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LOTOS LT3200, Manual

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LOTOS LT3200 Manual Download Page 7

 

 

6 

 

POWER SUPPLY RATINGS 

LT3200 

 

General 
Specification 

Input Voltage 

220V~240V

±

10%, 1-PH, 50/60Hz 

Input Current 

20A 

No-load Voltage 

250V 

Working Environment Humidity 

≤90% 

Ambient Temperature 

-10~40°C 

 
Dimensions 

11.6” (259mm) L 

6” (152.4mm) W 

9” (230mm) H 

Weight 

17.6lbs (8kg) 

Rated Duty Cycle

1

 

30% @32A 

Power Cable 

6’ (1.8m) 

 

Plasma 
Cutting 
Specification 

Output Current 

12~32A 

Output Voltage 

100V 

Gas Supply 

Clean, dry, oil-free air 

Recommended Pressure/Flow Rate 

0.6~0.75Mpa   

3.0scfm @70psi 

Pilot Arc Start Mode 

High Frequency 

Maximum Severance Cutting Thickness

2

 

1/2” (12mm) 

 

Material

2

 

Mild Steel 

Normal Cut 1/4” (6mm) @32A 

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 overheating.

   

 

 

2

 

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. 

 

Summary of Contents for LT3200

Page 1: ...LOTOS LT3200 Plasma Cutter ...

Page 2: ...ERAL DESCRIPTION 5 WHAT S INCLUDED 5 POWER SUPPLY RATING 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 ...

Page 3: ... be fatal 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 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 Always be sure the work ca...

Page 4: ...d gases are to be used at the job site special precautions should be used to prevent hazardous situations 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 Sparks and spatter are thrown from the cutting ...

Page 5: ...he fuse box before working on the equipment Install equipment in accordance with the local codes and the manufacturer s recommendations Ground the equipment in accordance with the manufacturer s recommendations MOVING PARTS can cause injury Keep away from moving parts such as fans Keep all doors panels covers and guards closed and securely in place Please read this Operation Manual carefully and t...

Page 6: ... 5 16in metal with 12mm 1 2in severance thickness making it an ideal choice for cost conscious DIY hobbyists 32 amp digital inverter plasma cutter Automatic dual frequency 50 60Hz Compact size ultimate portability and efficient cooling fan system Suitable for stainless steel alloy steel mild steel copper and aluminum etc WHAT S INCLUDED Power Supply Plasma Cutting Torch Plasma Cutting Consumables ...

Page 7: ...il free air Recommended Pressure Flow Rate 0 6 0 75Mpa 3 0scfm 70psi Pilot Arc Start Mode High Frequency Maximum Severance Cutting Thickness2 1 2 12mm Material2 Mild Steel Normal Cut 1 4 6mm 32A 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 overheating 2 Production cuttin...

Page 8: ...OLS AND SETTINGS CONTROLS SETTINGS 1 Digital Display 2 Current Adjust Knob 3 Temperature Warning Light1 4 Power Indicator Light2 5 Torch Power Connection Electrode Negative 6 Ground Cable Clamp Connection Electrode Positive 7 Torch Trigger Control Connection The annotation will be used later in Installation section to avoid confusions 1 Temperature warning light indicates over current or over heat...

Page 9: ...ted 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 STACKING LT3200 cannot be stacked TILTING Place the machine directly on a secure level surfa...

Page 10: ...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 rod driven at least eight fe...

Page 11: ...oltage phase and frequency of the input power is as specified on the rating plate located on the backboard of the machine CONNECTION PROCEDURE 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 curr...

Page 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 CONSUMABLES INSTALLATION 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 instal...

Page 13: ...into the 2 pin socket marked as Switch 7 Turn the outer metal shell clockwise to tighten 3 Connect the ground cable clamp to the Earth Clamp output terminal 6 and turn it clockwise to tighten To minimize high frequency interference refer to Machine Grounding and High Frequency Interference Protection section of this manual for the proper procedure on grounding the work clamp and work piece To avoi...

Page 14: ...arc is established move the torch in the desired direction keeping the torch tip slightly angled maintaining contact with the work piece Avoid moving too fast as would be indicated by sparks radiating from the topside of work piece Move the torch just fast enough to maintain sparks concentration at the underside of the work piece and making sure the material is completely cut through before moving...

Page 15: ...achine each time the power is switched off However the user must allow the machine to sit for at least 5 minutes to allow time for the process to take place ROUTINE MAINTENANCE Routine maintenance will prevent metal powder from accumulating near the aeration fins and over them Each Use Each time you use the plasma cutter check the Torch Tip Nozzle Electrode Swirl Ring and Shield Cup Inspect Torch ...

Page 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 ...

Page 17: ...rounding Reduce speed Dross build up on parts of cuts Tool and material build up heat Cutting speed is too slow or current is too high Torch parts are worn Allow material to cool down and then continue to cut Increase speed or reduce current until dross is reduced to minimum Inspect and repair replace worn parts Insufficient penetration Torch is tilted too much Metal is too thick Torch parts are w...

Page 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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