Install Manual

ManualsBrandsCummins Power Generation ManualsLiquid-CooledCummins RS40 Quiet Connect™ Series 40kW Standby Power Generator (120/240V Single-Phase)

Table Of Contents

English

Original Instructions

2-2016 A045R241 (Issue 7)

InstallationInstallation ManualManual

QSJ2.4 Engine with PowerCommand®

1.1 Control

C20 N6 (Spec A), C22 N6 (Spec A)

C25 N6 (Spec A), C30 N6 (Spec A)

C36 N6 (Spec A), C40 N6 (Spec A)

C30 N6H (Spec A), C36 N6H (Spec A)

C40 N6H (Spec A), C45 N6H (Spec A)

C50 N6H (Spec A), C60 N6H (Spec A)

Summary of content (112 pages)

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Installation Manual QSJ2.4 Engine with PowerCommand® 1.
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Table of Contents 1. IMPORTANT SAFETY INSTRUCTIONS ....................................................................................... 1.1 Warning, Caution, and Note Styles Used in This Manual ...................................................... 1.2 General Information ................................................................................................................ 1.3 General Precautions ...................................................................................................
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Table of Contents 2-2016 APPENDIX C. SEISMIC REQUIREMENTS.................................................................................... C.1 Seismic Installation Instructions ......................................................................................... Copyright © 2016 Cummins Inc.
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1 Important Safety Instructions SAVE THESE INSTRUCTIONS. This manual contains important instructions for the generator set. Follow these instructions during installation, operation, and maintenance of the generator set and batteries. Thoroughly read the Operator Manual before operating the generator set. Safe operation and top performance can only be obtained when the equipment is properly operated and maintained. 1.
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1. Important Safety Instructions 2-2016 NOTICE It is in the operator's interest to read and understand all warnings and cautions contained in the documentation relevant to the generator set operation and daily maintenance. 1.3 General Precautions • Keep ABC fire extinguishers accessible. • Make sure that all fasteners are secure and torqued properly. • Keep the generator set and its compartment clean. Do not store any items in the generator set compartment.
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2-2016 1. Important Safety Instructions General Safety Precautions WARNING Hot Pressurized Liquid Contact with hot liquid can cause severe burns. Do not open the pressure cap while the engine is running. Let the engine cool down before removing the cap. Turn the cap slowly and do not open it fully until the pressure has been relieved. WARNING Moving Parts Moving parts can cause severe personal injury. Use extreme caution around moving parts.
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1. Important Safety Instructions 2-2016 WARNING High Noise Level Generator sets in operation emit noise, which can cause hearing damage. Wear appropriate ear protection at all times. WARNING Hot Surfaces Contact with hot surfaces can cause severe burns. Wear appropriate PPE when working on hot equipment and avoid contact with hot surfaces.
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2-2016 1. Important Safety Instructions WARNING Fire Hazard Materials drawn into the generator set are a fire hazard. Fire can cause severe burns or death. Make sure the generator set is mounted in a manner to prevent combustible materials from accumulating under the unit. WARNING Fire Hazard Accumulated grease and oil are a fire hazard. Fire can cause severe burns or death. Keep the generator set and the surrounding area clean and free from obstructions. Repair oil leaks promptly.
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1. Important Safety Instructions 2-2016 • This generator set and the public utility may only be connected to house circuits by means of the automatic transfer switch. CAUTION Improper connections can lead to electrocution of utility workers and damage to equipment. Make sure that the connections are installed properly by a trained technician. • Use caution when working on live electrical equipment. Remove jewelry, and make sure clothing and shoes are dry. Stand on a dry wooden platform. 1.
