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SPECIFICATIONS

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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

redesigned to incorporate the latest high frequency inverter technology using V-MOSFETs, along with PWM

(Pulse Width Modulation), the combination of which help deliver a far more constant, concentrated and precise

current to the cutting surface. With this plasma cutter, the user can achieve smooth, clean and uniform cuts on

a wide range of surfaces with minimal heat input and without distortion of metal. It is very easy to use by the

DIY user, while fully accommodating the demands of professional operators.

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70-amp pilot arc plasma cutter

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Automatic dual frequency (50/60Hz)

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High frequency start and contact start hand torch

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Suitable for stainless steel, alloy steel, mild steel, copper and aluminum, etc.

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WHAT’S INCLUDED

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Power Supply

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Plasma Cutting Torch

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Plasma Cutting Consumables

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Ground Clamp

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Air Filter & Regulator

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Air Hose

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Air Hose Connections and Tools

Содержание LTP7000

Страница 1: ...LOTOS LTP7000 Plasma Cutter ...

Страница 2: ...RAL DESCRIPTION 5 WHAT S INCLUDED 5 POWER SUPPLY RATINGS 6 REAR CONTROL PANEL 7 CONTROLS AND SETTINGS 7 INSTALLATION 8 BEFORE INSTALLATION 8 INPUT CONNECTIONS 10 OUTPUT CONNECTIONS 11 OPERATION 13 MAINTENANCE 14 TROUBLESHOOTING 15 OTHER ACCESSORIES 17 ...

Страница 3: ... cut Do not work next to power source v ELECTRIC SHOCK can be fatal Ø The electrode and work or ground circuits are electrically hot when the machine is on Do not touch these hot parts with your bare skin or wet clothing Wear dry hole free gloves to insulate hands Ø Insulate yourself from work and ground using dry insulation Make certain the insulation is large enough to cover your full area of ph...

Страница 4: ...o through small cracks and openings to adjacent areas Avoid cutting near hydraulic lines Have a fire extinguisher readily available Ø Where compressed gases are to be used at the job site special precautions should be used to prevent hazardous situations Ø Do not heat cut or weld tanks drums or containers until the proper steps have been taken to insure that such procedures will not cause flammabl...

Страница 5: ...ERED EQUIPMENT can be dangerous Ø Turn off input power using the disconnect switch at the fuse box before working on the equipment Ø Install equipment in accordance with the local codes and the manufacturer s recommendations Ø Ground the equipment in accordance with the manufacturer s recommendations v MOVING PARTS can cause injury Ø Keep away from moving parts such as fans Ø Keep all doors panels...

Страница 6: ...se current to the cutting surface With this plasma cutter the user can achieve smooth clean and uniform cuts on a wide range of surfaces with minimal heat input and without distortion of metal It is very easy to use by the DIY user while fully accommodating the demands of professional operators ü 70 amp pilot arc plasma cutter ü Automatic dual frequency 50 60Hz ü High frequency start and contact s...

Страница 7: ...ended Pressure Flow Rate 0 2 0 4Mpa 4 8cfm 75psi Minimum working pressure 65psi Post flow Time 10s Pilot Arc Start Mode High Frequency Maximum Severance Cutting Thickness2 1 35 34mm Material2 Mild Steel Ideal Cut 1 15 29mm 70A Stainless Steel Aluminum Warranty New Unit 1 Year Warranty Refurbished Unit 60 Day Warranty 1 Duty Cycle is percentage of 10 minutes that unit can weld at rated load without...

Страница 8: ...ulator Mounts v CONTROLS AND SETTINGS CONTROLS SETTINGS 1 Digital Display 2 Cutting Gas Checking Switch1 3 Warning Light2 4 Current Adjust Knob 5 Ground Cable Clamp Connection Electrode Positive 6 Torch Trigger Control Connection 7 Pilot Arc Connection 8 Torch Power Connection Electrode Negative The annotation will be used later in Installation section to avoid confusions 1 Switch between Cutting ...

Страница 9: ...ion The machine must be located where there is free circulation of clean air such that air movement in the back and out the front will not be restricted 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...

Страница 10: ...igh frequency leakage Keep the torch in good repair and all connections tight to reduce high frequency leakage The work terminal must be connected to a ground within ten feet of the plasma cutter using one of the following methods a A metal underground water pipe in direct contact with the earth for ten feet or more b A 3 4 19mm galvanized pipe or a 5 8 16mm solid galvanized iron steel or copper r...

Страница 11: ...he voltage phase and frequency of the input power is as specified on the rating plate located on the backboard of the machine Ø CONNECTION PROCEDURE 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 ...

Страница 12: ... an air hose between the regulator and gas inlet located on the rear of the plasma cuter using air hose accessories The installed rear is shown in Figure A 1 Ø CONSUMABLES INSTALLATION 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 ins...

Страница 13: ...n 3 Take off the cap of the pilot arc socket 7 on the inverter attach the connector with a metal chip from the torch cable to the socket put the cap back on and turn clockwise to tighten 4 Connect the ground cable clamp to the output terminal 5 and turn it clockwise to tighten To minimize high frequency interference refer to Machine Grounding and High Frequency Interference Protection section of t...

Страница 14: ...set the function button to CUT Adjust output current by Current Adjust Knob The output current can be adjusted from 20A to current level set by the user The maximum current is 70A 8 Press and hold the trigger to make a cut ELECTRIC SHOCK can be fatal w Have an electrician install and service this equipment w Turn the input power off at the fuse box disconnect or unplug supply lines and allow machi...

Страница 15: ...o not touch electrically hot parts v INPUT FILTER CAPACITOR DISCHARGE PROCEDURE The machine has internal capacitors which are charged to a high voltage during power on conditions This voltage is dangerous and must be discharged before the machine can be serviced Discharging is done automatically by the machine each time the power is switched off However the user must allow the machine to sit for a...

Страница 16: ...YMPTOMS This column describes possible symptoms that the machine may exhibit Find the listing that best describes the symptom that the machine is exhibiting Step 2 POSSIBLE CAUSE The second column labeled POSSIBLE CAUSE lists the obvious external possibilities that may contribute to the machine symptom Step 3 RECOMMENDED ACTION This column provides a course of action for the Possible Cause If you ...

Страница 17: ...ction w The machine fails w Lower input voltage w Do maintenance in manufacturer or service center Output current decreased w Input voltage is too low w Input line is too thin w Increase input voltage w Thicken power line Current cannot be regulated w Connecting line of the potentiometer is off w Potentiometer of current regulation fails w Reconnection the line w Replace the potentiometer High fre...

Страница 18: ...17 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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