Remote Amperage and Contactor Control | Miller Electric Metro 250D

5.2Remote Amperage and Contactor Control

YWeld output terminals are energized when Output (Contactor) Control switch is On and engine is running.

1 Remote 14 Receptacle RC1

Connect optional remote control to RC1 (see Section 4.6).

.Place Engine Control switch in

Run position for HF-start TIG welding.

Ref. ST-158 936-D / Ref. ST-175 918-C

1

Min (20 A DC)

14

Max (100 A DC)

Set Switches

Set Control

Adjust Remote Control

22

OM-402

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Miller Electric Metro 250D manual Remote Amperage and Contactor Control

Contents

Description OM-402BProcesses From Miller to You Table of Contents Metro 250DPage Arc Welding Hazards Safety Precautions − Read Before UsingSymbol Usage Engine Hazards Engine Exhaust Gases can kill Battery Explosion can BlindMoving Parts can cause injury Engine Heat can cause fire Radiation can cause interference Principal Safety StandardsEMF Information ARC Welding can cause interference UN Choc Électrique peut tuer Signification des symbolesConsignes de sécurité − lire avant utilisation LES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux LE Bruit peut affecter l’ouïe LA Chaleur DU Moteur peut pro- voquer un incendie DES Organes Mobiles peuvent provoquer des blessures’EXPLOSION DE LA Batterie peut LA Chute DE L’APPAREIL peut blesser Électrostatiques peuvent endommager les circuits imprimés Principales normes de sécuritéInformation sur les champs électromagnétiques UNE Remorque QUI Bascule peut entraîner des blessures Symbols and Definitions Definitions General Precautionary Label Battery Charging Label Fan and Moving Parts Label Hot Muffler Label Diesel Fuel Label − 50 h Std Falling Equipment LabelActivation Tag Do Not Use Ether Label Manufacturer’s Rating Label Dimensions, Weights, and Operating Angles SpecificationsWeld, Power, and Engine Specifications Volt-Ampere Curve Fuel Consumption Duty Cycle and Overheating Installing Welding Generator InstallationAC Auxiliary Power Curve Location Grounding Stop engine Connecting Battery and Installing Exhaust PipeEngine Prestart Checks Connect negative − cable last 100 ft 30 m or Less Connecting to Weld Output TerminalsSelecting Weld Cable Sizes 10 − 60% 60 − 100% Duty 10 − 100% Duty Cycle Socket Information Remote 14 Receptacle RC1 InformationRef. ST-158 Front Panel Controls Using Idle Lock SwitchOperating the Welding Generator Plug Remote Amperage and Contactor Control Auxiliary Power Receptacles Operating Auxiliary Equipment Maintenance & Troubleshooting 100 Hrs Maintenance Changing Engine Oil and Oil Filter Do not clean housing with air hose Servicing Air CleanerTo Clean air filter Changing Fuel Filters Weld/Power Speed Adjustment Adjusting Engine SpeedIdle Speed Adjustment Overload Protection Weld And Auxiliary Power CircuitsRemote Control Circuit Engine Control Circuit Servicing Optional Spark Arrestor Welding TroubleshootingStop engine and let cool. Reinstall cleanout plug Trouble Remedy Auxiliary Power Troubleshooting Engine Troubleshooting Ule OM-402 Electrical Diagram Circuit Diagram for Welding Generator SC-181 Heavy loading during first Run-In ProcedureWetstacking Run-In Procedure Using Load Bank Load Bank Run-In Procedure Using Resistance Grid Grounding Generator to Truck or Trailer Frame Auxiliary Power GuidelinesSelecting Equipment Amperes x Volts = Watts Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Industrial Motors Rating Starting Watts Running Watts Approximate Power Requirements for Industrial MotorsApproximate Power Requirements for Farm/Home Equipment Farm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements for Contractor Equipment Contractor Rating Starting Watts Running Watts Single-Phase Induction Motor Starting Requirements Power Required to Start MotorHow Much Power Can Generator Supply? KVA/HP x HP x 1000 = Starting Amperage Volts Typical Connections to Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Current Load Watts Amperes Parts List Main Assembly ST-801 488-A 11.1 PC6 CB9 Panel, Front w/Components .1 Item 11.2 CB5 Generator .1 Item Control Box w/Components .1 Item Diode Board OM-402 Page OM-402 Page Options and Accessories Metro 250D Call Miller for your local Miller distributor Owner’s Record Miller Electric Mfg. Co