NewArc R2500 User Manual

Also see for R2500: Instruction manual

Contents

NewArc R2500 User Manual Manual pdf 7 page image

R2500SECTION 4 — OPERATION4.1 Description of controls1 Remote control socket - For connection of external remotecontrol or TIG300.2 Overload indicator - Indicates duty cycle has been ex-ceeded and the thermostat inside the machine has oper-ated.3 Mode switch - Selects the welding mode.4 Current control - Adjusts the machines output current.5 Power indicator - indicates mains power, lights up whenmachine is switched on.6 -ve weld terminal.7 +ve weld terminal.8 Off/On switch, (on rear panel of machine).4.2 Operation4.2.1 MMA Welding• For straight polarity welding, connect the electrodeholder to the positive weld terminal and the earth re-turn lead to the negative weld terminal. For reverse po-larity welding, reverse these connections.• Turn the mode switch to 'local', the machine is now inMMA mode.• Adjust the current control to the recommended settingfor the size and type of welding electrode to be used.• Turn the mains switch to the on position, the power onindicator will light and the machine is ready to weld.• The R2500 is suitable for welding all types of electrodeswithin the current rating of the machine, normally up to5.0mm.The R2500 should never be used with arc-air gougingor cutting electrodes.4.2.2 MMA Welding with remote control• Select welding polarity as in paragraph 4.2.1.• Turn the mode switch to remote.• Plug the control cable supplied with the remote into theremote control socket.• Plug the remote control onto the other end of the controlcable.• Adjust the current control on the remote to the recom-mended setting for the type and size of welding elec-trode being used. (The standard New-Arc RC300 remotedoes not have current settings but is marked 1 to 10, forthe R2500 allow 25A per division).• Turn the mains switch to the on position, the machine isready to weld.4.2.3 TIG Welding with TIG300Do not use the TIG300 until you have read and fullyunderstood the TIG300 manual.• Connect the TIG300 to the R2500 as per the diagrams inthe TIG300 manual.• Turn the mode switch to TIG remote, All control of thewelding procedure is now passed to the TIG300.• Select welding mode and current by adjusting the con-trols on the TIG300 with reference to the TIG300 manual.• Turn the mains switch to the on position, the power onindicator on the R2500 and the display on the TIG300 willlight up, the machine is ready to weld.