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LOTOS LT3200
Plasma Cutter

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Summary of Contents for LOTOS LT3200

  • Page 1 LOTOS LT3200 Plasma Cutter...
  • Page 2: Table Of Contents

    ABLE OF ONTENTS SAFETY ......................... 2 SPECIFICATIONS ....................... 5 ........................5 ENERAL ESCRIPTION ’ ..........................5 NCLUDED ........................6 OWER UPPLY ATING ........................7 ONTROL ANEL ........................7 ONTROLS AND ETTINGS INSTALLATION ......................8 ........................8 EFORE NSTALLATION ......................... 10 NPUT ONNECTIONS ........................
  • Page 3: Safety

    SAFETY PLEASE READ AND UNDERSTAND THE FOLLOWING SAFETY HIGHLIGHTS. BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS. ARC AND TIG WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH.
  • Page 4 them not to watch the arc nor expose themselves to the arc rays or to hot spatter or metal.  FUMES AND GASES can be dangerous  Plasma cutting may produce fumes and gases hazardous to health. Avoid breathing these fumes and gases. When cutting, keep your head out of the fume. Use enough ventilation and/or exhaust at the arc to keep fumes and gases away from the breathing zone.
  • Page 5  Never allow any electrically “hot” parts to touch a cylinder.  Keep your head and face away from the cylinder valve outlet when opening the cylinder valve.  Valve protection caps should always be in place and hand tight except when the cylinder is in use or connected for use.
  • Page 6: Specifications

     GENERAL DESCRIPTION The LOTOS LT3200 Plasma Cutter is designed for light cutting projects. This unit is the most compact plasma cutter one can find in the market and weights only 8kg (17.6lbs). In the mean time, this powerful unit is powerful enough to cut 8mm (5/16in) metal with 12mm (1/2in) severance thickness, making it an ideal choice for cost conscious DIY hobbyists.
  • Page 7: Power Supply Rating

    Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating. Production cutting thickness are the results of LOTOS's laboratory testing. Production speeds are approximately 80% of maximum. For optimum cut quality, cutting speeds may vary based on different cutting applications.
  • Page 8: Rear Control Panel

    REAR CONTROL PANEL  The unit is connected to the supply even if the Power Switch is in the “OFF” position, and therefore there are electrically live parts inside the power source. Carefully follow the instructions given in this manual. REAR CONTROL PANEL Unit Power Switch Power Cord...
  • Page 9: Installation

     Dirt and dust that can be drawn into the machine should be kept to a minimum. Failure to observe these precautions can result in excessive operating temperatures and nuisance shutdown.  STACKING LT3200 cannot be stacked. TILTING  Place the machine directly on a secure, level surface. The machine may topple over if this procedure is not followed.
  • Page 10 2. Direct interference radiated from the plasma cutting leads. 3. Direct interference radiated from feedback into the power lines. 4. Interference from re-radiation of “pickup” by ungrounded metallic objects. Keeping these contributing factors in mind, installing equipment per the following instructions should minimize problems.
  • Page 11: Input Connections

    The Inverter LT3200 must be connected to AC220V±10%, AC230V±10%, AC240V±10%, 50/60Hz Single phase supply. The rated output of the LT3200 is available when connected to a 30A branch circuit. When connected to a branch circuit with lower amp rating, lower welding current and duty cycle must be used.
  • Page 12: Output Connections

    The consumables set of electrode, nozzle and cup should install in order as shown in Figure A.2. The LT3200 can only use genuine LOTOS brand consumables sets of LCON serial. One set of consumables has already been installed in the torch head.
  • Page 13 OUTPUT CONNECTION (  Figure A.3) The plasma cutting torch and ground cable are supplied with the plasma cutter. To connect the cables, turn the Power Switch “OFF”. Plug the major power connector (the wider wire) from the torch cable to the “Cutting Torch” output terminal (5) .
  • Page 14: Operation

    1) Connect up the air compressor using air filter and regulator as Installation indicates. 2) Install LT3200 plasma cutting torch and ground cable & clamp as Installation indicates, turn the power ON. 3) Adjust the air pressure and make it is adequate to machine, open the valve of pressed air.
  • Page 15: Maintenance

    MAINTENANCE PLEASE READ AND UNDERSTAND THIS ENTIRE SECTION BEFORE DOING MAINTENANCE FOR YOUR MACHINE. ONLY QUALIFIED PERSONNEL SHOULD OPERATE THIS EQUIPMENT. OBSERVE ALL SAFETY INFORMATION THROUGHOUT THIS MANUAL. ELECTRIC SHOCK can be fatal  Have a qualified electrician install and service this equipment. ...
  • Page 16: Troubleshooting

    TROUBLESHOOTING PLEASE READ AND UNDERSTAND THIS ENTIRE SECTION. SERVICE AND REPAIR SHOULD ONLY BE PERFORMED BY TRAINED PERSONNEL FOR YOUR SAFE, PLEASE OBSERVE ALL SAFETY INFORMATION THROUGHOUT THIS MANUAL. ELECTRIC SHOCK can kill  Service and Repair should only be performed by Trained Personnel. Have a qualified electrician install and service this equipment.
  • Page 17  PROBLEMS IN PLASMA CUTTING TROUBLESHOOTING PLASMA CUTTING PROBLEMS PROBLEM CAUSE RECOMMENDED ACTION (SYMPTOMS)  Turn power switch “ON”  Power switch off  Check air supply Torch does not  Air supply is compromised  Attach the ground clamp & cable securely work ...
  • Page 18: Other Accessories

    OTHER ACCESSORIES The following accessories and consumables can be purchased on www.uwelding.com, or call 408-739-2329 to order. CONSUMABLES ACCESSORIES...

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