underfrequency ultrahigh frequency user interface
Underwriter’s Laboratories, Inc.
unified coarse thread (was NC) unified fine thread (was NF) universal uniform resource locator
(web address) undersize, underspeed ultraviolet, undervoltage volt volts alternating current voltampere reactive volts direct current vacuum fluorescent display video graphics adapter very high frequency watt withstand and closing rating with write only without weight transformer
38 Appendix TP-6967 8/15
TP-6967 8/15
E
2015 by Kohler Co. All rights reserved.
KOHLER CO. Kohler, Wisconsin 53044
Phone 920-457-4441, Fax 920-459-1646
Kohler Power Systems
Asia Pacific Headquarters
7 Jurong Pier Road
Singapore 619159
Phone (65) 6264-6422, Fax (65) 6264-6455
For the nearest KOHLER authorized installation, service, and sales dealer in the US and Canada:
Call 1-800-544-2444 or visit
KOHLERPower.com

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Key features
- Suitable for residential and commercial applications
- Equipped with Advanced Digital Control (ADC-RES) controller
- Operates using natural gas or LPG fuel
- Requires proper ventilation for cooling and combustion
- Comes with a battery charger and optional accessories
- Requires a power supply for the battery charger and accessories
- Includes detailed instructions for fuel conversion from natural gas to LPG (or vice versa)
- Designed for outdoor installation only
- Compliant with National Electrical Code (NEC) and local code requirements