Miller Auto-Line XMT 350 MPa Owner's Manual
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Miller Auto-Line XMT 350 MPa Owner's Manual

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OM-231242AA
2021-11
Processes
Multiprocess Welding
Description
Arc Welding Power Source
XMT
350 MPa
®
Auto-Line
™
OWNER'S MANUAL
For product information,
Owner's Manual translations,
and more, visit
www.MillerWelds.com

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  • Page 1 OM-231242AA 2021-11 Processes Multiprocess Welding Description Arc Welding Power Source 350 MPa ® Auto-Line ™ OWNER’S MANUAL For product information, Owner’s Manual translations, and more, visit www.MillerWelds.com...
  • Page 2 We know you don’t have time to do it any other way. That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS – READ BEFORE USING..............1 Symbol Usage .
  • Page 4 TABLE OF CONTENTS Stick Welding Mode — SMAW/CAC-A Process ............... . . 43 Optional Low Open Circuit Voltage (OCV) Welding Modes .

  • Page 5: Section 1 - Safety Precautions - Read Before Using

    SECTION 1 – SAFETY PRECAUTIONS – READ BEFORE USING Protect yourself and others from injury—read, follow, and save these important safety precautions and operating instructions. 1-1. Symbol Usage DANGER! – Indicates a hazardous situation which, if not avoided, will result in death or serious injury. The possible hazards are shown in the adjoining symbols or explained in the text.
  • Page 6 HOT PARTS can burn. WELDING can cause fire or explosion. � Do not touch hot parts bare handed. � Allow cooling period before working on equipment. Welding on closed containers, such as tanks, drums, or pipes, can cause them to blow up. �...

  • Page 7: Additional Hazards For Installation, Operation, And Maintenance

    � Never weld on a pressurized cylinder — explosion will result. CYLINDERS can explode if � Use only correct compressed gas cylinders, regulators, hoses, damaged. and fittings designed for the specific application; maintain them Compressed gas cylinders contain gas under high and associated parts in good condition.

  • Page 8: California Proposition 65 Warnings

    � Have the installation regularly checked and maintained. � Be sure all equipment in the welding area is electromagnetically compatible. � Keep high-frequency source doors and panels tightly shut, keep spark gaps at correct setting, and use grounding and shielding to �...

  • Page 9: Section 2 - Consignes De Sécurité - Lire Avant Utilisation

    SECTION 2 – CONSIGNES DE SÉCURITÉ - LIRE AVANT UTILISATION Pour écarter les risques de blessure pour vous-même et pour autrui — lire, appliquer et ranger en lieu sûr ces consignes relatives aux précautions de sécurité et au mode opératoire. 2-1.
  • Page 10 � Porter un harnais de sécurité si l’on doit travailler au-dessus du � Ne pas souder des métaux munis d’un revêtement, tels que l’acier sol. galvanisé, plaqué en plomb ou au cadmium à moins que le revête- ment n’ait été enlevé dans la zone de soudure, que l’endroit soit �...

  • Page 11: Symboles De Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance

    � Ne pas couper ou souder des jantes ou des roues. Les pneus peu- Les CHAMPS vent exploser s’ils sont chauffés. Les jantes et les roues réparées ÉLECTROMAGNÉTIQUES (CEM) peuvent défaillir. Voir OSHA 29 CFR 1910.177 énuméré dans les peuvent affecter les implants normes de sécurité.
  • Page 12 � Lorsque cela est nécessaire pour des travaux d’entretien et de dé- L’EMPLOI EXCESSIF peut pannage, faire retirer les portes, panneaux, recouvrements ou dis- SURCHAUFFER L’ÉQUIPEMENT. positifs de protection uniquement par du personnel qualifié. � Remettre les portes, panneaux, recouvrements ou dispositifs de �...

  • Page 13: Proposition Californienne 65 Avertissements

    2-4. Proposition californienne 65 Avertissements WARNING – Ce produit peut vous exposer à des produits Pour plus d’informations, consulter www.P65Warnings.ca.gov. chimiques tels que le plomb, reconnus par l’État de Califor- nie comme cancérigènes et sources de malformations ou d’autres troubles de la reproduction. 2-5.

  • Page 14: Section 3 - Definitions

    Warning! Watch Out! There are possible hazards as shown by the symbols. Some symbols are found only on CE products. Some symbols are found only on CE products. Do not fuel a hot engine. � Complete Parts List is available at www.MillerWelds.com Safe1 201 1-1.
  • Page 15 Keep flammables away from cutting. Do not cut near flammables. Welding sparks can cause fires. Have a fire extinguisher nearby, and have a watchperson ready to use it. Do not cut on drums or any closed containers. � Complete Parts List is available at www.MillerWelds.com Safe Safe1 Safe...

  • Page 16: Miscellaneous Symbols And Definitions

    after power is turned off before working on unit, AND check input ca- pacitor voltage, and be sure it is near 0 before touching any parts. � Complete Parts List is available at www.MillerWelds.com Safe42 2017 04 Hazardous voltage remains on input capacitors after power is turned off.

  • Page 17: Section 4 - Specifications

    Information About Default Weld Parameters And Settings NOTICE – Each welding application is unique. Although certain Miller Electric products are designed to determine and default to certain typical welding parameters and settings based upon specific and relatively limited application variables input by the end user, such default settings are for reference purposes only;...

  • Page 18: Dimensions And Weight

    A complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com 11-1. Dimensions And Weight � Complete Parts List is available at www.MillerWelds.com 11-1. Dimensions And Weight 4-7. Dimensions And Weight Hole Layout Dimensions Hole Layout Dimensions Hole Layout Dimensions 11-3/4 in.

  • Page 19: Duty Cycle And Overheating

    � A complete Parts List is available at www.MillerWelds.com Complete Parts List is available at www.MillerWelds.com 4-9. Duty Cycle And Overheating 11-2. Duty Cycle And Overheating Duty Cycle is percentage of 10 minutes that unit weld rated load without overheating. If unit overheats, output stops, a Help mes- sage is displayed and cooling fan runs.

  • Page 20: Section 5 - Installation

    � Complete Parts List is available at www.MillerWelds.com SECTION 5 – INSTALLATION Writers: Remember to move unit dimension and weight and rating la- bel location information to the appropriate sections. 5-1. Selecting A Location Do not move or operate unit where Movement it could tip.

  • Page 21: Selecting Cable Sizes

    � Complete Parts List is available at www.MillerWelds.com 5-2. Selecting Cable Sizes* NOTICE – The Total Cable Length in Weld Circuit (see table below) is the combined length of both weld cables. For example, if the power source is 100 ft (30 m) from the workpiece, the total cable length in the weld circuit is 200 ft (2 cables x 100 ft). Use the 200 ft (60 m) column to determine cable size.

  • Page 22: Remote 14 Receptacle Information

    Ref. 804 772 B � Complete Parts List is available at www.MillerWelds.com 5-4. Remote 14 Receptacle Information 12-1. Remote 14 Receptacle Information Remote Socket* Socket Information 24 volts AC. Protected by supplementary protec- tor CB2. 24 Volts AC Output C L N (Contactor) Contact closure to A completes 24 volt AC con- tactor control circuit.

  • Page 23: Optional Gas Valve Operation And Shielding Gas Connection

    � Complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com 5-6. Optional Gas Valve Operation And Shielding Gas Connection 12-3. Optional Gas Valve Operation And Shielding Gas Connection Obtain gas cylinder and chain to running gear, wall, or other stationary support so cyl- inder cannot fall and break off valve.

  • Page 24: Electrical Service Guide

    � Complete Parts List is available at www.MillerWelds.com 5-7. Electrical Service Guide NOTICE – INCORRECT INPUT POWER can damage this welding power source. Phase to ground voltage shall not exceed +10% of rated input voltage. NOTICE – Actual input voltage should not be 10% less than minimum and/or 10% more than maximum input voltages listed in table. If actual in- put voltage is outside this range, output may not be available.

  • Page 25: Connecting 1-Phase Input Power

    A complete Parts List is available at www.MillerWelds.com � Complete Parts List is available at www.MillerWelds.com 12-4. Connecting 1-Phase Input Power 5-8. Connecting 1-Phase Input Power Installation must meet all National and Local Codes—have only quali- fied persons make this installation. Disconnect and lockout/tagout in- put power before connecting input conductors from unit.

  • Page 26: Connecting 3-Phase Input Power

    � Complete Parts List is available at www.MillerWelds.com 5-9. Connecting 3-Phase Input Power Installation must meet all National and Local Codes—have only quali- fied persons make this installation. Disconnect and lockout/tagout in- put power before connecting input conductors from unit. Follow es- tablished procedures regarding...

  • Page 27: Section 6 - General Operation

    A complete Parts List is available at www.MillerWelds.com � Complete Parts List is available at www.MillerWelds.com SECTION 13 GENERAL OPERATION SECTION 6 – GENERAL OPERATION 6-1. Front Panel 13-1. Front Panel 804 772-B / 226 611-A 12 Remote PC Interface �...

  • Page 28: Mode Switch Settings

    A complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com � Complete Parts List is available at www.MillerWelds.com 13-2. Mode Switch Settings 13-2. Mode Switch Settings 6-2. Mode Switch Settings Switch Position Switch Position Process Output Control Panel Adjust...

  • Page 29: Configuration Option Menu

    V-Sense Feeder *See Configuration Option Menu (see S � Complete Parts List is available at www.MillerWelds.com 6-3. Configuration Option Menu 13-3. Configuration Option Menu 226 611-A 1 Mode Switch Setup Configuration options are displayed in the Left Display. Settings are displayed in the 2 Remote 14 Receptacle The Configuration Option Menu provides a Right Display.

  • Page 30: Configuration Option Menu Settings

    � Complete Parts List is available at www.MillerWelds.com 6-4. Configuration Option Menu Settings Left Display Right Display A complete Parts List is available at www.MillerWelds.com Display Example Configuration Option Menu (Continued) V.SEN V.SEN V-Sense Feeder Weld Process This option enables MIG (V.SEN MIG) or Pulsed MIG (V.SEN PULS) when the Mode Switch AUTO PULS is in the VSENSE FEEDER position.

  • Page 31: Factory Reset Procedure

    � Complete Parts List is available at www.MillerWelds.com Left Display Right Display INFO Revision Information This option identifies the unit’s weld library (INFO LIB) and firmware revision (INFO REV). Press the Setup Button while the unit is displaying INFO LIB to identify the unit’s weld library. Press the Setup Button while the unit is displaying INFO REV to identify the unit’s firmware revision.

  • Page 32: Section 7 - Gtaw Operation

    � Complete Parts List is available at www.MillerWelds.com SECTION 7 – GTAW OPERATION 7-1. Typical Connection For GTAW Process 804841-C 4 Remote 14 Receptacle 6 Gas Cylinder Turn power before making connections. 7 Negative (-) Weld Output Terminal Connect desired remote control to Remote 1 Foot Control 14 receptacle if required.

  • Page 33: Scratch Start Tig Welding Mode - Gtaw Process

    14-2. Scratch Start TIG Welding Mode - GTAW Process � Complete Parts List is available at www.MillerWelds.com 7-2. Scratch Start TIG Welding Mode — GTAW Process 7 2. 0 226 611-A Weld terminals are energized at all Setup Operation times in Scratch Start TIG welding For typical system connections refer to Sec- The Adjust Control is used to set desired mode.

  • Page 34: Lift-Arc Tig Welding Mode - Gtaw Process

    A complete Parts List is available at www.MillerWelds.com � Complete Parts List is available at www.MillerWelds.com 14-3. Lift-Arc TIG Welding Mode - GTAW Process 7-3. Lift-Arc TIG Welding Mode — GTAW Process 1 3. 5 226 611-A “Touch” Seconds Do NOT Strike Like A Match! Weld terminals are energized at all Setup Operation...

  • Page 35: Tig Welding Mode - Gtaw Process

    � Complete Parts List is available at www.MillerWelds.com 7-4. TIG Welding Mode — GTAW Process 226 611-A Weld terminals energized Rotate Mode Switch to TIG position as � If the remote control has an amperage through the remote control in TIG shown.

  • Page 36: Section 8 - Gmaw/Gmaw-P/Fcaw Operation

    15-1. Typical Connection For Remote Control Feeder GMAW/GMAW-P/FCAW Process � Complete Parts List is available at www.MillerWelds.com SECTION 8 – GMAW/GMAW-P/FCAW OPERATION 8-1. Typical Connection For Remote Control Feeder GMAW/GMAW-P/FCAW Process 804938-B 6 Gun Turn power before making � The connection diagram illustrates connections.

  • Page 37: Mig Welding Mode - Gmaw/Fcaw Process

    A complete Parts List is available at www.MillerWelds.com 15-2. MIG Welding Mode - GMAW/FCAW Process � Complete Parts List is available at www.MillerWelds.com 8-2. MIG Welding Mode — GMAW/FCAW Process 2 5. 0 226 611-A Press the Setup Button to confirm the selec- Weld terminals energized...

  • Page 38: Mig - Wire And Gas Selection Table

    � Complete Parts List is available at www.MillerWelds.com 8-3. MIG — Wire And Gas Selection Table WIRE TYPES** GAS TYPES DEFAULT INDUCTANCE .035 (0.9) STL ARGN CO2 (ARGON / CARBON DIOXIDE) .045 (1.2) STL ARGN OXY (ARGON / OXYGEN) Steel .052 (1.4) STL .035 (0.9) STL CO2 (CARBON DIOXIDE)

  • Page 39: Pulsed Mig Welding Mode - Gmaw-P Process

    A complete Parts List is available at www.MillerWelds.com � Complete Parts List is available at www.MillerWelds.com 8-4. Pulsed MIG Welding Mode — GMAW-P Process 15-3. Pulsed MIG Welding Mode - GMAW-P Process 25.0 226 611-A Weld terminals energized Selecting a Wire and Gas electrode.

  • Page 40: Pulsed Mig - Wire And Gas Selection Table

    � Complete Parts List is available at www.MillerWelds.com 8-5. Pulsed MIG — Wire And Gas Selection Table WIRE TYPES** GAS TYPES ARGN CO2 (ARGON / CARBON DIOXIDE) .035 (0.9) STL 80 ARGN CO2 (ARGON / CARBON Steel .045 (1.2) STL DIOXIDE) ARGN OXY (ARGON / OXYGEN) .035 (0.9) STL...

  • Page 41: Remote Process Select

    � Complete Parts List is available at www.MillerWelds.com 8-6. Remote Process Select Display Example This power source can be used with wire feeders that support Re- mote Process Select. This feature allows the operator to switch the active welding process between MIG and Pulsed MIG at the wire 25.0 feeder.

  • Page 42: Typical Connection For Voltage-Sensing Feeder Gmaw/Gmaw-P/Fcaw Process

    � Complete Parts List is available at www.MillerWelds.com 8-7. Typical Connection For Voltage-Sensing Feeder GMAW/GMAW-P/FCAW Process 804843-C 6 Gun Use of shielding gas is dependant on Wire Turn power before making Type. connections. 7 Gun Trigger Receptacle � 1 Positive (+) Weld Output Terminal The connection diagram illustrates OM-231242 Page 23 8 Wire Feeder...

  • Page 43: V-Sense Feeder Welding Mode - Gmaw/Fcaw Process

    A complete Parts List is available at www.MillerWelds.com � Complete Parts List is available at www.MillerWelds.com 15-6. V-Sense Feeder Welding Mode - GMAW/FCAW Process 8-8. V-Sense Feeder Welding Mode — GMAW/FCAW Process 226 611-A Press the Setup Button again to confirm the Weld terminals are energized at all �...

  • Page 44: V-Sense Feeder Welding Mode - Gmaw-P Process

    A complete Parts List is available at www.MillerWelds.com � Complete Parts List is available at www.MillerWelds.com 8-9. V-Sense Feeder Welding Mode - GMAW-P Process 15-7. V-Sense Feeder Welding Mode - GMAW-P Process R200 226 611-A Weld terminals are energized at all Higher settings narrow the arc cone, re- �...

  • Page 45: Section 9 - Smaw/Cac-A Operation

    � Complete Parts List is available at www.MillerWelds.com SECTION 9 – SMAW/CAC-A OPERATION 9-1. Typical Connection For SMAW And CAC-A Process Ref. 804842-C 3 Positive (+) Weld Output Terminal 6 Negative (-) Weld Output Terminal Turn power before making connections. 4 Remote 14 Receptacle 7 Workpiece 1 Electrode Holder (Carbon Arc)

  • Page 46: Cc Welding Mode - Smaw/Cac-A Process

    16-2. CC Welding Mode - SMAW/CAC-A Process � Complete Parts List is available at www.MillerWelds.com 9-2. CC Welding Mode — SMAW/CAC-A Process 226 611-A Programmable Hot Start Weld terminals energized � If the remote control has an amperage through the remote control in CC adjustment, the adjustment will func- Press the Setup button repeatedly until welding mode.

  • Page 47: Stick Welding Mode - Smaw/Cac-A Process

    A complete Parts List is available at www.MillerWelds.com 16-3. Stick Welding Mode - SMAW/CAC-A Process � Complete Parts List is available at www.MillerWelds.com 9-3. Stick Welding Mode — SMAW/CAC-A Process 7 2. 0 226 611-A Weld terminals are energized at all Operation Programmable Hot Start times in Stick welding mode.

  • Page 48: Optional Low Open Circuit Voltage (Ocv) Welding Modes

    � Complete Parts List is available at www.MillerWelds.com 9-4. Optional Low Open Circuit Voltage (OCV) Welding Modes Low OCV Operation The unit can be optionally configured for low open circuit voltage (OCV) operation in Stick and Scratch Start TIG modes. When the unit is configured for low OCV operation only a low sensing voltage (approximately 15 VDC) is present between the electrode and the workpiece prior to the electrode touching the workpiece.

  • Page 49: Section 10 - Maintenance And Troubleshooting

    � Complete Parts List is available at www.MillerWelds.com pliers needlenose knife steelbrush nutdriver SECTION 10 – MAINTENANCE AND TROUBLESHOOTING chippinghammer 10-1. Routine Maintenance A complete Parts List is available at www.MillerWelds.com A complete Parts List is available at www.MillerWelds.com SECTION 17 MAINTENANCE &...

  • Page 50: 10-3. Help Displays

    A complete Parts List is available at www.MillerWelds.com Help Displays � Complete Parts List is available at www.MillerWelds.com 10-3. Help Displays Display Example � All directions are in reference to the front of the unit. All circuitry referred to is located inside the unit.
  • Page 51 OM-231242 Page 47...

  • Page 52: Section 11 - Electrical Diagram

    SECTION 11 – ELECTRICAL DIAGRAM Figure 11-1. Circuit Diagram OM-231242 Page 48...
  • Page 53 271 735-B OM-231242 Page 49...
  • Page 54 Notes...

  • Page 55: Warranty

    Effective January 1, 2021 (Equipment with a serial number preface of NB or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other guarantees or warranties expressed or implied. LIMITED WARRANTY − Subject to the terms and conditions TIG Torches (No Labor) below, Miller Electric Mfg.
  • Page 56 Appleton, WI 54914 USA tact your distributor and/or equipment manu- facturer’s Transportation Department. International Headquarters–USA USA Phone: 920-735-4505 USA & Canada FAX: 920-735-4134 International FAX: 920-735-4125 For International Locations Visit www.MillerWelds.com ORIGINAL INSTRUCTIONS – PRINTED IN USA © Miller Electric Mfg. LLC 2021-11...

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