ESAB Welding Equipment AB, S–695 81 Laxå, Sweden, gives its unreserved guarantee that welding power source ESABMig C420 from serial number 237 complies with standard IEC/EN 60974–1, in accordance with the requirements of directive (73/23/EEC) and addendum (93/68/EEC) and with standard EN 50199 in accordance with the requirements of directive (89/336/EEC) and addendum (93/68/EEC).
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WARNING ARC WELDING AND CUTTING CAN BE INJURIOUS TO YOURSELF AND OTHERS. TAKE PRECAU- TIONS WHEN WELDING. ASK FOR YOUR EMPLOYER’S SAFETY PRACTICES WHICH SHOULD BE BASED ON MANUFACTURERS’ HAZARD DATA. ELECTRIC SHOCK – Can kill Install and earth the welding unit in accordance with applicable standards. Do not touch live electrical parts or electrodes with bare skin, wet gloves or wet clothing.
MIG/MAG welding with solid wires of steel, stainless steel or aluminium, and cored wires with or without shielding gas. The ESABMig C420w/420sw are equipped with cooling liquid system for welding torch. The ESABMig C420/420s are not equipped with cooling system and can operate only with appropriate gas cooled torches.
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Operating temperature –10 to +40 –10 to +40 Enclosure class IP 23 IP 23 Application classification ESABMig C420/C420w Voltage 230/400–415/500V 3~50Hz 230/440–460 3~60Hz Permissible load at100 % duty cycle 315 A/30V at 60 % duty cycle 400 A/34V at 50 % duty cycle...
INSTALLATION The installation must be executed by a professional. WARNING! This product is intended for industrial use. In a domestic environment this product may cause radio interference. It is the user’s responsibility to take adequate precautions. Lifting instructions The power supply should be lifted by means of its lifting eye.
Mains power supply Check that the unit is connected to the correct mains power supply voltage, and that it is protected by the correct fuse size. A protective earth connection must be made, in accordance with regulations. Rating plate with supply connection data ESABMig C420w/C420sw 3∼...
Water flow guard (option,see page 44) ing gun (Red) Connection for return cable (–), high induc- tance * Indicating loss of coolant, only when water flow guard is used, see point 6.2.4 ** ELP = ESAB Logic Pump, see point 6.2.3. – 26 – C420e...
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Water flow guard (option,see page 44) tance Knob for wire speed setting / correction * Indicating loss of coolant, only when water flow guard is used, see point 6.2.4 ** ELP = ESAB Logic Pump, see point 6.2.3. – 27 – C420e...
It resets automatically when the temperature falls down. 6.2.3 Water connection The ESABMig C420w/C420sw have a sensor ELP, ESAB Logic Pump, which senses whether the water hoses of the welding gun are connected. When a water cooled welding gun is connected, the water pump is active.
6.2.5 Idle mode The machine has an idle mode. The fan is switched off 5 min after the end of the last welding, or after 5 min of work with decreased speed without welding. The pump is switched off 3 min after the last welding. When both fan and pump are switched off the power supply lamp [4] on the front panel is blinking.
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OK Tubrod 1413 – φ 1,2mm To select those wires set synergy switch [19] to position FCW – Ar2CO and set knob [20] to 1,6mm for ESAB Tubrod 1514 or to 1,2mm for OK Tubrod 1413. – 30 – C420e...
MAINTENANCE Regular maintenance is important for safe, reliable operation. Maintenance must be executed by a professional. Only those persons who have appropriate electrical knowledge (authorised personnel) may remove the safety plates. Note! All guarantee undertakings from the supplier cease to apply if the customer himself attempts any work in the product during the guarantee period in order to rectify any faults.
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