Miller Electric OM-4409 Stick And MIG Volt-Ampere Curves, DC Stick Mode, AC Stick Mode Optional

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4-5. Stick And MIG Volt-Ampere Curves

A.DC Stick Mode

100

								Ranges
								300	− Max
	80							185	− 525
	80							125	− 400
								85 − 250
VOLTSDC	40							55 − 125
	60
	20
	0
	0	100	200	300	400	500	600	700	800	900	1000
					DC AMPERES

B.AC Stick Mode (Optional)

100

	80
VOLTS	60
VOLTS	40
AC	40
AC
	20
	0
	0	100		200	300		400	500		600	700
					AC AMPERES
C. MIG Mode
	100
VOLTSDC	80
VOLTSDC	40
	60			MAX
				MAX
	20		MIN
	0
	0	100	200	300	400	500	600	700	800	900	1000

DC AMPERES

The volt-ampere curve shows the minimum and maximum voltage and amperage output capabilities of the welding generator. Curves of all other settings fall between the curves shown.

208 135 / 203 415 / 208 956

OM-4409 Page 15

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Contents File Engine Drive OM-4409206Processes DescriptionFrom Miller to You Table of Contents − Parts List − Operating Optional Battery Charger− Troubleshooting Troubleshooting TablesHOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion Fumes and Gases can be hazardousBuildup of GAS can injure or kill ARC Rays can burn eyes and skinCompressed Air Hazards Engine HazardsFalling Unit can cause injury Welding Wire can cause injuryHOT Parts can cause burns and injury Fire or Explosion hazardRadiation can cause interference Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationIndique des instructions spécifiques Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation UN Choc Électrique peut tuerLE Bruit peut affecter l’ouïe DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LE Soudage peut provoquer un in cendie ou une explosionDES Organes Mobiles peuvent pro voquer des blessures ’EXPLOSION DE LA Batterie peu’AIR Comprimé peut provoquer des blessures LA Chaleur DU Moteur peut pro- voquer un incendieRisque D’INCENDIE OU D’EXPLO- Sion ’EMPLOI Excessif peut LE Surchauffement peut endom- mager le moteur électriqueDES Organes Mobiles peuvent provoquer des blessures LES Fils DE Soudage peuvent provoquer des blessuresEn ce qui concerne les implants médicaux Proposition californienne 65 AvertissementsPrincipales normes de sécurité Information EMF− Definitions Symbols And DefinitionsSound Level Table − SpecificationsWeld, Power, And Engine Specifications Air Compressor SpecificationsWeight Dimensions, Weights, And Operating AnglesLifting Eye Weight Rating Stick And MIG Volt-Ampere Curves DC Stick ModeAC Stick Mode Optional MIG ModeAC TIG Mode Optional DC TIG ModeTIG Volt-Ampere Curves 40% Duty Cycle At 600 Amperes Fuel ConsumptionDuty Cycle And Overheating 100% Duty Cycle At 500 AmperesGenerator AC Power Curve 12 kVA/kW Single-Phase AC Output No Weld Load Optional 3-Phase Generator Power Curves20 kVA/kW Three-Phase AC Output No Weld Load Air Compressor Output Curve Optional Battery Charging Output CurveManufacturing Rating Label Grounding1 − InstallationInstalling Welding Generator Location/Airflow ClearanceTo Bolt Unit In Place Mounting Welding GeneratorSupporting The Unit Mounting SurfaceBe sure to tighten rain cap mounting screw Installing Optional Spark Arrestor MufflerMount the muffler with the clean- out plug to the outside Stop engine and let coolReinstall cover after connecting battery Activating The Dry Charge Battery If ApplicableConnecting The Battery Do not overfill battery cellsSwitch may be locked using a customer-supplied padlock Using The Optional Battery Disconnect SwitchStop engine Engine/Compressor Prestart Checks Stick And TIG Welding Connecting To Weld Output TerminalsMIG And Fcaw Welding Selecting Weld Cable Sizes Connecting to weld Output terminals150 ft 200 ft 250 ft Socket Connecting To Remote 14 Receptacle RC14Open Position Closed Position Connecting To The Air CompressorControls See Section − Operating the Welding GeneratorDescription Of Controls See Section Process/Contactor Switch Settings Process/Contactor SwitchExample Combination Remote Amperage Control Stick Using Remote Voltage/Amperage ControlExample Combination Remote Amperage Control TIG Is working properly − Operating Auxiliary EquipmentVolt And 240 Volt Receptacles At least once a month, run enConnecting To Optional AC Power Plant 240 V 15 a AC South African Receptacle RC1 Optional Generator Power ReceptaclesSupplementary Protector CB2 Supplementary Protector CB3 Output Selector Switch − Operating Optional Battery ChargerBattery Charge Controls Determining Battery Charging CurrentBattery Charge Cable Connections To control battery charging output using a Battery Charging ProcedureCables Jump Starting ProcedureCharge battery for 10 minutes before jump starting battery Connect Remote Or Control Device Momentary-On SwitchEngine Maintenance Label − ENGINE/GENERATOR MaintenanceRoutine Engine/Generator Maintenance Checking Generator Brushes Material Thickness Reference ChartOptional Keep nozzle 2 in 51 mm from element Servicing Engine Air CleanerAir cleaner primary element can To clean air filterReinstall cleanout plug Tools Needed Inspecting/Cleaning Optional Spark Arrestor MufflerDo not set engine speed higher than specified Adjusting Engine SpeedTo drain water from fuel system Servicing Engine Fuel And Lubrication SystemsWipe up spilled fuel To change oil and filterEngine/Generator Overload Protection Air Compressor Maintenance Label − AIR Compressor MaintenanceRoutine Air Compressor Maintenance Reinstall primary element and cover dust ejector down Servicing Compressor Air CleanerCompressor Air Cleaner Remove engine air cleaner coverSee -8for engine/genera- tor overload protection Compressor Overload ProtectionTo replace air/oil separator Servicing Air CompressorTo change compressor oil and filter Engine oil drain and compressor oilAdjusting Compressor Air Pressure Troubleshooting Tables − TroubleshootingWelding Optional AC Power Plant Standard Generator PowerEngine Air Compressor Optional Battery ChargingCircuit Diagram For Air Compressor − AIR Compressor DiagramCircuit Diagram For Welding Generator − Circuit Diagram221 915−C Wetstacking − RUN-IN ProcedureWelding Generator Cycle or equipment damage may Run-In Procedure Using Load BankFrom flammables Output and do not exceed dutyRun-In Procedure Using Resistance Grid Flow Of Free Air CFM Through Orifices Of Various Diameters − AIR Compressor TablesSec 15 sec 21 sec Selecting Equipment − Generator Power GuidelinesGrounding Generator To Truck Or Trailer Frame Amperes x Volts = Watts Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Use ground device as stated in electrical codesFarm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Industrial Motors Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentKVA/HP x HP x 1000 / Volts = Starting Amperage Power Required To Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting RequirementsTypical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Preparing Tungsten For AC Welding Preparing Tungsten For DC Electrode Negative Dcen WeldingAmperage Range Gas Type Polarity Positioning The Torch − Guidelines for TIG Welding GtawTungsten With Filler Rod Torch Movement During WeldingTungsten Without Filler Rod Welding direction Form pool Tilt torchButt Weld And Stringer Bead Joint Lap Joint Corner Joint Positioning Torch Tungsten For Various Weld Joints126 − Parts ListHardware is common and not available unless listed 133 148 147121 109 120 122 108 102 103 105 106 107 7273 Dia Part Description Quantity Mkgs 224265 199505 CT1 C1/D1 21 22CB11,CB12,CB13 2724 40 39 Hardware is common Not available unless listedCB2 Fuel Generator -1Item Generator172555 Main Rectifier Assembly 10 9 1516 8281 7371 Air Compressor AssemblyAir Compressor Assembly -1Item Clutch Your distributor also gives ServiceSupport Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact

OM-4409 specifications

The Miller Electric OM-4409 is a remarkable welding machine designed for both professional welders and enthusiastic hobbyists. Known for its reliability and efficiency, the OM-4409 stands out in the industrial landscape due to its advanced features and innovative technologies.

One of the main features of the OM-4409 is its impressive power output. With a rated output of 400 amps, it is capable of tackling a variety of welding applications, including MIG, TIG, and stick welding. This versatility allows users to switch between welding processes depending on the project requirements while ensuring consistent quality and performance.

The machine incorporates advanced inverter technology, which enhances its overall efficiency. Inverter technology allows for a compact design without sacrificing performance. The OM-4409 weighs significantly less than traditional transformer-based machines, making it more portable and easier to transport. Additionally, the inverter technology ensures that energy consumption is kept to a minimum, reducing operational costs.

Another notable characteristic of the Miller Electric OM-4409 is its user-friendly interface. The intuitive control panel provides easy access to settings and adjustments, allowing welders to fine-tune the machine to their specific needs. The digital display shows crucial parameters such as voltage, amperage, and wire feed speed, enabling welders to monitor their progress in real-time effectively.

Safety is paramount in industrial applications, and the OM-4409 does not disappoint. It is equipped with advanced safety features, including thermal overload protection and fault indication systems. These features ensure that the machine operates within safe limits, protecting both the user and the equipment.

The OM-4409 also boasts a robust build quality, designed to withstand the rigors of daily use in demanding environments. Its durable construction ensures longevity, minimizing maintenance and downtime.

In summary, the Miller Electric OM-4409 welding machine is a powerhouse that combines power, efficiency, and user-friendliness. With its inverter technology, versatility across various welding processes, advanced safety features, and robust design, it represents an excellent investment for any welding professional looking to enhance their capabilities. Whether for heavy-duty industrial applications or intricate metalwork, the OM-4409 delivers unmatched performance and reliability.

4-5. Stick And MIG Volt-Ampere Curves

A.DC Stick Mode

800

B.AC Stick Mode (Optional)

C. MIG Mode

VOLTSDC

MAX

MIN

100

200

300

400

500

600

700

800

900

1000

OM-4409 specifications