Generac Power Systems 004988-1 owner manual General Hazards

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IMPORTANT SAFETY INSTRUCTIONS

Guardian Liquid-cooled 27 kW and 30 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 anticipate every possible circumstance that might involve a hazard. The warnings in this man- ual, and on tags and decals affixed to the unit are, there- fore, not all-inclusive. If using a procedure, work method or operating technique that Generac does not specifically recommend, ensure that it is safe for others. Also make sure the procedure, work method or operat- ing technique utilized does not render the generator unsafe.

DANGER

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 main- tain 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, do nothing that might render the unit unsafe or in noncompliance with the aforementioned codes, standards, laws and regula- tions.

•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 physically or mentally fatigued.

2 Generac® Power Systems, Inc.

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Contents Liquid-cooled, Prepackaged Standby Generators Authorized Service Dealer Location ‹ Operation and Maintenance‹ HOW to Obtain Service IntroductionTable of Contents General Hazards Electrical Hazards Transfer Switch GeneratorAutomatic System Operation Generator AC Connection Systems‹ 1.7.2 High Coolant Temperature Switch ‹ 1.7.1 LOW OIL Pressure Switch‹ 1.7.3 LOW Coolant Level Switch Engine Protective DevicesUnpacking Lifting the GeneratorSpecifications Reconfiguring the Fuel System‹ 1.10.1 Generator Specifications ‹ 1.10.2 Engine SpecificationsTorque Specifications Before InstallationEngine OIL Recommendations Coolant RecommendationsGenerator Mounting Support Basic Standby Electric SystemGenerator Location Emergency Circuit Isolation MethodTransfer Switch Signal Connections Total Circuit Isolation MethodGrounding the Generator Generator AC Neutral ConnectionsBattery Installation ‹ 2.11.2 Transfer SwitchPreparation Before START-UP ‹ 2.11.1 Prior to Initial START-UPUsing a Standard GTS Transfer Switch Control Console ComponentsManual Transfer START-UP Engine Governor Adjustments ‹ 3.2.2 Fault Indicator LED‹ 3.2.5 SET Exercise Time Switch ‹ 3.2.6 System Ready LEDRetransfer and Shutdown Weekly Exercise CycleAutomatic Operation Checking Fluid Levels Overload Protection for Engine DC Electrical SystemCooling System ‹ 4.5.2 Check Battery ‹ 4.4.3 Engine Coolant‹ 4.5.1 Check Engine OIL Level ‹ 4.5.3 Exercise SystemMiscellaneous Maintenance ‹ 4.5.11 Changing the Engine AIR Cleaner‹ 4.6.1 Cleaning the Generator ‹ 4.5.13 Coolant Change‹ 4.6.3 Battery Maintenance ‹ 4.6.4 Battery ReplacementScheduled Maintenance Service Maintenance Interval InformationLevel Maintenance Level Troubleshooting Points Problem Cause CorrectionInstallation Diagram Customer Connection PCB J2 ICT LOS WLS HCT Starter Carrier Bolt Boot Battery Cable Battery Post Cover BaclkBattery Post Cover RED + Hold Down Battery32 18 Assy GRD Wire 99HSB Assembly BASE-DOOR Ground WireIntake Duct HSB Duct Discharge RH FrontGenerac Power Systems, Inc Assy 2A 12V UL Battery Control BOX HSBCover Front Panel HSB Cover TOP Panel HSB512 Wire SET 3.0L Ford not Not SHOWN-USED to Hold OIL Drain AssemblyWasher Lock M12 Bracket DC ALT 3.0L FordFrame Tank Coolant Recovery Radiator R-IN,L-OUTVenturi 3.0L Ford HSB Side Support Radiator HSBNER Weldment Mounting Base Flange Fuel InletAssy Regulator 3.0L NG or LPV Washer Flat 5/16 ZincLeads Rotor 390 15KW 1P Direct HSB 2.5L Ford Rotor 390 20KW 1P Direct HSB 2.5L FordRotor 390 25KW 1P Direct HSB 2.5L Ford Rotor 390 40KW 1P Direct HSB 3.9L ChryslerMUFFLER, 3.0L Ford Gasket Exhaust RingMufflr Strap 6IN DIA HSB Washer Lock 3/8 SSELEMENT, AIR Cleaner Cover AIR CleanerTube AIR Intake 3.0L Ford Washer Flat M5Guardian Liquid-cooled 27 kW and 30 kW Generators Guardian Liquid-cooled 27 kW and 30 kW Generators This Warranty Shall not Apply to the Following

004988-1 specifications

Generac Power Systems has established itself as a leader in the generator industry, and the Generac Power Systems 004988-1 model exemplifies the company’s commitment to innovation, reliability, and performance. This standby generator is designed to provide seamless power solutions for both residential and commercial applications, ensuring that users remain connected and comfortable even during power outages.

One of the standout features of the 004988-1 model is its automatic transfer switch (ATS), which allows for instant power restoration within seconds of an outage. The ATS continuously monitors the electrical supply and automatically engages the generator when it detects a power failure, eliminating any stress or inconvenience for the user. This feature is particularly beneficial for those who may be away from home during an outage or for businesses that cannot afford downtime.

The 004988-1 is equipped with a powerful engine capable of delivering up to 20 kilowatts of backup power, sufficient to support essential household appliances and systems, such as HVAC, refrigeration, and lighting. Its robust construction ensures durability and longevity, equipped to withstand the rigors of extended use in various environmental conditions.

Another significant characteristic of this model is its emission-friendly design. Generac has incorporated advanced technologies to meet and exceed EPA standards, resulting in a cleaner and more environmentally friendly operation. The generator runs on natural gas or liquid propane, providing users with flexible fuel options and reducing dependency on traditional fuel sources.

Moreover, the 004988-1 comes with smart technology features, including Wi-Fi connectivity. This allows users to monitor and control their generator remotely via a smartphone app. Users can receive real-time notifications, monitor power usage, and conduct maintenance checks, ensuring peak performance of their generator.

The quiet operation of the 004988-1 is also noteworthy, making it an attractive option for residential areas where noise levels can be a concern. Generac has integrated sound-dampening technology, ensuring that the generator operates with minimal noise, allowing users to enjoy peace of mind without disruption.

In summary, the Generac Power Systems 004988-1 is a robust, reliable, and technologically advanced generator that seamlessly integrates into any household or commercial setup. With its automatic transfer switch, high power output, environmentally friendly design, smart technology features, and quiet operation, it stands out as an excellent choice for individuals seeking a dependable power solution for any situation.
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