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CONTENT

1. Sa fe ty Pre ca ution --- --- -- --- -- --- -- --- -- --- -- --- -- --- -- --- -- --- -- --- -- --- -- --- -- 1

2.Important Safety Items----------------------------------------------------------------------2

3.Summarize---------------------------------------------------------------------------------5

4. Rating-------------------------------------------------------------------------------6

5.Accessories--------------------------------------------------------------------------------------------7

6.Preparation ---------------------------------------------------------------------------------8

7.Function----------------------------------------------------------------------------------11

8.Connection----------------------------------------------------------------------------------13

9. Op er a tio n -- - -- - -- - - -- - -- - - -- - -- - - -- - -- - - -- - -- - - -- - -- - - -- - -- - - -- - -- - - -- - -- - - -- - -1 4

10.Maintenance and checking--------------------------------------------------------------------15

11.Caution -----------------------------------------------------------------------------17

12.Precautions for filter--------------------------------------------------------------------------------19

13.Troubleshooting ----------------------------------------------------------------------------------20

14.Circuit diagram ------------------------------------------------------------------------------------------22

15.Parts List --------------------------------------------------------------------------------23

16.Outline drawing -----------------------------------------------------------------------------------------25

Summary of Contents for YC-400TX

Page 1: ...ease read the instructions carefully and save this manual for future use First of all please read Safety precautions or Safety manual SPEC No YC 400TX3HJF Panasonic Welding Systems Tangshan Co Ltd Model No YC 400TX Operating Instructions TSM50310 01 IGBT controlled DC TIG Arc Welding Power Source ...

Page 2: ...ance Please bear in mind that this product may not be brought as is into the EU The same restriction also applies to any country which has signed the EEA accord Please be absolutely sure to consult with us before attempting to relocate or resell this product to or in any EU member state or any other country which has signed the EEA accord ...

Page 3: ...3 Summarize 5 4 Rating 6 5 Accessories 7 6 Preparation 8 7 Function 11 8 Connection 13 9 Operation 1 4 10 Maintenance and checking 15 11 Caution 17 12 Precautions for filter 19 13 Troubleshooting 20 14 Circuit diagram 22 15 Parts List 23 16 Outline drawing 25 ...

Page 4: ...e warning labels attached on the machine Warning symbol Signal phrase Description Danger When you see this symbol it means that a hazardous accident including death or serious personal injury is imminent if directions are not followed carefully Warning When you see this symbol it means that the potential for a hazardous accident including death or serious personal injury is high if directions are ...

Page 5: ...apacitors Significant voltage may exist on capacitors after turning off power at the power box so it is imperative to check to make sure that no charged voltage present at capacitors before touching any parts Do not use undersized worn damaged or bare wired cables Connect cables completely and insulate connection parts Keep all cases panels and covers securely in place Do not handle the welding po...

Page 6: ... welding wear protective closes designed for welding operation such as leather gloves leg cover and leather apron and also wear long sleeve shirts Be sure to wear noise proof protective equipment if the noise level is high Gas cylinder and gas flow regulator Overturn of gas cylinder and blowout of gas flow regulator can cause injury The gas cylinder must be handled properly according to the applic...

Page 7: ...d when welding power source is used in a domestic establishment Before installing welding equipment the user shall make an assessment of potential Electromagnetic problems in the surrounding area as below a Other supply cables control cables signaling and telephone cables above below and adjacent to the welding equipment b Radio and television transmitters and receivers c Computer and other contro...

Page 8: ...d when people welding in the danger of electric shock please turn it on that would guard the operator against electric shock There are also designed many guard functions which can stop the welding and give off alarm at the power abnormality or over duty using or IGBT damage caused by over current conditions Range of fluctuant power voltage 10 Application Widely applied to the petrochemical industr...

Page 9: ...20 Up slope timer s 0 1 5 Down slope timer s 0 2 10 Pulse frequency MIDDLE Hz 10 500 LOW Hz 0 5 30 Pulse Width 5 95 Crater control process Three mode ON OFF REPEAT Outside dimension mm 327 W 620 D 620 H Weight kg 43 N B 1 Where upslope and downslope time are to be 0 second use the slope ON OFF Switch mounted in PC board TSMP445 The switch is set to ON position at shipment 2 Ensure correct applicat...

Page 10: ...s attachments as optional accessories to suit a wide rang of TIG welding processes Cooling system YX 09KGC1 Feature This system is convenient for use in situations where cooling water i e water supply is not availabile for use of water cooled torch Automatic TIG filler feeder TIG Mate YJ 1052T Difficult work of feeding filler wire can be performed easily Efficiency of work improves Name Type ...

Page 11: ...generator is used it should be provided with an inverter of capacity from three to five times of that of the welder or with compensating winding for thyristor equipment 4 When using single phase connect to U and V terminals And keep the output current below 180A 6 2 Grounding Protection against electric shock caused by degraded insulation of welder Ground the case to prevent electric shocks and ma...

