Miller Electric XMT 350 CC/CV manual Operation, Front Panel Controls, Power Switch

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SECTION 5 − OPERATION

5-1. Front Panel Controls

1 Power Switch

.The fan motor is thermostatically

controlled and only runs when cooling is needed.

2Voltmeter

3Ammeter

4V/A (Voltage/Amperage) Adjustment Control

5Mode Switch

The Mode switch setting determines both the process and output On/Off control (see Sec- tion 5-3).

For Air Carbon Arc (CAC-A) cutting and goug- ing, place switch in Stick position. For best re- sults, place Arc Control in the maximum posi-

tion.

6 Remote 14 Receptacle

For remote control, make connections to Re- mote 14 receptacle. In TIG modes and the REMOTE STICK mode, remote control is a percent of V/A Adjust control setting (value selected on V/A Adjust is maximum available on remote). In ELECTRODE HOT STICK mode the remote control is not used. In the MIG mode, remote control provides full range of unit output regardless of V/A Adjust control setting.

7 Arc Control

Control adjusts Dig when Stick or CC mode is selected on mode switch. When set towards minimum, short-circuit amperage at low arc

23

voltage is the same as normal welding amperage.

When set towards maximum, short-circuit amperage is increased at low arc voltage to assist with arc starts as well as reduce stick- ing while welding.

Select setting best suited for application.

Control adjusts inductance when MIG or V-Sense Feeder position is selected on the mode switch. Inductance determines the “wetness” of the weld puddle. When set to- wards maximum, “wetness” (puddle fluidity) increases.

When Pulsed MIG or one of the TIG modes is selected, this control is not functional.

4

V/A ADJUST

REMOTE

ELECTRODE HOT

 

ARC CONTROL

6

5

7

1

Ref. 803 692-B / Ref. 212 064

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Contents OM-2247212 857N ProcessesDescription File MultiprocessFrom Miller to You Table of Contents Page Symbol Usage Arc Welding HazardsElectric Shock can kill HOT Parts can cause severe burnsFumes and Gases can be hazardous ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal or Dirt can injure eyesWelding Wire can cause injury Fire or Explosion hazardFalling Unit can cause injury Moving Parts can cause injuryPrincipal Safety Standards California Proposition 65 WarningsEMF Information About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortDES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion LE Bruit peut endommager l’ouïe LES Bouteilles peuvent exploser si elles sont endommagéesRisque D’INCENDIE OU D’EXPLO- Sion LA Chute DE L’APPAREIL peut blesserProposition californienne 65 Avertissements LES Fils DE Soudage peuvent provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécurité Information EMFEn ce qui concerne les implants médicaux OM-2247 Specifications CC ModeCV Mode − IntroductionDuty Cycle And Overheating 60% Duty CycleMinutes Welding Minutes Resting Overheating− Installation Dimensions And WeightSelecting a Location Connecting 1-Phase Input Power EarthGround Tools NeededConnecting 3-Phase Input Power For Three-Phase Operation= GND/PE Earth Ground Tools Needed Electrical Service Guide Single-Phase Input VoltageInput Amperes At Rated Output Min Grounding Conductor Size In AWG/KcmilWeld Output Receptacles And Selecting Cable Sizes 150 ft 200 ft 250 ftPut terminals Do not use worn, dam Aged, undersizedRemote 14 Receptacle Information Socket InformationOptional Gas Valve Operation And Shielding Gas Connection OperationGas flow starts with remote contac- tor on Power Switch − OperationFront Panel Controls Mode Switch Settings Mode Meter Reading At Idle Meter Reading While WeldingMode Switch Setting Process Output On/Off Control Meter FunctionsLift-Arc TIG Procedure Stick Start ProcedureLow OCV Stick − Maintenance & Troubleshooting Do not remove case when blowing out inside of unitBlowing Out Inside Of Unit Troubleshooting Voltmeter/Ammeter Help DisplaysOM-2247 − Electrical Diagram Circuit Diagram211 328-F Section −8 − Parts List Parts AssemblyPLG1 PLG13 C6,7 214 Wrapper/Label Location French Units View of RH Windtunnel Label 6 located on Top of WindtunnelMaterial Thickness Gauge Work like a Pro Service Your distributor also givesSupport To locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s

XMT 350 CC/CV specifications

The Miller Electric XMT 350 CC/CV is a versatile welding power source designed to meet the demands of various welding applications. Known for its robust performance and advanced features, the XMT 350 is a favorite among professional welders and contractors.

One of the standout features of the XMT 350 is its dual voltage capability, allowing for operation on both standard 230V and 460V power sources. This flexibility makes it an ideal choice for a wide range of job sites and ensures compatibility with various input power situations. The XMT 350 also offers Constant Current (CC) and Constant Voltage (CV) modes, making it suitable for stick, TIG, and MIG welding processes.

Another remarkable characteristic of the XMT 350 is its lightweight and compact design. Weighing only 66 pounds, this welding machine is easy to transport, making it a great option for fieldwork. The durable construction ensures that it can withstand the rigors of job sites while providing reliable performance over time.

The XMT 350 incorporates Miller’s Auto-Set technology, which simplifies the setup process for the user. By automatically adjusting the output parameters based on the material and thickness being welded, Auto-Set helps to optimize welding performance while reducing guesswork. This innovation is particularly beneficial for those who may be less experienced or those looking to improve their efficiency.

Moreover, the XMT 350 features an advanced software system that enhances the machine's performance. The built-in Digital Meter provides accurate readings of voltage and amperage, allowing welders to make precise adjustments for optimal results. This capability is especially valuable for achieving high-quality welds in various materials and thicknesses.

The XMT 350 is also equipped with a number of safety features, including a Thermal Overload Protection system, which prevents overheating by cutting power to the machine when it gets too hot. This ensures the longevity of the unit and protects welders from potential hazards during operation.

In conclusion, the Miller Electric XMT 350 CC/CV is a powerful, versatile, and user-friendly welding machine that caters to various welding applications. Its advanced technologies, including Auto-Set, dual voltage capability, and safety features, make it a reliable choice for both experienced welders and those just starting in the field. With the XMT 350, welders can expect exceptional performance and results across diverse welding tasks.
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