1. 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 INTRODUCTIONMASTER is a MMA DC welding power source which is designed for demanding professionaluse.MASTER-inverter power source is 3-phase 220 A. The MASTER-power source is protectedagainst overload with overcurrent protections and thermal releases. Operation of a thermalrelease is indicated with a signal lamp on the front wall of the machine.To delivery equipment of the MASTER MMA welding power source belong carrying strap,connection cable and a 4-pole cable without plug.Using comfort of MASTER can be added with remote control units which can be deliveredas an accessory.1.3. OPERATION SAFETYNever watch the arc without a face shield designed for arc welding!The arc damages unprotected eyes! The arc burns unprotected skin!Protect yourself and the surroundings against the arc and hot spray!Remember general fire safety!Pay attention to the fire safety regulations. Welding is always classified as a fire risk operation.Welding where there is flammable or explosive material is strictly forbidden. If it is essential toweld in such an area remove inflammable material from the immediate vicinity of the weldingsite. Fire extinguishers must always be on site where welding is taking place.Note! Sparks may cause ignition many hours after completion of welding.Watch the mains voltage!Take care of the cables - the connection cable must not be compressed, touch sharp edges orhot work pieces. Faulty cables are always a fire risk and highly dangerous. Do not locate thewelding machine on wet surfaces. Do not take the welding machine inside the work piece (i.e.in containers, cars etc.)Ensure that neither you nor gas bottles or electricial equipment are in contact with live wiresor connections!Do not use faulty welding cables. Isolate yourself by using dry and not worn out protective clot-hes. Do not weld on wet ground. Do not place the welding cables on the power source or otherelectricial equipment.MASTER 2200/0530 – 3© KEMPPI OY