Kemppi KempArc Pulse 350 Operating Manual

Also see for 450: Operating manual

ENCable Duty cycle ED Voltage loss / 10 m100 % 60 % 30 %70 mm² 355 A 460 A 650 A 0.25 V / 100 A95 mm² 430 A 560 A 790 A 0.18 V / 100 ADo not overload welding cables due to voltage losses and heating.NOTE! Always check the serviceability of the earth return cable and clamp. ensure the metalsurface to which the cable is connected is clean from metal oxide or paint. Check the connector tothe power source is fastened correctly.2.5.6 Interconnection with wire feederKemppi provide a choice of interconnection cable sets for different environments. Onlymaterials that meet the demands of Kemppi's international markets are used in theirconstruction.used correctly, Kemppi cables sets ensure high welding performance and serviceability.Before use, always ensure the cable set is in good condition and that connectors are correctlyfastened. loose connections reduce welding performance and may result in damage toconnectors due to heating effects.For correct connection and configuration of cable sets, please refer to schematic drawings:2.4.1 and 2.4.2NOTE! KempArc Pulse 350/450 power sources are designed to be used oNLY with Dt 400 wire feedunit and KF 62 control panel.3. opErAtIon Control3.1 mAIn swItCh I/oWhen you turn the on/off switch into i -position, the pilot warning lamp is illuminated andthe machine is ready for use. always turn the machine on and off with the power source mainsswitch. never use the mains plugs as a switch.3.2 pIlot lAmpsthe pilot lamps of the machine report its operational state:the green pilot lamp when lit, indicates that the machine is switched on and ready foruse, and that it is connected to the mains supply with the power source main switch in thei-position.When lit, the orange lamp indicates that the thermal protection circuit has been activated dueto higher than normal working loads that exceed the rated duty cycle. the cooling fan willcontinue to run and cool the machine down. When the lamp is off the machine is again readyto weld.3.3 opErAtIon oF CoolIng FAnKemparc pulse power sources incorporate two simultaneously operating fans.• the fan is started momentarily when the main switch is placed into position - i.• the fan will start during welding as the machine reaches operational temperature, andit will run for 1 to 10 minutes after the welding has stopped, depending on the weldingcycle completed.9Kemparc pulse 350, 450 / © Kemppi Oy / 1044