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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 1.4 – Generator and Transfer Switch Mounting Dimensions (6 kW, 8 kW and 10 kW Non-SA)

8 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

SHOULD ATTEMPT INSTALLATION Installation, Start-upand Adjustment ManualPOWER SYSTEMS, INC Air-cooled,Prepackaged Standby GeneratorsINTRODUCTION OPERATION AND MAINTENANCEHOW TO OBTAIN SERVICE AUTHORIZED DEALER LOCATIONAdjustments Section 1 - InstallationSection 3 - Post-installation Start-up Section 4 - TroubleshootingGENERAL HAZARDS EXPLOSION HAZARDS ELECTRICAL HAZARDSFIRE HAZARDS 1.2.1 PRECAUTIONS 1.1INTRODUCTION TO INSTALLATION1.1.1 INSTALLATION ASSISTANCE 1.2UNPACKING1.5ENGINE OIL RECOMMENDATIONS 1.3BEFORE INSTALLATION1.4LIFTING THE GENERATOR 1.6GASEOUS FUEL SYSTEM1.6.3 FUEL PIPE SIZING 1.6.4 RECONFIGURING THE FUEL SYSTEM1.6.2 FUEL CONSUMPTION Figure 1.2 - Natural Gas Setup`1.7.1.1 6 kW, 8 kW and 10 kW Units Non-SA 1.7.2 TRANSFER SWITCH1.7LOCATION AND MOUNTING 1.7.1 GENERATOR8 Generac Power Systems, Inc Guardian Air-cooledGeneratorsFigure 1.4 Continued Section 1 - InstallationGenerac Power Systems, Inc Guardian Air-cooledGenerators10 Generac Power Systems, Inc Guardian Air-cooledGeneratorsFigure 1.6 - Emergency Circuit Isolation Method 1.8EMERGENCY CIRCUIT ISOLATION METHOD1.9TOTAL CIRCUIT ISOLATION METHOD Figure 1.7 - Total Circuit Isolation Method1.11.1 6 KW, 8 KW AND 10 KW UNITS NON-SA 1.11 WIRING INTERCONNECTIONS1.10 GENERATOR AC CONNECTION SYSTEM 1.11.2 SOUND ATTENUATED UNITSFigure 1.9 - Interconnection Diagram for Single-PhasePower System 6 kW, 8 kW and 10 kW Non-SA 1.13 CONTROL CIRCUIT INTERCONNECTIONS 1.12 GENERATORS AND GTS TRANSFER SWITCHES14 Generac Power Systems, Inc 1.15 CONTROL BOARD CONFIGURATION 1.14 ADAPTING THREE-PHASE TRANSFER SWITCH1.16 GROUNDING THE GENERATOR 1.17 THE BATTERY 1.18 THE FUSE 1.19 POST INSTALLATION INSPECTION1.17.1 BATTERY INSTALLATION Figure 1.14 - Battery Cable Connections2.1.1 “AUTO” POSITION 2.1USING THE AUTO/OFF/MANUAL2.2AUTOMATIC TRANSFER OPERATION 2.1.2 “OFF” POSITION2.4MANUAL TRANSFER OPERATION 2.3SEQUENCE OF AUTOMATIC OPERATIONFigure 2.3 - Manual Transfer Switch Operation 2.5.2 HIGH TEMPERATURE SWITCH 2.4.2 TRANSFER BACK TO UTILITY POWER SOURCE2.5.1 LOW OIL PRESSURE SWITCH 2.5PROTECTION SYSTEMS2.5.4 OVERSPEED 2.6ADDITIONAL GENERATOR FEATURES2.5.3.1 Approximate Crank Cycle Times 2.6.1 6 KW, 8 KW AND 10 KW UNITS NON-SA3.3ELECTRICAL CHECKS 3.2CHECK TRANSFER SWITCH OPERATION3.1BEFORE INITIAL START-UP 3.4GENERATOR TESTS UNDER LOAD3.6ADJUSTING THE LOAD BLOCK 3.5CHECKING AUTOMATIC OPERATION3.7.1 6 KW UNITS NON-SA 3.7ENGINE GOVERNOR ADJUSTMENT3.7.2 8 KW AND 10 KW UNITS NON-SA 3.7.3 SOUND ATTENUATED UNITS 3.8VOLTAGE REGULATOR ADJUSTMENT3.9OVERSPEED ADJUSTMENT 3.9.1 6 KW, 8 KW AND 10 KW UNITS NON-SA3.10.1 6 KW, 8 KW AND 10 KW UNITS NON-SA 3.10 SETTING THE EXERCISE TIMER3.10.2 SOUND ATTENUATED UNITS CAUSE 4.1TROUBLESHOOTING GUIDEPROBLEM CORRECTIONOPTIONS AND ACCESSORIES 4.2INSTALLATION CHECKLISTBATTERY INSTALLATION FUEL SYSTEMGenerac Power Systems, Inc. Guardian Air-cooledGeneratorsPart No. C4219 GENERAC POWER SYSTEMS, INCP.O. BOX WAUKESHA, WI Revision * 12/13/99