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2-2016 1. Important Safety Instructions WARNING Combustible Gases Batteries can explode, causing severe skin and eye burns, and can release toxic electrolytes. Do not dispose of the battery in a fire, because it is capable of exploding. Do not open or mutilate the battery. WARNING Electric Shock Hazard Batteries present the risk to high short circuit current. Remove watches, rings, or other metal objects. Use tools with insulated handles.
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1. Important Safety Instructions 1.9 2-2016 The Hazards of Carbon Monoxide Carbon monoxide (CO) is an odorless, colorless, tasteless and non-irritating gas. You cannot see it or smell it. Red blood cells, however, have a greater affinity for CO than for oxygen. Therefore, exposure even to low levels of CO for a prolonged period can lead to asphyxiation (lack of oxygen) resulting in death.
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2 Introduction This generator set is intended for stationary installation for emergency use only. 2.1 About This Manual This manual is a guide for the installation of the generator set models listed on the front cover. Proper installation is essential for top performance, reliable operation, and safety. Read through this manual before starting the installation. This manual covers outdoor applications only.
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2. Introduction 2-2016 Icon Description Indicates an installation or assembly procedure. Lubricate the part or assembly. Indicates a mechanical or time measurement. Refer to another publication for additional information. Indicates a removal or disassembly step. Tighten to a specific torque. Indicates parts or tools required. Indicates that the component is heavy (50 lb or 23 kg or more). To reduce the possibility of personal injury, use a hoist or get assistance to lift. 2.
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2-2016 2. Introduction The relevant manuals appropriate to your generator set are also available. The documents below are in English: • Service Manual (A045R243) • Parts Manual (A046Z094) • EControls, Inc.
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2. Introduction 2.5 2-2016 Model Specifications TABLE 1. 2.4L MODEL VARIATIONS Models Description C20 N6, C22 N6, C25 N6, C30 N6, C36 N6, C40 N6 60 Hz, 1800 RPM C30 N6H, C36 N6H, C40 N6H, C45 N6H, C50 N6H, C60 N6H 60 Hz, 3600 RPM TABLE 2. COLD WEATHER SPECIFICATIONS (ALL MODELS) Temperature Description Battery Type Group Above 40 °F (4 °C) No starting aids required. Standard 26 0 to 40 °F (-17 to 4 °C) Additional coolant heater and battery charger recommended for starting.
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2-2016 2. Introduction C20 N6 C22 N6 C25 N6 C30 N6 C36 N6 C40 N6 6 - 12 inch water column (1.5 - 3.0 kPa) Maximum pressure under any condition: 13 inch water column (3.2 kPa) Fuel Pressure TABLE 4. FUEL SPECIFICATIONS 60 HZ, 3600 RPM C30 N6H C36 N6H C40 N6H C45 N6H C50 N6H C60 N6H Full Load (Propane) 195.5 scfh 490,000 BTU/hr 219.6 scfh 550,000 BTU/hr 236.2 scfh 595,000 BTU/hr 256.9 scfh 645,000 BTU/hr 289.5 scfh 725,000 BTU/hr 324.6 scfh 820,000 BTU/hr Full load (Natural Gas) 476.
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2. Introduction 2-2016 TABLE 7. GENERATOR SET WEIGHT (POUNDS) 60 HZ, 1800 RPM C20 N6 C22 N6 C25 N6 C30 N6 C36 N6 C40 N6 1109 1109 1147 1279 1356 1424 Sound Level 1 (Wet) TABLE 8. GENERATOR SET WEIGHT (POUNDS) 60 HZ, 3600 RPM C30 N6H C36 N6H C40 N6H C45 N6H C50 N6H C60 N6H 1134 1249 1399 1399 1399 1429 Sound Level 1 (Wet) TABLE 9.
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2-2016 2. Introduction TABLE 11. GENERATOR SET DERATING GUIDELINES Engine Power Available Up To... Model Fuel Elevation Ambient Temperature C20 N6 NG, LP 3300 ft (1005 m) 104 °F (40 °C) C22 N6 NG 2200 ft (670.
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2. Introduction 2-2016 TABLE 12. CONTROL SPECIFICATIONS (ALL MODELS) Specification Control Integrated microprocessor based engine, generator, transfer switch control TABLE 13.
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2-2016 2. Introduction Refer to the RA Series Transfer Switch Owner Manual (A046S594) for more detailed information. The RA Series transfer switch is the recommended ATS for use with these generators. A045R241 (Issue 7) 17 Copyright © 2016 Cummins Inc.
