Generac 005030-0 (15kW), 005031-0 (25kW) owner manual Electrical Hazards, ‹ Standards Index

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Important Safety Instructions

Liquid-cooled 15, 20 and 25 kW Generators

ELECTRICAL HAZARDS

All generators covered by this manual produce dangerous electrical voltages and can cause fatal electrical shock. Utility power delivers extremely high and dangerous volt- ages to the transfer switch as well as the standby generator. Avoid contact with bare wires, terminals, connections, etc., on the generator as well as the transfer switch, if applicable. Ensure all appropriate covers, guards and barriers are in place before operating the generator. If work must be done around an operating unit, stand on an insulated, dry surface to reduce shock hazard.

Do not handle any kind of electrical device while standing in water, while barefoot, or while hands or feet are wet.

DANGEROUS ELECTRICAL SHOCK MAY RESULT.

If personnel must stand on metal or concrete while installing, operating, servicing, adjusting or repairing this equipment, place insulative mats over a dry wooden plat- form. Work on the equipment only while standing on such insulative mats.

The National Electrical Code (NEC), Article 250 requires the frame and external electrically conductive parts of the generator to be connected to an approved earth ground and/or grounding rods. This grounding will help prevent dangerous electrical shock that might be caused by a ground fault condition in the generator set or by static elec- tricity. Never disconnect the ground wire.

Wire gauge sizes of electrical wiring, cables and cord sets must be adequate to handle the maximum electrical current (ampacity) to which they will be subjected.

Before installing or servicing this (and related) equipment, make sure that all power voltage supplies are positively turned off at their source. Failure to do so will result in haz- ardous and possibly fatal electrical shock.

Connecting this unit to an electrical system normally sup- plied by an electric utility shall be by means of a transfer switch so as to isolate the generator electric system from the electric utility distribution system when the generator is operating. Failure to isolate the two electric system power sources from each other by such means will result in dam- age to the generator and may also result in injury or death to utility power workers due to backfeed of electrical ener- gy.

Generators installed with an automatic transfer switch will crank and start automatically when NORMAL (UTILITY) source voltage is removed or is below an acceptable preset level. To prevent such automatic start-up and possible injury to personnel, disable the generator’s automatic start circuit (battery cables, etc.) before working on or around the unit. Then, place a “Do Not Operate” tag on the genera- tor control panel and on the transfer switch.

In case of accident caused by electric shock, immediately shut down the source of electrical power. If this is not pos- sible, attempt to free the victim from the live conductor. AVOID DIRECT CONTACT WITH THE VICTIM. Use a nonconducting implement, such as a dry rope or board, to free the victim from the live conductor. If the victim is unconscious, apply first aid and get immediate medical help.

Never wear jewelry when working on this equipment. Jewelry can conduct electricity resulting in electric shock, or may get caught in moving components causing injury.

FIRE HAZARDS

Keep a fire extinguisher near the generator at all times. Do NOT use any carbon tetra-chloride type extinguisher. Its fumes are toxic, and the liquid can deteriorate wiring insu- lation. Keep the extinguisher properly charged and be familiar with its use. If there are any questions pertaining to fire extinguishers, consult the local fire department.

EXPLOSION HAZARDS

Do not smoke around the generator. Wipe up any fuel or oil spills immediately. Ensure that no combustible materials are left in the generator compartment, or on or near the generator, as FIRE or EXPLOSION may result. Keep the area surrounding the generator clean and free from debris.

These generator sets may operate using one of several types of fuels. All fuel types are potentially FLAMMABLE and/or EXPLOSIVE and should be handled with care. Comply with all laws regulating the storage and handling of fuels. Inspect the unit’s fuel system frequently and correct any leaks immediately. Fuel supply lines must be properly installed, purged and leak tested according to applicable fuel-gas codes before placing this equipment into service.

