Page 17
Thanks for choosing Huayuan Welder Even though customer’s safety and comfort have being fully considered for the welding and cutting equipments from Huayuan company, installation and operation correctly is still needed for your safety. Pleased don’t install, operate or maintain the machine before read the manual instruction. Huayuan Welder-DO THE BEST!
Page 18
CATALOGUE Safety warnings ................15 Product characteristic ..............17 Technical specifications ..............18 Working Principle ................19 Installation and Operation ............... 20 Maintenance and repair ..............23 Packing list ..................24 Electric Diagram ................25...
Safety warnings For your and other’s safety, please follow the list below before welding: 1. Operator must be qualified according with the state standard. 2. The welding circuits are not insulated when welding. If you touch the two output electrodes of the machine with your bare skin at the same time, it will lead to electric shock, sometimes even fatal dangers.
Page 20
Safety warnings 7. When working high above the ground, safety belt must be needed. 8. The machine insulation grade is IP21S, can't be used under the rain. 9. Put the machine on the inclined place need to avoid tilting. 10. Use the machine for pipeline thawing is prohibited. 11.
Product characteristic Adopting advanced IGBT inverter technology, high frequency, easy to strike arc, with good welding performance. Adopting advanced digital control circuit, current stable and adjustable. With overload protection, anti seize and anti shock protection function. Widely used for all kinds of acid and basic electrode. ...
Technical specifications Item Unit ZX7-200 Input Power V/Hz 1~220±15% 50/60 Rated Input Capacity Rated Input Current Output Current Adjust Range 25~180 Rated Open Circuit Voltage Rated Duty Cycle 30%(40℃) Efficiency Power Factor 0.75 Ingress Protection IP21S Insulation Grade Dimension(LxWxH) 300×140×270...
Working Principle Single phase 220V alternating current transform to direct current, send to frequency power conversion circuit to isolate and reduction voltage. Then the direct current output voltage can be used for welding. Output use current and voltage sampling, feedback to control frequency conversion circuit to get stable output welding current.
Installation and Operation Functions instruction Digital meter: indicate the welding current Overheat indicator: symbol “ ”indicator on means the machine inside temperature too high Power indicator: symbol “ ”will on when machine turn on Welding current adjust knob: adjust the welding current Welding machine positive output terminal: “+”...
Page 25
Installation and Operation Installation 1. Installation method This welding machine use 50A electric leak protection switch, fuse capacity 40A. Make sure the distribution switch is off before install the machine. Don’t install the machine when hand is wet, don't put items on the welding cable, follow the steps below: ...
Page 26
Installation and Operation 2. Installation drawing 3.Operation instruction After ensure the installation correct, turn the power switch to “ON”, the fan start to work, power indicator on, machine work normal. Turn the current adjust knob, the current value will show on the digital meter, welding start. Turn the power switch to “OFF”...
Maintenance and repair Maintenance and repair must be made by technical person! 1. Maintenance Inspect all the connections regularly. Keep clean: open the shell and use compressed air to blow the dust by half a year. 2. Repair ...
Page 30
华远公司保留其使用说明书的最终解释权! 说明书如有变更,恕不另行通知! Huayuan reserve the rights of final explaination for the instruction manual! The instruction manual is subject to change without notice!
Need help?
Do you have a question about the ZX7-200 and is the answer not in the manual?
Questions and answers