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3 Pre-Installation Considerations Before installation begins, certain items must be considered. Prior coordination reduces delays and the amount of time power has to be interrupted. Areas of consideration: No. Description No. Description 1 Generator Set 4 Electrical Meter 2 Propane Tank 5 Natural Gas Meter 3 Transfer Switch FIGURE 2.
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3. Pre-Installation Considerations 2-2016 • Minimum distance from the propane tank fill (verify the legal minimum distance with local code officials) • Accessories required (if any) for the customer's application (utility power may be required at the generator set; make plans accordingly) NOTICE Depending on the locality and use of the generator set, it may be necessary to obtain an air quality emissions permit before installation begins.
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2-2016 3. Pre-Installation Considerations Code or Standard Organization California Administrative Code - Title 25 Chapter 3 State of California Documents Section P.O. Box 1015 North Highlands, CA 95660 3.3 Required Items for Installation Tools and materials are used for the installation of this generator set. These items are identified in the following sections. Please refer to local codes and standards, because they may affect the materials required.
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3. Pre-Installation Considerations 2-2016 ◦ DC control or AC sense wires 1000-2000 feet circuit length => 16-14 AWG of the insulation type below • All AC and DC wires and cables shall be rated 75 °C minimum, stranded copper, and rated for wet locations.
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2-2016 3.4 3. Pre-Installation Considerations Transfer Switch Mounting 1. Consider the location before mounting the transfer switch. • Consider the proximity to the utility service entrance and breaker panel. There must be a service disconnect (circuit breaker or fuses) in the power line ahead of the transfer switch, unless a service entrance rated automatic transfer switch is being used. • Keep safety concerns in mind. Never mount the transfer switch near hazardous chemicals or gases.
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4 Installation NOTICE The installer is responsible for complying with all applicable installation codes and safety requirements. See the Installation Codes and Standards for Safety section of this manual for more information. The following sections cover a step-by-step overview of a typical generator set installation. Review these sections to become familiar with specific procedures and important safety precautions before beginning the installation. 4.
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4. Installation 2-2016 No. Description 1 No. Description Cool Air In 2 FIGURE 3. Hot Air Out GENERATOR SET LOCATION Generator set location is critical for safety and performance. Follow the guidelines below: • Must comply with applicable codes (NFPA, NEC, IBC, etc.). • Install outdoors only. For other applications, contact your local Cummins dealer or reference the Application Manual at the following link: http://www.cumminspower.com/www/literature/applicationmanuals/t030.
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2-2016 4. Installation • Position the generator set so that cooling air is free to enter and leave the area. • Locate and position the generator set so that prevailing winds carry exhaust gases and potential fuel leaks away from the house or occupied area. No. Description 1 5 ft Clearance (Shaded Area) FIGURE 4. CLEARANCES Laying the Foundation When laying the foundation: 1. Clear obstructions, and make sure that there is adequate clearance for access. 2.
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4. Installation 2-2016 4. Lift the generator set onto the pad, and secure it. No. Description No. Description 1 Pad Thickness (Minimum 5 in) 5 Accessory 120 VAC, 20A Max Wire Stub-Up 2 Pad Width (Must Extend Minimum 6 in Beyond Skid) 6 Circuit Breaker 2 Stub-Up (Dual Circuit Breaker) 3 Pad Length (Must Extend Minimum 6 in Beyond Skid) 7 Circuit Breaker 1 Stub-Up (Standard) 4 Generator Set Control Wire Stub-Up (DC) FIGURE 5.
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2-2016 4. Installation CAUTION The generator set is shipped with oil in the engine crankcase. Keep the generator set upright. Mounting the Generator Set Positioning of cast-in bolts can be problematic since even small errors in location can cause time consuming redrilling of the skid base. Some generator set designs allow use of concrete anchor bolts. Mount the generator set on a substantial and level base such as a concrete pad. A non-combustible material must be used for the pad.
