Generac 004370-2, 004188-1, 004475-1, 004371-2, 004474-1, 004189-1 owner manual General Hazards

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Important Safety Instructions

Guardian Liquid-cooled 15 kW, 20 kW and 25 kW Generators

SAVE THESE INSTRUCTIONS – The manufacturer suggests that these rules for safe operation be copied and posted in potential hazard areas. Safety should be stressed to all operators, potential operators, and service and repair technicians for this equipment.

SAVE THESE INSTRUCTIONS – This manual contains important instructions that should be followed during installation and maintenance of the generator and batteries.

WARNING:

The engine exhaust from this product contains chemicals known to the state

of California to cause cancer, birth defects or other reproductive harm.

WARNING:

This product contains or emits chemicals known to the state of California to cause cancer, birth defects or other reproductive harm.

Study these SAFETY RULES carefully before installing, operating or servicing this equipment. Become familiar with this Owner’s Manual and with the unit. The genera- tor can operate safely, efficiently and reliably only if it is properly installed, operated and maintained. Many acci- dents are caused by failing to follow simple and funda- mental rules or precautions.

Generac cannot possibly anticipate every possible cir- cumstance that might involve a hazard. The warnings in this manual, and on tags and decals affixed to the unit are, therefore, not all-inclusive. If you use a procedure, work method or operating technique that Generac does not specifically recommend, you must satisfy yourself that it is safe for you and others. You also must make sure the procedure, work method or operating technique that you choose does not render

the generator unsafe.

Despite the safe design of this generator, operating this equipment imprudently, neglecting its maintenance or being careless can cause possible injury or death. Permit only responsible and capable persons to install, operate or maintain this equipment.

Potentially lethal voltages are generated by these machines. Ensure all steps are taken to render the machine safe before attempting to work on the generator.

Parts of the generator are rotating and/or hot during operation. Exercise care near running gen- erators.

GENERAL HAZARDS

•For safety reasons, Generac recommends that this equipment be installed, serviced and repaired by a Generac Authorized Service Dealer or other compe- tent, qualified electrician or installation technician who is familiar with applicable codes, standards and regulations. The operator also must comply with all such codes, standards and regulations.

•Installation, operation, servicing and repair of this (and related) equipment must always comply with applicable codes, standards, laws and regulations. Adhere strictly to local, state and national electrical and building codes. Comply with regulations the Occupational Safety and Health Administration (OSHA) has established. Also, ensure that the gener- ator is installed, operated and serviced in accordance with the manufacturer’s instructions and recommen- dations. Following installation, you must not do any- thing that might render the unit unsafe or in non- compliance with the aforementioned codes, stan- dards, laws and regulations.

•The engine exhaust fumes contain carbon monoxide gas, which can be DEADLY. This dangerous gas, if breathed in sufficient concentrations, can cause unconsciousness or even death. For that reason, ade- quate ventilation must be provided. Exhaust gases must be piped safely away from any building or enclosure that houses the generator to an area where people, animals, etc., will not be harmed. This exhaust system must be installed properly, in strict compliance with applicable codes and standards.

•Keep hands, feet, clothing, etc., away from drive belts, fans, and other moving or hot parts. Never remove any drive belt or fan guard while the unit is operating.

•Adequate, unobstructed flow of cooling and ventilat- ing air is critical to prevent buildup of explosive gases and to ensure correct generator operation. Do not alter the installation or permit even partial blockage of ventilation provisions, as this can seriously affect safe operation of the generator.

•Keep the area around the generator clean and unclut- tered. Remove any materials that could become haz- ardous.

•When working on this equipment, remain alert at all times. Never work on the equipment when you are physically or mentally fatigued.

