LOTOS ltp8000 Скачать руководство пользователя

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PROBLEMS IN PLASMA CUTTING

TROUBLESHOOTING PLASMA CUTTING

PROBLEMS

(SYMPTOMS)

PROBLEM CAUSE

RECOMMENDED ACTION

Fan stops working

w

Fan power cord is off

w

Enclosure blocks the fan that causes
deformations

w

The fan fails

w

Reconnect the power cord

w

Reform the enclosure

w

Replace the fan

Warning light on

w

Over heat

w

Over current

w

Cut after cooling down

w

Lower input voltage or replace machine

No output

w

Over current protection

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

frequency

arc

cannot

generated

w

The switch fails

w

Incorrect selection for the air flow, the
electrode fails

w

High frequency arc generator fails

w

Replace the switch

w

Replace the electrode

w

Replace the high frequency arc generator

Содержание ltp8000

Страница 1: ...LOTOS LTP8000 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: ...l 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 physical contact with work and ground Ø Always be sure the work cabl...

Страница 4: ...ases 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 flammable or toxic vapors from substances inside They can cause an explosion even though they have been cleaned Ø Sparks and spatter are thrown from the cutting...

Страница 5: ...he 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 covers and guards closed and securely in place Please read this Operation Manual caref...

Страница 6: ...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 ü 80 amp pilot arc plasma cutter ü Automatic dual frequency 50 60Hz ü High frequency start and cont...

Страница 7: ...nded 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 1 2 38mm Material2 Mild Steel Normal Cut 1 25 4mm 80A 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: ... Hose Connection e Air Regulator Mounts v CONTROLS AND SETTINGS The annotation will be used later in Installation section to avoid confusions CONTROLS SETTINGS 1 2T 4T Switch 2 Gas Check Cut Switch 3 Post Air Timer 4 Output Current AMP Adjust Knob 5 Ground Cable Clamp Control Connection Electrode Positive 6 Torch Trigger Switch Connection 7 Pilot Arc Cable Connection 8 Torch Connection Electrode N...

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 LTP8000 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: ... and local codes w Do not remove or defeat the purpose of the power cord ground pin Be sure the 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 LTP8000 must be connected to AC220V 10 230V 10 240V 10 50 60Hz Single phase supply Plug Wire Connection Example 220 240V 50A INPUT Figure A 0 Fai...

Страница 12: ... brand consumables sets of BCON serial One set of consumables has already been installed in the torch head CYLINDER could explode if damaged w Keep cylinder upright and chained to a support w Keep cylinder away from areas where it could be damaged w Never allow the torch or welding electrode to touch the cylinder w Keep cylinder away from live electrical circuits Obtain the necessary air Connect t...

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: ...e torch to start the pilot arc Hold the torch at the edge do not continue the cut until the arc has cut completely through the work piece 3 Drag the torch across the work piece to proceed with the cut smoothly Maintain a steady even pace Make sure the arc cut completely through the work piece 13 ...

Страница 15: ...nd the work piece should be within 1 16 inch 1 5 mm 2 Fire the torch Slowly rotate the torch to from 30 to 90 3 Hold the torch in place while continuing to press the trigger When the arc goes completely through the work piece then the arc has pierced the material 4 When the pierce is complete drag the torch lightly along the work piece to proceed with the cut ...

Страница 16: ...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 80A 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 17: ...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 18: ...OMS 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 do n...

Страница 19: ...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 20: ...19 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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