Kohler 12RESM1, 12/17/18RESL, 12/17/18RESNT, 12/18RESHD Residential/Commercial Generator Sets Installation instructions
Below you will find brief information for 12RESM1, 12/17/18RESL, 12/17/18RESNT, 12/18RESHD. These Kohler generator sets provide backup power for residential and commercial use. Installation requires outdoor placement, adherence to electrical codes, and proper fuel connection. Consult the manual for detailed instructions and safety precautions.
Advertisement
Advertisement
Installation
Residential/Commercial Generator Sets
Models:
12RESM1
12/17/18RESL
12/17/18RESNT
12/18RESHD
Controller:
DC-RET Digital Control
TP-6516 4/09d
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
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix A Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Safety Precautions and Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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
AC Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.8.2
Remote Start Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.8.3
Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.8.4
Battery Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.9
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.10 Carburetor Heater (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.11 Prestart Installation Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.12 Startup Notification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 2 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
13
13
13
13
13
18
18
18
19
19
20
20
20
22
22
23
23
23
24
26
27
27
29
5
9
35
TP-6516 4/09 Table of Contents 3
Notes
4 TP-6516 4/09
Safety Precautions and Instructions
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, substantial property damage.
or
WARNING
Warning indicates the presence of a hazard that can cause severe personal injury, death, substantial property damage.
or
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.
Accidental Starting
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
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-6516 4/09 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
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 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.
Fuel System
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 LP vapor gas 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.
6 Safety Precautions and Instructions TP-6516 4/09
Hazardous Noise
CAUTION
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
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.
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.
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.
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
Airborne particles.
Can cause severe injury or blindness.
Wear protective goggles and clothing when using power tools, hand tools, or compressed air.
Heavy Equipment
WARNING
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.
TP-6516 4/09 Safety Precautions and Instructions 7
Hot Parts
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.
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-6516 4/09
Introduction
This manual provides installation instructions for 12, 17, and 18 kW residential/commercial generator sets equipped with the Kohler r DC-RET Digital Control.
Refer to TP-6517, Operation Manual, for generator set operation and maintenance instructions.
The generator set is approved for use in stationary applications in locations served by a reliable utility power source.
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 (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.
See Figure 1 or Figure 2 for generator set component locations.
1 2 3 4 5 6 7
8
16
9
17 18
19
See
Detail
20
21
22
15
10
24
14 13 12 11
19
1. Muffler
2. Oil check
3. Oil fill
4. Air cleaner
5. Fuses
6. RS-232 connector (for application program updates)
7. Controller user interface
8. Generator set master switch (RUN-OFF/RESET-AUTO)
9. Load circuit breaker
10. Field-connection terminal block location
11. Spark plug locations (both sides)
12. Oil drain hose
13. Oil drain valve
14. Oil filter
15. Exhaust
16. Equipment ground
17. Battery charger
18. DSAI lead location
19. LP fuel orifice location
20. Gas regulator assembly
21. Fuel solenoid valve
22. Fuel inlet
23. Air intake
24. Engine starting battery location
(battery purchased separately)
Figure 1 Generator Set Component Locations, 12 kW Models
Fuel system detail
23
ADV-7466-
TP-6516 4/09 9
1
Control detail, top view
12
11
2 3 4
8
9
10
5 6 7 See control detail 18 19 20 21
22
26
25
17 23
16 15 14 13 24
1. Muffler
2. Oil check
3. Oil fill
4. Air cleaner
5. Spark plug locations (both sides)
6. Oil filter
7. Oil cooler location
8. DC-RET Digital Control display
9. Generator set master switch (RUN-OFF/RESET-AUTO)
10. Line circuit breaker
11. Fuses
12. RS-232 connector (for application program updates)
13. Engine starting battery location (battery purchased separately)
Figure 2 Generator Set Component Locations, 17/18 kW Models
14. Oil drain hose
15. Nameplate location (on base)
16. Oil drain valve
17. Exhaust outlet
18. Field-connection terminal block location
19. LP fuel orifice location (inside hose fitting)
20. Gas regulator assembly
21. DSAI leads
22. Fuel inlet
23. Air intake
24. Battery cables
25. Battery charger
26. 120 VAC receptacle for battery charger
ADV-7341A-B
10 TP-6516 4/09
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 stickers 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
3 rue de Brennus
93200 Saint Denis
France
Phone: (33) 1 49 178300
Fax: (33) 1 49 178301
Service Assistance
Asia Pacific
Power Systems Asia Pacific Regional Office
Singapore, Republic of Singapore
Phone: (65) 6264-6422
Fax: (65) 6264-6455
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
TP-6516 4/09 11
Notes
12 TP-6516 4/09
Section 1 Installation
1.1 General
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 (NEC) and local code requirements. Do not install this generator set indoors.
