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Generac Power Systems 004988-1 owner manual Liquid-cooled,Prepackaged Standby Generators

Models: 004988-1

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Owner’s Manual

Liquid-cooled, Prepackaged

Standby Generators

Model Number: 004988-1

This manual should remain with the unit.

ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS

SHOULD ATTEMPT INSTALLATION!!

Page 1

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Generac Power Systems 004988-1 owner manual Liquid-cooled,Prepackaged Standby Generators, Model Number

Contents

Liquid-cooled,Prepackaged Standby Generators SHOULD ATTEMPT INSTALLATIONModel Number This manual should remain with the unit‹OPERATION AND MAINTENANCE AUTHORIZED SERVICE DEALER LOCATION‹HOW TO OBTAIN SERVICE This symbol points out important safety informaINTRODUCTION Table of ContentsDespite the safe design of this generator GENERAL HAZARDSParts of the generator are rotating and/or hot DANGERFIRE HAZARDS ELECTRICAL HAZARDSEXPLOSION HAZARDS 1.1GENERATOR 1.2TRANSFER SWITCH1.3AUTOMATIC SYSTEM OPERATION 1.4GENERATOR AC CONNECTION SYSTEMS‹1.7.1 LOW OIL PRESSURE SWITCH ‹1.7.2 HIGH COOLANT TEMPERATURE SWITCH‹1.7.3 LOW COOLANT LEVEL SWITCH Figure 1.5- High Coolant Temperature Switch‹1.7.8 ALARM RESET ‹ 1.7.7 LOW BATTERY‹1.8.1 UNPACKING PRECAUTIONS Figure 1.7 - Printed Circuit Board Assembly1.12RECONFIGURING 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 Temperature2.4BASIC STANDBY ELECTRIC SYSTEM 2.3GENERATOR MOUNTING AND SUPPORT2.2GENERATOR LOCATION 2.5EMERGENCY CIRCUIT ISOLATION METHOD2.6TOTAL CIRCUIT ISOLATION METHOD 2.9TRANSFER SWITCH SIGNAL CONNECTIONS2.7GROUNDING THE GENERATOR 2.8GENERATOR AC NEUTRAL CONNECTIONS‹2.11.2 TRANSFER SWITCH 2.10 BATTERY INSTALLATIONStandby generators installed with automatic 2.11 PREPARATION BEFORE START-UP‹3.2.1 AUTO/OFF/MANUAL SWITCH 3.1USING A STANDARD “GTS” TRANSFER SWITCHWith switch set to AUTO, engine can crank and 3.2CONTROL CONSOLE COMPONENTS‹3.2.2 FAULT INDICATOR LED 3.4ENGINE GOVERNOR ADJUSTMENTS‹3.2.5 SET EXERCISE TIME SWITCH 3.3MANUAL TRANSFER AND START-UPFigure 3.2 - “Set Exercise” Switch Figure 3.2 - Engine Governor Adjustment3.7WEEKLY 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‹4.5.11 CHANGING THE ENGINE AIR CLEANER 4.6MISCELLANEOUS MAINTENANCE‹4.6.1 CLEANING THE GENERATOR ‹4.6.2 BATTERY‹4.6.4 BATTERY REPLACEMENT ‹4.6.3 BATTERY MAINTENANCEStorage batteries give off explosive hydrogen DANGERService Maintenance Interval Information 4.7SCHEDULED MAINTENANCETurn off the battery charger Remove the negative battery cableLevel MaintenanceTasks LevelLevel MaintenanceLevel LevelPROBLEM TROUBLESHOOTING POINTSCAUSE CORRECTIONInstallation Diagram - Drawing No. 0E8695 Section 6 - Installation DiagramGenerac Power Systems, Inc Guardian Liquid-cooled27 kW and 30 kW GeneratorsSTATOR CUSTOMER CONNECTIONPCB J1 PCB J2GND1 Section 7 - Electrical DataCONNECTION AR D1Page STARTER CARRIER BOLT DESCRIPTION Section 8 - Exploded Views and Parts Section 8 - Exploded Views and Parts DESCRIPTIONGuardian Liquid-cooled27 kW and 30 kW Generators Compartment - Drawing No. 0E8333-DSection 8 - Exploded Views and Parts 32 Generac Power Systems, IncDESCRIPTION DESCRIPTIONSection 8 - Exploded Views and Parts 34 Generac Power Systems, IncDESCRIPTION DESCRIPTIONTO A 12 5 12 2 24 3 1 20 AFRAME Section 8 - Exploded Views and Parts DESCRIPTIONGuardian Liquid-cooled27 kW and 30 kW Generators Radiator - Drawing No. 0E8528-BPage WELDMENT MOUNTING BASE DESCRIPTION201914 0F1659A DESCRIPTIONDESCRIPTION DESCRIPTIONDESCRIPTION DESCRIPTIONGuardian Liquid-cooled27 kW and 30 kW Generators 44 Generac Power Systems, IncGuardian Liquid-cooled27 kW and 30 kW Generators Generac Power Systems, IncWARRANTY SCHEDULE Section 10 - WarrantyTHIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING GENERAC POWER SYSTEMS, INC