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Equipment

General Overview

Manufactured with advanced inverter technology, the CT520D multipurpose unit includes the following 

features: stable output, reliable, completely portable, high-efficiency and low noise generated while 

cutting. 

The CT520D multipurpose unit offers a variety of welding and cutting aspects. It is able to cut all types of 

metal up to 1/2’’ with the 50A plasma cutting function. This LOTOS multi-process welder can switch 

between AC/DC TIG Weld and AC/DC STICK Weld

 quickly and easily. With a hand carrying weight of 

32lbs, the unit is portable and reliable featuring a duty cycle of 60% at max amps on all processes.

Main Characteristics

 

The LOTOS CT520D series DC TIG, MMA, and plasma cutter allows you to weld stainless steel, alloy steel 

and carbon steel and other nonferrous metals. 

9

• Stabilization

• Reliability

• Portability

• Power efficiency and low noise output

• High cutting speed

• Smooth cuts

General

Model name

CT520D

Functions

50 A Plasma Cutter

200 A TIG Welder

200 A STICK Welder

Dimension with handle

Weight

32 lbs (14.5 kg)

Input voltage

110-220 V, 1-PH, 50/60 Hz

Power supply type

Inverter -  IGBT

Housing protection

IP21

Insulation

B

Efficiency

85%

Accessories

Plasma cutting torch

50 A, 12.5 ft. (3.81m)

TIG welding torch

200 A 12.9 ft. (3.93m)

Arc/Stick clamp

200 A 6.5 ft. (1.98m)

Argon regulator

0-250 psi

Air regulator

0-150 psi

Specifications

Содержание CT520D

Страница 1: ... LOTOS TECHNOLOGY www uwelding com Plasma Cutter TIG Stick Welder CT520D ...

Страница 2: ...ase please go to our website to protect your eyes from harmful plasma cutting arc radiation and safety gloves to protect your hands during welding 2 Connect the machine gas inlet on the back of the machine Figure 1 2 with an air compressor Figure 1 3 and set the air pressure to 65 70 PSI The Air Regulator is optional if your air compressor has the capability to control output air pressure 1 Instru...

Страница 3: ... Finally move the torch head to the work piece and start cutting 5 Change your consumables tip electrode ring and cup if they are worn out The consumables type is LCON If you want to cut the perfect circle or perfect straight line order a Lotos LCK roller guider compass kits from our website www uwelding com 1 Wear our auto darkening helmet and gloves to protect your eyes and hands from any harmfu...

Страница 4: ...e sure the ground cable is connected on the right hand side where the sign is located Set TIG Weld Stick Weld Plasma Cut switch to TIG Weld mode refer to Figure 1 4 page 2 Set 2 5S 5S to 2 5S mode Set Machine PEDAL to Machine mode Adjust current dial from 10 to 200 amps Figure 1 8 Figure 1 5 Figure 1 6 Figure 1 7 Figure 1 8 Output from Air Compressor Argon Regulator Argon Gas Machine Gas Inlet Air...

Страница 5: ... to TIG Weld mode refer to Figure 1 4 page 2 Set 2 5S 5S to 2 5S mode Set Machine PEDAL to Pedal mode Adjust current dial between 10 and 200 Amp Figure 1 9 3 TIG torch head parts Figure 1 10 and assembly Figure 1 11 The tungsten is not included in the picture please buy proper DC Lotos tungsten electrodes Grind and sharpen the tungsten before first use Figure 1 9 Figure 1 10 Figure 1 11 Foot Pedal...

Страница 6: ...asma Cut switch to Stick Weld mode refer to Figure 1 4 page 2 Set 2 5S 5S to 2 5S mode Set Machine PEDAL to Machine mode Adjust current dial between 10 and 200 amps Figure 1 12 Last but not least please be sure to turn off the machine when you switch from one function to another This is important because otherwise the machine could be damaged All accessories and consumables can be purchased at www...

Страница 7: ... LOTOS Plasma Cutters User Manual Version 2 0 May 2014 copyright Lotos Technology www uwelding com is operated by Lotos Technology ...

Страница 8: ...iding Harmful Noises Fire or Explosion Burn Protection Protecting Eyes from Flying Metal or Dirt Pacemakers Cylinder Handling Equipment 9 General Overview Main Characteristics Specifications Adjustor Diagram Air Regulator Configuration Connecting Cables to Machine Installations Instruction Notes 19 Working Environment Safety Maintenance Troubleshooting Table of Contents 7 7 7 7 7 7 8 8 8 8 8 9 9 9...

Страница 9: ... procedures for proper operation of the equipment IMPORTANT Be sure to review the contents of this manual before attempting to operate the equipment This manual should be located where it can be easily referenced by all users of the machine Audience This manual assumes that all individuals reading the manual and using the welder cutter are able qualified and or certified to operate this type of ma...

Страница 10: ...es and skin Avoiding Fatal Electric Shock Protect yourself and others from injury read and follow these precautions Welding produces fumes and gases Breathing these fumes and gases can be hazardous to your health 7 Do NOT switch off the machine while machine is in operation for internal circuitry can be damaged Wear appropriate clothing and a welding or cutting mask to protect your eyes and skin U...

Страница 11: ...ing cutting and allied pro cesses can cause fire or explosion if precautionary measures are not followed Use approved helmets or hand shields that provide protection for the face neck etc Wear approved safety goggles or glasses with side shields even under your helmet Wear approved safety glasses with side shields even under your welding helmet Persons with a pacemaker should not go near welding o...