Gaseous fluids such as natural gas and liquid propane (LP) gas are extremely EXPLOSIVE. Natural gas is lighter than air, and LP gas is heavier than air; install leak detectors accordingly.

‹STANDARDS INDEX

In the absence of pertinent standards, codes, regulations and laws, the published information listed below may be used as installation guide for this equipment.

1.NFPA No. 37, STATIONARY COMBUSTION ENGINES AND GAS TURBINES, available from the National Fire Protection Association, 470 Atlantic Avenue, Boston, MA 02210.

2.NFPA No. 76A, ESSENTIAL ELECTRICAL SYSTEMS FOR HEALTH CARE FACILITIES, available same as Item 1.

3.NFPA No. 54, NATIONAL FUEL GAS CODE, available same as Item 1.

4.NFPA No. 58, AMERICAN NATIONAL STANDARD FOR STORAGE AND HANDLING OF LIQUEFIED PETROLE- UM GAS, available same as Item 1.

5.NFPA No. 70, NFPA HANDBOOK OF NATIONAL ELEC- TRIC CODE, available same as Item 1.

6.Article X, NATIONAL BUILDING CODE, available from the American Insurance Association, 85 John Street, New York, N.Y. 10038.

7.AGRICULTURAL WIRING HANDBOOK, available from the Food and Energy Council, 909 University Avenue, Columbia, MO 65201.

8.ASAE EP-3634, INSTALLATION AND MAINTENANCE OF FARM STANDBY ELECTRICAL SYSTEMS, available from the American Society of Agricultural Engineers, 2950 Niles Road, St. Joseph, MI 49085.

9.NFPA No. 30, FLAMMABLE AND COMBUSTIBLE LIQ- UIDS CODE, available same as Item 1.

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Contents This manual should remain with the unit ‹ Operation and Maintenance Authorized Service Dealer Location‹ HOW to Obtain Service IntroductionTable of Contents General Hazards ‹ Standards Index Electrical HazardsAutomatic Transfer Switch ATS Mode Transfer SwitchEngineered Transfer Switch Wire Start GTS Mode Generator‹ 1.8.2 High Coolant Temperature Switch ‹ 1.8.1 LOW OIL Pressure SwitchMain Circuit Breaker Generator Fuel SystemLifting the Generator UnpackingAWSF-52-C SpecificationsFuel Consumption Engine OIL Recommendations Before InstallationCoolant Recommendations Generator Mounting Support Generator Location‹ 2.1.1 Nfpa Standards ‹ 2.1.2 Other Published StandardsTotal Circuit Isolation Method Basic Standby Electric SystemGrounding the Generator Emergency Circuit Isolation MethodGenerator AC Neutral Connections Connection Diagram ATS ModeConnection Diagram GTS Mode ‹ 2.11.1 Vented Batteries Battery InstallationPreparation Before START-UP Manual Transfer START-UP Control Console ComponentsBat Red Oil Red Temp Red Speed Red Crank Red Engine Governor Gain AdjustmentsWeekly Exercise Cycle Manual Retransfer ShutdownAutomatic Operation Voltage Regulator Adjustment Control Board DIP Switch SettingsIntake Manifold Procedure Exhaust Manifold ProcedureCooling System Cylinder Head ProcedureOverload Protection for Engine DC Electrical System Checking Fluid Levels‹ 4.8.2 Check Battery ‹ 4.7.2 Battery Fluid ‹ 4.8.6 Perform Visual Inspection‹ 4.7.3 Engine Coolant ‹ 4.8.1 Check Engine OIL Level‹ 4.8.11 Changing the Engine AIR Cleaner Miscellaneous Maintenance‹ 4.9.1 Cleaning the Generator ‹ 4.8.13 Coolant ChangePeriodic Replacement Parts ‹ 4.9.3 Battery Maintenance‹ 4.9.4 Battery Replacement Service Maintenance Interval Information Scheduled MaintenanceLevel Maintenance Level Problem Cause Correction Troubleshooting PointsLiquid-cooled 15, 20 and 25 kW Generators Liquid-cooled 15, 20 and 25 kW Generators Electrical Data Electrical Data Electrical Data Electrical Data Electrical Data Electrical Data Electrical Data Electrical Data Page Hold Down Battery Support Battery TrayAssembly Battery Tray Battery Post Cover BlackTo B Door Battery Compartment Assy Wire 14AWG 7.5 #0 GRN/YELDuct Intake MID AL 2.5L Duct Discharge RH AL 2.5LPage Switch ROC Dpdt ON-OFF-ON Switch ROC Dpst 125V SPDHang TAG 2 Wire Start not Shown TOP, Control PanelPage Harness Ctrl PNL 2.5L Ford AL not Shown 13 17 Engine 2.5L Ford Tank Coolant RecoverySTARTER, 12 Volt NUT HEX M10-1.5 G8 YEL CHRTo Engine Cover AIR Cleaner Body Carburetor AssemblyGASKET, AIR Cleaner Adapter Bracket Fuel RegulatorLocktight Rotor 390 20KW 1P Direct HSB 2.5L Ford Rotor 390 15KW 1P Direct HSB 2.5L FordRotor 390 25KW 1P Direct HSB 2.5L Ford Rotor 390 40KW 1P Direct HSB 3.9L ChryslerPipe Exhaust 2.5L Ford Pipe Muffler OUTMuffler 2.5L Ford Saddle 2 InchCover Connector Housing Housing Governor ConnectorASM Motor Stepper Harn GOV 2.5L FordBarbed STR 1/4 NPT X 3/8 HOSE, 2.5L Ford LowerALM Radiator 2.5L FordInstallation Diagram PURCHASER’S/OWNER’S Warranty Responsibilities Your Warranty Rights and ObligationsMANUFACTURER’S Emission Control System Warranty Coverage Emission Related Parts Include the Following Emission Control System WarrantyThis Warranty Shall not Apply to the Following

