Manuals / Generac / Lawn and Garden / Portable Generator

Generac 004373-2, 004626-1, 004626-1, 004373-2 owner manual 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 Wiring Diagram — Engine (4.3L) – Drawing No. 0A4591-B

26 Generac® Power Systems, Inc.

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

Contents

Liquid-cooled, Prepackaged Standby Generators POWER SYSTEMS, INCSHOULD ATTEMPT INSTALLATION 004373-2 40 kW/Single-phase w/ 200 Amp Transfer SwitchCONTENTS OPERATION AND MAINTENANCEHOW TO OBTAIN SERVICE This symbol points out important safety informaMiscellaneous Maintenance Table of ContentsEngine DC Electrical System GENERAL HAZARDS Despite the safe design of this generatorParts of the generator are rotating and/or hot during operation. Exercise care near running gen- eratorsFIRE HAZARDS ELECTRICAL HAZARDSEXPLOSION HAZARDS 1.4 PREPACKAGED TRANSFER SWITCH Figure 1.1 - Single-phase Generator AC Connection SystemThe generator’s weight of more than 2,000 1.1 UNPACKING/INSPECTION1.8 SPECIFICATIONS 1.7.3 LOW COOLANT LEVEL SWITCH1.7.1 LOW OIL PRESSURE SWITCH 1.6 MAIN CIRCUIT BREAKER1.9 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.8.1.1 Generator and Load Compatibility1.8.2 ENGINE 1.9.1 CONVERSION TO LP GAS VAPOR1.11 COOLANT 1.12 EMISSIONS CONTROL SYSTEM1.10 ENGINE OIL RECOMMENDATIONS 1.12.1 AIR FUEL RATIO CONTROLLERSTANDBY GENERATOR INSTALLATION 2.1 BASIC STANDBY ELECTRIC SYSTEMNFPA STANDARDS OTHER PUBLISHED STANDARDS2.6 TRANSFER SWITCH START SIGNAL CONNECTIONS 2.6.1 Pre-Packaged Type Switch2.6.2 “GTS” Type Engineered Switch 2.2 EMERGENCY CIRCUIT ISOLATION METHOD2.7 BATTERY INSTALLATION DO NOT SMOKE when near batteriesDO NOT cause flame or spark in battery area, and 2.8 PREPARATION BEFORE START-UP2.8.2 Transfer Switch 2.8.1 PRIOR TO INITIAL START-UP2.8.3 Fuel System 2.8.6 Belt Tension3.2 USING THE AUTO/OFF/MANUAL SWITCH 3.1 CONTROL CONSOLE COMPONENTSWith the switch set to AUTO, the engine may 3.2.2 “OFF” POSITION3.2.3 “MANUAL” POSITION 3.3 AUTOMATIC TRANSFER OPERATIONFigure 3.3 - “Set Exercise” Switch on Control Panel If you switch the Auto/Off/Manual switch is3.6 WEEKLY EXERCISE CYCLE 4.1 CHECKING THE ENGINE OIL LEVEL4.2.2 Oil and Filter Change Procedure 4.3 CHANGING THE ENGINE AIR CLEANER4.2 CHANGING THE ENGINE OIL AND FILTER 4.2.1 Engine Oil Recommendations4.5 BATTERY MAINTENANCE Battery replacementFigure 4.3 - Engine Air Cleaner Figure 4.4 - Setting the Spark Plug Gap4.10 MISCELLANEOUS MAINTENANCE 4.10.1 Cleaning the Generator 4.7 OVERLOAD PROTECTION FOR ENGINE DC ELECTRICAL SYSTEM4.8 DC FUSE 4.9 ENGINE COOLANT4.11.2 Return To Service 4.11 OUT OF SERVICE PROCEDURE 4.11.1 Removal From Service4.10.2 Rodent Protection ATTENTION It is recommended that all service work 4.12 SERVICE SCHEDULEbe performed by your nearest Generac/Guardian Authorized Dealer 5.1 TROUBLESHOOTING