4-18. Preparing Unit For TIG Welding

P3

5

6

2 1

To select TIG welding process, proceed as follows:

Follow safety precautions according to Section 1.

Prepare unit according Section 3. Connect torch to the WORK connector.

Using a cable with a proper adapter, con- nect work clamp cable to the MIG gun con- nector.

If using a water-cooled torch, connect input

P6

4

3

coolant hose to blue quick connect fitting and return coolant hose to red quick con- nect fitting.

Check coolant level after attaching torch coolant hoses and running cooler. Be sure coolant appears in upper half of indicator. Add coolant if necessary (see Section 3-8).

If a remote control is desired, connect it to the Remote Control receptacle.

Connect gas hose to gas connector on rear of unit.

Turn unit On.

Allow time for unit to complete its start up cycle.

Set TIG welding process using P3 push button.

Purge air from torch gas hose using P8 push button (see Section 4-8).

Select trigger mode using P6 push button (see Section 4-6).

4-19. TIG Welding Advanced Settings

Setting Initial And Final Amperage

process at a lower initial amperage setting.

D2 value is default setting of 0.1 second

To set initial and final amperage, proceed

Use E1 to change D1 to FI−A.

(range is 0.0 seconds to 10.0 seconds).

Use E2 to change D2 value.

as follows:

 

D2 value is default setting of 20 A (range is

 

 

Setting Cooler Status

Press P2 to enter SET UP menu.

0 A to 350 A).

. Be sure that cooler is turned on for wa-

Select MENU FULL on D1 and D2 (see

Use E2 to change D2 value.

ter-cooled torch to prevent damage to

Section 4-10).

 

This parameter allows finishing the welding

torch components.

 

 

 

Use E1 to change D1 to IN−A.

process at a lower final amperage setting.

Select MENU FULL on D1 and D2 (see

D2 value is default setting of 20 A (range is

Setting Postflow

Section 4-10).

Use E1 to change D1 to W−UN.

0 A to 350 A).

 

Select MENU FULL on D1 and D2 (see

 

 

D2 value is default setting of ON.

Use E2 to change D2 value.

Section 4-10).

Use E2 to change D2 value to OFF, if appli-

 

 

This parameter allows starting the welding

Use E1 to change D1 to POSG.

cable.

 

 

 

OM-221 694 Page 26

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Miller Electric XMC 4000 Preparing Unit For TIG Welding, TIG Welding Advanced Settings, Setting Initial And Final Amperage
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XMC 4000 specifications

The Miller Electric XMC 4000 is a versatile and robust portable welding machine designed to meet the needs of skilled welders across various industries. With a focus on innovation and performance, the XMC 4000 combines advanced technologies with user-friendly features, making it an ideal choice for both experienced professionals and newcomers to the welding field.

One of the standout features of the XMC 4000 is its exceptional welding output. The machine is capable of delivering a maximum output of 400 amps, allowing it to handle a wide range of applications, from light fabrication to heavy-duty industrial tasks. Its multi-process capabilities enable users to perform MIG, TIG, Stick, and Flux-Cored welding, providing versatility and flexibility for different welding requirements.

The XMC 4000 is equipped with Miller's Auto-Set feature, which simplifies the welding process. This technology automatically adjusts the settings based on the user's selected material thickness and wire diameter, ensuring optimal arcs and reducing the likelihood of operator error. Additionally, the machine includes a built-in dynamic arc control that improves arc stability and provides a consistent weld quality, even in challenging conditions.

Another key characteristic of the XMC 4000 is its user-friendly interface, featuring a large LCD display that provides real-time data on welding parameters. This allows operators to make quick adjustments as needed, enhancing productivity and efficiency on the job site. The intuitive design also makes it easy for users to navigate through various settings without extensive training.

Durability is a priority with the XMC 4000. The unit is built with high-quality materials and designed to withstand harsh working environments. Its rugged construction, combined with a compact and lightweight design, makes it easy to transport, whether to the job site or between service locations.

In terms of power options, the XMC 4000 is adaptable to various input voltages, allowing it to operate seamlessly in both industrial and field-based applications. This level of flexibility means that welders can use it in diverse locations, making it a reliable companion for on-the-go projects.

Overall, the Miller Electric XMC 4000 stands out as a powerful, versatile, and user-friendly welding machine that meets the demands of today’s welding professionals. Its advanced features, durable design, and multiple process capabilities make it an excellent investment for anyone looking to enhance their welding capabilities.
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