Generac Power Systems 004188-1, 004189-1, 004370-2, 004371-2, 004474-1, 004475-1

Section 7 - Electrical Data

Guardian Liquid-cooled 15 kW, 20 kW and 25 kW Generators

Wiring Diagram — 1.5L Gas Engine — Drawing No. 0A7176-A

Generac®Power Systems, Inc. 25

(AC OUTLET)

Contents

Main POWER SYSTEMS, INC. Owners Manual Liquid-cooled, Prepackaged Standby Generators INTRODUCTION READ THIS MANUAL THOROUGHLY www.generac.com OPERATION AND MAINTENANCE HOW TO OBTAIN SERVICE Page GENERAL HAZARDS WARNING: !! WARNING: ELECTRICAL HAZARDS FIRE HAZARDS EXPLOSION HAZARDS GENERATOR TRANSFER SWITCH AUTOMATIC SYSTEM OPERATION GENERATOR AC CONNECTION SYSTEMS Figure 1.1 - Generator AC Connection System ENGINE PROTECTIVE DEVICES Figure 1.2 - Main Circuit Breaker Figure 1.3 - Engine Protective Devices LOW OIL PRESSURE SWITCH Figure 1.4 - Low Oil Pressure Switch UNPACKING UNPACKING PRECAUTIONS INSPECTION LIFTING THE GENERATOR SPECIFICATIONS FUEL CONSUMPTION TORQUE SPECIFICATIONS ENGINE OIL RECOMMENDATIONS COOLANT RECOMMENDATIONS BEFORE INSTALLATION GENERATOR LOCATION STANDBY GENERATOR INSTALLATION GENERATOR MOUNTING AND SUPPORT BASIC STANDBY ELECTRIC SYSTEM Figure 2.2 Generator Grounding Lug (typical) Figure 2.1 Basic Standby Electric System EMERGENCY CIRCUIT ISOLATION METHOD GENERATOR AC NEUTRAL CONNECTIONS TRANSFER SWITCH START SIGNAL CONNECT IONS BATTERY INSTALLATION VENTED BATTERIES PREPARATION BEFORE START-UP PRIOR TO INITIAL START-UP Transfer Switch Fuel System Generator Set Lubrication CONTROL CONSOLE COMPONENTS Figure 3.1 - Liquid-Cooled Generator Panel AC VOLTMETER AC AMMETER AC FREQUENCY METER MANUAL TRANSFER AND START UP RETRANSFER AND SHUTDOWN AUTOMATIC OPERATION WEEKLY EXERCISE CYCLE ENGINE HEATER Figure 4.1 - Engine Block Heater MAINTENANCE PERFORMED BY AUTHORIZED SERVICE FACILITIES A. EVERY THREE MONTHS B. ONCE EVERY SIX MONTHS MAINTENANCE OWNER/OPERATOR CAN PERFORM CHECK ENGINE OIL LEVEL CHECK BATTERY EXERCISE SYSTEM INSPECT COOLING SYSTEM CHANGING ENGINE OIL Figure 4.3 - Oil Filter CHANGING THE ENGINE AIR CLEANER Figure 4.4 Engine Air Cleaner SPARK PLUGS MISCELLANEOUS MAINTENANCE CLEANING THE GENERATOR BATTERY BATTERY MAINTENANCE BATTERY REPLACEMENT TROUBLESHOOTING POINTS Service Maintenance Interval Information: Section 6 Scheduled Maintenance Maintenance Level 1 Level 2 Level 3 Level 4 Tasks Section 6 Scheduled Maintenance Maintenance Level 1 Level 2 Level 3 Level 4 Tasks Page Page Page Page Section 7 - Electrical Data Electrical Schematic 1.5L Gas Engine Drawing No. 0A7182-B LE G EN D Page 28 GeneracPower Systems, Inc. Section 8 - Exploded Views and Parts Exploded View Enclosure (25kW) Drawing No. 0C1404-D Page Page Page 32 GeneracPower Systems, Inc. C PANEL FACE " VIEW B" Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page "X " Page Page Page Page Page Page Page CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS MANUFACTURERS EMISSION CONTROL SYSTEM WARRANTY COVERAGE: PURCHASERS/OWNERS WARRANTY RESPONSIBILITIES: 1-800-333-1322 EMISSION CONTROL SYSTEM WARRANTY EMISSION RELATED PARTS INCLUDE THE FOLLOWING: WARRANTY SCHEDULE THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING:

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Models: 004188-1 004189-1 004370-2 004371-2 004474-1 004475-1