Use the generator set and transfer switch dimension drawings and wiring diagrams for installation.
1.2 Lifting
WARNING
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.
Approximate generator set weights are shown in
Figure 1-1. Use lifting bars inserted through the holes in the skid to lift the unit. See Figure 1-2 or Figure 1-4 for lifting hole locations.
Model
12 kW
17/18 kW
Figure 1-1 Approximate Weights
Weight, kg (lb.)
186 (410)
227 (500)
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-6517,
Operation Manual, for additional information.
1.4 Location and Mounting
See Figure 1-2 (12 kW) or Figure 1-4 (17/18 kW) for the generator set dimensions and fuel and electric inlet locations.
The drawing dimensions are shown in millimeters, with inches in brackets.
Install the generator set outdoors. Provide the minimum clearance around the generator set shown in Figure 1-3 or Figure 1-5. Locate the generator set so that the hot exhaust does not blow on plants or other combustible materials.
Do not install the generator set where exhaust gas could accumulate and seep inside or be drawn into a potentially occupied building.
The generator set is shipped on a plastic mounting pad.
Prepare a flat, level mounting area covered with a weed barrier and gravel as shown in Figure 1-5.
Set the plastic mounting pad directly on the gravel. Do not install the mounting pad directly on grass.
TP-6516 4/09 Section 1 Installation 13
Figure 1-2 Generator Set Mounting Details and Dimensions, 12 kW Models, ADV-7466, Sheet 1
14 Section 1 Installation TP-6516 4/09
Figure 1-3 Generator Set Clearances, 12 kW Models, ADV-7466, Sheet 2
TP-6516 4/09 Section 1 Installation 15
Figure 1-4 Generator Set Mounting Details and Dimensions, 17/18 kW Models, ADV-7341-B, Sheet 1
16 Section 1 Installation TP-6516 4/09
Figure 1-5 Generator Set Clearances, 17/18 kW Models, ADV-7341-B, Sheet 2
TP-6516 4/09 Section 1 Installation 17
1.4.1
Exhaust Requirements
WARNING
3
1
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 complete for generator sets installed outdoors.
Do not install this generator set indoors.
Figure 1-6 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 Figure 1-5.
Exhaust System
Exhaust flow at rated kW, m
3
/min. (cfm)
12 kW
17/18 kW
Exhaust gas temperature exiting the enclosure at rated kW, _C (_F)
60 Hz
3.8 (135)
5.3 (187)
216 (420)
Figure 1-6 Exhaust Flow and Temperature
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 1-7 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.
2
1. Exhaust outlet
2. Alternator air intake (both sides)
3. Engine air intake
Figure 1-7 Cooling Air Intake and Exhaust
3
GM51561
Model
12 kW
17/18 kW
Air Requirements, m 3 /min. (cfm)
Cooling
Air
Combustion
Air
Total Inlet
Air Hz
60 26.9 (950)
50 22.4 (790)
1.1 (39.2)
0.9 (32.6)
28.0 (990)
23.4 (826)
60 28.0 (989) 1.62 (57.3) 29.6 (1045)
50 22.6 (798) 1.42 (50.1) 24.0 (848)
Figure 1-8 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 carburetor heater.
