Electrical Diagrams | Miller Electric 300 P specs

SECTION 9 − ELECTRICAL DIAGRAMS

Figure 9-1. Circuit Diagram For Welding Generator

OM-4433 Page 44

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Miller Electric 300 P manual Electrical Diagrams, Circuit Diagram For Welding Generator

Contents

OM-4433218 314K ProcessesDescription File Engine Drive From Miller to You Table of Contents Warranty Symbol Usage Arc Welding Hazards Engine Hazards Compressed Air Hazards Principal Safety Standards California Proposition 65 WarningsEMF Information Radiation can cause interference Signification des symboles − Consignes DE Sécurité − Lire Avant UtilisationUN Choc Électrique peut tuer LES Fumées ET LES GAZ peuvent être dangereux LE Soudage peut provoquer un in- cendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut affecter l’ouïe LA Chaleur DU Moteur peut pro- voquer un incendie ’AIR Comprimé peut provoquer des blessures’EMPLOI Excessif peut LE Surchauffement peut endom- mager le moteur électrique LE Soudage À L’ARC risque de provoquer des interférences Pour les moteurs à essencePour les moteurs diesel Boulevard, Rexdale, Ontario, Canada M9W 1R3 téléphone − Definitions − 50 h StdStd Manufacturer’s Rating Label Symbols And Definitions − Specifications Weld, Power, And Engine SpecificationsDimensions, Weights, And Operating Angles Stick Mode MIG ModeTIG Mode Volt-Ampere Curves Curve shows typical fuel use under weld or power loads Exceeding duty cycle can damage unit and void warrantyFuel Consumption Duty Cycle And Overheating AC Generator Power Curve 150 125 100 − Installation Installing Welding GeneratorSee -2for lifting eye rating See -2for mounting information Grounding Mounting Welding Generator Installing Exhaust Pipe Tools Needed 1/2Stop engine and let cool Point exhaust pipe in desired di Activating The Dry Charge Battery If Applicable Connecting The BatteryDo not overfill battery cells Close door after connecting battery Coolant Recovery Tank Engine Prestart ChecksFuel Do not use gasoline. Gasoline will damage engine Oil Connecting To Weld Output Terminals Stick and TIG WeldingMIG and Fcaw Welding Stop engine Selecting Weld Cable Sizes 150 ft 200 ft 250 ft350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m Stop engine before Connecting To Remote 14 Receptacle RC14 Socket Information − Operating Welding Generator Front Panel Controls See Section Description Of Front Panel Controls See Section Process/Contactor Switch Process/Contactor Switch Settings Lift-ArcStart Procedure Lift-Arc Start Method TouchDo not Strike Like a Match Lift-Arc t TIG Remote Voltage/Amperage Control Generator Power Receptacles − Operating Auxiliary EquipmentAt least once a month, run engine at − Maintenance & Troubleshooting Routine Maintenance Maintenance Label Servicing Air Cleaner By the warrantyTo clean air filter Do not clean housing with air hose Inspecting And Cleaning Optional Spark Arrestor Muffler Stop engine and let cool. Reinstall cleanout plugServicing Engine Cooling System Adjusting Engine Speed On Standard Models MaximumDo not set engine speed higher Stop engine. Close door Engine Speed Adjustment Weld/Power Speed Adjust- mentEngine Speed No Load Rpm max 62.6 Hz 1250 rpm 41.6 Hz Servicing Fuel And Lubrication Systems To change oil and filterTo replace primary canister fuel filter To drain water from fuel system Overload Protection Checking Generator Brushes Replace Damaged Brushes Voltmeter/Ammeter Help Displays Help 20 DisplayHelp 25 Display Troubleshooting Welding Generator Power Engine Check for obstructed throttle solenoid Material Thickness Reference Chart − Electrical Diagrams Circuit Diagram For Welding Generator 219 228−D − RUN-IN Procedure WetstackingWelding Generator Run-In Procedure Using Load Bank Procedure at less thanStop engine Do not touch hot exhaust From flammables Do not Perform Run-In Procedure Using Resistance Grid Bank/gridFrom flammables Do not perform run-in − Generator Power Guidelines Has this symbolSelecting Equipment Grounding Generator To Truck Or Trailer Frame Grounding When Supplying Building Systems How Much Power Does Equipment Require?Earth ground if supplying Use ground device as stated Electrical codes Approximate Power Requirements For Industrial Motors Approximate Power Requirements For Farm/Home EquipmentIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running Watts Power Required To Start Motor How Much Power Can Generator Supply?Single-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 = Starting Amperage Typical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Current Load Watts Amperes − Parts List 109108 -2 107 101 102 103 100 104 106 105 81 Fig 7372 71 67 66 65 PC3 Dia Part Description Quantity Mkgs Batt Panel, Front w/Components Panel, Front w/Components -1Item FUEL/HM Control Panel Generator Rectifier Assembly Wiring Harnesses Service Your distributor also givesSupport To locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s