Related Manuals for Miller Electric NT 456 CC
Summary of Contents for Miller Electric NT 456 CC
- Page 1 NT 456 CC/CV Visit our website at www.MillerWelds.com OM-2243 212 113T 2007−10 Processes Multiprocess Welding Description Arc Welding Power Source File: Multiprocess...
- Page 2 ISO 9001:2000 Quality System Standard. particular model are also provided. Miller Electric manufactures a full line of welders and welding related equipment. For information on other quality Miller products, contact your local Miller distributor to receive the latest full line catalog or individual specification sheets.
-
Page 3: Table Of Contents
TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1-1. Symbol Usage ............... . 1-2. - Page 4 Notes...
-
Page 5: Section 1 − Safety Precautions - Read Before Using
DC constant voltage (wire) welder, 2) a DC manual (stick) welder, or 3) an AC welder with reduced open-circuit volt- age. In most situations, use of a DC, constant voltage wire welder is recommended. And, do not work alone! D Disconnect input power or stop engine before installing or servicing this equipment. - Page 6 OM-2243 Page 2 D Do not use welder to thaw frozen pipes. D Remove stick electrode from holder or cut off welding wire at contact tip when not in use.
-
Page 7: Additional Symbols For Installation, Operation, And Maintenance
1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. D Do not install or place unit on, over, or near combustible surfaces. D Do not install unit near flammables. D Do not overload building wiring − be sure power supply system is properly sized, rated, and protected to handle this unit. -
Page 8: California Proposition 65 Warnings
1-4. California Proposition 65 Warnings Welding or cutting equipment produces fumes or gases which contain chemicals known to the State of California to cause birth defects and, in some cases, cancer. (California Health & Safety Code Section 25249.5 et seq.) Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and birth defects or other... -
Page 9: Section 2 − Consignes De Sécurité − Lire Avant Utilisation
SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION Se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes. 2-1. Symboles utilisés DANGER! − Indique une situation dangereuse qui si on l’évite pas peut donner la mort ou des blessures graves. Les dangers possibles sont montrés par les symboles joints ou sont expliqués dans le texte. - Page 10 Il reste une TENSION DC NON NÉGLIGEABLE dans les sources de soudage onduleur quand on a coupé l’alimentation. D Arrêter les convertisseurs, débrancher le courant électrique et décharger les condensateurs d’alimentation selon les instructions indiquées dans la partie Entretien avant de toucher les pièces. DES PIÈCES CHAUDES peuvent provoquer des brûlures graves.
-
Page 11: Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance
ACCUMULATIONS risquent de provoquer des blessures ou même la mort. D Fermer l’alimentation du gaz protecteur en cas de non-utilisation. D Veiller toujours à bien aérer les espaces confi- nés ou se servir d’un respirateur d’adduction d’air homologué. LES CHAMPS MAGNETIQUES peuv- ent affecter des implants médicaux. -
Page 12: Proposition Californienne 65 Avertissements
LES FILS DE SOUDAGE peuvent provoquer des blessures. D Ne pas appuyer sur la gâchette avant d’en avoir reçu l’instruction. D Ne pas diriger le pistolet vers soi, d’autres per- sonnes ou toute pièce mécanique en enga- geant le fil de soudage. DES ORGANES MOBILES peuvent provoquer des blessures. -
Page 13: Principales Normes De Sécurité
2-5. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, de Global Engineering Documents (téléphone : 1-877-413-5184, site Internet : www.global.ihs.com). Recommended Safe Practices for the Preparation for Welding and Cut- ting of Containers and Piping, American Welding Society Standard AWS F4.1 de Global Engineering Documents (téléphone : 1-877-413-5184, site Internet : www.global.ihs.com). - Page 14 OM-2243 Page 10...
-
Page 15: Section 3 − Definitions
SECTION 3 − DEFINITIONS 3-1. Nameplate Safety Symbols Warning! Watch Out! There are possible hazards as shown by the symbols. Electric shock from welding electrode or wiring can kill. Sparks from arcing electrode can cause explosion or fire − disconnect cable for process not in use. -
Page 16: Section 4 − Installation
SECTION 4 − INSTALLATION 4-1. Specifications Rated Welding Amperage/Voltage Model Model Output Output 5 − 500A In CC 450 A @ 38 Volts 450 Amp 450 Amp DC 100% Duty DC, 100% Duty 10 − 38V In CV Cycle *While idling 4-2. -
Page 17: Volt-Ampere Curves
4-3. Volt-Ampere Curves A. CC Mode B. CV Mode DC Current DC Current Volt-ampere curves show mini- mum and maximum voltage and amperage output capabilities of unit. Curves of other settings fall be- tween curves shown. va_curve1 − 4/95 − 212 111-A / 212 112-A OM-2243 Page 13... -
Page 18: Selecting A Location
4-4. Selecting A Location Movement Location 18 in (460 mm) OM-2243 Page 14 18 in (460 mm) Lifting Eye Lifting Forks Use lifting eye or lifting forks to move unit. If using lifting forks, extend forks beyond opposite side of unit. Rating Label Use rating label to determine input power needs. -
Page 19: Dimensions And Weights
4-5. Dimensions And Weights Dimensions 32-1/2 in (826 mm) including lift eye 23 in (585 mm) 38 in (966 mm) including strain relief 35 in (889 mm) 1-1/4 in (32 mm) 21-1/8 in (537 mm) 1-1/8 in (29 mm) 7/16 in (11 mm) Dia Weight 376 lb (171 kg) 4 Holes... -
Page 20: Tipping
4-6. Tipping 4-7. 115 VAC Receptacle And Circuit Breakers OM-2243 Page 16 Be careful when placing or moving unit over uneven surfaces. Turn power before connecting to receptacle. 115 V 15 A AC Receptacle RC15 Power is shared between RC15 and Remote 14 receptacle RC14 (see Section 4-11). -
Page 21: Weld Output Terminals And Selecting Cable Sizes
4-8. Weld Output Terminals And Selecting Cable Sizes Turn Off power before Turn Off power before connecting to weld output terminals. Welding Amperes Negative Positive Terminal Terminal *Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere. Contact your distributor for the mm equivalent weld cable sizes. -
Page 22: Remote 14 Receptacle Information
4-10. Remote 14 Receptacle Information 24 VOLTS AC 115 VOLTS AC REMOTE OUTPUT OUTPUT CONTROL AMPERAGE AMPERAGE VOLTAGE *The remaining sockets are not used. 4-11. Connecting Remote Control OM-2243 Page 18 Socket* 24 volts ac. Protected by circuit breaker CB2. Contact closure to A completes 24 volts ac contactor control circuit. -
Page 23: Electrical Service Guide
4-12. Electrical Service Guide Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard. These recommenda- tions are for a dedicated branch circuit sized for the rated output and duty cycle of the welding power source. 60 Hertz Models Input Voltage Input Amperes At Rated Output... -
Page 24: Connecting Input Power
4-14. Connecting Input Power L1 (U) L2 (V) L3 (W) Tools Needed: 3/8 in 3/8 in OM-2243 Page 20 = GND/PE Earth Ground IMPORTANT Input Contactor GND/ PE Earth Ground 800 103-C / Ref. 801 116-A Installation must meet all National and Local Codes −... -
Page 25: Section 5 − Operation
SECTION 5 − OPERATION 5-1. Controls Power Switch This unit is equipped with a fan motor that is thermostatically controlled and only runs when cooling is needed (fan-on-de- mand). If unit is not equipped with fan-on- demand, fan motor runs when power is Voltmeter (see Section 5-2) Ammeter (see Section 5-2) Mode Switch... -
Page 26: Meter Functions For Cc/Cv Models
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 Scratch Start TIG Lift-Arc TIG (GTAW) TIG (GTAW) MIG (GMAW) Pulsed MIG (GMAW-P) Pulsed MIG (GMAW-P) Voltage-Sensing Wirefeeder Panel Control... -
Page 27: Lift-Arc Tig Procedure For Cc/Cv Models
5-3. Lift-Arc TIG Procedure For CC/CV Models “Touch” Do NOT Strike Like A Match! 1 − 2 Seconds With Mode switch in the Lift-Arc TIG position, start an arc as follows: TIG Electrode Workpiece Touch tungsten electrode to work- piece at weld start point, hold electrode to workpiece for 1-2 seconds, and slowly lift electrode. -
Page 28: Section 6 − Maintenance & Troubleshooting
SECTION 6 − MAINTENANCE & TROUBLESHOOTING 6-1. Routine Maintenance n = Check Z = Change * To be done by Factory Authorized Service Agent Every Months nl Labels Every Months n lCables And Cords Every Months ~:Durning heavy service, clean monthly. 6-2. -
Page 29: Voltmeter/Ammeter Help Displays
NOTE: Operating the welder out of the normal operat- ing range ( 12% of the linked primary) will affect the out- put and reliability of the welder, and is not recom- mended. Help 7 Display This is a two-stage error. -
Page 30: Troubleshooting
6-4. Troubleshooting Trouble No weld output; unit completely inop- Place line disconnect device in On position (see Section 4-14). erative; pilot light PL1 off. Check for open line fuse(s), and replace if open (see Section 4-14). Check for proper input power connections (see Section 4-14). Check for proper jumper link position (see Section 4-13). -
Page 31: Section 7 − Electrical Diagram
SECTION 7 − ELECTRICAL DIAGRAM 223 809-D Figure 7-1. Circuit Diagram For NT 456 CC/CV Models OM-2243 Page 27... -
Page 32: Section 8 − Parts List
SECTION 8 − PARTS LIST Item Dia. Part Mkgs....Fig 8-2 PANEL, Front w/Components ... . . 217 136 LABEL,WARNING ELECTRIC SHOCK . - Page 33 Item Dia. Part Mkgs..159 244 PRIMARY BOX (Includes), ....601 835 . . . NUT, 10-32 BRASS ....038 887 .
- Page 34 Hardware is common and not available unless listed. 12 15 OM-2243 Page 30 Figure 8-2. Panel, Front With Components Hardware is common and not available unless listed. 803 623-G...
- Page 35 Item Dia. Part Mkgs....204 143 PANEL, FRONT ..181 245 TERMINAL, PWR OUTPUT RED . . . C4, 5 230 729 CAPACITOR, CER DISC .1 UF 500 VDC W/TERMS .
- Page 36 Hardware is common and not available unless listed. 803 937-C Figure 8-3. IGBT/Capacitor Assembly OM-2243 Page 32...
- Page 37 Item Dia. Part Mkgs. 221 298 ... . . 221 301 BUS PLATE, IGBT TO CAPACITOR NEGATIVE ... . . 221 304 STAND−OFF, CONDUCTIVE BUS .
- Page 38 Hardware is common and not available unless listed. Item Dia. Part Mkgs....173 283 ....180 165 .
- Page 39 Warranty Questions? LIMITED WARRANTY − Subject to the terms and conditions Call below, Miller Electric Mfg. Co., Appleton, Wisconsin, warrants to 1-800-4-A-MILLER its original retail purchaser that new Miller equipment sold after the effective date of this limited warranty is free of defects in for your local material and workmanship at the time it is shipped by Miller.
-
Page 40: Options And Accessories
File a claim for loss or damage during shipment. For assistance in filing or settling claims, contact your distributor and/or equipment manufacturer’s Transportation Department. 2007 Miller Electric Mfg. Co. 2007−01 Miller Electric Mfg. Co. An Illinois Tool Works Company 1635 West Spencer Street Appleton, WI 54914 USA International Headquarters−USA...