See
Section 1.8.
Connect power from a circuit on the essential loads panel to the 120-VAC receptacles.
Figure 1-9 lists the power requirements for the battery charger and accessories.
Equipment
Battery charger
Carburetor heater:
12 kW
17/18 kW
Battery heater
Power Requirement, Max.
Watts Amps Volts
192 1.6
38
40
110
Figure 1-9 Power Requirements
0.32
0.34
0.92
120
18 Section 1 Installation TP-6516 4/09
1.6 Fuel Requirements
The generator set operates using natural gas or LP vapor fuel. The generator set is EPA-certified for both natural gas and LP vapor fuels.
The fuel system installation must comply with the NEC and local codes.
1.6.1
Fuel Supply
Because of variable climates and geographical considerations, contact the local fuel supplier for fuel system planning and installation. Figure 1-10 lists the recommended fuel ratings and other fuel supply information for natural gas and LP vapor fuels.
Fuel types
Fuel supply inlet
Natural Gas LP Vapor
1/2 NPT
Fuel supply pressure, kPa (in. H 2 O), 12 kW
Fuel supply pressure, kPa (in. H
2
O), 17/18 kW
Fuel flow rate, Btu/hr.,
12 kW
1.3--2.7 (5-11)
193000
Fuel flow rate, Btu/hr.,
17/18 kW
Nominal Fuel Rating, Btu/ft
3
242000
1.7--2.7 (7-11)
1.7--2.7 (7-11)
203000
280000
Natural gas
LP vapor
1000
2500
Figure 1-10 Fuel Supply
Verify that the output pressure from the primary gas utility (or LP tank) pressure regulator is within the range shown in Figure 1-10 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 1-11 or Figure 1-12 for fuel consumption.
Contact the fuel supplier for flow rate information or a gas meter upgrade.
See Figure 1-2 or Figure 1-4 for 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 % Rated Load
Natural Gas, m
3
/hr. (cfh)
100% 5.9 (209)
75%
50%
25%
LP Vapor, m
3
/hr. (cfh)
4.8 (168)
3.6 (127)
2.4
(85)
100%
75%
50%
25%
LP vapor conversion factors:
8.58 ft.
3
0.535 m
3
= 1 lb.
= 1 kg
36.39 ft.
3
= 1 gal.
Nominal fuel rating:
Natural gas: 37 MJ/m
LP vapor: 93 MJ/m
3
3
(1000 Btu/ft.
(2500 Btu/ft.
3
3
)
)
3.1 (108)
2.5
(87)
1.9
(65)
1.2
(44)
Figure 1-11 Fuel Consumption, 12 kW Models
Fuel Consumption at % Rated Load
Natural Gas, m
3
/hr. (cfh)
100% 6.9 (242)
75%
50%
5.8 (204)
4.4 (155)
3.4 (120) 25%
LP Vapor, m
3
/hr. (cfh)
100%
75%
50%
25%
LP vapor conversion factors:
8.58 ft.
3
0.535 m
3
= 1 lb.
= 1 kg
36.39 ft.
3
= 1 gal.
Nominal fuel rating:
Natural gas: 37 MJ/m
3
LP vapor: 93 MJ/m
3
(1000 Btu/ft.
(2500 Btu/ft.
3
3
)
)
3.2
(112)
2.7
(96)
2.1
(74)
1.6
(57)
Figure 1-12 Fuel Consumption, 17/18 kW Models
TP-6516 4/09 Section 1 Installation 19
1.6.2
Fuel Pipe Size
Ensure that the natural gas pipe size and length meet the specifications in Figure 1-13 or Figure 1-14.
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 1-13 or Figure 1-14 to find the required pipe size.
Contact the local LP provider for LP installation information.
Maximum Pipe Length, m (ft.)
9.2
(30)
30.0
(100)
68.6
(225)
Pipe Size, in. NPT
3/4
1
1 1/4
Figure 1-13 12 kW Models, Fuel Pipe Size, Natural
Gas
Minimum Gas Pipe Size Recommendation, in. NPT
Pipe Length, m (ft.)
