Panasonic YD-500KR Operating Instructions Manual

Also see for YD-500KR: Operating instructions

10CONNECTIONWelding Source Switch BoxBe sure to observe the following in order to avoid a burn or an accident resulting in injuryor death. Prior to connection work, be sure to turn off the switch of the switch box and makesure or safety. Do not touch with a wet hand. Electrical connection work and grounding work should be carried out by a qualified .In order to prevent a fire or burn-out of the device due to overheat of the cable or to preventgeneration of unstable arc。 Use the cable of the specified thickness or more. (Refer to page 10) Do not place a heavy substance on the cable or bring it into contact with a weld Zone. Tighten securely a cable joint. This machine has input power frequency select switch. Please confirm the correctposition of the switch. (Refer to pages 27,28 and 30.) When a frequency changes depending on where you use the welding source, switch toan adequate frequency.Welding TorchBase MetalSafety Warning① Loose the left and rightscrews to remove the cover.⑤Connect input cables(3 of them) tothe switch with fuse or no-fusebreaker (or leakage breaker).② Connect the inputcables (3 of them) tothe input terminals.3-phase ratedinput voltage③Tape around any exposedconductive sections whichmay come into contact withother partsWelding Power SourceSwitchBoxCoverInput⑥Ground with cable④Attach the coverCaution