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Generac Power Systems 04389-3, 04456-3, 04390-3 owner manual Electrical Data

Models: 04389-3, 04456-3, 04390-3

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Section 7 — Electrical Data

Air-cooled 7 kW, 12 kW and 15 kW Generators

Wiring Diagram – 8 Circuit Load Center – Drawing No. 0E7687A

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Generac Power Systems 04389-3, 04456-3, 04390-3 owner manual Electrical Data, Air-cooled 7 kW, 12 kW and 15 kW Generators

Contents

Installation and Owner’s Manual Not intended for use as Primary Power in place of utility or inlife-support applications DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY‹ HOW TO OBTAIN SERVICE ‹ CONTENTS‹ OPERATION AND MAINTENANCE INTRODUCTIONSection 4 - Maintenance Section 2 - Post Installation Start-upand Adjustments Section 5 - Troubleshooting WARNING   GENERAL HAZARDS IMPORTANT SAFETY INSTRUCTIONS DANGER EXPLOSION HAZARDS   ELECTRICAL HAZARDS  FIRE HAZARDS  ‹ STANDARDS INDEX1.2 PROTECTION SYSTEMS ‹ 1.3.1 SECTION 210.12 ARC FAULT CIRCUIT INTERRUPTER PROTECTION1.1 UNPACKING/INSPECTION BREAKER FOR BEDROOMSFigure 1.2 - 12 kW and 15 kW, V-twin GT-990/760 Engine 1.4 THE GENERATORFigure 1.1 - 7 kW, Single Cylinder GH-410 Engine Section 1 - General Information‹ 1.5.2 ENGINE 1.5 SPECIFICATIONS‹ 1.5.1 GENERATOR Section 1 - General Information1.7 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.9 RECONFIGURING THE FUEL SYSTEM1.6 SYSTEM SET LED 1.8 FUEL CONSUMPTION‹ 1.10.1 GENERATOR 1.10 LOCATION‹ 1.9.2 12KW AND 15KW, V-TWIN ENGINES Figure 1.4 - Demand Regulator‹ 1.10.2 TRANSFER SWITCH 1.10.2.1 7 kW, 12 kW and 15 kW Units 1.11 BATTERY INSTALLATION1.12 THE BATTERY Figure 1.5 - Battery Cable Connections2.3 ELECTRICAL CHECKS 2.2 CHECK TRANSFER SWITCH OPERATION2.1 BEFORE INITIAL START-UP Section 2 - Post Installation Start-up and AdjustmentsSection 2 - Post Installation Start-up and Adjustments 2.4 GENERATOR TESTS UNDER LOAD2.5 CHECKING AUTOMATIC OPERATION DANGERFigure 2.1 - Dual Fuel Regulators 2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLYFigure 2.2 - Placement of Regulator Section 2 - Post Installation Start-up and AdjustmentsFigure 2.4 - Engine Governor Adjustment V-twin Engines 2.7 ENGINE GOVERNOR ADJUSTMENTFigure 2.3 - Engine Governor Adjustment Single Cylinder Engines Figure 2.5 - Full Load Speed Adjust Screw V-twin EnginesFigure 2.6 - Voltage Adjustment Potentiometer 2.8 VOLTAGE REGULATOR ADJUSTMENT3.1 BREAK-IN PROCEDURE ‹ 3.2.1 “AUTO” POSITION3.4 SEQUENCE OF AUTOMATIC OPERATION ‹ 3.3.1 12 VDC ACCESSORY OUTLET3.3 AUTOMATIC TRANSFER OPERATION ‹ 3.2.2 “OFF” POSITION‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE ‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCEFigure 3.2 - Manual Transfer Switch Operation 3.5 MANUAL TRANSFER OPERATION‹ 3.7.1 LOW OIL PRESSURE SWITCH 3.6 SETTING THE EXERCISE TIMER‹ 3.7.2 HIGH TEMPERATURE SWITCH Figure 3.3 - Low Oil Pressure and High Temperature SwitchesOil Dipstick and Fill 4.1 FUSES4.2 CHECKING THE ENGINE OIL LEVEL ‹ 3.7.4 OVERSPEEDFigure 4.6 - 7 kW, Engine Air Cleaner Location 4.5 CHANGING THE ENGINE AIR CLEANER‹ 4.3.2 OIL CHANGE PROCEDURE Air CleanerFigure 4.8 - Setting the Spark Plug Gap 4.7 BATTERY MAINTENANCEFigure 4.7 - 12 kW and 15 kW Engine Air Cleaner 4.6 SPARK PLUGS4.9 COOLING SYSTEM 4.8 ADJUSTING GH-410/GT-990/760 VALVE CLEARANCEFigure 4.10 - Valve Clearance Adjustment Figure 4.9 - Cooling Vent Locations‹ 4.12.2 RETURN TO SERVICE 4.12 OUT OF SERVICE PROCEDURE‹ 4.12.1 REMOVAL FROM SERVICE 4.10 ATTENTION AFTER SUBMERSIONSection 4 - Maintenance 4.13 SERVICE SCHEDULEATTENTION It is recommended that all service work be performed by the nearest Authorized DealerCause 5.1 TROUBLESHOOTING GUIDEProblem CorrectionSection 6 - Notes Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 6 - Notes Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 