Natural Gas
(242,000 Btu/hr.)
LP Vapor
(280,000 Btu/hr.)
8 (25)
15 (50)
30 (100)
46 (150)
61 (200)
1
1
1 1/4
1 1/4
1 1/4
3/4
1
1
1 1/4
1 1/4
Figure 1-14 17/18 kW Models, Fuel Pipe Size,
Natural Gas
1.7 Fuel Conversion
The multi-fuel system allows conversion from natural gas to LP vapor (or vice-versa) in the field while maintaining emissions-standard compliance. A trained technician or authorized distributor/dealer can convert the fuel system.
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.
WARNING
20 Section 1 Installation
Explosive fuel vapors.
Can cause severe injury or death.
Use extreme care when handling, storing, and using fuels.
1.7.1
Fuel Conversion
For LP vapor fuel, an orifice is used in the fuel line. The unit is typically shipped set up for natural gas, with the loose orifice tied near the fuel line. To convert to LP vapor, install the orifice and disconnect the spark advance leads as described below. See Figure 1-15 for the fuel system component locations.
TP-6516 4/09
Procedure to Convert from NG to LP
1. Place the generator set master switch in the OFF position.
2. Disconnect the power to the battery charger.
3. Disconnect the generator set engine starting battery, negative (--) lead first.
4. Turn off the fuel supply.
5. Remove the hose clamp and fuel hose from the hose fitting. See Figure 1-15.
1
2
3
4
Fuel System Detail
5 2
6
3
4
6. Place the orifice into the hose fitting.
See
Figure 1-16.
1
2
3 tp6514
1. LP orifice 2. Hose fitting 3. Regulator
Figure 1-16 LP Fuel Orifice Installation
7. Slide the hose onto the hose fitting and secure it with the clamp.
8. Disconnect the digital spark-advance module
(DSAI) leads for LP. (Connect the leads for natural gas.) See Figure 1-17 and Figure 1-18.
Fuel
Natural Gas
LP
Figure 1-17 DSAI Connection
DSAI Leads
Connect
Disconnect
1
1. Hose fitting (LP orifice fits inside; see Figure 1-16)
2. Regulator
3. Fuel valve
4. Fuel inlet, 1/2 in. NPT female
5. Fuel hose with clamp
6. DSAI connector location (see Figure 1-18)
GM51561A-D
Figure 1-15 Fuel System Components, Air Inlet Side,
17/18 kW Shown tp6514
1. DSAI leads 65 and N5: connect for natural gas, disconnect for LP
Figure 1-18 Digital Spark Advance (DSAI) Leads
(located in generator set air intake area)
TP-6516 4/09 Section 1 Installation 21
9. Connect and turn on the new fuel supply.
10. Check that the generator set master switch is in the
OFF position.
11. Reconnect the generator set engine starting battery leads, negative (--) lead last.
12. Reconnect power to the battery charger.
13. Start the generator set by moving the generator set master switch to the RUN position.
14. Check for leaks using a gas leak detector.
15. Move the generator set master switch to the OFF/
RESET position to shut down the generator set.
To convert from LP vapor to natural gas, remove the fuel orifice and connect the DSAI leads together.
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 an authorized distributor/dealer or a licensed electrician make the following electrical connections.
Verify that the electrical installation complies with the
National Electrical Code (NEC) and all applicable local codes. Ground the generator set from the GRD terminal inside the controller compartment according to applicable codes.
1.8.1
AC Connections
The generator set is equipped with a field-connection terminal block located in the air inlet area near the junction box. See Figure 1-19 and Figure 1-20. Also see Section 2, Wiring Diagrams.
Refer to the transfer switch specifications and
Figure 1-20 for the acceptable cable sizes. 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.
The electrical installation must comply with the National
Electrical Code (NEC) and all applicable local codes.
Connection Procedure
See Figure 1-20.
Leads have been factory-installed from the junction box to the terminal block for easier field wiring. Refer to the decal near the terminal block for connections.
