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Generac 04077-01, 04109-1, 04079-1, 00789-1, 00844-1 manual Guardian Air-cooledGenerators

Models: 04077-1, 04109-1, 04079-1, 00789-1, 00844-1 04077-01, 04109-1, 04079-1, 00789-1, 00844-1

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Section 1 — Installation

Guardian Air-cooled Generators

Figure 1.5 – Generator Mounting Dimensions (Sound Attenuated)

10 Generac® Power Systems, Inc.

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Generac 04077-01, 04109-1, 04079-1, 00789-1, 00844-1 manual Guardian Air-cooledGenerators, Generac Power Systems, Inc

Contents

Installation, Start-upand Adjustment Manual POWER SYSTEMS, INCSHOULD ATTEMPT INSTALLATION Air-cooled,Prepackaged Standby GeneratorsOPERATION AND MAINTENANCE HOW TO OBTAIN SERVICEINTRODUCTION AUTHORIZED DEALER LOCATIONSection 1 - Installation Section 3 - Post-installation Start-upAdjustments Section 4 - TroubleshootingGENERAL HAZARDS ELECTRICAL HAZARDS EXPLOSION HAZARDSFIRE HAZARDS 1.1INTRODUCTION TO INSTALLATION 1.1.1 INSTALLATION ASSISTANCE1.2.1 PRECAUTIONS 1.2UNPACKING1.3BEFORE INSTALLATION 1.4LIFTING THE GENERATOR1.5ENGINE OIL RECOMMENDATIONS 1.6GASEOUS FUEL SYSTEM1.6.4 RECONFIGURING THE FUEL SYSTEM 1.6.2 FUEL CONSUMPTION1.6.3 FUEL PIPE SIZING Figure 1.2 - Natural Gas Setup`1.7.2 TRANSFER SWITCH 1.7LOCATION AND MOUNTING1.7.1.1 6 kW, 8 kW and 10 kW Units Non-SA 1.7.1 GENERATOR8 Generac Power Systems, Inc Guardian Air-cooledGeneratorsSection 1 - Installation Generac Power Systems, IncFigure 1.4 Continued Guardian Air-cooledGenerators10 Generac Power Systems, Inc Guardian Air-cooledGenerators1.8EMERGENCY CIRCUIT ISOLATION METHOD 1.9TOTAL CIRCUIT ISOLATION METHODFigure 1.6 - Emergency Circuit Isolation Method Figure 1.7 - Total Circuit Isolation Method1.11 WIRING INTERCONNECTIONS 1.10 GENERATOR AC CONNECTION SYSTEM1.11.1 6 KW, 8 KW AND 10 KW UNITS NON-SA 1.11.2 SOUND ATTENUATED UNITSFigure 1.9 - Interconnection Diagram for Single-PhasePower System 6 kW, 8 kW and 10 kW Non-SA 1.12 GENERATORS AND GTS TRANSFER SWITCHES 1.13 CONTROL CIRCUIT INTERCONNECTIONS14 Generac Power Systems, Inc 1.14 ADAPTING THREE-PHASE TRANSFER SWITCH 1.15 CONTROL BOARD CONFIGURATION1.16 GROUNDING THE GENERATOR 1.17 THE BATTERY 1.19 POST INSTALLATION INSPECTION 1.17.1 BATTERY INSTALLATION1.18 THE FUSE Figure 1.14 - Battery Cable Connections2.1USING THE AUTO/OFF/MANUAL 2.2AUTOMATIC TRANSFER OPERATION2.1.1 “AUTO” POSITION 2.1.2 “OFF” POSITION2.3SEQUENCE OF AUTOMATIC OPERATION 2.4MANUAL TRANSFER OPERATIONFigure 2.3 - Manual Transfer Switch Operation 2.4.2 TRANSFER BACK TO UTILITY POWER SOURCE 2.5.1 LOW OIL PRESSURE SWITCH2.5.2 HIGH TEMPERATURE SWITCH 2.5PROTECTION SYSTEMS2.6ADDITIONAL GENERATOR FEATURES 2.5.3.1 Approximate Crank Cycle Times2.5.4 OVERSPEED 2.6.1 6 KW, 8 KW AND 10 KW UNITS NON-SA3.2CHECK TRANSFER SWITCH OPERATION 3.1BEFORE INITIAL START-UP3.3ELECTRICAL CHECKS 3.4GENERATOR TESTS UNDER LOAD3.6ADJUSTING THE LOAD BLOCK 3.5CHECKING AUTOMATIC OPERATION3.7ENGINE GOVERNOR ADJUSTMENT 3.7.1 6 KW UNITS NON-SA3.7.2 8 KW AND 10 KW UNITS NON-SA 3.8VOLTAGE REGULATOR ADJUSTMENT 3.9OVERSPEED ADJUSTMENT3.7.3 SOUND ATTENUATED UNITS 3.9.1 6 KW, 8 KW AND 10 KW UNITS NON-SA3.10 SETTING THE EXERCISE TIMER 3.10.1 6 KW, 8 KW AND 10 KW UNITS NON-SA3.10.2 SOUND ATTENUATED UNITS 4.1TROUBLESHOOTING GUIDE PROBLEMCAUSE CORRECTION4.2INSTALLATION CHECKLIST BATTERY INSTALLATIONOPTIONS AND ACCESSORIES FUEL SYSTEMGenerac Power Systems, Inc. Guardian Air-cooledGeneratorsGENERAC POWER SYSTEMS, INC P.O. BOX WAUKESHA, WIPart No. C4219 Revision * 12/13/99