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4. Installation 2-2016 In all fuel system installations, cleanliness is extremely important. • Make every effort to prevent fuel contamination from: ◦ Moisture ◦ Dirt ◦ Excess thread sealant ◦ Contaminants of any kind • Clean all fuel system components before installing. Gaseous-fuel supply system design, materials, components, fabrication, assembly, installation, testing, inspection, operation, and maintenance must comply with the applicable codes. See NFPA Standards No. 37, 54, and 58.
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2-2016 4. Installation Component Description Fuel Pipe Size The length of the fuel supply pipe from the gas service entrance to the generator set must be known to determine the correct fuel pipe size. Refer to the charts in the Fuel Line Selection appendix. Iron pipe must be a minimum of schedule 40 subject to the authority having jurisdiction. Flexible Fuel Line Protects the fuel system from vibration, expansion, and contraction. WARNING Fuel leaks can lead to explosive accumulations of gas.
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4. Installation 2-2016 Use the total load requirement of the generator set to determine the size of the fuel supply pipe. Use the tables and charts in the Fuel Line Selection appendix to determine the correct pipe size. An older site might require upgrading and repair of the gas supply system. Schedule an upgrade or repair to minimize power and gas supply interruptions. Make sure the full load fuel supply pressure at the inlet to the generator fuel shutoff valves is set at 6 - 12 inch water column (1.
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2-2016 4. Installation Component Description Secondary Regulator Located near the generator set, the secondary regulator reduces the higher line pressure to a working pressure of 6 - 12 inch water column (1.5 - 3.0 kPa). Higher pressure before the secondary regulator is necessary to ensure that there is enough fuel available at the secondary regulator for a fully loaded generator set. Fuel Line Connects to the fuel supply.
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4. Installation 2-2016 WARNING Fuel leaks can lead to explosive accumulations of gas. Propane sinks in air and can accumulate inside housings, basements and other below-grade spaces. Prevent gas leaks and the accumulation of gaseous fuel in the event of a leak. Use clean, fresh HD-5 grade propane or equivalent product consisting of at least 90% propane. NOTICE NFPA Standard No. 58 requires all persons handling and operating propane to be trained in proper handling and operating procedures.
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2-2016 4. Installation • Approximately 60% of the fuel (in gallons) filled in the tank can be effectively used. Therefore, a 500-gallon (1892-liter) tank results in 240gallon (908-liter) usable capacity. To assist in the proper installation of the propane tank, follow the guidelines below. • Consult your tank and propane supplier for assistance in all aspects of determining tank size, selection of components and installation requirements.
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4. Installation 2-2016 2. Determine fuel requirements at full load. See the Model Specifications section to determine the fuel flow requirements. 3. Determine equivalent length of fuel line fittings required. See the NFPA Pipe Fittings table in the Fuel Line Selection appendix to determine the equivalent lengths for elbows, tees, and valves. Add this length to fuel line length to determine total equivalent length. 4. Determine required fuel line size at full load.
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2-2016 4. Installation WARNING Fuel presents the hazard of explosion or fire which can result in severe personal injury or death. Do not use an open flame to check for leaks. Do not smoke or allow any flame, spark, pilot light, arc-producing equipment, switch or other ignition sources around fuel or fuel components. Keep multi-class ABC fire extinguishers handy. NOTICE Follow any local codes and standards, as they may require a different method or documentation of a leak test.