1. Connect the leads from the transfer switch emergency source lugs to the L1 and L2 connections on the generator set terminal block.
2. 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.
3. The terminal block kit includes 120VAC receptacles for the battery charger and optional carburetor heater.
Connect utility power to the terminal block as shown. Connect to a circuit that is supplied by the generator set if utility power is lost.
22 Section 1 Installation TP-6516 4/09
1
2
1 2
12 kW
3
3
ADV-7466
17/18 kW ADV-7341
1. Junction box
2. Field connection terminal block location (see Figure 1-20)
3. Suggested electrical inlet
Figure 1-19 Field Wiring
1.8.2
Remote Start Connection
Connect engine start leads from 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 strap to the generator set ground lug, terminal GND inside the controller compartment.
Kohler generator sets are shipped with the generator neutral attached to the generator in the junction box. 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 2002
Section 250.20 is one example that has a very good explanation of the neutral grounding requirements for generators.
1.8.4
Battery Charger
A 6-amp battery charger is factory-installed in the battery compartment to keep the starting battery fully charged. The battery charger’s DC leads are factoryconnected.
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.
Figure 1-20 Field-Connection Terminal Block
TP-6516 4/09 Section 1 Installation 23
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.
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.
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 battery with a minimum rating of 525 cold cranking amps at 0
_F. The generator set uses a negative ground with a 12-volt engine electrical system.
See Figure 1-21 for battery connections. Make sure that the battery is correctly connected and the terminals are tight.
1 2
EZ-273000-J
1. To positive (+) terminal on starter solenoid.
2. To ground (--) terminal on or near starter motor.
Figure 1-21 12-Volt Engine Electrical System Single
Starter Motor Typical Battery Connection
24 Section 1 Installation TP-6516 4/09
Note: The generator set will not start and circuit board damage may occur if the battery is connected in reverse.
Figure 1-22 shows the location of the engine starting battery.
Standard battery cables provide easy connection to the battery. Use the following procedure to install and connect the battery.
1
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. Engine starting battery location
Figure 1-22 Battery Location, Air Intake End
ADV-7341A-B
TP-6516 4/09 Section 1 Installation 25
1.10 Carburetor Heater (optional)
Have accessories installed by an 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.
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 1-23 through Figure 1-26.
The heater thermostat is installed in the cord.
Figure 1-26 shows the location of the thermostat on the power cord.
battery compartment.
See Figure 1-22 and
Figure 1-24. Plug the carburetor heater into an outlet that supplies continuous 120 VAC power.
Note: Do not place the heater thermostat inside the generator set engine compartment.
The thermostat must be exposed to the ambient air.
Thermostat will shut off power to the heater when ambient temperature reaches approximately
16
_C (60_F).
Figure 1-25 shows the location of the carburetor heater on the 17/18 kW generator set engine for reference.
(The engine has been removed from the generator set in this photo for a clear view.)
5
3
4
GM57969
1
2
1. Thermostat
2. Heater
3. Bulkhead opening for carburetor heater access
4. Carburetor heater cord with thermostat
5. 120 VAC receptacles for carburetor heater and battery charger
Figure 1-24 Carburetor Heater, 17/18 kW
1 tp6195
1. Carburetor heater (air cleaner removed to show heater)
2. Carburetor heater power cord
Figure 1-23 Carburetor Heater Location, 12 kW
The heater requires a continuous source of 120 VAC power.
The heater power cord and thermostat are located in the generator set housing air intake area/ tp6514
1. Carburetor heater location
Figure 1-25 Carburetor Heater Location, 17/18 kW
26 Section 1 Installation TP-6516 4/09
1 3
12 kW Carburetor Heater
GM19463
1 2 3
GM57968
17/18 kW Carburetor Heater
1. Thermostat
2. Connector
3. Heater
Figure 1-26 Carburetor Heaters
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.
1.12 Startup Notification
Complete the startup and installation checklists supplied with the startup notification form. Complete and sign the startup notification form and return copies to Kohler Co. and the distributor/dealer as instructed on the form.
