F-48

TROUBLESHOOTING AND REPAIR

F-48

 

TOC

TOC

THERMOSTAT TEST – THERMAL PROTECTION (continued)

 

 

 

 

Section

Master

FIGURE F.11 – THERMOSTAT CIRCUIT

 

 

 

224

224A

 

Return to

Return to

 

 

 

220

291

224A

 

 

224

 

 

 

 

 

 

OUTPUT RECTIFIER

CHOKE

 

 

 

 

THERMOSTAT

THERMOSTAT

 

 

 

 

(BOLTED CONNECTION)

(CONNECTED W/EPOXY)

 

 

 

220

 

 

Return to Section TOC

Return to Master TOC

J5-2

J5-3

 

 

 

 

 

 

 

 

 

Thermostat

 

 

 

 

 

J5

 

 

Return to Section TOC

Return to Master TOC

 

LED 6

 

 

SIMPLIFIED TEST PROCEDURE

 

 

 

 

 

 

 

 

 

 

NOTE: Never run the V-450 PRO under load when

All thermostats are normally closed so moving the

 

 

 

any of the thermostats are bypassed. This is

jumper as indicated and watching the Thermal LED

 

 

 

only a means of isolating the inoperative or

should help determine which thermostat or

 

 

 

open thermostat.

associated wiring is defective.

 

 

1. Temporarily bypass thermostat circuits with a

Don’t forget to check the incline splice 224 to 224A as

 

 

shorting jumper as follows:

 

 

a possible open.

TOC

 

 

 

TOC

All thermostats at the Control Board (2J5 to

 

3J5)

 

Sectionto

Masterto

Output Rectifier thermostat only (220 to 291)

 

 

 

Choke thermostat only (224A to 291)

 

Return

Return

 

Located on the Output Rectifier Heat Sink

 

 

 

 

 

 

 

 

INVERTEC® V450-PRO

Page 88
Image 88
Lincoln Electric SVM199-A service manual Thermostat Test Thermal Protection, Simplified Test Procedure

SVM199-A specifications

Lincoln Electric SVM199-A is a highly advanced welding machine that has garnered attention for its robust features and innovative technologies. This piece of equipment is tailored specifically for professionals in the welding industry, providing a range of functionalities that enhance productivity and efficiency.

One of the standout features of the SVM199-A is its Dual Voltage Input capability. This allows for flexibility in energy sources, making it suitable for a variety of job sites and applications. Users can easily switch between 208V and 230V, ensuring that they can operate efficiently regardless of the electrical setup available.

The machine is equipped with a powerful inverter-based design that significantly reduces its overall weight without compromising performance. This technology not only increases portability but also delivers greater energy efficiency, resulting in lower operational costs. The inverter design allows for quicker arc starts and smoother operation, which is especially beneficial for intricate welding tasks.

The SVM199-A boasts advanced digital controls that simplify the operation for both novice and experienced welders. The intuitive interface allows users to easily set and monitor welding parameters, facilitating optimal settings for various materials and thicknesses. This level of control ensures consistent weld quality and minimizes the risk of defects.

Another impressive characteristic of the SVM199-A is its multi-process functionality. It supports MIG, TIG, and Stick welding, making it versatile for various applications, from thin sheet metal work to heavy-duty repairs. This adaptability is ideal for contractors and welding professionals who often switch between different welding processes.

Additionally, the machine features a robust cooling system designed to prevent overheating during extended use. This capability not only prolongs the lifespan of the machine but also ensures reliable performance even in demanding conditions. The SVM199-A is built to withstand the rigors of frequent usage, emphasizing Lincoln Electric’s commitment to durability and quality.

Safety is paramount in welding operations, and the SVM199-A incorporates several safety features, including thermal overload protection and a protective housing design. These elements work together to safeguard both the machine and the operator, promoting a secure working environment.

In summary, Lincoln Electric's SVM199-A stands out in the welding equipment market due to its combination of advanced technology, user-friendly design, and exceptional performance capabilities. Whether for industrial applications or specialized projects, this machine is engineered to meet the rigorous demands of professionals, making it a valuable addition to any welding toolkit.