Miller Electric NT 450, NT 500 Volt-Ampere Curves, CC Mode, CV Mode, 100 200 300 400 500 600

Page 18

4-3. Volt-Ampere Curves

A. CC Mode

Volt-ampere curves show mini- mum and maximum voltage and amperage output capabilities of unit. Curves of other settings fall be- tween curves shown.

 

90

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

70

 

 

 

 

 

 

 

60

 

 

 

 

 

 

Voltage

50

 

 

 

 

 

 

40

 

 

 

 

 

 

DC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

0

100

200

300

400

500

600

DC Current

B. CV Mode

 

90

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

 

70

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

Voltage

50

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

DC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

0

100

200

300

400

500

600

700

800

DC Current

va_curve1 − 4/95 − 212 111-A / 212 112-A

OM-2252 Page 14

Image 18
Contents Description OM-2252218 084RProcesses File Multiprocess WeldingFrom Miller to You Table of Contents Page Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can cause severe burnsWelding can cause fire or explosion Fumes and Gases can be hazardousARC Rays can burn eyes and skin Flying Metal or Dirt can injure eyesFalling Unit can cause injury Welding Wire can cause injuryFire or Explosion hazard Moving Parts can cause injuryEMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortDES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion Risque D’INCENDIE OU D’EXPLO- Sion LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées LA Chute DE L’APPAREIL peut blesserProposition californienne 65 Avertissements LES Fils DE Soudage peuvent provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécurité Information EMFEn ce qui concerne les implants médicaux OM-2252 General Precautionary Label − DefinitionsElectric Shock And Airflow Label Nameplate Safety SymbolsInput Connection Label ? a− Installation SpecificationsDuty Cycle And Overheating Volt-Ampere Curves CC ModeCV Mode 100 200 300 400 500 600460 mm Selecting a LocationMovement 460 mm OM-2252Weight Dimensions And WeightsDimensions 376 lb 171 kg Holes EFrontTipping Do not move or operate unit where it could tipTurn Off power before connecting to receptacle VAC Receptacle And Circuit BreakersConnecting Weld Output Cables Weld Output Terminals And Selecting Cable SizesRemote 14 Receptacle Information Connecting Remote ControlTurn off power before con SocketElectrical Service Guide Placing Jumper LinksDisconnect Device Input Power Connec- tions Connecting Input PowerWelding Power Source Input Power Connections = GND/PE Earth Ground− Operation ControlsLift-Arc TIG Procedure For CC/CV Models Meter Functions For CC/CV ModelsDisconnect power before maintaining − Maintenance & TroubleshootingRoutine Maintenance Disconnect input power be- fore opening rear access doorVoltmeter/Ammeter Help Displays Help 3 DisplayHelp 7 Display Troubleshooting Trouble RemedyWork like a Pro − Electrical Diagram Circuit Diagram For Dimension NT218 081-F − Parts List Main AssemblyTHERMISTOR, NTC 10K OHM @ 25 DEG C 34IN Lead Panel, Front With Components 264Panel, Front With Components -1Item IGBT/Capacitor Assembly IGBT/Capacitor Assembly -1item 221Panel, Rear With Components Page Work like a Pro Service Your distributor also givesSupport For assistance in filing or settling claims, contact To locate a Distributor or Service Agency visitMiller Electric Mfg. Co Your distributor and/or equipment manufacturer’s