Standby systems not registered within 60 days of startup are automatically registered using the manufacturer’s ship date as the startup date.
TP-6516 4/09 Section 1 Installation 27
Notes
28 Section 1 Installation TP-6516 4/09
Section 2 Wiring Diagrams
Figure 2-1 lists the wiring diagram drawing numbers and drawing references.
Wiring Diagram Description
Schematic Diagram, 12 kW Models
Point-to-Point Wiring Diagram, 12 kW Models
Schematic Diagram, 17/18 kW Models
Point-to-Point Wiring Diagram, 17/18 kW Models
Figure 2-1 Wiring Diagrams and Schematics
Drawing
Number Reference
ADV-7351 Figure 2-2
GM52471 Figure 2-3
ADV-7353 Figure 2-4
GM52541 Figure 2-5
Page
30
31
32
33
TP-6516 4/09 Section 2 Wiring Diagrams 29
Figure 2-2 Schematic Diagram, 12 kW Models, ADV-7351
30 Section 2 Wiring Diagrams TP-6516 4/09
-
Figure 2-3 Point-to-Point Wiring Diagram, 12 kW Models, GM52471
TP-6516 4/09 Section 2 Wiring Diagrams 31
-
Figure 2-4 Schematic Diagram, Single Phase, 17/18 kW Models, ADV-7353
32 Section 2 Wiring Diagrams TP-6516 4/09
-
Figure 2-5 Point-to-Point Wiring Diagram, Single Phase, 17/18 kW Models, GM52541
TP-6516 4/09 Section 2 Wiring Diagrams 33
Notes
34 Section 2 Wiring Diagrams TP-6516 4/09
Appendix A Abbreviations
The following list contains abbreviations that may appear in this publication.
A, amp ampere
ABDC
AC
A/D
ADC after bottom dead center alternating current analog to digital adj.
ADV advanced digital control; analog to digital converter adjust, adjustment advertising dimensional drawing
Ah
AHWT
AISI amp-hour anticipatory high water temperature
American Iron and Steel
Institute
ALOP alt.
Al
ANSI
AO
APDC
API approx.
approximate, approximately
AQMD Air Quality Management District
AR as required, as requested
AS anticipatory only
Air Pollution Control District
American Petroleum Institute
ASE
ASME as supplied, as stated, as suggested
American Society of Engineers
American Society of
Mechanical Engineers assy.
ASTM anticipatory low oil pressure alternator aluminum
American National Standards
Institute (formerly American
Standards Association, ASA)
ATDC
ATS auto.
aux.
assembly
American Society for Testing
Materials after top dead center automatic transfer switch automatic auxiliary avg.
AVR
AWG
AWM bat.
BBDC
BC
BCA
BCI average automatic voltage regulator
American Wire Gauge appliance wiring material battery before bottom dead center battery charger, battery charging battery charging alternator
Battery Council International
BDC
BHP before dead center brake horsepower blk.
black (paint color), block
(engine) blk. htr.
block heater
BMEP bps br.
brake mean effective pressure bits per second brass
BTDC
Btu before top dead center
British thermal unit
Btu/min.
British thermal units per minute
C cal.
CAN
CARB
CB cc
Celsius, centigrade calorie controller area network
California Air Resources Board circuit breaker cubic centimeter
CCA ccw.
CEC cert.
cfh cold cranking amps counterclockwise
Canadian Electrical Code certificate, certification, certified cubic feet per hour cfm
CG
CID
CL cm
CMOS cubic feet per minute center of gravity cubic inch displacement centerline centimeter complementary metal oxide substrate (semiconductor) cogeneration cogen.
com coml communications (port) commercial
Coml/Rec Commercial/Recreational conn.
cont.
CPVC crit.
CRT
CSA connection continued chlorinated polyvinyl chloride critical cathode ray tube
Canadian Standards
Association
CT
Cu cUL
CUL cu. in.
cw.
CWC cyl.
