Generac Power Systems 04389-3, 04456-3, 04390-3 owner manual Generator, Gfci

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Section 1 — General Information

Air-cooled 7 kW, 12 kW and 15 kW Generators

1.4THE GENERATOR

Figure 1.1 – 7 kW, Single Cylinder GH-410 Engine

Oil Data

Dipstick Decal

Exhaust

Enclosure

Control

Panel

GFCI

Outlet

Fuel

Regulator

Fuel

Inlet

Oil Filter

Battery

Compartment

 

Figure 1.2 – 12 kW and 15 kW, V-twin GT-990/760 Engine

Exhaust Enclosure

 

 

Control

Oil

Data

Panel

 

Dipstick

Decal

 

 

 

GFCI

 

 

Outlet

 

 

Fuel

 

 

Regulator

 

 

Fuel

 

 

Inlet

Oil Filter

Battery

Composite Base

Compartment

 

 

 

5

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Contents US Listed Authorized Dealer Location IntroductionIntroduction Inside Front Cover Post Installation Start-up AdjustmentsMaintenance Troubleshooting Warning  ‹ Standards Index  Electrical Hazards Protection Systems UNPACKING/INSPECTIONBreaker for Bedrooms Gfci Generator‹ 1.5.1 Generator Specifications‹ 1.5.2 Engine Fuel Consumption Reconfiguring the Fuel SystemSystem SET LED Fuel Requirements Recommendations‹ 1.9.2 12KW and 15KW, V-TWIN Engines Location‹ 1.10.1 Generator 10.2.1 7 kW, 12 kW and 15 kW Units Battery InstallationBattery ‹ 1.10.2 Transfer SwitchBefore Initial START-UP Check Transfer Switch OperationElectrical Checks Checking Automatic Operation Generator Tests Under LoadAdjustment Screw Adjusting the Regulator Natural GAS only‹ 2.7.2 12 KW and 15 KW Units Engine Governor Adjustment‹ 2.7.1 7 KW Units BREAK-IN Procedure Voltage Regulator Adjustment‹ 3.2.1 Auto Position ‹ 3.2.2 OFF Position ‹ 3.3.1 12 VDC Accessory OutletAutomatic Transfer Operation Sequence of Automatic OperationManual Transfer Operation ‹ 3.5.2 Transfer Back to Utility Power Source‹ 3.7.3 Overcrank Setting the Exercise Timer‹ 3.7.2 High Temperature Switch ‹ 3.7.1 LOW OIL Pressure SwitchChecking the Engine OIL Level Fuses‹ 3.7.4 Overspeed ‹ 4.3.1 Engine OIL Recommendations ‹ 4.3.2 OIL Change ProcedureChanging the Engine OIL Changing the OIL FilterSpark Plugs Battery MaintenanceCooling System Valve ClearanceCorrosion Protection OUT of Service Procedure‹ 4.12.1 Removal from Service ‹ 4.12.2 Return to ServiceBe performed by the nearest Authorized Dealer Service ScheduleProblem Cause Correction Troubleshooting GuideAir-cooled 7 kW, 12 kW and 15 kW Generators Air-cooled 7 kW, 12 kW and 15 kW Generators Air-cooled 7 kW, 12 kW and 15 kW Generators Electrical Data Customer Connection Battery 1VA Engine Wiring Control Panel BOX Electronic Voltage Regulator Utility Electrical Data Electrical Data Electrical Data Electrical Data ATS N1A N2A Exploded Views and Parts Lists Part NO. QTY. Description Exploded Views and Parts Lists Part NO. QTY Description Exploded Views and Parts Lists QTY Description Exploded Views and Parts Lists COVER, 12 Circuit GTS Load Center 1310 Sleeve 124 125 139 136 135 123 120 137 143 133 134 132 KNOB, AIR Cleaner Exploded Views and Parts Lists QTY 32 31 Stator 12KW Exploded Views and Parts Lists PIN, Piston D20 Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome 7KW Mounting Dimensions MANUFACTURER’S Emission Control System Warranty Coverage Your Warranty Rights and ObligationsPURCHASER’S/OWNER’S Warranty Responsibilities Emission Related Parts Include the Following Emission Control System WarrantyWarranty Schedule

04389-3, 04456-3, 04390-3 specifications

Generac Power Systems has established itself as a leading name in power generation equipment, and models 04389-3, 04456-3, and 04390-3 exemplify the company’s commitment to reliability and technology. These models are particularly popular among homeowners and businesses that need dependable backup power solutions.

The Generac 04389-3 is a 22 kW standby generator designed to provide seamless power during outages. It boasts a powerful 999cc engine that can handle heavy loads, making it suitable for larger homes or commercial settings. The generator features Generac’s patented True Power Technology, which ensures clean and stable power delivery, making it safe for sensitive electronics. It also comes equipped with an innovative shutdown system that prevents damage during low oil conditions and features a five-year limited warranty for added peace of mind.

Similarly, the 04456-3 model also serves as a robust standby generator, offering 24 kW of power output. This model highlights an advanced alternator that provides a reliable source of energy for running essential appliances like refrigerators, air conditioners, and heating systems. The 04456-3 includes an automatic exercise mode, allowing it to run tests periodically to ensure it’s always ready to operate when needed. Additionally, it utilizes a user-friendly digital controller that simplifies monitoring and operational management.

The Generac 04390-3 model offers a slightly lower output at 20 kW but retains high efficiency and reliability. Like its counterparts, it features an innovative design that operates quietly while delivering consistent power. This model is particularly aimed at residential users who require dependable backup solutions without the noise commonly associated with generators. It incorporates Generac’s Smart Management modules, enabling users to manage power loads effectively and avoid overloading the system.

All three models benefit from Generac’s Mobile Link technology, which enables remote monitoring via mobile devices. This feature allows users to check the status of their generators, including maintenance alerts and operational history, providing a convenient way to manage energy needs. In summary, Generac models 04389-3, 04456-3, and 04390-3 offer cutting-edge features, dependable technology, and robust capabilities, making them an ideal choice for anyone seeking reliable backup power solutions.
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