Miller Electric NT 456 CC, NT 456 CV manual Meter Functions For CC/CV Models

Page 26

5-2. Meter Functions For CC/CV Models

.The meters display the actual weld output values for approximately three seconds after the arc is broken.

Mode				Meter Reading At Idle

				V		A
Scratch Start TIG		78.0			85
	Actual Volts (OCV)					Preset Amps

				V		A
Lift-Arc TIG		8.0			85
Lift-Arc TIG
(GTAW)
(GTAW)				Actual Volts		Preset Amps
				Actual Volts		Preset Amps

				V		A
TIG (GTAW)					85
				Blank		Preset Amps

				V		A
MIG (GMAW)			24.5
MIG (GMAW)			24.5
				Preset Volts		Blank

				V		A
Pulsed MIG					780
Pulsed MIG
(GMAW-P)
(GMAW-P)				Blank		IPM (30-780)
				Blank		IPM (30-780)

Pulsed MIG				V		A


(GMAW-P)				78.0	780
Voltage-Sensing				78.0	780
Voltage-Sensing	Actual Voltage (OCV)					IPM (30−780)
Wirefeeder	Actual Voltage (OCV)					IPM (30−780)
Wirefeeder

				V		A
SMAW				78.0		85
Panel Control
	Actual Volts (OCV)					Preset Amps

				V		A
Voltage-Sensing			78.0
Voltage-Sensing			78.0
Wirefeeder
Wirefeeder	Flashes OCV And Preset Volts					Blank
	Flashes OCV And Preset Volts					Blank

OM-2243 Page 22

Image 26

Contents Description OM-2243212 113TProcesses File MultiprocessFrom 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 mortLE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux 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 blesserLE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures En ce qui concerne les implants médicaux Principales normes de sécuritéInformation EMF OM-2243 Nameplate Safety Symbols − DefinitionsDuty Cycle And Overheating − InstallationSpecifications Volt-Ampere Curves CC ModeCV Mode 100 200 300 400 500 600Selecting a Location Movement LocationWeight Dimensions And WeightsDimensions Tipping Be careful when placing or moving unit over uneven surfacesTurn 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 Con- nections Connecting Input PowerWelding Power Source Input Power Connections = GND/PE Earth Ground− Operation ControlsMeter Functions For CC/CV Models Lift-Arc TIG Procedure For CC/CV Models Touch Seconds Do not Strike Like a MatchDisconnect power before maintaining − Maintenance & TroubleshootingRoutine Maintenance Disconnect input power be- fore opening rear access doorHE.L Voltmeter/Ammeter Help DisplaysTroubleshooting Trouble Remedy− Electrical Diagram Circuit Diagram For NT 456 CC/CV Models− Parts List Main AssemblyTHERMISTOR, NTC 10K OHM @ 25 DEG C 34IN Lead Panel, Front With Components 14 12 274Panel, Front With Components -1Item IGBT/Capacitor Assembly IGBT/Capacitor Assembly -1item 221Panel, Rear With Components Support ServiceYour distributor also gives 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

5-2. Meter Functions For CC/CV Models

78.0

78.0

780

OM-2243 Page 22