Generac Power Systems 005260-1, 005259-1 owner manual Installation, Preparation Before START-UP

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Standby Generator Sets

Installation

INSTALLATION

‹PRIOR TO INITIAL START-UP

Refer to the separate “Installation Guide QT Product Line” supplied with the unit.

PREPARATION BEFORE START-UP

The instructions in this section assume that the standby generator has been properly installed, ser- viced, tested, adjusted and otherwise prepared for use by a competent, qualified installation contractor. Be sure to read the “Safety Rules”, as well as all other safety information in this manual, before attempting to operate this (and related) equipment.

Before starting the generator for the first time, the installer must complete the following procedures. For follow-up maintenance information and/or service intervals, please refer to the “Maintenance” section and the “Service Schedule”.

‹TRANSFER SWITCH

If this generator is used to supply power to any elec- trical system normally powered by an electric utility, the National Electrical Code requires that a transfer switch be installed. The transfer switch prevents elec- trical backfeed between two different electrical sys- tems. (For additional information, see the applicable transfer switch manual for this unit.) The transfer switch, as well as the generator and other standby components, must be properly located and mounted in strict compliance with applicable codes, standards and regulations.

‹FUEL SYSTEM

Make sure the fuel supply system to the genera- tor (a) delivers the correct fuel at the correct pres- sure and (b) is properly purged and leak tested according to code. No fuel leakage is permitted. See “Specifications” for more information.

‹GENERATOR SET LUBRICATION

Check the engine crankcase oil level before operating and add oil to the proper level – the dipstick “FULL” mark. Never operate the engine with the oil level below the dipstick “ADD” mark. See “Specifications” and “Engine Oil Recommendations”.

NOTE:

This engine is shipped from the manufacturer with “break-in” oil. This oil should be changed after 30 hours of operation.

Check the oil level in the generator gearbox (if so equipped) prior to initial use and at the intervals indicated by the “Service Schedule.” The recom- mended oil is SAE 90 gear lubricant.

Also, if the engine is equipped with a mechanical gov- ernor, make sure the governor is properly lubricated with clean engine oil.

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Prior to initially starting the generator, it must be properly prepared for use. Any attempt to crank or start the engine before it has been properly serviced with the recommended types and quantities of engine fluids (oil, coolant, fuel, etc.) may result in an engine failure.

‹ENGINE COOLANT

Have the engine cooling system properly filled with the recommended coolant mixture. Check the system for leaks and other problems. See “Specifications” and “Coolant” sections.

‹BELT TENSION

Check-the engine-fan belt tension and condition prior to placing the unit into service and at recommended intervals. Belt tension is correct when a force of approximately 22 pounds (10 kg), applied midway between pulleys, deflects the belt about 3/8- to 5/8- inch (10 to 16 mm).

‹ELECTRICAL SYSTEM

Make sure the generator is properly connected to an approved earth ground.

Make sure the generator battery is fully charged, properly installed and interconnected, and ready for use.

Check to ensure that there are no loose electrical con- nections. Restrain any loose wires to keep them clear of any moving generator set components.

INITIAL INSPECTION FOR QT GENSET STARTUP

Inspect for the following.

•Freight Damage.

•Manuals present.

•Fluid Levels ( Oil, coolant, battery, Gear Drive).

•Correct fuel piping.

•Correct muffler installation for QT50, QT70, QT100 - QT150.

•Adequate air flow, clearances and ventilation per installation drawings and applicable codes.

•Correct AC and DC wire size, connections and grounding. Control and communication wiring to/ from the transfer switch must be run in a separate conduit from the AC power leads.

•Battery charger connection to 120 VAC.

•Communication wires connected between transfer switch and generator (HTS only).

•Unit secured to pad.

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Contents 35kW Models 005259-1 Standby Generator Sets Table of Contents  Warning   Electrical Hazards  ‹ HOW to Obtain Service ‹ Operation and MaintenanceAuthorized Service Dealer Location Introduction‹ Data Label Identification RecordEngine OIL Recommendations Equipment DescriptionCoolant Recommendations Engine Protective Devices ‹ Fuel Requirements Fuel System‹ Natural GAS Fuel System ‹ LP Fuel SystemSpecifications ‹ Cold Weather KIT ‹ Reconfiguring the Fuel System‹ FOUR-LEAD, SINGLE-PHASE Stator Alternator Power Winding Connections‹ 3-PHASE Alternators Generator AC Lead ConnectionsPreparation Before START-UP InstallationInitial Inspection for QT Genset Startup ‹ Preparation for START-UP START-UP Checklist‹ START-UP Inspection Generator Control Operation Operating Unit with Manual Transfer Switch‹ Engine START-UP and Transfer ‹ Retransfer and ShutdownChecking Fluid Levels Cooling SystemMaintenance Owner Operator can Perform ‹ Changing Engine OIL ‹ Changing the Engine AIR Cleaner ‹ Coolant Change‹ Spark Plugs ‹ Cleaning the Generator Miscellaneous Maintenance‹ Battery ‹ Battery MaintenanceKW 150 KW Standby GAS Engine Driven Generator Sets Service ScheduleMaintenance Level 11-3 11-4 Problem Cause Correction Troubleshooting GuideStandby Generator Sets Standby Generator Sets Standby Generator Sets Page PAN CB Conn BOX Page UL Circuit Breaker QJ-2P Page Instr Hypot Test not Shown Page Components Included in 0F9696E Page Components Included in 0G1290E Page Weldment Frame 2.4L C2 Page Battery Tray C1 CPL Page Gasket Bosch 32 Page Engine 2.4L G2 Rework Page Weldment Radiator Support 2.4L Page Flange Fuel Inlet Page Rear Wrap C2 CPL Page Bracket Muffler Page Page Page Page Page Page Page Page Page Page Page Page Page C2 Units Standby Generator Sets Warranty

005260-1, 005259-1 specifications

Generac Power Systems has established itself as a leader in the power generation industry, particularly with its innovative range of home backup generators. Among its popular models are the Generac 005259-1 and 005260-1, both of which reflect the company’s commitment to engineering excellence, reliability, and user-centric design.

The Generac 005259-1 is a 22 kW air-cooled standby generator that operates on either natural gas or liquid propane, providing ample power for essential home appliances during an outage. This model features a robust V-twin engine, which not only ensures durability but also enhances performance in various weather conditions. Its Quiet-Test technology allows the generator to run a self-test at a lower RPM, reducing noise and conserving fuel while still ensuring that the unit is operational.

On the other hand, the Generac 005260-1 serves as a powerful 24 kW generator, boasting an advanced control system designed for ease of use. This model features the Mobile Link™ technology, which enables users to monitor their generator’s status from anywhere using a smartphone, tablet, or computer. This ensures homeowners can stay informed about their power system’s readiness without having to physically inspect the unit.

Both models are equipped with Generac's True Power™ technology, which provides clean and stable power suitable for sensitive electronics, ensuring that appliances and devices run smoothly even during outages. Additionally, they come with a robust weather-resistant enclosure that protects them from the elements, ensuring long-lasting performance.

Installation of both units can be streamlined with their adaptable mounting pads and flexible connection options. Furthermore, Generac provides comprehensive support services, including warranty programs and maintenance plans, ensuring customers have access to the assistance they need post-purchase.

Overall, the Generac 005259-1 and 005260-1 generators exemplify reliability and innovation, making them excellent choices for homeowners seeking peace of mind when it comes to power outages. With advanced features, user-friendly technology, and powerful performance, they exemplify Generac’s dedication to delivering quality power solutions.
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