D/A
DAC dB dB(A)
DC
DCR deg.,
° dept.
current transformer copper
Canadian Underwriter’s
Laboratories
Canadian Underwriter’s
Laboratories cubic inch clockwise city water-cooled cylinder digital to analog digital to analog converter decibel decibel (A weighted) direct current direct current resistance degree department
DFMEA Design Failure Mode and
Effects Analysis dia.
DI/EO diameter dual inlet/end outlet
DIN
DIP
DPDT
Deutsches Institut fur Normung e. V. (also Deutsche Industrie
Normenausschuss) dual inline package double-pole, double-throw
DPST
DS
DVR e.g.
EG
EGSA double-pole, single-throw disconnect switch digital voltage regulator
E, emer.
emergency (power source)
ECM electronic control module, engine control module
EDI
EFR electronic data interchange emergency frequency relay for example (exempli gratia) electronic governor
EIA
EI/EO
EMI
Electrical Generating Systems
Association
Electronic Industries
Association end inlet/end outlet electromagnetic interference emiss.
eng.
EPA
EPS
ER
ES
ESD emission engine
Environmental Protection
Agency emergency power system emergency relay engineering special, engineered special electrostatic discharge
TP-6516 4/09 Appendix 35 freq.
FS ft.
ft. lb.
ft./min.
ftp g ga.
gal.
gen.
genset
GFI est.
E-Stop etc.
exh.
ext.
F fglass.
FHM fl. oz.
flex.
estimated emergency stop et cetera (and so forth) exhaust external
Fahrenheit, female fiberglass 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
GND, gov.
gph gpm gr.
GRD ground governor gallons per hour gallons per minute grade, gross equipment ground gr. wt.
gross weight
H x W x D height by width by depth
HC hex cap
HCHT
HD
HET hex high cylinder head temperature heavy duty high exhaust temp., high engine temp.
hexagon
Hg
HH
HHC
HP hr.
HS hsg.
HVAC mercury (element) hex head hex head cap horsepower hour
HWT
Hz
IC
ID heat shrink housing heating, ventilation, and air conditioning high water temperature hertz (cycles per second) integrated circuit inside diameter, identification
IEC
IEEE
International Electrotechnical
Commission
Institute of Electrical and
Electronics Engineers improved motor starting IMS in.
inch in. H 2 in. Hg
O inches of water inches of mercury in. lb.
Inc.
ind.
J
JIS inch pounds incorporated industrial int.
internal int./ext.
internal/external
I/O input/output
IP
ISO iron pipe
International Organization for
Standardization joule
Japanese Industry Standard
k
K kA
KB
KBus kg kg/cm
2 kgm kg/m
3 kHz kilo (1000) kelvin kiloampere kilobyte (2
10 bytes)
Kohler communication protocol kilogram kilograms per square centimeter kilogram-meter kilograms per cubic meter kilohertz kJ kilojoule km kilometer kOhm, k Ω kilo-ohm kPa kilopascal kph kV kilometers per hour kilovolt kVA kVAR kW kWh kWm kWth kilovolt ampere kilovolt ampere reactive kilowatt kilowatt-hour kilowatt mechanical kilowatt-thermal
L
LAN liter local area network
L x W x H length by width by height lb.
lbm/ft
3
LCB pound, pounds pounds mass per cubic feet line circuit breaker
LP
LPG
LS
L wa
LWL
LWT
LCD liquid crystal display ld. shd.
load shed
LED
Lph light emitting diode liters per hour
Lpm
LOP liters per minute low oil pressure liquefied petroleum liquefied petroleum gas left side sound power level, A weighted low water level low water temperature m
M meter, milli (1/1000) mega (10
6 when used with SI m
3 m m
3
3
/hr.
/min.
units), male cubic meter cubic meters per hour cubic meters per minute mA man.
milliampere manual max.
MB
MCCB maximum megabyte (2
20 bytes) molded-case circuit breaker
MCM one thousand circular mils meggar megohmmeter
MHz mi.
mil min.
misc.