6 - Notes Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 7 - Electrical Data Air-cooled 7 kW, 12 kW and 15 kW Generators Wiring Diagram - V-Twin - Drawing No. 0E9016Section 7 - Electrical Data CUSTOMER CONNECTIONBATTERY Section 7 - Electrical DataSection 7 - Electrical Data LOP - LOW OIL PRESSURE SWITCH SC - STARTER CONTACTOR Wiring Diagram - Single Cylinder - Drawing No. 0E9014ENGINE WIRING SW1 - AUTO / OFF / MANUAL SWITCH SW2 - SET EXERCISE SWITCHAir-cooled 7 kW, 12 kW and 15 kW Generators Wiring Diagram - Single Cylinder - Drawing No. 0E9014Section 7 - Electrical Data Air-cooled 7 kW, 12 kW and 15 kW Generators Electrical Schematic - Single Cylinder - Drawing No. 0E9015Section 7 - Electrical Data Section 7 - Electrical Data Air-cooled 7 kW, 12 kW and 15 kW Generators Wiring Diagram - 8 Circuit Load Center - Drawing No. 0E7687ASection 7 - Electrical Data Section 7 - Electrical Data Air-cooled 7 kW, 12 kW and 15 kW Generators Wiring Diagram - 12 Circuit Load Center - Drawing No. 0E7687$Section 7 - Electrical Data Section 7 - Electrical Data ATS-AUTOMATIC TRANSFER SWITCH Electrical Schematic - 8 Circuit Load Center - Drawing No. 0E7815ATS-TERMINAL STRIP XA,XB-LIMIT SWITCHES Section 7 - Electrical DataSection 7 - Electrical Data Section 8 - Exploded Views and Parts Lists PRE PACKAGED UNITS ONLYPART NO. QTY. DESCRIPTION Section 8 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 8 - Exploded Views and Parts Lists DESCRIPTION Section 8 - Exploded Views and Parts ListsPART NO. QTY PART NO. QTYAir-cooled 7 kW, 12 kW and 15 kW Generators Section 8 - Exploded Views and Parts Lists7 kW, 8 Circuit Load Center Assembly - Drawing No. 0E7975-B DESCRIPTION Section 8 - Exploded Views and Parts Lists7 kW, 8 Circuit Load Center Assembly - Drawing No. 0E7975-B Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 8 - Exploded Views and Parts Lists Air-cooled 7 kW, 12 kW and 15 kW GeneratorsAir-cooled 7 kW, 12 kW and 15 kW Generators Section 8 - Exploded Views and Parts ListsDESCRIPTION Air-cooled Views and Parts ListsGT-990/760 EnginePART NO. QTY. DESCRIPTION Section 8 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 8 - Exploded Views and Parts Lists PART NO. QTY. DESCRIPTION Section 8 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION Air-cooled 7 kW, 12 kW and 15 kW Generators7 kW Generator - Drawing No. 0D3504-E Section 8 - Exploded Views and Parts ListsAir-cooled 7 kW, 12 kW and 15 kW Generators Air-cooled 7 kW, 12 kW and 15 kW Generators Section 8 - Exploded Views and Parts ListsDESCRIPTION 7 kW Generator - Drawing No. 0D3504-EAir-cooled 7 kW, 12 kW and 15 kW Generators Section 8 - Exploded Views and Parts Lists32 31 12 kW and 15 kW Generator - Drawing No. 0D3417-LAir-cooled 7 kW, 12 kW and 15 kW Generators Section 8 - Exploded Views and Parts ListsDESCRIPTION 12 kW and 15 kW Generator - Drawing No. 0D3417-LSection 8 - Exploded Views and Parts Lists Air-cooled 7 kW, 12 kW and 15 kW Generators Section 8 - Exploded Views and Parts ListsDESCRIPTION GN410 Engine - Drawing No. 0F3981-A PartSection 8 - Exploded Views and Parts Lists Air-cooled 7 kW, 12 kW and 15 kW Generators Section 8 - Exploded Views and Parts ListsDESCRIPTION GN410 Engine - Drawing No. 0F3981-A PartPART NO. QTY PART NO. QTYDESCRIPTION DESCRIPTIONTRANSFER SWITCH IF SUPPLIED Section 9 - Mounting DimensionsALL DIMENSIONS IN MILLIMETERS INCHES Air-cooled 7 kW, 12 kW and 15 kW Generators Drawing No. 0D3739-CPURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES YOUR WARRANTY RIGHTS AND OBLIGATIONSMANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE CALIFORNIA EMISSION CONTROL WARRANTY STATEMENTSection 10 - Warranty EMISSION CONTROL SYSTEM WARRANTYEMISSION RELATED PARTS INCLUDE THE FOLLOWING Air-cooled 7 kW, 12 kW and 15 kW GeneratorsTHIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIANWARRANTY SCHEDULE PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS