Kemppi pro evolution 300, 400, 500, 300 mvu, 400 mvu, 500 mvu / 0617 – 3© Kemppi oy1. preface1.1. IntroductIonCongratulations on having purchased this product. Properly installed Kemppi products shouldprove to be productive machines requiring maintenance at only regular intervals. This manualis arranged to give you a good understanding of the equipment and its safe operation. It alsocontains maintenance information and technical specifications. Read this manual from front toback before installing, operating or maintaining the equipment for the first time. For furtherinformation on Kemppi products please contact us or your nearest Kemppi distributor.The specifications and designs presented in this manual are subject to change without priornotice.In this document, for danger to life or injury the following symbol is used:Read the warning texts carefully and follow the instructions. Please also study the Operationsafety instructions and respect them when installing, operating and servicing the machine.1.2. product IntroductIonKemppi Pro Evolution 3200, 4200 and 5200 are multi-operator power sources designed fordemanding professional use. They are suitable for MMA/MIG and pulsed MIG as well as forTIG welding in DC. Kemppi Pro Evolution can be used as power source with a welding auto-mate or robot.Power control of Kemppi Pro Evolution power source has been realized with at approx. 20 kHzfrequency IGBT transistors operating and control unit with microprosessor.Kemppi Pro machines can be seen in operating instructions for each unit. Mounting intructionsfor control panels PX and PL are in their packages.This manual handles installation and use of Kemppi Pro Evolution power sources.This equipment’s electromagnetic compatibility (EMC) is designed for use in anindustrial environment. Class A equipment is not intended for use in residential loca-tion where the electrical power is provided by the public low-voltage supply system.