GUIDE PROBLEMCAUSE CORRECTIONSchematic Control Generac Power Systems, IncElectrical Model No22 Generac Power Systems Model No. WiringDiagramSection 004373Power Systems, Inc Model No. 004626-1 Guardian Schematic ControlGenerac Section 6 - Electrical DataGenerac Power Systems,Inc Section 6 -ElectricalDataGenerac Power Systems, Inc Section 6 - Electrical Data26 Generac Power Systems, Inc Generac Power Systems, Inc Section 6 - Electrical DataWiring Diagram 28 Generac Power Systems, IncPanel - Drawing No 004262-1 GuardianCUSTOMER CONNECTION T2 T1 U N2 T N1 SElectrical Schematic - Lower Panel - Drawing No. 0D5997 120/240-V. 1-PHASEPANEL FACE PowerControl Panel - Drawing No. 0D4995-C Model No. 004373-2 Guardian Liquid-cooledPART NO. QTY. DESCRIPTION PART NO. QTY. DESCRIPTION0D1523 32 Generac Power Systems, Inc NO USER SERVICEABLE PARTSControl Panel - Drawing No. 0D6978-A Model No. 004626-1 Guardian Liquid-cooledPART NO. QTY DESCRIPTIONPART NO. QTY DESCRIPTIONPART NO.QTY 34 Generac Power Systems, IncDESCRIPTION DESCRIPTION DESCRIPTIONTo Oil Drain On Oil Pan4640 36 Generac Power Systems, Inc31 33 For internal engine parts use Engine Parts Manual P/N 0D3749 Model Nos. 004373-2 & 004626-1 Guardian Liquid-cooled 40 kW GeneratorEngine Common Parts - Drawing No. 0A4304-L PART NO.QTY. DESCRIPTION38 Generac Power Systems, Inc CONNECTOR COIL TO DISTRIBUTOR HOUSING THERMOSTAT/WATER INLET40KW GUARDIAN WIRE HARNESS NOT HARNESS 4.3L STD WIRE NOT SHOWNTO ENGINE FlLYWHEEL ADJUSTMENT ENGINEROTATENOTDODURING THIS ADJUSTMENTSTATOR LEADSASSEMBLY FAN W/PRESS DISC 10.75 X DESCRIPTIONPART NO. QTY DESCRIPTIONDESCRIPTION 42 Generac Power Systems, IncDESCRIPTION Section 7 - Exploded Views and Parts Lists DESCRIPTIONDESCRIPTION KIT PART NO. 0D7947USE FASTENER LOCATED ON ALTERNATOR FAN SCROLL REGULATORTO STEPPER MOTORPART NO. QTY DESCRIPTIONPART NO. QTY DESCRIPTIONQTY. DESCRIPTION 46 Generac Power Systems, IncQTY. DESCRIPTION Section 7 - Exploded Views and Parts Lists PART NO. QTYDESCRIPTION PART NO. QTYQTY. DESCRIPTION Lower Radiator To WaterHose PumpTO STARTER SOLENOIDBLACK TO ENGINE BLOCKWIRE ALT LEADS SENSING WIRELEADS SENSINGDESCRIPTION DESCRIPTIONDECAL REMOTE START CONNECTION DECAL CUSTOMER CONNECTN FOR TS52 Generac Power Systems, Inc PART NO. QTY. DESCRIPTION PART NO. QTY. DESCRIPTIONModel No 004626-1 Guardian Liquid-cooled 40 kW Generators Exhaust Muffler - Drawing No. 0D6976-A54 Generac Power Systems, Inc DESCRIPTIONDESCRIPTION CompartmentSection 8 - Notes Generac Power Systems, IncGuardian Liquid-cooled 40 kW Generators Section 9 - Installation Drawings 56 Generac Power Systems, IncGenerac Power Systems, Inc RECOMMENDED FUEL/ELECTRICAL STUB-UPS SEE TOP VIEWGENERAC POWER SYSTEMS TWO YEAR STANDARD WARRANTY FOR GUARDIAN WARRANTY SCHEDULEGENERAC POWER SYSTEMS, INC PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS