Manuals / Generac / Lawn and Garden / Portable Generator

Generac 004626-1, 004373-2, 004373-2, 004626-1 Electrical Data, Generac Power Systems, Inc

Models: 004626-1, 004373-2 004373-2, 004626-1

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Section 6 — Electrical Data

(Model Nos. 004373-2 & 004262-1) Guardian Liquid-cooled 40 kW Generator Electrical Schematic — Engine (4.3L) – Drawing No. 0A4592-B

Generac® Power Systems, Inc. 25

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Generac 004626-1, 004373-2, 004373-2, 004626-1 owner manual Electrical Data, Generac Power Systems, Inc

Contents

004373-2 40 kW/Single-phase w/ 200 Amp Transfer Switch Liquid-cooled, Prepackaged Standby GeneratorsPOWER SYSTEMS, INC SHOULD ATTEMPT INSTALLATIONThis symbol points out important safety informa CONTENTSOPERATION AND MAINTENANCE HOW TO OBTAIN SERVICETable of Contents Miscellaneous MaintenanceEngine DC Electrical System during operation. Exercise care near running gen- erators GENERAL HAZARDSDespite the safe design of this generator Parts of the generator are rotating and/or hotELECTRICAL HAZARDS FIRE HAZARDSEXPLOSION HAZARDS 1.1 UNPACKING/INSPECTION 1.4 PREPACKAGED TRANSFER SWITCHFigure 1.1 - Single-phase Generator AC Connection System The generator’s weight of more than 2,0001.6 MAIN CIRCUIT BREAKER 1.8 SPECIFICATIONS1.7.3 LOW COOLANT LEVEL SWITCH 1.7.1 LOW OIL PRESSURE SWITCH1.9.1 CONVERSION TO LP GAS VAPOR 1.9 FUEL REQUIREMENTS AND RECOMMENDATIONS1.8.1.1 Generator and Load Compatibility 1.8.2 ENGINE1.12.1 AIR FUEL RATIO CONTROLLER 1.11 COOLANT1.12 EMISSIONS CONTROL SYSTEM 1.10 ENGINE OIL RECOMMENDATIONSOTHER PUBLISHED STANDARDS STANDBY GENERATOR INSTALLATION2.1 BASIC STANDBY ELECTRIC SYSTEM NFPA STANDARDS2.2 EMERGENCY CIRCUIT ISOLATION METHOD 2.6 TRANSFER SWITCH START SIGNAL CONNECTIONS2.6.1 Pre-Packaged Type Switch 2.6.2 “GTS” Type Engineered Switch2.8 PREPARATION BEFORE START-UP 2.7 BATTERY INSTALLATIONDO NOT SMOKE when near batteries DO NOT cause flame or spark in battery area, and2.8.6 Belt Tension 2.8.2 Transfer Switch2.8.1 PRIOR TO INITIAL START-UP 2.8.3 Fuel System3.1 CONTROL CONSOLE COMPONENTS 3.2 USING THE AUTO/OFF/MANUAL SWITCH3.3 AUTOMATIC TRANSFER OPERATION With the switch set to AUTO, the engine may3.2.2 “OFF” POSITION 3.2.3 “MANUAL” POSITION4.1 CHECKING THE ENGINE OIL LEVEL Figure 3.3 - “Set Exercise” Switch on Control PanelIf you switch the Auto/Off/Manual switch is 3.6 WEEKLY EXERCISE CYCLE4.2.1 Engine Oil Recommendations 4.2.2 Oil and Filter Change Procedure4.3 CHANGING THE ENGINE AIR CLEANER 4.2 CHANGING THE ENGINE OIL AND FILTERFigure 4.4 - Setting the Spark Plug Gap 4.5 BATTERY MAINTENANCEBattery replacement Figure 4.3 - Engine Air Cleaner4.9 ENGINE COOLANT 4.10 MISCELLANEOUS MAINTENANCE 4.10.1 Cleaning the Generator4.7 OVERLOAD PROTECTION FOR ENGINE DC ELECTRICAL SYSTEM 4.8 DC FUSE4.11 OUT OF SERVICE PROCEDURE 4.11.1 Removal From Service 4.11.2 Return To Service4.10.2 Rodent Protection 4.12 SERVICE