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Summary of Contents for Protec FC-120
- Page 2 Description: This machine is used to weld ferrous or nonferrous metals. Disclaimer: The information, illustrations and instructions described in this manual are based on the latest product information available at the time of publication. The manufacturer and distributors reserve the right to make modifications at any time as a result of product changes, and such modifications are not obligated to notify any organization or individual.
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Page 3: Table Of Contents
CONTENTS Safety precautions.................. 3 Warnings....................4 Package and transportation................8 Parameters......................9 Product description..................9 Working principle................... 13 Installation and wiring................... 13 Brief instruction for welding operation............17 Maintenance....................18 Common machine malfunctions and solutions.........19 - 2 -... -
Page 4: Safety Precautions
Safety precautions The equipment is designed for the qualified personnel who have passed professional training. The operator shall have sufficient professional knowledge of welding, cutting and circuit, and have obtained the qualification certificate of welder. Only operate the machine after reading and fully understanding all the safety precautions and warnings in the manual and of welding operations. -
Page 5: Warnings
8. Do not operate the welding/cutting machine in humid environment, otherwise it may cause electric shock or short circuit accident. 9. It is strictly forbidden to re-modify the equipment or the attached equipment related to the operation of the equipment without permission, to avoid accidents. 10.The disposal of the scrap equipment must comply with the relevant policies and regulations of the local government. - Page 6 Use appropriate flame retardant shields or curtains to protect other persons from arc radiation and high temperature sparks. Welding slag has high temperature, and can be splashed over a long distance. During the removal of welding slag, the operator and viewers should wear additional safety goggles over safety glasses.
- Page 7 Prevention of Electric Shock Injuries A person contacting with live electrical components or machine can produce an electric shock, which will cause serious injury to the human body or death. Do not use welding/cutting machines in humid environment where movement is limited or there is a risk of falling.
- Page 8 Human exposed to the electromagnetic field may cause unknown health effects. Welders should minimize electromagnetic field damage through the following methods. Wrap the electrodes and the working cable with insulating cloth and secure them with tape if possible. Do not wrap wires and cables around arms. Do not put cables around your body.
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Page 9: Package And Transportation
Gas Cylinder Safety Cylinders connected to welding/cutting equipment may rupture and leak gas, if not being properly operated. A sudden rupture of a cylinder valve or relief valve can cause injury or even death to human body. The cylinder should be away from high temperature and fire source. Do not use hard objects to scratch on the cylinder body. -
Page 10: Parameters
3. Equipment should be stored in a rainproof, moisture-proof and well ventilated place, and the ambient temperature of storage should be -25℃~55℃. Parameters Model FC-120 FC-120ECO FC-120 Item Value Rated input voltage AC220V±15% AC110V±15% 50/60Hz 1PH 50/60Hz 1PH Rated input power 5.1kVA... - Page 11 flux-cored wire protects the droplet and weld pool by the slag forming constituents and the gas forming constituents of the flux-cored wire which produce gas and slag under the high temperature of the arc. The self-shielded flux-cored wire welding carries the advantages that it doesn't required an external shielding gas, simple welding torch structure with light weight and easy to operate;...
- Page 12 ø2.0mm/ø3.2mm； 1.6. With overheat and overvoltage protection functions, it is safe, reliable and convenient for troubleshooting. 1. Appearance: FC-120 Panel: 'LED display': display real-time current output ; display values during parameter settings. 'Push-button, welding process': Select among Flux0.8、Flux1.0、MMA、Lift TIG.
- Page 13 'AC110V or AC220V power light.' 'Error indicator light': When the machine functions normally, this light is always off. It will lit when abnormal conditions occur. 'Voltage adjustment knob'：rotate to regulate the output voltage. 'Current adjustment knob'：rotate to regulate the output welding current. 'Coupling device, negative pole (-)': under MMA mode, connect the electrode holder to the negative terminal in direct current electrode negative way, and connect the earth wire clamp which clamps the work...
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Page 14: Working Principle
clamps the work piece. 'AC220V power light.' 'Error indicator light': When the machine functions normally, this light is always off. It will lit when abnormal conditions occur. 'Voltage adjustment knob'：rotate to regulate the output voltage. 'Current adjustment knob'：rotate to regulate the output welding current. 'Integrated gas-shielded torch' Working Principle 1. - Page 15 10cm space on the left and right sides to ensure good ventilation conditions around the machine. 2. Requirements of power input The power supply waveform should be standard sin wave, the rated voltage is 220V/110V±15% with 50Hz or 60Hz frequency. FC-120 FC-120ECO FC-120 Model Parameters Value AC110V±15%...
- Page 16 wire of the machine must be reliably connected with the grounding cable. e) Before connecting the power cords, it is necessary to confirm the parameters of the power supply on the name plate of the machine which allowed to be connected, and verify the input power supply is consistent with the allowable power supply of the machine.
- Page 17 4. Installation and adjustment of wire spool 4.1. Installation of wire spool Attention: Before putting the wire spool into the hub shaft, find the locating pin on the shaft and the locating hole on the spool; Then align the hole with the pin and push the wire spool into the hub shaft.
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Page 18: Brief Instruction For Welding Operation
5.2. How to select tensioner roller and drive roll Non-groove Tensioner roller Drive roller V groove knurled V groove roll: Suitable for some hard wire like solid carbon steel wire and stainless steel wire Knurled roll: Suitable for flux cored wire Brief instruction for welding operation 1. -
Page 19: Maintenance
1.9 Select welding process first and set current parameters on the panel according to the requirements. Then point the torch towards the work piece and press the trigger to start welding. 1.10 Carry out the welding operation according to the normal procedure. During welding, the parameters can be modified according to the actual situation. -
Page 20: Common Machine Malfunctions And Solutions
2.3. Replacement of contact tip and wire feeder The contact tip and wire feeder should be replaced in time; clean the wire liner frequently. Common machine malfunctions and solutions Warning： Machine maintenance must be carried out by qualified professional and technical personnel! The highest voltage inside the machine can be reach to 600V!!! For your safety, do not open the machine cover at will. - Page 21 No. Problem Root cause What to do Power switch damage Replace the power switch Rectifier bridge damage Replace rectifier bridge 1 Power switch fails Check the internal wiring of Internal machine short machine circuit troubleshoot short circuit problem Check the power supply if Power supply phase phase loss and fix the missing...
- Page 22 No. Problem Root cause What to do The welding parameters Re-adjust the welding do not match, or parameters or improve the Unstable arc and lots operations is not regular. operation. of spatter The contact tip is badly Replace the contact tip worn Press and hold the Torch trigger damaged...
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