005030-0 (15kW), 005031-0 (25kW) specifications

Generac has long been recognized as a leader in backup power solutions, and its 005031-0 (25kW) and 005030-0 (15kW) home standby generators exemplify the brand's commitment to reliability and performance. Designed for residential use, these generators provide peace of mind during outages, ensuring that homes remain powered even in the most challenging conditions.

One of the standout features of both models is their advanced Generac G-Force engine, which is engineered for longevity and impressive power output. The G-Force engine is built from the ground up for generator use, refined to handle the unique demands of continuous operation. This results in a highly durable system that requires little to no maintenance, making it a favored choice for homeowners looking for a reliable energy solution.

Another important characteristic is the True Power technology featured in both generators. This technology delivers clean, stable power that is safe for sensitive electronics and appliances. It ensures that devices such as computers and medical equipment operate smoothly without the risk of damage from power fluctuations. Additionally, the Generac 005031-0 and 005030-0 generators are equipped with the Quiet-Test mode, allowing them to run at lower RPMs during routine weekly self-tests. This innovation significantly reduces the noise produced during tests, making it less disruptive for residents.

Furthermore, these generators come with a user-friendly interface and a mobile link app, enabling homeowners to monitor their generator's performance remotely via a smartphone. This feature enhances convenience, allowing users to receive alerts and notifications about their generator's status, maintenance needs, and operation conditions right from their devices.

Both the 25kW and 15kW models are also designed with a robust transfer switch, which seamlessly shifts power from the grid to the generator in case of any outages. This automatic transfer feature ensures that homes maintain power without needing manual intervention, making them ideal for those who want uninterrupted electricity.

In terms of fuel source, both models operate on natural gas or propane, providing flexibility to homeowners regarding fuel availability and preferences. With excellent warranty options and Generac's reputation for quality, both the 005031-0 (25kW) and 005030-0 (15kW) generators stand as dependable choices for safeguarding homes from the unpredictability of power outages.