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4. Installation 4.4 2-2016 Electrical Connections WARNING Improper installation can lead to electrocution and damage to property. Electrical connections must be made by a licensed electrician. WARNING Automatic startup of the generator set during installation can cause severe personal injury or death. Make sure the generator set is shut down and disabled: 1. Press the generator set's "O" (Off) button to stop the generator set. Allow the generator set to thoroughly cool to the touch. 2.
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2-2016 4. Installation NOTICE When using a circuit breaker with an adjustable, electronic trip unit, the amperage and trip curve settings may need adjustment to match the generator set load wiring, or downstream loads and circuit breakers. An accessory seal kit (part number A026M166 is available to tamper-proof the adjustable settings. For grounding and neutral connections, look for the following symbols on the generator set circuit breaker box. Equipment Grounding Conductor Symbol FIGURE 8.
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4. Installation 2-2016 FIGURE 9. CIRCUIT BREAKER AC LOAD CONNECTIONS LOCATION For connection to the generator set, AC load connections are made in the circuit breaker box. To access: 1. Remove the enclosure side panel to gain access to main circuit breaker box. 2. Place the circuit breaker handle in the OFF position. 3. Remove the four bolts holding the circuit breaker cover. 4. Install the conductors to the circuit breaker load-side terminals, neutral lug, and equipment grounding lug. 5.
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2-2016 4. Installation 8. Fill in the stub-up openings with an approved duct seal or mastic tape to keep out insects and rodents. 9. Install the circuit breaker cover. Automatic Transfer Switch AC Connections WARNING Failure to use an approved transfer switch can lead to the electrocution of personnel working on the utility lines, damage to equipment, fire, or personal injury. An approved switching device must be used to prevent interconnection to the public utility.
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4. Installation 2-2016 FIGURE 10. RA SERIES TRANSFER SWITCH AC CONNECTIONS LOCATION Factory Option and Accessory Connections NOTICE Use copper conductors only. AC powered options or accessories available: • Battery charger • Engine coolant heater Copyright © 2016 Cummins Inc.
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2-2016 4. Installation • Alternator heater • Battery warmer • CCV heater No. Description 1 AC Distribution Connector(s) The battery charger, engine coolant heater, alternator heater, CCV heater, and battery warmer require power from a 120 VAC, 20 amp protected circuit from the Main Distribution Panel. Use 12 AWG 167 °F (75 °C) conductors to make connection to the generator set AC distribution connector. FIGURE 11.
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4. Installation 2-2016 FIGURE 12. DC CUSTOMER CONNECTIONS Automatic Transfer Switch DC Connections WARNING Failure to use an approved transfer switch can lead to the electrocution of personnel working on the utility lines, damage to equipment, fire, or personal injury. An approved switching device must be used to prevent interconnection to the public utility. Copyright © 2016 Cummins Inc.
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2-2016 4. Installation Install the transfer switch in accordance with the RA Series Transfer Switch Owner Manual. The following image shows the location of the Cummins RA Series Transfer Switch customer connections. NOTICE Class 1 wiring methods should be used for connecting the generator set and transfer switch signal wiring. FIGURE 13. A045R241 (Issue 7) RA SERIES TRANSFER SWITCH DC CONNECTIONS LOCATION 45 Copyright © 2016 Cummins Inc.
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4. Installation 2-2016 No. Description No. Description 1 DC Circuit Connectors 5 Remote Start 2 DC Customer Connections (within Dotted Line Box) 6 Fuse B+ (5A) 3 1302 Control 7 Ready to Load 4 Ground (B-) 8 RA Transfer Switch Terminal Block FIGURE 14.
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2-2016 4. Installation figure below for available drilling space for conduit holes in the side of the chassis. Holes up to 3 (7.6 cm) inches in diameter can be made in the chassis in the areas shown. Exceeding 3 (7.6 cm) inches in diameter may cause failure of the chassis. Comply with NEC and local codes and standards for installation of wires for electrical circuits. Refer to NEC standards for required wire bend radius and ampacity of load leads. No. Description No.
