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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 – 12 Circuit Load Center – Drawing No. 0E7687$

Page 40

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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

Not intended for use as Primary Power in place of utility or in life-support applicationsInstallation and Owner’s Manual DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY‹ CONTENTS ‹ OPERATION AND MAINTENANCE‹ HOW TO OBTAIN SERVICE INTRODUCTIONSection 2 - Post Installation Start-up and AdjustmentsSection 4 - Maintenance Section 5 - Troubleshooting GENERAL HAZARDS  IMPORTANT SAFETY INSTRUCTIONS WARNING  DANGER ELECTRICAL HAZARDS   FIRE HAZARDS  EXPLOSION HAZARDS  ‹ STANDARDS INDEX‹ 1.3.1 SECTION 210.12 ARC FAULT CIRCUIT INTERRUPTER PROTECTION 1.1 UNPACKING/INSPECTION1.2 PROTECTION SYSTEMS BREAKER FOR BEDROOMS1.4 THE GENERATOR Figure 1.1 - 7 kW, Single Cylinder GH-410 EngineFigure 1.2 - 12 kW and 15 kW, V-twin GT-990/760 Engine Section 1 - General Information1.5 SPECIFICATIONS ‹ 1.5.1 GENERATOR‹ 1.5.2 ENGINE Section 1 - General Information1.9 RECONFIGURING THE FUEL SYSTEM 1.6 SYSTEM SET LED1.7 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.8 FUEL CONSUMPTION1.10 LOCATION ‹ 1.9.2 12KW AND 15KW, V-TWIN ENGINES‹ 1.10.1 GENERATOR Figure 1.4 - Demand Regulator1.11 BATTERY INSTALLATION 1.12 THE BATTERY‹ 1.10.2 TRANSFER SWITCH 1.10.2.1 7 kW, 12 kW and 15 kW Units Figure 1.5 - Battery Cable Connections2.2 CHECK TRANSFER SWITCH OPERATION 2.1 BEFORE INITIAL START-UP2.3 ELECTRICAL CHECKS Section 2 - Post Installation Start-up and Adjustments2.4 GENERATOR TESTS UNDER LOAD 2.5 CHECKING AUTOMATIC OPERATIONSection 2 - Post Installation Start-up and Adjustments DANGER2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY Figure 2.2 - Placement of RegulatorFigure 2.1 - Dual Fuel Regulators Section 2 - Post Installation Start-up and Adjustments2.7 ENGINE GOVERNOR ADJUSTMENT Figure 2.3 - Engine Governor Adjustment Single Cylinder EnginesFigure 2.4 - Engine Governor Adjustment V-twin Engines Figure 2.5 - Full Load Speed Adjust Screw V-twin Engines2.8 VOLTAGE REGULATOR ADJUSTMENT 3.1 BREAK-IN PROCEDUREFigure 2.6 - Voltage Adjustment Potentiometer ‹ 3.2.1 “AUTO” POSITION‹ 3.3.1 12 VDC ACCESSORY OUTLET 3.3 AUTOMATIC TRANSFER OPERATION3.4 SEQUENCE OF AUTOMATIC OPERATION ‹ 3.2.2 “OFF” POSITION‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE Figure 3.2 - Manual Transfer Switch Operation‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE 3.5 MANUAL TRANSFER OPERATION3.6 SETTING THE EXERCISE TIMER ‹ 3.7.2 HIGH TEMPERATURE SWITCH‹ 3.7.1 LOW OIL PRESSURE SWITCH Figure 3.3 - Low Oil Pressure and High Temperature Switches4.1 FUSES 4.2 CHECKING THE ENGINE OIL LEVELOil Dipstick and Fill ‹ 3.7.4 OVERSPEED4.5 CHANGING THE ENGINE AIR CLEANER ‹ 4.3.2 OIL CHANGE PROCEDUREFigure 4.6 - 7 kW, Engine Air Cleaner Location Air Cleaner4.7 BATTERY MAINTENANCE Figure 4.7 - 12 kW and 15 kW Engine Air CleanerFigure 4.8 - Setting the Spark Plug Gap 4.6 SPARK PLUGS4.8 ADJUSTING GH-410/GT-990/760 VALVE CLEARANCE Figure 4.10 - Valve Clearance Adjustment4.9 COOLING SYSTEM Figure 4.9 - Cooling Vent Locations4.12 OUT OF SERVICE PROCEDURE ‹ 4.12.1 REMOVAL FROM SERVICE‹ 4.12.2 RETURN TO SERVICE 4.10 ATTENTION AFTER SUBMERSION4.13 SERVICE SCHEDULE ATTENTION It is recommended that all service workSection 4 - Maintenance be performed by the nearest Authorized Dealer5.1 TROUBLESHOOTING GUIDE ProblemCause 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 Wiring Diagram - V-Twin - Drawing No. 0E9016 Section 7 - Electrical DataAir-cooled 7 kW, 12 kW and 15 kW Generators CUSTOMER CONNECTIONBATTERY Section 7 - Electrical DataSection 7 - Electrical Data Wiring Diagram - Single Cylinder - Drawing No. 0E9014 ENGINE WIRINGLOP - LOW OIL PRESSURE SWITCH SC - STARTER CONTACTOR SW1 - AUTO / OFF / MANUAL SWITCH SW2 - SET EXERCISE SWITCHSection 7 - Electrical Data Wiring Diagram - Single Cylinder - Drawing No. 0E9014Air-cooled 7 kW, 12 kW and 15 kW Generators Section 7 - Electrical Data Electrical Schematic - Single Cylinder - Drawing No. 0E9015Air-cooled 7 kW, 12 kW and 15 kW Generators Section 7 - Electrical Data Section 7 - Electrical Data Wiring Diagram - 8 Circuit Load Center - Drawing No. 0E7687AAir-cooled 7 kW, 12 kW and 15 kW Generators Section 7 - Electrical Data Section 7 - Electrical Data Wiring Diagram - 12 Circuit Load Center - Drawing No. 0E7687$Air-cooled 7 kW, 12 kW and 15 kW Generators Section 7 - Electrical Data Electrical Schematic - 8 Circuit Load Center - Drawing No. 0E7815A TS-TERMINAL STRIP XA,XB-LIMIT SWITCHESATS-AUTOMATIC TRANSFER SWITCH Section 7 - Electrical DataSection 7 - Electrical Data Section 8 - Exploded Views and Parts Lists PRE PACKAGED UNITS ONLYSection 8 - Exploded Views and Parts Lists PART NO. QTY. DESCRIPTIONPART NO. QTY. DESCRIPTION Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 8 - Exploded Views and Parts Lists Section 8 - Exploded Views and Parts Lists PART NO. QTYDESCRIPTION PART NO. QTY7 kW, 8 Circuit Load Center Assembly - Drawing No. 0E7975-B Section 8 - Exploded Views and Parts ListsAir-cooled 7 kW, 12 kW and 15 kW Generators Section 8 - Exploded Views and Parts Lists 7 kW, 8 Circuit Load Center Assembly - Drawing No. 0E7975-BDESCRIPTION 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 GeneratorsDESCRIPTION Section 8 - Exploded Views and Parts ListsAir-cooled 7 kW, 12 kW and 15 kW Generators Views and Parts Lists GT-990/760Air-cooled EngineSection 8 - Exploded Views and Parts Lists PART NO. QTY. DESCRIPTIONPART NO. QTY. DESCRIPTION Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 8 - Exploded Views and Parts Lists Section 8 - Exploded Views and Parts Lists PART NO. QTY. DESCRIPTIONPART NO. QTY. DESCRIPTION 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 Lists7 kW Generator - Drawing No. 0D3504-E Section 8 - Exploded Views and Parts Lists DESCRIPTIONAir-cooled 7 kW, 12 kW and 15 kW Generators 7 kW Generator - Drawing No. 0D3504-ESection 8 - Exploded Views and Parts Lists 32 31Air-cooled 7 kW, 12 kW and 15 kW Generators 12 kW and 15 kW Generator - Drawing No. 0D3417-LSection 8 - Exploded Views and Parts Lists DESCRIPTIONAir-cooled 7 kW, 12 kW and 15 kW Generators 12 kW and 15 kW Generator - Drawing No. 0D3417-LSection 8 - Exploded Views and Parts Lists Section 8 - Exploded Views and Parts Lists DESCRIPTIONAir-cooled 7 kW, 12 kW and 15 kW Generators GN410 Engine - Drawing No. 0F3981-A PartSection 8 - Exploded Views and Parts Lists Section 8 - Exploded Views and Parts Lists DESCRIPTIONAir-cooled 7 kW, 12 kW and 15 kW Generators GN410 Engine - Drawing No. 0F3981-A PartPART NO. QTY DESCRIPTIONPART NO. QTY DESCRIPTIONSection 9 - Mounting Dimensions ALL DIMENSIONS IN MILLIMETERS INCHESTRANSFER SWITCH IF SUPPLIED Air-cooled 7 kW, 12 kW and 15 kW Generators Drawing No. 0D3739-CYOUR WARRANTY RIGHTS AND OBLIGATIONS MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGEPURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES CALIFORNIA EMISSION CONTROL WARRANTY STATEMENTEMISSION CONTROL SYSTEM WARRANTY EMISSION RELATED PARTS INCLUDE THE FOLLOWINGSection 10 - Warranty Air-cooled 7 kW, 12 kW and 15 kW GeneratorsGENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIAN WARRANTY SCHEDULETHIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS