Miller XMT 350 FieldPro Owner's Manual
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Miller XMT 350 FieldPro Owner's Manual

With auto-line and arcreach ce
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OM-280973L
2022-10
Processes
Multiprocess Welding
Description
Arc Welding Power Source
XMT
350 FieldPro
®
™
With Auto-Line™And ArcReach® CE
OWNER'S MANUAL
For product information,
Owner's Manual translations,
and more, visit
www.MillerWelds.com

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Summary of Contents for Miller XMT 350 FieldPro

  • Page 1 OM-280973L 2022-10 Processes Multiprocess Welding Description Arc Welding Power Source 350 FieldPro ® ™ With Auto-Line™And ArcReach® CE 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 10-2 Blowing Out Inside Of Unit ................... 40 10-3 Help Displays .
  • Page 5 DECLARATION OF CONFORMITY for European Community (CE marked) products. MILLER Electric Mfg. LLC, 1635 West Spencer Street, Appleton, WI 54914 U.S.A. declares that the product(s) identified in this declaration conform to the essential requirements and provisions of the stated Council Directive(s), Commission Regulation(s) and Standard(s).
  • Page 6 DECLARATION OF CONFORMITY For United Kingdom (UKCA marked) products. MILLER Electric Mfg. LLC, 1635 West Spencer Street, Appleton, WI 54914 U.S.A. declares that the product(s) identified in this declaration conform to the essential requirements and provisions of the stated Regulation(s) and Standard(s).
  • Page 8 INVISION 352 MPA 230-460 AUTOLINE W/AUX POWER & CE 907431002 ALUMAPOWER 350 MPA 230-460 AUTO-LINE W/AUX PWR(CE) 907420003 XMT 350 FIELDPRO 230-460V, CE, DINSE 907730001 XMT 350 FIELDPRO 230-460V, POLARITY REVERSING, CE, DINSE 907731001 Compliance Information Summary Applicable regulation Directive 2014/35/EU Reference limits...

  • Page 9: 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 10 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 11: 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. pressure.

  • Page 12: California Proposition 65 Warnings

    � To reduce possible interference, keep weld cables as short as ARC WELDING can cause possible, close together, and down low, such as on the floor. interference. � Locate welding operation 100 meters from any sensitive electronic equipment. � Electromagnetic energy can interfere with sensitive electronic equipment such as microprocessors, �...

  • Page 13: 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 14 � S’assurer que tous les panneaux et couvercles sont correctement LES ACCUMULATIONS DE GAZ en place. risquent de provoquer des blessures � Fixer le câble de retour de façon à obtenir un bon contact métal- ou même la mort. métal avec la pièce à souder ou la table de travail, le plus près possible de la soudure.

  • Page 15: Symboles De Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance

    � Brancher le câble de masse sur la pièce le plus près possible de � Les porteurs d’implants médicaux doivent consulter leur médecin la zone de soudage pour éviter le transport du courant sur une lon- et le fabricant du dispositif avant de s’approcher de la zone où se gue distance par des chemins inconnus éventuels en provoquant déroule du soudage à...

  • Page 16: Proposition Californienne 65 Avertissements

    � Affûter l'électrode au tungstène uniquement à la meuleuse dotée LIRE LES INSTRUCTIONS. de protecteurs. Cette manœuvre est à exécuter dans un endroit sûr lorsque l'on porte l'équipement homologué de protection du vi- � Lire et appliquer les instructions sur les étiquettes sage, des mains et du corps.

  • Page 17: Informations Relatives Aux Cem

    Safety in Welding, Cutting, and Allied Processes, CSA Standard Subpart N, Part 1910 Subpart Q, and Part 1926, Subpart J. Website: W117.2 from Canadian Standards Association. Website: www. csa- www.osha.gov. group.org. OSHA Important Note Regarding the ACGIH TLV, Policy Statement on the Uses of TLVs and BEIs.

  • Page 18: Section 3 - Definitions

    Reuse or recycle Waste Electrical and Electronic Equipment (WEEE) by disposing at a designated collection Some symbols are found only on CE products. Warning! Watch Out! There are possible hazards as shown by the symbols. Some symbols are found only on CE products. facility.
  • Page 19 Cutting sparks can cause fires. Have a fire extinguisher nearby, and have a watchperson ready to use it. Safe2 Safe Safe Safe Do not grip material near cutting path. � Complete Parts List is available at www.MillerWelds.com Safe1 Safe Use lift eye to lift unit and properly installed accessories only, not gas cylinders. Do not exceed maximum lift e Use lift eye to lift unit and properly installed accessories only, not gas cylinders.

  • Page 20: Miscellaneous Symbols And Definitions

    Recycle or dispose of used coolant in an environmentally safe way. Recycle or dispose of used coolant in an environmentally safe way. � Complete Parts List is available at www.MillerWelds.com Safe119 2015 Safe119 2015 05 Hazardous voltage remains on input capacitors after power is turned off.

  • Page 21: 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 22: Dimensions And Weight

    � Complete Parts List is available at www.MillerWelds.com 4-7. Dimensions And Weight Hole Layout Dimensions 12-7/8 in. (327 mm) 4-11/16 in. (119 mm) 24 in. (610 mm) 15-3/4 in. (400 mm) 22-3/32 in. (561 mm) 8-11/16 in. (221 mm) 1-17/32 in. (39 mm) 17 in.
  • Page 23 Maximum Idle State Model Input Warning! Watch Out! There are possible hazards as shown by the symbols. Efficiency Power Consumption XMT 350 FieldPro 400V Three Phase 85 % 44.3W Safe Do not discard product (where applicable) with general waste. Do not discard product (where applicable) with general waste.

  • Page 24: Duty Cycle And Overheating

    � Complete Parts List is available at www.MillerWelds.com 4-9. Duty Cycle And Overheating Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating. If unit overheats, output stops, error mes- sage is displayed (see Section 10-3), and cooling fan runs.

  • Page 25: 4-10. Volt-Ampere Curves

    � Complete Parts List is available at www.MillerWelds.com 4-10. Volt-Ampere Curves CC Mode SMAW GTAW SMAW GTAW CONTROL 100% AMPERAGE Ref. 217836-A CV Mode AMPERAGE Ref. 217837-B Volt-ampere curves show minimum and maximum voltage and amperage output capabilities of welding power source. Curves of other set- tings fall between curves shown.

  • Page 26: 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 27: 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 28: Connecting Weld Output Cables

    � Complete Parts List is available at www.MillerWelds.com 5-4. Connecting Weld Output Cables A complete Parts List is available at www.MillerWelds.com 1-4. Connecting Weld Output Cables 269322-A 3/4 in. (19 mm) 2 Supplied Weld Output Terminal Nut shown, so that weld cable terminal is tight Turn off power before connecting to ps head wrench...

  • Page 29: Supplementary Protector

    � Complete Parts List is available at www.MillerWelds.com 5-6. Supplementary Protector 1 Supplementary Protector CB2 CB2 protects 24 volts AC portion of Remote 14 receptacle from overload. Press button reset supplementary protector. Ref. 278673-B OM-280973 Page 21...

  • Page 30: Optional Gas Valve Operation And Shielding Gas Connection

    � Complete Parts List is available at www.MillerWelds.com 5-7. 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. GAS IN 1 Cylinder 2 Regulator/Flowmeter Install so face is vertical.

  • Page 31: Electrical Service Guide

    � Complete Parts List is available at www.MillerWelds.com 5-8. Electrical Service Guide NOTICE – INCORRECT INPUT POWER can damage this welding power source. This welding power source requires a CONTINUOUS supply of input power at rated frequency ±10%) and voltage ±10%). Phase to ground voltage shall not exceed +10% of rated input voltage. Do not use a generator with automatic idle device (that idles engine when no load is sensed) to supply input power to this welding power source.

  • Page 32: Connecting Input Power

    � Complete Parts List is available at www.MillerWelds.com 5-9. Connecting Input Power = GND/PE Earth Ground tools/ Ref. 803766-C / 278673-B allen_wrench allen_set flathead philips head wrench crescent wrench OM-280973 Page 24...
  • Page 33 � Complete Parts List is available at www.MillerWelds.com NOTICE – The Auto-Line circuitry in this unit 5 Input Conductors (L1, L2, And L3) Turn Off welding power source. automatically adapts the power source to the 6 Disconnect Device Line Terminals Installation must meet all National primary voltage being applied.

  • Page 34: Section 6 - General Operation

    � Complete Parts List is available at www.MillerWelds.com SECTION 6 – GENERAL OPERATION 6-1. Front Panel Ref. 278547-B / 278649-B 10 Arc Control Stiff Indicator � � The meters display the actual weld Weld process operation sections de- 11 Arc Control Soft Indicator output values after arc initiation and scribe functionality of the identified remains displayed for approximately...

  • Page 35: Mode Switch Settings

    � Complete Parts List is available at www.MillerWelds.com 6-2. Mode Switch Settings Switch Position Process Output Control Panel Adjust Remote 14 Adjust ArcReach Adjust GMAW/FCAW Gas Remote 14 Volts Volts GMAW/FCAW Gas Electrode Hot Volts Volts Volts FCAW-S No Gas Electrode Hot Volts Volts...

  • Page 36: Optional Low Open Circuit Voltage (Ocv) Welding Modes

    � Complete Parts List is available at www.MillerWelds.com 6-5. Optional Low Open Circuit Voltage (OCV) Welding Modes A complete Parts List is available at www.MillerWelds.com Low OCV Operation A complete Parts List is available at www.MillerWelds.com The unit can be optionally configured for low open circuit voltage (OCV) operation in SMAW (Stick) and CAC-A (Gouge) Output-On modes. When the unit is configured for low OCV operation, a low sensing voltage (approximately 12 VDC) is present between the electrode and the workpiece prior to the electrode touching the workpiece.

  • Page 37: Section 7 - Gtaw Operation

    � Complete Parts List is available at www.MillerWelds.com SECTION 7 – GTAW OPERATION 7-1. Typical Connection For GTAW Process Ref. 278669-B Connect desired remote control to Remote 6 Gas Out Connection (Optional) Turn power before making 14 receptacle if required. connections.

  • Page 38: Typical Connection For Arcreach Stick/Tig Remote (Gtaw Process)

    � Complete Parts List is available at www.MillerWelds.com 7-2. Typical Connection For ArcReach Stick/TIG Remote (GTAW Process) Ref. 280219-B 1 Negative (-) Weld Output Terminal Attach voltage sensing lead clamp to Turn Off welding power source be- workpiece. fore making any input or output Connection for weld cable going to remote.

  • Page 39: Gtaw-Lift-Arc Tig Output-On Welding Mode

    � Complete Parts List is available at www.MillerWelds.com 7-3. GTAW-Lift-Arc TIG Output-On Welding Mode Ref. 278547-B 1 − 2 “Touch” Seconds Do NOT Strike Like A Match! Set Mode Switch to GTAW - LIFT-ARC Weld terminals are energized at all �...

  • Page 40: Gtaw-Tig Remote Welding Mode

    � Complete Parts List is available at www.MillerWelds.com 7-4. GTAW-TIG Remote Welding Mode Ref. 278547-B Weld terminals energized Setup Operation through the remote control in GTAW For typical system connections refer to Sec- The Adjust Control is used to set desired - TIG Remote welding mode.

  • Page 41: Section 8 - Gmaw/Fcaw Operation

    � Complete Parts List is available at www.MillerWelds.com SECTION 8 – GMAW/FCAW OPERATION 8-1. Typical Connection For Remote Control Feeder GMAW/FCAW Process Ref. 278670-B 6 Gun Turn power before making � The connection diagram illustrates connections. 7 Wire Feeder DCEP (reverse polarity) suitable for all 1 Remote 14-Receptacle wires except self-shielded FCAW-S.

  • Page 42: Gmaw/Fcaw-Remote Welding Mode

    � Complete Parts List is available at www.MillerWelds.com 8-2. GMAW/FCAW-Remote Welding Mode Ref. 278547-B Weld terminals energized Rotate Mode Switch to GMAW/FCAW GAS, Arc Control through remote control Remote position as shown. Pressing the Arc Control button will cause GMAW/FCAW Remote welding The preset voltage is shown in the Left...

  • Page 43: Typical Connection For Voltage-Sensing Feeder Gmaw/Fcaw, Fcaw-S Process

    � Complete Parts List is available at www.MillerWelds.com 8-3. Typical Connection For Voltage-Sensing Feeder GMAW/FCAW, FCAW-S Process Ref. 278671-B 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 8 Wire Feeder...

  • Page 44: Gmaw/Fcaw, Fcaw-S Output On Welding Mode

    � Complete Parts List is available at www.MillerWelds.com 8-4. GMAW/FCAW, FCAW-S Output On Welding Mode Ref. 278547-B Weld terminals are energized at all � � If associated to an ArcReach feeder If using an ArcReach feeder capable of times in GMAW/FCAW (Gas) Output- with Cable Length Compensation the communication while welding, the volt- On welding mode.

  • 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. 278672-B 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: Typical Connection For Arcreach Stick/Tig Remote (Smaw And Cac-A Process)

    � Complete Parts List is available at www.MillerWelds.com 9-2. Typical Connection For ArcReach Stick/TIG Remote (SMAW And CAC-A Process) Ref. 280218-B 8 Female Connector (User Supplied LC-40 Turn Off welding power source be- 1 Electrode Holder CAC-A (Carbon Arc) Style Female Connector) fore making any input or output 2 Electrode Holder SMAW (Stick) weld cable connections.

  • Page 47: Smaw Exx10, Exx18, Cac-A Gouge - Stick Output-On Welding Mode

    � Complete Parts List is available at www.MillerWelds.com 9-3. SMAW EXX10, EXX18, CAC-A Gouge — Stick Output-On Welding Mode Ref. 278547-B Weld terminals are energized at all Operation Arc Control times in SMAW - Stick Output-On The Adjust Control is used to set desired Arc control allows the arc characteristics, welding mode.

  • Page 48: 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 49: 10-3. Help Displays

    A complete Parts List is available at www.MillerWelds.com 7-2. 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 50: Section 11 - Electrical Diagrams

    SECTION 11 – ELECTRICAL DIAGRAMS Figure 11-1. Circuit Diagram For XMT 350 FieldPro CC/CV 230/400/460V OM-280973 Page 42...
  • Page 51 Ref. 280974-C OM-280973 Page 43...
  • Page 52 Notes...
  • Page 53 Notes...
  • Page 54 Notes...
  • Page 55 Effective January 1, 2022 (Equipment with a serial number preface of NC or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other guarantees or war- ranties expressed or implied. � Field Options (NOTE: Field options are cov-...
  • 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 2022-10...

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