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4. Installation 2-2016 No. Description 1 No. Description Circuit Breaker FIGURE 16. 2 Maximum 3 in. Bend Radius Gap CABLING ROOM FOR CIRCUIT BREAKER Grounding NOTICE The generator set is shipped from the factory with the neutral and equipment ground not bonded together. Refer to local codes and standards for grounding procedures. Battery The generator set requires a 12V battery (negatively grounded) for engine cranking and powering the electronic control system.
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2-2016 4. Installation To prevent injury due to accidental startup: • Do not connect the battery cables to the battery until the installation has been completed; • Make sure tools, rags, and body parts are kept away from any rotating parts or electrically live parts; and • Make sure it is time to start the generator set. NOTICE Ensure that the AC power to the battery charger is disconnected when installing the battery. NOTICE Wear proper safety protection when working around batteries.
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5 Startup and Configuration 5.1 Exercise Settings NOTICE When battery power is lost, these settings must be reset. NOTICE Not applicable without a single phase RA series transfer switch. To access the Clock/Exerciser Menu: 1. From any Information Menu, hold down the up and down arrows simultaneously for two seconds. The Service Menu appears. 2. Navigate through the screens to find and select Clock/Excr in the Service Menu.
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2-2016 5. Startup and Configuration Updating Exercise Frequency NOTICE Not applicable without a single phase RA series transfer switch. To update the exercise frequency and dates on the Clock/Exerciser Menu: 1. From any Information Menu, hold down the up and down arrows simultaneously for two seconds. The Service Menu appears. 2. Access the Time Setup screen by selecting Clock Exerciser on the Genset Service Menu. 3. Press the down key on the Time Setup screen to access the Daylight Saving Adjust screen.
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5. Startup and Configuration FIGURE 19. 2-2016 EXERCISE FREQUENCY NAVIGATION Updating Exercise Duration NOTICE Not applicable without a single phase RA series transfer switch. To update the exercise duration on the Clock/Exerciser Menu: 1. From any Information Menu, hold down the up and down arrows simultaneously for two seconds. The Service Menu appears. 2. Access the Time Setup screen by selecting Clock Exerciser on the Genset Service Menu. 3.
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2-2016 5. Startup and Configuration • Press Save to save any changes. After saving, the Save button changes to the Adjust button. FIGURE 20. 5.2 EXERCISE DURATION NAVIGATION Time Setup NOTICE When battery power is lost, these settings must be reset. NOTICE Not applicable without a single phase RA series transfer switch. To set up the generator set clock for the current date and time: 1. From any Information Menu, hold down the up and down arrows simultaneously for two seconds.
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5. Startup and Configuration 2-2016 • Press Save to save any changes. After saving, the Save button changes to the Adjust button. FIGURE 21. TIME SETUP SCREEN Updating Daylight Saving Adjust Screen To update the Time and Adjustment on the Daylight Saving Adjust screen: 1. From any Information Menu, hold down the up and down arrows simultaneously for two seconds. The Service Menu appears. 2. Access the Time Setup screen by selecting Clock Exerciser on the Genset Service Menu. 3.
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2-2016 5. Startup and Configuration FIGURE 22. DAYLIGHT SAVING ADJUST SCREEN NAVIGATION To access and update the Daylight Saving Adjust Start screen: 1. Press the down key on the Daylight Saving Adjust screen. 2. Press Adjust. When updating these settings, the functions of the keys are as follows: • The horizontal right arrow key is used to select successive blocks for editing settings on the screen.
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5. Startup and Configuration FIGURE 23. 2-2016 DAYLIGHT SAVING ADJUST START SCREEN To access and update the Daylight Saving Adjust End screen: 1. Press the down key on the Daylight Saving Adjust Start screen. 2. Press Adjust. When updating these settings, the functions of the keys are as follows: • The horizontal right arrow key is used to select successive blocks for editing settings on the screen.