MJ megahertz mile one one-thousandth of an inch minimum, minute miscellaneous megajoule mJ millijoule mm millimeter mOhm, m
Ωmilliohm
MOhm, M Ωmegohm
MOV metal oxide varistor
MPa mpg megapascal miles per gallon mph
MS ms m/sec.
MTBF miles per hour military standard millisecond meters per second mean time between failure psi psig pt.
PTC
PTO
PVC qt.
qty.
R
OV oz.
p., pp.
PC
PCB pF
PF ph., ∅
PHC
MTBO mtg.
MTU
MW mean time between overhauls mounting
Motoren-und Turbinen-Union megawatt mW
μF milliwatt microfarad
N, norm.
normal (power source)
NA not available, not applicable nat. gas natural gas
NBS National Bureau of Standards
NC
NEC
NEMA normally closed
National Electrical Code
National Electrical
Manufacturers Association
NFPA
Nm
NO no., nos.
number, numbers
NPS National Pipe, Straight
NPSC National Pipe, Straight-coupling
NPT
National Fire Protection
Association newton meter normally open
NPTF
NR
National Standard taper pipe thread per general use
National Pipe, Taper-Fine not required, normal relay ns
OC
OD
OEM nanosecond overcrank outside diameter original equipment manufacturer
OF opt.
OS
OSHA
PHH
PHM
PLC
PMG pot ppm
PROM overfrequency option, optional oversize, overspeed
Occupational Safety and Health
Administration overvoltage ounce page, pages personal computer printed circuit board picofarad power factor phase
Phillips r head Crimptiter
(screw)
Phillips r hex head (screw) pan head machine (screw) programmable logic control permanent magnet generator potentiometer, potential parts per million 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 rad.
RAM
RDO radiator, radius random access memory relay driver output ref.
rem.
reference remote
Res/Coml Residential/Commercial
RFI
RH
RHM rly.
radio frequency interference round head round head machine (screw) relay
SPDT
SPST spec specs sq.
sq. cm sq. in.
SS std.
stl.
tach.
TD
TDC
TDEC
TDEN
TDES
TDNE scfm
SCR s, sec.
SI
SI/EO sil.
SN
SNMP rms rnd.
ROM rot.
rpm
RS
RTU
RTV
RW
SAE
VDC
VFD
VGA
VHF
W
WCR w/ w/o wt.
xfmr
UF
UHF
UL
UNC
UNF univ.
US
UV
V
VAC
VAR
TDOE
TDON temp.
term.
THD
TIF
TIR tol.
turbo.
typ.
root mean square round read only memory rotate, rotating revolutions per minute right side 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 serial number simple network management protocol single-pole, double-throw single-pole, single-throw specification specification(s) square square centimeter square inch stainless steel standard steel tachometer 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 total indicator reading tolerance turbocharger typical (same in multiple locations) underfrequency ultrahigh frequency
Underwriter’s Laboratories, Inc.
unified coarse thread (was NC) unified fine thread (was NF) universal 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 without weight transformer
36 Appendix TP-6516 4/09
Notes
TP-6516 4/09 37
Notes
38 TP-6516 4/09
TP-6516 4/09d
E 2007, 2008, 2009 by Kohler Co. All rights reserved.
KOHLER CO. Kohler, Wisconsin 53044
Phone 920-565-3381, Fax 920-459-1646
For the nearest sales/service outlet in the
US and Canada, phone 1-800-544-2444
KohlerPower.com
Kohler Power Systems
Asia Pacific Headquarters
7 Jurong Pier Road
Singapore 619159
Phone (65) 6264-6422, Fax (65) 6264-6455

Public link updated
The public link to your chat has been updated.
Advertisement
Key features
- Automatic transfer switch (ATS) compatible for seamless power backup
- Enclosed design for reduced noise and emissions
- Compact size and ease of installation
- Digital controller for advanced monitoring and control
- EPA-compliant for environmental protection
- Optional accessories for customization and enhanced functionality