2 Generac® Power Systems, Inc.

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Contents Power SYSTEMS, INC Authorized Service Dealer Location Operation and MaintenanceHOW to Obtain Service IntroductionIntroduction IFC Safety Rules General Hazards Electrical Hazards Transfer Switch GeneratorAutomatic System Operation Generator AC Connection SystemsHigh Coolant Temperature Switch LOW OIL Pressure SwitchLOW Coolant Level Switch Engine Protective DevicesUnpacking SpecificationsLifting the Generator Torque Specifications Before InstallationFuel Consumption Engine OIL RecommendationsStandby Generator Installation Generator LocationOther Published Standards Nfpa StandardsBasic Standby Electric System Total Circuit Isolation MethodGrounding the Generator Emergency Circuit Isolation MethodBattery Installation Transfer Switch Start Signal ConnectionsVented Batteries Preparation Before START-UP Using a Standard GTS Transfer SwitchPrior to Initial START-UP Control Console Components Meter Reading Selector Switch SET Exercise Time SwitchManual Transfer and Start UP Retransfer and Shutdown Automatic OperationEngine Heater Cooling SystemOverload Protection for Engine DC Electrical System Checking Fluid LevelsMaintenance OWNER/OPERATOR can Perform Changing the Engine AIR Cleaner Coolant ChangeMiscellaneous Maintenance Cleaning the GeneratorBattery Battery ReplacementTroubleshooting Points Service Maintenance Interval Information Level Maintenance Level Electrical Data Electrical Data Electrical Data AC Outlet Outlet AC Circuit FED Ground Wire Assembly BRACE, SideBumper DOOR, EnclosureGenerac Power Systems, Inc Washer Nylon Hinge Slip Male LHHinge Slip Female LH Hinge Slip Male RHGenerac Power Systems, Inc CMA BOX Assembly Rocker Switch DpstSWITCH, Selector AMP/VOLT SWITCH, Toggle DpdtGenerac Power Systems, Inc Switch 6A AMP/V Selector Harness Wiring 1.5LDECAL, TRANS. Switch Conn Switch Dpst 5 125V SPD RckrGenerac Power Systems, Inc Tank Coolant Recovery Bracket Coolant Recovery TankSupport Radiator Radiator 1.5LGenerac Power Systems, Inc Venturi 1.5L Guard FANHose RES 5/8 RIA 250F NUT HEX M6 -1.0 G8 YEL CHRBASE, Mounting ISOLATOR-VIBRATIONISOLATOR, Vibration Flat WASHER-M8Dampener Vibration Washer Flat M8Earth Strap Washer Shakeproof EXT 5/16 STLMuffler W/RAIN Shld Mufflr Strap 6IN DIAElbow 90 DEG 2 NPT Nipple TOE 2 NPT X 4.5 BLK IronManifold Exhaust 1.5L Nipple TOE 1.5 NPT X 6.5 BL IronPipe Exhaust Flex Pipe ExhaustSilkscreen P Panel Cover BQ Circuit BreakerBracket Mounting Circuit Breaker Circuit Breaker 70 X 2 240V 39782 BrktHarness CMA Wire Assy Home Stdby LogicDECAL, CMA Label PP Logic ASM 50/60HZASSY,WIRE#16 RED Bolt Battery Hold DownBAR Battery Holddown Battery Post Cover RED+Housing Governor Connector Connector Interface AssemblyCover Connector Housing Assembly Carburator LinkageGenerac Power Systems, Inc Housing Blower Assy Rotor 10KWAssy Rotor 15KW Assy Rotor 20KWGenerac Power Systems, Inc Cover AIR Cleaner Weldment Mounting BaseFlange Fuel Inlet Solenoid GAS FuelGenerac Power Systems, Inc Switch OIL Pressure ARM Adjust AlternatorGround Wire Starter ENGINE-1.5LInstallation Air Outlet Air Intake Installation Air Intake MANUFACTURER’S Emission Control System Warranty Coverage Your Warranty Rights and ObligationsPURCHASER’S/OWNER’S Warranty Responsibilities Emission Control System Warranty Emission Related Parts Include the FollowingWarranty Schedule This Warranty Shall not Apply to the Following

004371-2, 004188-1, 004474-1, 004475-1, 004370-2 specifications

Generac Power Systems is renowned for its commitment to providing reliable power solutions, and their various models, including the Generac 004189-1, 004370-2, 004475-1, 004474-1, and 004188-1, showcase the company’s innovative engineering and technology. Each of these models is designed to meet diverse energy needs, ensuring homeowners and businesses can maintain power during outages or in remote locations.

The Generac 004189-1 is an essential model in the lineup known for its robust construction and user-friendly interface. It features a powerful engine, ensuring reliable power output and efficient fuel consumption. Additionally, its lightweight design makes it portable, allowing easy relocation to different sites. The model integrates advanced technology for automatic voltage regulation, safeguarding sensitive electronics while operating.

Moving on to the Generac 004370-2, this model emphasizes advanced start-up technology. It is equipped with a reliable electric start feature, minimizing the effort required to power up the generator. Its noise-dampening design significantly reduces sound levels, making it ideal for residential use without causing disturbances to neighbors. The unit also includes a durable metal enclosure that helps protect the generator from the elements and increases its lifespan.

The Generac 004475-1 model stands out for its enhanced fuel efficiency and low emissions. This eco-friendly design adheres to strict emissions regulations, making it a suitable choice for environmentally conscious users. Its intuitive control panel provides easy monitoring of power output, fuel levels, and maintenance needs, ensuring users can efficiently manage their energy requirements.

Similarly, the Generac 004474-1 exemplifies convenience and performance with its dual fuel capability, allowing it to operate on both gasoline and propane. This flexibility ensures users can easily switch fuels based on availability and cost-effectiveness. The model also boasts an extended runtime, capable of powering essential appliances and systems for prolonged periods during outages.

Finally, the Generac 004188-1 emphasizes ease of use, featuring a comprehensive user manual and a straightforward assembly process. The model provides ample power capacity, making it excellent for both emergency back-up and recreational activities. Its compact design allows storage in confined spaces, while its efficient cooling system prevents overheating during extended use.

Overall, these Generac models reflect the company's dedication to innovation, quality, and user satisfaction. With features aimed at enhancing convenience, performance, and environmental responsibility, they cater to the varying power demands of modern users.
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