Страница 12: ...turing a duty cycle of 60 at max amps on all processes Main Characteristics The LOTOS CT520D series DC TIG MMA and plasma cutter allows you to weld stainless steel alloy steel and carbon steel and other nonferrous metals 9 Stabilization Reliability Portability Power efficiency and low noise output High cutting speed Smooth cuts General Model name CT520D Functions 50 A Plasma Cutter 200 A TIG Welde...

Страница 13: ...A 220V 10 100 A 110V Material can weld Steel Stainless Moly Ferrous Duty cycle 40 C 104 F 60 200 A 100 150 A No load voltage 62 V Working voltage 16 9 V Gas supply Clean dry oil free argon gas Starting mechanism High Frequency Start HF Welding Recommended gas inlet flow rate 2 5 L M DC Stick Welding Rated input power requirement 120 220 V 1 PH 23 A 15 50 60 Hz Output current 10 200 A 220V 10 80 A ...

Страница 14: ...ype Total Pieces LCON0120 LN01 LE01 LC01 LR01 LN01 x 10 LE01 x 10 20 LCON0140 LN01 LE01 LC01 LR01 LN01 x 10 LE01 x 10 LR01 x 10 LC01 x 10 40 LCON0190 LN01 LE01 LC01 LR01 LN01 x 40 LE01 x 20 LR01 x 20 LC01 x 10 90 LCON0220 LN02 LE02 LC02 LR02 LN02 x 10 LE02 x 10 20 LCON0240 LN02 LE02 LC02 LR02 LN02 x 10 LE02 x 10 LR02 x 10 LC02 x 10 40 LCON0290 LN02 LE02 LC02 LR02 LN02 x 40 LE02 x 20 LR02 x 20 LC02...

Страница 15: ...Adjustor Diagram 2 Figure 2 3 Air Regulator Configuration 12 Amp Display Amp Adjusting 2 step 5 step Switch Machine Pedal Switch Function Switch Problem Indicator Connect to Air Compressor Air Regulator Power Cord Power Switch TIG Stick Cutter ...

Страница 16: ...Diagram 13 Power Cord Adjust to Plasma Cut Gas Power Output Gas Power Output 5 pin Plug 5 pin Plug Ground Cable Ground Clamp Ground Clamp Work Piece Work Piece Cutting Torch TIG Torch 220V Round Plug 220V Round Plug Air Compressor Argon Tank Argon Hose Argon Regulator Power Cord ...

Страница 17: ...TIG Welding with Foot Pedal Diagram 14 220V Round Plug Argon Tank Argon Regulator Argon Hose Power Cord Gas Power Output 5 pin Plug unplugged Foot Pedal with 5 pin Plug Work Piece Ground Clamp TIG Torch 220V Round Plug Work Piece Ground Clamp Arc Handler ...

Страница 18: ... clockwise Connect earth clamp with work piece If the power switch is on the built in fan starts working and the current meter displays the current value The function switch enables the machine to alternate between MMA TIG and CUT welding according to the practical welding task requirement 1 TIG Welding Function Connect the copper nozzle in the back of the machine to the argon tank with the hose T...

Страница 19: ... connect to one of the terminals on the air regulator and connect the other terminals to the copper tub Connect the copper nut of the cutting torch to the knob on the panel board Connect the plug of the ground clamp to the socket on the front panel According to practical demand set the parameters of the current output by the operation of ARC TIG or CUT 16 25 20 15 10 5 1 SHUT REGULATOR AR OPEN Fig...

Страница 20: ...ation that is a special design to protect the welding point before it cools down Therefore after the arc is gone maintain the welding position until the heat produced during the welding operation dissipates 17 MMA Function 1 Switch to MMA welding mode 2 While this welding cutting equipment is operated the power supply indicator is on and the built in fan will function 3 According to the thickness ...

Страница 21: ...ccording to the thickness of the work piece adjust the current output and then the plasma cutting can begin 6 Put the nozzle of the cutting torch to the work piece and press the welding torch button The sound of the HF arc vanishes and the cutting operation can begin After the arc starts maintain a distance of about 1mm in order to protect the nozzle from possible damage 7 In case of difficulty wi...

Страница 22: ...ng area should be 30 cm Good ventilation is of critical importance for the normal performance and service life of this welding cutting equipment b Welding cannot be performed if equipment is overloaded A sudden halt may occur while the cutting operation is carried out if the machine is in over load status Under this circumstance it is unnecessary to restart the equipment Keep the built in fan runn...

Страница 23: ...ailure Fault Symptoms Rectification 1 While this welding and cutting equipment is off the built in fan is not functioning and there is no output 1 Possibledamageofpowersupplyswitch fixthedamageifnecessary 2 Possible unavailability of power supply Check for failure in power supply 3 Possible short circuit of the input cable Check it and repair it if necessary 2 While this welding and cutting equipm...

Страница 24: ...onnection of earth cable or misconnection of the earth cable and work piece 3 The connection between positive output terminal or the gas or electricity output terminal and this welding equipment is possibly unavailable Reconnect them if necessary 5 While this equipment is operated the fault indicator is off no electricity releasing and arc starts 1 The cable connection between the transformer of a...

Страница 25: ...g torch cable 2 Reconnect them 9 Insufficiency in welding and cutting performance and the arc is not stable 1 Possible insufficiency of voltage input 2 The connection of earth cable is unavailable Reconnect it 3 The gas supply system is unavailable Examine it and fix it if necessary 4 There is possible deficiency of electrode of cutting torch 5 The filter capacitor of this welding and cutting equi...

Страница 26: ......

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