Miller Electric Big Blue 251D manual Volt Duplex Receptacle Optional, 240 V 15 a AC Receptacle RC1

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7-2. 240 Volt Duplex Receptacle (Optional)

YIf unit does not have GFCI re- ceptacles, use GFCI-pro- tected extension cord.

1240 V 15 A AC Receptacle RC1

Receptacle supplies 60 Hz single- phase power at weld/power speed. Maximum output is 3 kVA/kW.

2Circuit Breakers CB1 And CB2

CB1 and CB2 protect the receptacles from overload. If CB1 or CB2 opens, the 240 V receptacle and half of the 120 V receptacle does not work. 120 volts may still be present at the 240 V receptacle.

.If a circuit breaker continues to

open, contact Factory Autho- rized Service Agent.

Combined output of all receptacles is 3 kVA/kW. Generator power is not affected by weld output.

EXAMPLE: If 10 A is drawn from the 240 V receptacle, only 5 A is avail- able at the 120 V receptacle:

(240 V x 10 A) + (120 V x 5 A) = 3.0 kVA/kW

Ref. 206 029 / 174 408

OM-480 Page 21

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Contents Description ProcessesVisit our website at OM-480128 576AC January Engine Driven Welding GeneratorFrom Miller to You Table of Contents Options and Accessories Warranty Arc Welding Hazards Symbol UsageEngine Hazards Compressed Air Hazards California Proposition 65 Warnings Principal Safety StandardsEMF Information Radiation can cause interference− Consignes DE Sécurité − Lire Avant Utilisation Signification des symbolesUN Choc Électrique peut tuer LES Fumées ET LES GAZ peuvent être dangereuxDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un in- cendie ou une explosionDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut affecter l’ouïeDES Organes Mobiles peuvent provoquer des blessures ’EXPLOSION DE LA Batterie peutLA Chaleur DU Moteur peut pro- voquer un incendie ’AIR Comprimé peut provoquer des blessuresInformation sur les champs électromagnétiques Principales normes de sécurité− Definitions Symbols And DefinitionsWeld, Power, And Engine Specifications − SpecificationsDimensions, Weights, And Operating Angles Exceeding duty cycle can damage unit and void warranty Curve shows typical fuel use under weld or power loadsFuel Consumption Duty Cycle And OverheatingVolt-Ampere Curves AC Generator PowerOptional AC Power Plant Curves Installing Welding Generator − InstallationConnecting The Battery Engine Prestart Checks Installing Muffler PipeStop engine and let cool Fuel Do not use gasoline. GasolineConnecting To Weld Output Terminals Installing Ether Cylinder Optional Ether Starting Aid150 ft 200 ft 250 ft Selecting Weld Cable Sizes350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m Put terminals Controls See Section − Operating the Welding GeneratorRemote A/V Control Description Of Front Panel Controls See SectionStop engine and fix trouble if either light goes on Do not use Ether if engine is runningVolt Duplex And Optional Gfci Receptacles − Operating Auxiliary EquipmentX 15 a + 120 V x 10 a = 3.0 kVA/kW OM-480 240 V 15 a AC Receptacle RC1 Volt Duplex Receptacle OptionalCircuit Breakers CB1 And CB2 X 10 a + 120 V x 5 a = 3.0 kVA/kWConnecting Optional AC Power Plant 240 Volt Twistlock Receptacle Optional − Maintenance and Troubleshooting Maintenance Label Servicing Air Cleaner To change oil and filter Servicing Fuel And Lubrication SystemsTo replace primary fuel filter To replace secondary fuel filterStandard Models Adjusting Engine SpeedModels With Automatic Idle Optional Full Empty Overload Protection Servicing Optional Ether Starting AidTroubleshooting Inspecting And Cleaning Optional Spark ArrestorStop engine and let cool. Reinstall cleanout plug WeldingCheck connections to ac power plant see Section Generator PowerEngine Maximum see SectionCircuit Diagram For Welding Generator − Electrical DiagramWetstacking − RUN-IN ProcedureWelding Generator Procedure at less than Run-In Procedure Using Load BankStop engine Do not touch hot exhaust From flammables Do not PerformBank/grid Run-In Procedure Using Resistance GridFrom flammables Do not perform run-inSelecting Equipment − Generator Power GuidelinesGrounding Generator To Truck Or Trailer Frame How Much Power Does Equipment Require? Grounding When Supplying Building SystemsEarth ground if supplying Amperes x Volts = WattsApproximate Power Requirements For Farm/Home Equipment Approximate Power Requirements For Industrial MotorsIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentHow Much Power Can Generator Supply? Power Required To Start MotorSingle-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 = Starting AmperageWork like a Pro Typical Connections To Supply Standby PowerCurrent Load Watts Amperes Selecting Extension Cord Use Shortest Cord PossibleOM-480 125 124 123 122 − Parts List120 121 117 1162526 126 Dia Part Description Quantity Mkgs 128 111 Panel, Front w/Components -1ItemPanel, Front w/Components -1Item 111 Cont’d Generator Generator -1Item Includes 114Page Page Your distributor also gives ServiceSupport Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s