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2-2016 5. Startup and Configuration FIGURE 24. 5.3 DAYLIGHT SAVING ADJUST END SCREEN Brightness and Contrast The Screen Adjust screen allows the contrast, brightness, and units to be set. To access the Screen Adjust screen: 1. From any Information screen, hold down the up and down arrows simultaneously for two seconds to gain access to the Service Menu screen. 2. Select Screen Adjust. To adjust the contrast, brightness, or units from the Screen Adjust screen: 1.
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5. Startup and Configuration 2-2016 NOTICE The following screens represent the standard operator panel (HMI211). If using an in-home operator panel, which may be additionally purchased as an option, the screens may look slightly different. This procedure applies to both operator panels. FIGURE 25. BRIGHTNESS AND CONTRAST SCREEN NAVIGATION Copyright © 2016 Cummins Inc.
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2-2016 5. Startup and Configuration NOTICE Adjusting the brightness on the operator panel adjusts the brightness of both the LCD backlight and the LEDs on the display. The contrast should never be 0 or 100% on any of the screens. The default value for Brightness is 50%. 5.4 History and About Menu To access the History/About screen: 1. From any Information Menu, hold down the up and down arrows simultaneously for two seconds. The Service Menu appears. 2. Select History/About. 3.
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2-2016 5.5 5. Startup and Configuration Installation Checklist Tick Item General Generator set wattage capacity is sufficient to handle maximum anticipated load. At least 5 feet of clearance to combustible materials is provided. At least 3 feet of clearance is provided around the entire generator set for service and ventilation. The generator set is located in an area not subject to flooding.
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5. Startup and Configuration 2-2016 Tick Item All load, line and generator connections are well made and correct. Generator Set Pre-Start A safety check was performed just before starting. The generator set engine is properly serviced with oil and coolant. The battery is properly installed, serviced and charged. The battery charger and engine coolant heater are connected and operational, if applicable. All generator set covers and safety shields are installed correctly. The fuel supply is turned on.
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2-2016 5.7 5. Startup and Configuration InPower Service Tool The InPowerTM service tool can be used in troubleshooting to perform tests, verify control inputs and outputs, and test protective functions. Refer to the InPower User's Guide, provided with the InPower software for test procedures. Disabling the AMF Feature NOTICE This procedure must be performed by a qualified technician. On single-phase units, the control is shipped with the Automatic Mains Failure (AMF) feature enabled.
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Appendix A. Fuel Line Selection Table of Contents Table 18. Equivalent Lengths of Pipe Fittings and Valves in Feet (Meters) ........................................... 69 Table 20. Natural Gas Schedule 40 Metallic Pipe Sizing .......................................................................... 71 Table 22. Natural Gas Semirigid Copper Tubing Sizing ........................................................................... 73 Table 24. Propane Vapor Schedule 40 Metallic Pipe Sizing ...................
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Appendix A. Fuel Line Selection A.0 2-2016 Fuel System Pipe Sizing Introduction Incorrect fuel line size may cause the generator set to not run or provide full power output. Tables are included in this section to help calculate pipe sizing for natural gas and propane vapor withdrawal under specified conditions. Consult NFPA 54 or other applicable codes for other operating conditions or other fuel system installation requirements.
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2-2016 Appendix A. A.1 Fuel Line Selection Gas Pipe Sizing NOTICE The following tables in this section are reprinted with permission from NFPA 54-2015, National Fuel Gas Code, Copyright © 2014, National Fire Protection Association.