SCHEDULE ATTENTION It is recommended that all service workbe performed by your nearest Generac/Guardian Authorized Dealer CORRECTION 5.1 TROUBLESHOOTING GUIDEPROBLEM CAUSEModel No Schematic ControlGenerac Power Systems, Inc Electrical004373 22 Generac Power SystemsModel No. WiringDiagram SectionSection 6 - Electrical Data Power Systems, IncModel No. 004626-1 Guardian Schematic Control GeneracSection 6 -ElectricalData Generac Power Systems,IncSection 6 - Electrical Data Generac Power Systems, Inc26 Generac Power Systems, Inc Section 6 - Electrical Data Generac Power Systems, Inc004262-1 Guardian Wiring Diagram28 Generac Power Systems, Inc Panel - Drawing No120/240-V. 1-PHASE CUSTOMER CONNECTIONT2 T1 U N2 T N1 S Electrical Schematic - Lower Panel - Drawing No. 0D5997Model No. 004373-2 Guardian Liquid-cooled PANEL FACEPower Control Panel - Drawing No. 0D4995-CPART NO. QTY. DESCRIPTION PART NO. QTY. DESCRIPTION0D1523 Model No. 004626-1 Guardian Liquid-cooled 32 Generac Power Systems, IncNO USER SERVICEABLE PARTS Control Panel - Drawing No. 0D6978-ADESCRIPTION PART NO. QTYDESCRIPTION PART NO. QTY34 Generac Power Systems, Inc PART NO.QTYDESCRIPTION On Oil Pan DESCRIPTIONDESCRIPTION To Oil Drain36 Generac Power Systems, Inc 464031 33 PART NO.QTY. DESCRIPTION For internal engine parts use Engine Parts Manual P/N 0D3749Model Nos. 004373-2 & 004626-1 Guardian Liquid-cooled 40 kW Generator Engine Common Parts - Drawing No. 0A4304-L38 Generac Power Systems, Inc HARNESS 4.3L STD WIRE NOT SHOWN CONNECTOR COIL TO DISTRIBUTORHOUSING THERMOSTAT/WATER INLET 40KW GUARDIAN WIRE HARNESS NOTLEADS TO ENGINE FlLYWHEEL ADJUSTMENTENGINEROTATENOTDODURING THIS ADJUSTMENT STATORDESCRIPTION ASSEMBLY FAN W/PRESS DISC 10.75 XDESCRIPTION PART NO. QTY42 Generac Power Systems, Inc DESCRIPTIONDESCRIPTION KIT PART NO. 0D7947 Section 7 - Exploded Views and Parts ListsDESCRIPTION DESCRIPTIONMOTOR USE FASTENER LOCATED ON ALTERNATOR FAN SCROLLREGULATOR TO STEPPERDESCRIPTION PART NO. QTYDESCRIPTION PART NO. QTY46 Generac Power Systems, Inc QTY. DESCRIPTIONQTY. DESCRIPTION PART NO. QTY Section 7 - Exploded Views and Parts ListsPART NO. QTY DESCRIPTIONPump QTY. DESCRIPTIONLower Radiator To Water HoseTO ENGINE BLOCK TO STARTERSOLENOID BLACKSENSING WIREALT LEADS SENSING WIRE LEADSDECAL CUSTOMER CONNECTN FOR TS DESCRIPTIONDESCRIPTION DECAL REMOTE START CONNECTION52 Generac Power Systems, Inc Exhaust Muffler - Drawing No. 0D6976-A PART NO. QTY. DESCRIPTIONPART NO. QTY. DESCRIPTION Model No 004626-1 Guardian Liquid-cooled 40 kW GeneratorsCompartment 54 Generac Power Systems, IncDESCRIPTION DESCRIPTIONGenerac Power Systems, Inc Section 8 - NotesGuardian Liquid-cooled 40 kW Generators 56 Generac Power Systems, Inc Section 9 - Installation DrawingsRECOMMENDED FUEL/ELECTRICAL STUB-UPS SEE TOP VIEW Generac Power Systems, IncPREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS GENERAC POWER SYSTEMS TWO YEAR STANDARD WARRANTY FOR GUARDIANWARRANTY SCHEDULE GENERAC POWER SYSTEMS, INC