Miller 907525 Owner'S Manual Download Page 1

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Arc Welding Power Source

XMT 450 CC/CV

OM-257220P

2016−10

Processes

Description

Multiprocess Welding

File: MULTIPROCESS

(400 Volt Model) CE

For product information,

Owner’s Manual translations,

and more, visit

www.MillerWelds.com

Summary of Contents for 907525

Page 1: ...ower Source XMT 450 CC CV OM 257220P 2016 10 Processes Description Multiprocess Welding File MULTIPROCESS R 400 Volt Model CE For product information Owner s Manual translations and more visit www Mil...

Page 2: ...ntinue the tradition They re just as committed to providing equipment and service that meets the high standards of quality and value established in 1929 This Owner s Manual is designed to help you get...

Page 3: ...IFICATIONS 13 4 1 Features And Benefits 13 4 2 Arc Controls 13 4 3 Serial Number And Rating Label Location 13 4 4 Unit Specifications 13 4 5 Dimensions and Weight 14 4 6 Environmental Specifications 1...

Page 4: ...ION 9 SMAW CAC A OPERATION 38 9 1 Typical Connection For SMAW And CAC A Process 38 9 2 Remote Stick Welding Mode SMAW CAC A Process 39 9 3 Stick Welding Mode SMAW CAC A Process 40 9 4 Optional Low Ope...

Page 5: ...V W AUX POWER CE 907525 Council Directives 2006 95 EC Low Voltage 2004 108 EC Electromagnetic Compatibility 2011 65 EU Restriction of the use of certain Hazardous Substances in electrical and electron...

Page 6: ...il setting options welding programs are changed Occupational exposure is below the Exposure Limit Values ELVs YES NO for health effects at the standardized configurations if NO specific required minim...

Page 7: ...neeling or lying or when there is a high risk of unavoid able or accidental contact with the workpiece or ground For these conditions use the following equipment in order presented 1 a semiautomaticDC...

Page 8: ...ared according to AWS F4 1 and AWS A6 0 see Safety Standards D Do not weld where the atmosphere can contain flammable dust gas or liquid vapors such as gasoline D Connect work cable to the work as clo...

Page 9: ...S can injure D Keep away from moving parts such as fans D Keep all doors panels covers and guards closed and securely in place D Have only qualified persons remove doors panels covers or guards for ma...

Page 10: ...PA Standard 51B from National Fire Protection Association Quincy MA 02269 phone 1 800 344 3555 website www nfpa org OSHA Occupational Safety and Health Standards for General Indus try Title 29 Code of...

Page 11: ...s dans un environnement humideou si l on porte des v tements mouill s sur des structures m talliquestelles que sols grilles ou chafaudages en position coinc e comme assise genoux ou couch e ou s il y...

Page 12: ...br lures Le contact accidentel de l lectrode avec des objets m talliques peut provoquer des tincelles une explosion un sur chauffement ou un incendie Avant de commencer le soudage v rifier et s assur...

Page 13: ...areil D Tenir l quipement c bles et cordons distance des v hicules mobiles lors de toute op ration en hauteur D Suivre les consignes du Manuel des applications pour l quation de levage NIOSH r vis e P...

Page 14: ...ational Electrical Code NFPA Standard 70 from National Fire Protec tion Association Quincy MA 02269 phone 1 800 344 3555 website www nfpa org and www sparky org Safe Handling of Compressed Gases in Cy...

Page 15: ...istributor for further information Safe37 2012 05 Wear dry insulating gloves Do not touch electrode with bare hand Do not wear wet or damaged gloves Safe2 2012 05 Protect yourself from electric shock...

Page 16: ...rvicing unit Safe27 2012 05 Always wear long sleeves and button your collar when servicing unit Safe28 2012 05 After taking proper precautions as shown connect power to unit Safe29 2012 05 Do not use...

Page 17: ...asd lk Kasjf laksf lkasdf l aksdf lkasd flksadflkasd lk Become trained and read the instructions before working on the machine or welding Safe40 2012 05 5min V V V Hazardous voltage remains on input c...

Page 18: ...c Operation GTAW Remote Negative Inductance Foot Control Gas Metal Arc Welding GMAW U2 Conventional Load Voltage I2 Rated Welding Current Single Phase Increase Circuit Breaker Gas Tungsten Arc Welding...

Page 19: ...perage at the start of a weld eliminating electrode sticking in CC and Stick Welding Modes see Sections 9 2 and 9 3 4 2 Arc Controls DIG control allows the arc characteristics soft versus stiff to be...

Page 20: ...ty EMC This Class A equipment is not intended for use in residential locations where the electrical power is provided by the public low voltage supply system There can be potential difficulties in ens...

Page 21: ...with China SJ T 11364 O 2 5 7 8 9 85 GB T26572 Indicates that the concentration of the Hazardous Substance in all homogeneous materials of the part is below the relevant threshold of China GB T 26572...

Page 22: ...it overheats thermostat s opens output stops and cooling fan runs Wait fifteen minutes for unit to cool Reduce amperage or duty cycle before welding NOTICE Exceeding duty cycle can damage unit and voi...

Page 23: ...tput capabilities of welding power source Curves of other set tings fall between curves shown AMPERAGE VOLTAGE CC Mode VOLTAGE CV MODE AMPERAGE 0 20 40 60 80 100 0 100 200 300 400 500 600 700 MAX MIN...

Page 24: ...or CEC Section 20 1 Lifting Forks Extend forks beyond opposite side of unit 2 Lifting Handles Use handles to lift unit 3 Hand Cart Use cart or similar device to move unit 4 Line Disconnect Device Loc...

Page 25: ...2x70 2x3 0 2x95 2x3 0 2x95 350 1 0 60 2 0 70 3 0 95 4 0 120 2x2 0 2x70 2x3 0 2x95 2x3 0 2x95 2x4 0 2x120 400 1 0 60 2 0 70 3 0 95 4 0 120 2x2 0 2x70 2x3 0 2x95 2x4 0 2x120 2x4 0 2x120 500 2 0 70 3 0...

Page 26: ...f the weld cable terminal and copper bar are clean Tools Needed 3 4 in 19 mm 4 2 3 Do not place anything between Incorrect Installation 1 weld cable terminal and copper bar 5 5 Remote 14 Receptacle In...

Page 27: ...Receptacle And Supplementary Protectors Ref 257348 B 1 115 V 7 Amp AC Receptacle 2 Supplementary Protector CB1 3 Supplementary Protector CB2 CB1 protects duplex receptacle CB2 protects 24 volts AC por...

Page 28: ...ter to Gas In fitting Connect hose coupler to torch Connect one end of gas hose to hose coupler Connect remaining end of gas hose to Gas Out fitting Operation The gas solenoid controls gas flow during...

Page 29: ...ceptacle or conductor rating to be less than the rating of the circuit protection device All components of the circuit must be physically compatible See NEC articles 210 21 630 11 and 630 12 50 60 Hz...

Page 30: ...List is available at www MillerWelds com OM 257220 Page 24 5 9 Connecting Input Power Tools Needed 5 16 in 3 8 1 4 9 7 10 11 L1 L2 L3 GND PE Earth Ground 1 Input5 2013 04 Ref 803 766 C 257 348 A 2 4...

Page 31: ...ine Install strain relief of proper size for unit and input conductors Route conductors cord through strain relief Tighten strain relief 3 Welding Power Source Grounding Terminal 4 Green Or Green Yell...

Page 32: ...Sections 7 2 thru 9 3 1 Remote 14 Receptacle 2 Left Display 3 Right Display The meters display the actual weld output values after arc initiation and remains dis played for approximately three second...

Page 33: ...anel Amps Lift Arc TIG GTAW Remote 14 Amps Panel Amps Scratch Start TIG GTAW Remote 14 Amps Panel Amps MIG GMAW Remote 14 Volts Volts Pulsed MIG GMAW P Remote 14 N A Arc Length 0 100 Stick SMAW CAC A...

Page 34: ...ss 277777 A Turn off power before making con nections 1 Foot Control 2 Positive Weld Output Terminal 3 Remote 14 Receptacle Connect desired remote control to Remote 14 receptacle if required 4 Gas In...

Page 35: ...to SCRATCH START TIG position as shown The open circuit voltage is shown in the Left Display Preset amperage is shown in the Right Display Operation The Adjust Control is used to set desired preset am...

Page 36: ...Control is used to set desired preset amperage A remote control is required to turn on the weld output To start welding momentarily depress out put switch Touch tungsten electrode to workpiece at weld...

Page 37: ...ode Switch to TIG position as shown The preset amperage is shown in the Right Display Operation The Adjust Control is used to set desired preset amperage A remote control is required to turn on the we...

Page 38: ...ons 1 Remote 14 Receptacle 2 Positive Weld Output Terminal 3 Negative Weld Output Terminal 4 Ground Cable to Workpiece 5 Workpiece 6 Gun 7 Wire Feeder 8 Gas Hose 9 Gas Cylinder Use of shielding gas is...

Page 39: ...lay Operation The Adjust Control is used to set desired preset voltage The preset voltage can be adjusted re motely at the wire feeder if the feeder has a voltage control This voltage con trol will ov...

Page 40: ...ive Weld Output Terminal 4 Negative Weld Output Terminal 5 Ground Cable to Workpiece 6 Workpiece 7 Gun 8 Wire Feeder 9 Gas Hose 10 Gas Cylinder Use of shielding gas is dependant on Wire Type The conne...

Page 41: ...itch 2 Left Display 3 Right Display 4 Adjust Control Setup For typical system connections refer to Section 8 3 Rotate Mode Switch to PULSED MIG posi tion as shown Left and Right Display will show PPP...

Page 42: ...rminal 2 Negative Weld Output Terminal 3 Ground Cable to Workpiece 4 Workpiece 5 Voltage Sensing Clamp 6 Gun 7 Gun Trigger Receptacle 8 Wire Feeder 9 Gas Hose 10 Gas Cylinder Use of shielding gas is d...

Page 43: ...tion as shown The Left Display toggles between open cir cuit voltage and preset voltage Operation The Adjust Control is used to set desired preset voltage The Left Display toggling momentarily pauses...

Page 44: ...A Turn off power before making con nections 1 Electrode Holder Carbon Arc For CAC A process connect carbon arc cutting torch to to positive weld output ter minal 2 Electrode Holder 3 Positive Weld Ou...

Page 45: ...rage When Configuration 3 is se lected remote control preset will be displayed in the amperage window See section 9 5 for more information regarding Alternate Configuration Functionality Adaptive Hot...

Page 46: ...onfiguration 3 are ac tive remote controls will be ignored and amperagewill operate in panel only control See section 9 5 for more information re garding Alternate Configurations Adaptive Hot Start au...

Page 47: ...es remote operation When configuration 2 is selected Stick mode operates in Panel Only control meaning any remote control that is plugged into the remote 14 control will be ignored and have no effect...

Page 48: ...er before maintaining 3 Months Replace Damaged Or Unreadable Labels Replace Cracked Torch Body Repair Or Replace Cracked Cables Repair Or Replace Cracked Cables And Cords Clean And Tighten Weld Connec...

Page 49: ...asure the DC voltage across the screw terminals on PC2 as shown until voltage drops to near 0 zero volts If the capacitor voltage does not drop to near zero after sev eral minutes use a bleeder re sis...

Page 50: ...dicates a malfunction in the secondary power circuit of the unit If this display is shown contact a Factory Authorized Service Agent Help 25 Display Indicates machine has reached Duty Cycle limit See...

Page 51: ...A complete Parts List is available at www MillerWelds com OM 257220 Page 45 Notes...

Page 52: ...OM 257220 Page 46 SECTION 11 ELECTRICAL DIAGRAM Figure 11 1 Circuit Diagram...

Page 53: ...OM 257220 Page 47 256 909 B...

Page 54: ...Notes...

Page 55: ...ns and Subarc SAW Torches Remote Controls and RFCS RJ45 Replacement Parts No labor Roughneck Guns Spoolmate Spoolguns Miller s True Blue Limited Warranty shall not apply to 1 Consumable components suc...

Page 56: ...your personal records Always provide Model Name and Serial Style Number Contact a DISTRIBUTOR or SERVICE AGENCY near you Welding Supplies and Consumables Options and Accessories Personal Safety Equip...

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