Miller Electric Dimension NT 450 Owner's Manual

Dimension NT 450 WCCProcessesDescriptionMultiprocess WeldingArc Welding Power SourceOM-240 044D2013−04tVisit our website atwww.MillerWelds.comFile: Mu

OM-240 044 Page 6Il reste une TENSION DC NON NÉGLIGEABLE dansles sources de soudage onduleur UNE FOISl’alimentation coupée. Arrêter les convertisseur

OM-240 044 Page 7LES ACCUMULATIONS DE GAZrisquent de provoquer des blessuresou même la mort. Fermer l’alimentation du gaz comprimé en casde non utili

OM-240 044 Page 8Les PIÈCES MOBILES peuventcauser des blessures. Ne pas s’approcher des organes mobiles. Ne pas s’approcher des points de coincement

OM-240 044 Page 92-5. Principales normes de sécuritéSafety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1,is available as a free downl

OM-240 044 Page 10

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 11SECTION 3 − DEFINITIONS3-1. Additional Safety Symbols And Definitions So

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 12SECTION 4 − SPECIFICATIONS4-1. Serial Number And Rating Label LocationThe

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 134-4. Duty Cycle And OverheatingDuty Cycle is percentage of 10 min-utes th

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 144-5. Volt-Ampere CurvesVolt-ampere curves show mini-mum and maximum volt

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 15SECTION 5 − INSTALLATION5-1. Selecting A Location! Special installation m

Miller Electric manufactures a full lineof welders and welding related equipment.For information on other quality Millerproducts, contact your local M

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 165-2. Tipping! Do not move or operate unitwhere it could tip.5-3. 115 VAC

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 175-4. Weld Output Terminals And Selecting Cable Sizes*NOTICE − The Total C

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 185-5. Connecting Weld Output Cables803 778-B! Turn off power before connec

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 195-7. Connecting Remote ControlRef. 800 166-D / Ref. S-0004-A / S-0750! Tu

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 205-8. Electrical Service GuideFailure to follow these electrical service g

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 21Notes

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 225-10. Connecting 3-Phase Input Power input3 2013−04 − Ref. 803 766-C / 80

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 23 input3 2013−04! Installation must meet all Nationaland Local Codes − hav

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 24SECTION 6 − OPERATION6-1. Controls239 918-D12367451 Power Switch This un

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 256-2. Meter Functions For CC/CV Models The meters display the actual weld

TABLE OF CONTENTSSECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1...1-1. Symbol Usage 1...

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 26SECTION 7 − MAINTENANCE & TROUBLESHOOTING7-1. Routine Maintenance Ma

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 277-3. Voltmeter/Ammeter Help Displays All directions are in reference to

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 287-4. TroubleshootingTrouble RemedyNo weld output; unit completely inop-er

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 29SECTION 8 − PARTS LIST8-1. Recommended Spare PartsDescriptionPartNo.Dia.M

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 30SECTION 9 − ELECTRICAL DIAGRAMFigure 9-1. Circuit Diagram For Dimension N

 A complete Parts List is available at www.MillerWelds.comOM-240 044 Page 31239 917-C

Notes

Notes

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Warranty Questions?Call1-800-4-A-MILLERfor your localMiller distributor.miller_warr 2013-01Your distributor also givesyou ...ServiceYou always get the

ORIGINAL INSTRUCTIONS − PRINTED IN USA © 2013 Miller Electric Mfg. Co. 2013−01Miller Electric Mfg. Co.An Illinois Tool Works Company1635 West Spencer

OM-240 044 Page 1SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USINGsom 2011−107Protect yourself and others from injury — read, follow, and save these

OM-240 044 Page 2Welding produces fumes and gases. Breathingthese fumes and gases can be hazardous to yourhealth.FUMES AND GASES can be hazardous. Ke

OM-240 044 Page 31-3. Additional Symbols For Installation, Operation, And MaintenanceFIRE OR EXPLOSION hazard. Do not install or place unit on, over,

OM-240 044 Page 41-4. California Proposition 65 WarningsWelding or cutting equipment produces fumes or gaseswhich contain chemicals known to the State

OM-240 044 Page 5SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATIONfre_som_2011−107Pour écarter les risques de blessure pour vous−même et pour