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Appendix A. Fuel Line Selection 2-2016 Foot Valve and Strainer 3.7 4.9 7.5 (1.1) (1.5) (2.3) 8.9 (2.7) 11.0 (3.4) 15.0 (4.6) 18.0 (5.5) 22.0 (6.7) 29.0 (8.8) Swing Check Valve, Fully Open 6.0 8.0 10.0 (1.8) (2.4) (3.0) 14.0 (4.3) 16.0 (4.9) 20.0 (6.1) 25.0 (7.6) 30.0 (9.1) 40.0 (12.2) Globe Valve, Fully Open 18.0 22.0 29.0 (5.5) (6.7) (8.8) 38.0 (11.6) 43.0 (13.1) 55.0 (16.8) 69.0 (21.0) 84.0 (25.6) 120.0 (36.6) Angle Valve, Fully 7.0 9.0 12.0 Open (2.1) (2.7) (3.7) 15.0 (4.
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2-2016 Appendix A. Fuel Line Selection TABLE 20. NATURAL GAS SCHEDULE 40 METALLIC PIPE SIZING Gas: Natural Inlet Pressure: Less than 2 psi Pressure Drop: 0.5 in. w.c. Specific Gravity: 0.60 Pipe Size (in.) Nominal 1⁄2 3⁄4 1 11⁄4 11⁄2 2 21⁄2 3 4 5 6 8 10 12 0.622 0.824 1.049 1.380 1.610 2.067 2.469 3.068 4.026 5.047 6.065 7.981 10.020 11.
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Appendix A.
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2-2016 Appendix A.
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Appendix A.
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2-2016 Appendix A. Fuel Line Selection 1,600 NA NA NA 13 18 38 68 108 224 1,700 NA NA NA 12 17 37 66 104 217 1,800 NA NA NA 12 17 36 64 101 210 1,900 NA NA NA 11 16 35 62 98 204 2,000 NA NA NA 11 16 34 60 95 199 NA: A flow of less than 10 cfh. Note: All table entries are rounded to 3 significant digits. *Table capacities are based on Type K copper tubing inside diameter (shown), which has the smallest inside diameter of the copper tubing products.
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Appendix A.
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2-2016 Appendix A. Pressure Drop: Fuel Line Selection 0.5 in. w.c. Specific Gravity: 1.50 INTENDED USE: Tube Sizing Between Single- or Second-Stage (Low-Pressure) Regulator and Appliance Tube Size (in.) Nominal 1⁄4 3⁄8 1⁄2 5⁄8 3⁄4 1 11⁄4 11⁄2 2 3⁄8 1⁄2 5⁄8 3⁄4 7⁄8 11⁄8 13⁄8 — — Outside: 0.375 0.500 0.625 0.750 0.875 1.125 1.375 1.625 2.125 Inside:* 0.305 0.402 0.527 0.652 0.745 0.995 1.245 1.481 1.959 K & L: Nominal ACR: Length (ft.
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Appendix A.
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2-2016 Appendix A. Equivalent Length of Pipe (ft.) Fuel Line Selection Schedule 40 Iron Pipe Size (in.): Nominal (Inside Diameter) 1/2 3/4 1 1 1/4 1 1/2 2 3 3 1/2 4 (0.622) (0.824 (1.049) (1.38) (1.61) (2.067) (3.068 (3.548) (4.
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Appendix A. Fuel Line Selection Equivalent Length of Pipe (ft.) 2-2016 Schedule 40 Iron Pipe Size (in.): Nominal (Inside Diameter) 1/2 3/4 1 1 1/4 1 1/2 2 3 3 1/2 4 (0.622) (0.824 (1.049) (1.38) (1.61) (2.067) (3.068 (3.548) (4.
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Appendix B. Outline and System Drawings Table of Contents Figure 28. Generator Set Outline, 20-25 kW 1800 RPM, 30 kW 3600 RPM (Sheet 1 of 2) ..................... 83 Figure 29. Generator Set Outline, 20-25 kW 1800 RPM, 30 kW 3600 RPM (Sheet 2 of 2) ..................... 84 Figure 30. Generator Set Outline, 30-40 kW 1800 RPM, 36-60 kW 3600 RPM (Sheet 1 of 2) ................ 85 Figure 31. Generator Set Outline, 30-40 kW 1800 RPM, 36-60 kW 3600 RPM (Sheet 2 of 2) ................ 86 Figure 32.
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Appendix C. Seismic Requirements Table of Contents Figure 46. Seismic Installation Specifications ........................................................................................ 103 Figure 47. Seismic Installation Notes ...................................................................................................... 104 Figure 48. Seismic Installation Requirements ........................................................................................
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Appendix C. Seismic Requirements 2-2016 The drawings included in this section are representative. For current complete information, refer to the drawing package that was shipped with the unit. Copyright © 2016 Cummins Inc.
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Copyright © 2016 Cummins Inc. All rights reserved. power.cummins.com Cummins Power Generation, the "C" logo, and Cummins are trademarks of Cummins Inc. PowerCommand, AmpSentry, InPower, and "Our energy working for you." are trademarks of Cummins Power Generation Inc. Other company, product, or service names may be trademarks or service marks of others. Specifications are subject to change without notice.