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LOTOS LTP7000 User Manual

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LOTOS LTP7000
Plasma Cutter

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Summary of Contents for LOTOS LTP7000

  • Page 1 LOTOS LTP7000 Plasma Cutter...

  • Page 2: Table Of Contents

      ABLE OF ONTENTS SAFETY ......................... 2 SPECIFICATIONS ...................... 5 ........................5 ENERAL ESCRIPTION ’ ..........................5 NCLUDED ........................6 OWER UPPLY ATINGS ........................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 and that of your helpers from the arc rays. Ø Protect other nearby personnel with suitable, non-flammable screening and/or warn them not to watch the arc nor expose themselves to the arc rays or to hot spatter or metal. v FUMES AND GASES can be dangerous Ø...
  • Page 5 ž Away from areas where they may be struck or subjected to physical damage. ž A safe distance from arc welding or cutting operations and any other source of heat, sparks, or flame. Ø Never allow any electrically “hot” parts to touch a cylinder. Ø...

  • Page 6: Specifications

    GENERAL DESCRIPTION The LOTOS LTP7000 IGBT Plasma Cutter is one of the most powerful inverter plasma cutters in the market. The pilot arc feature is especially useful for continuous cutting on rough surfaces or dirty metal. It has been...

  • Page 7: Power Supply Ratings

    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

    v 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 Power Cord Unit Power Switch...

  • Page 9: Installation

    ž 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. Ø STACKING LTP7000 cannot be stacked. Ø TILTING Place the machine directly on a secure, level surface. The machine may topple over if this procedure is not followed.
  • Page 10 1. Direct interference radiated from the plasma cutter. 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 LTP7000 must be connected to AC220V±10%, 230V±10%, 240V±10%, 50/60Hz Single phase supply. The rated output of the LTP7000 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 LTP7000 can only use genuine LOTOS brand consumables sets of BCON serial. One set of consumables has already been installed in the torch head.
  • Page 13 Ø OUTPUT AND GAS CONNECTION FOR PLASMA CUTTING ( 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 widest wire) from the torch cable to the “-”...

  • Page 14: Operation

    1) Connect up the air compressor using air filter and regulator as Installation indicates. 2) Have LTP7000 plasma cutting torch and ground cable & clamp ready as Installation indicates, turn the power 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 w Have a qualified electrician install and service this equipment. w...

  • 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 w Service and Repair should only be performed by Trained Personnel. Have a qualified electrician install and service this equipment.
  • Page 17 v PROBLEMS IN PLASMA CUTTING TROUBLESHOOTING PLASMA CUTTING PROBLEMS PROBLEM CAUSE RECOMMENDED ACTION (SYMPTOMS) w Fan power cord is off w Reconnect the power cord w Enclosure blocks the fan that causes w Reform the enclosure Fan stops working w Replace the fan deformations w...

  • 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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