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Generac Power Systems 004992-0, 004992-1 owner manual Model Nos, 004992-137kW NG, 40kW LP

Models: 004992-0, 004992-1 004992-1, 004992-0 004992-0, 004992-1, 37kW NG, 40kW LP

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Owner’s Manual

Liquid-cooled, Prepackaged

Standby Generators

Model Nos. 004992-0

004992-1 37kW NG, 40kW LP

This manual should remain with the unit.

ONLY QUALIFIED ELECTRICIANS OR CONTRACTORSSHOULD ATTEMPT INSTALLATION!!

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Generac Power Systems 004992-0, 004992-1 owner manual Model Nos, 004992-137kW NG, 40kW LP, Owner’s Manual

Contents

004992-137kW NG, 40kW LP Model Nos.SHOULD ATTEMPT INSTALLATION Owner’s Manual‹OPERATION AND MAINTENANCE AUTHORIZED SERVICE DEALER LOCATION‹HOW TO OBTAIN SERVICE INTRODUCTIONINTRODUCTION Table of ContentsDANGER GENERAL HAZARDSFIRE HAZARDS ELECTRICAL HAZARDSEXPLOSION HAZARDS 1.1GENERATOR 1.2TRANSFER SWITCH1.3AUTOMATIC SYSTEM OPERATION 1.4GENERATOR AC CONNECTION SYSTEMS‹1.7.2 HIGH COOLANT TEMPERATURE SWITCH ‹1.7.1 LOW OIL PRESSURE SWITCH‹1.7.3 LOW COOLANT LEVEL SWITCH Figure 1.4 - Low Oil Pressure Switch‹1.7.8 ALARM RESET ‹ 1.7.7 LOW BATTERY‹1.8.1 UNPACKING PRECAUTIONS Figure 1.7 - Printed Circuit Board Assembly1.12 RECONFIGURING THE FUEL SYSTEM 1.10 SPECIFICATIONS‹ 1.10.1 GENERATOR SPECIFICATIONS ‹1.10.2 ENGINE SPECIFICATIONS1.16 BEFORE INSTALLATION 1.13 TORQUE SPECIFICATIONS2.1STANDBY GENERATOR INSTALLATION 1.14 ENGINE OIL RECOMMENDATIONS2.3GENERATOR MOUNTING AND SUPPORT 2.2GENERATOR LOCATION2.4BASIC STANDBY ELECTRIC SYSTEM ‹2.1.1 NFPA STANDARDS2.6TOTAL CIRCUIT ISOLATION METHOD 2.5EMERGENCY CIRCUIT ISOLATION METHOD2.8GENERATOR AC NEUTRAL CONNECTIONS Figure 2.1 – Basic Standby Electric System2.10BATTERY INSTALLATION 2.9TRANSFER SWITCH SIGNAL CONNECTIONS‹2.9.1 PRE-PACKAGEDATS ‹2.9.2 GTS-TYPEATS2.11 PREPARATION BEFORE START-UP ‹2.11.2 TRANSFER SWITCH‹2.11.3 FUEL SYSTEM ‹2.11.4 GENERATOR SET LUBRICATIONPos2 OFF — ATS Application Included switch 3.1USING AN ENGINEERED “GTS” TRANSFER SWITCHGTS Mode Operation ‹3.2.1 AUTO/OFF/MANUAL SWITCH‹3.2.5 SET EXERCISE TIME SWITCH 3.4ENGINE GOVERNOR ADJUSTMENTSFigure 3.2 — Engine Governor Adjustment DIP SWITCH3.6AUTOMATIC OPERATION Figure 3.2 - “Set Exercise Time” Switch3.7WEEKLY EXERCISE CYCLE 3.5RETRANSFER AND SHUTDOWN4.3OVERLOAD PROTECTION FOR ‹4.4.2 BATTERY FLUIDENGINE DC ELECTRICAL SYSTEM 4.4CHECKING FLUID LEVELSDANGER 4.5MAINTENANCE OWNER/ OPERATOR CAN PERFORM‹4.6.1 CLEANING THE GENERATOR 4.6MISCELLANEOUS MAINTENANCE‹4.5.11 CHANGING THE ENGINE AIR CLEANER ‹4.6.2 BATTERY‹4.6.4 BATTERY REPLACEMENT ‹4.6.3 BATTERY MAINTENANCEDANGER Service Maintenance Interval Information 4.7SCHEDULED MAINTENANCE•Turn off the battery charger •Remove the negative battery cableLevel MaintenanceTasks LevelLevel MaintenanceLevel LevelPROBLEM TROUBLESHOOTING POINTSCAUSE CORRECTIONWiring Diagram — Engine — Drawing No. 0E8115-A Section 6 - Electrical Data24 Generac Power Systems, Inc Guardian 40kW Liquid-cooledGeneratorsSection 6 - Electrical Data Generac Power Systems, Inc.Section 6 - Electrical Data 26 Generac Power Systems, IncGuardian 40kW Liquid-cooledGenerators Section 6 - Electrical Data Generac Power Systems, Inc.2 CARRIER REAR BEARING PART NO ITEMDESCRIPTION Section 7 - Exploded Views and Parts30 32 PART NO ITEMDESCRIPTION Section 7 - Exploded Views and PartsSection 7 - Exploded Views and Parts 32 Generac Power Systems, IncPART NO ITEMDESCRIPTION ITEMSection 7 - Exploded Views and Parts 34 Generac Power Systems, IncPART NO ITEMDESCRIPTION ITEM9 15 10 20 1 A PART NO ITEMDESCRIPTION Section 7 - Exploded Views and PartsTO ENGINE PART NO ITEMDESCRIPTION 033212Guardian 40kW Liquid-cooledGenerators Section 7 - Exploded Views and PartsAlternator — Drawing No. 0E5146-B LEADSPART NO ITEMDESCRIPTION 0E5093APART NO ITEMDESCRIPTION ITEMInstallation Diagram — Drawing No. 0E8422-A Section 8 — Installation DiagramGenerac Power Systems, Inc. Guardian 40kW Liquid-cooledGeneratorsSection 9 - Notes 44 Generac Power Systems, IncGuardian 40kW Liquid-cooledGenerators Section 9 - Notes Generac Power Systems, Inc.Guardian 40kW Liquid-cooledGenerators WARRANTY SCHEDULE Section 10 – WarrantyTHIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING GENERAC POWER SYSTEMS, INC