Page 12: ... or harmful corrosive gas N B 1 Remove corrugated fiberboard packing or vinyl cover 2 Where two or more welders are used and they are set side by side they must be separated by clearance of at least 30cm 3 When using a water cooled torch use it in a temperature range of 0 40 C 6 5 Selection of tungsten electrode Refer to the following table for tungsten electrode Electrode core diameter mm 0 5 1 0...

Page 13: ... 2 4 4 5 300 400 4 5 5 5 6 8 Cooling water When using a water cooled torch supply cooling water of specified quantity 1 liter per minute minimum when using torch of our production to torch by means of water supply or cooling system Care should be taken in this case because the welder does not operate unless the flow of cooling water is equal to the constant value of 0 7 liter per minute or more In...

Page 14: ...ct switch Cooling type water cooling or AIR is selected according to the torch in use 6 Cooling water Temperature warning lamp Turns on when duty cycle is excessive or flow for the water cooled torch is insufficient It is reset when a flow 1 15 2 3 4 5 6 7 8 9 10 11 12 13 14 16 17 18 19 20 21 22 23 OUTPUT DISPLAY VOLT WATER TEMP POWER ON OFF REPEAT GAS CHECK WELD INITIAL CUR WELD CUR CRATER CUR UP...

Page 15: ...ustor Welding current is adjusted 14 Crater current adjustor Crater current is adjusted when crater control of TIG welding is ON or Repeat 15 Welding process switch Set this switch at TIG when performing DC TIG welding Set this switch at STICK when performing DC stick welding 16 Pulse current adjustor Pulse current is adjusted for pulse TIG welding 17 Pulse frequency adjustor Pulse frequency is ad...

Page 16: ...13 8 Connection 1 TIG welding 2 DC stick welding After wiring the output terminals please cover them with this protective guard INPUT POWER BASE METAL ...

Page 17: ...rater control torch and pulsation switches f Welding work ends Close the argon gas cylinder after finishing welding work Stop the cooling water if used g Turn off the power switch on the front panel h Turn off the switch of the switch box 9 2 Stick welding operation a Set the welding process switch on the torch select switch at Air b Turn on the switch of the switch box c Turn on the power switch ...

Page 18: ...stors etc Also if dust accumulates between the windings of the transformer it may cause degradation of insulation Clean every part of the machine by blowing compressed dry air removing the top and side panels or the welder at least once every six months If the top or side panel is removed replace it correctly before operating again Care should be taken because transformers and semi conductors are ...

Page 19: ...circuit the three input terminals b Disconnect the secondary side current cable connected to two output terminals and short circuit the two output terminals c Short circuit the anode and cathode of the main circuit primary diode D1 the emitter and collector of the main transistor Q1 Q2 the anode and cathode of the secondary diode D2 D3 and thyristor d Remove case grounding The case is grounded by ...

Page 20: ... the maximum Duty cycle should be 40 11 6 Flow switch Water pressure To protect the water cooled torch from burning the machine is provided with a flow switch which activates the water warning lamp and terminals work where water flow rate is too low If this happens increase water flow rate or install the water tank YX 0092UW to ensure necessary flow When the water tank is used change cooling water...

Page 21: ...18 hand Because of freezing the flow switch may be broken in winter Therefore Disconnect torch water hose from the power supply or keep water flowing at very low pressure ...

Page 22: ...r in the adapter and setting it to the water inlet on the rear side of the welding machine set the water hose to the adapter 12 2 Maintenance for filter When the water conduct comes to be used for a long time and dust or fur is accumulated in the filter there might be the case the Warning Lamp turns on and the machine stops Therefore clean the filter once or twice per month The way of cleaning Rem...

Page 23: ...ve because of possible main circuit trouble Neither high frequency wave nor arc is generated Welding process switch is set for stick welding Torch switch input is not connected Welding use shielding gas is not flowing Arc is not generated While high frequency voltage is generated Base metal side cable is not connected or connection is not effective Distance between torch electrode and base metal i...

Page 24: ... small compared with current suitable for the diameter of rod Arc dies Distance between torch electrode and base mental is too long Tungsten electrode is excessively worn Welding current for tungsten is too high compared with current suitable for the diameter of electrode Shielding gas flow is short or gas post flow time is short Shielding gas is not flowing TIG torch is connected to terminal N B ...

Page 25: ...22 14 Circuit diagram ...

Page 26: ...otentiometer RK11K114F25C0B204 1 VR10 Potentiometer Gas post flow timer RK11K114F25C0B104 1 VR11 Potentiometer Spot time adjustor RK11K114F25C0C104 1 C1 2 Electrolytic Capacitor MKP LS20UF800V 2 C4 Capacitor MKP C20UF350VDC 1 Th switch US 602KXTMQL 83 1 R9 Resistor SFW20A151 1 R5 6 Resistor RX274H40W5R0JW 2 Q1 2 IGBT SKM75GB12T4 2 D1 Diode MDS60 16W 1 D2 D3 Diode FRS300BA50 W 2 CO1 Torch switch so...

Page 27: ...24 SW7 Switch Gas SLE6A2 1 P1 Pc board Control TSMPA179 1 P2 Pc board Adjustor TSMP447 1 P3 Pc board Driver TSM9515 1 P4 Pc board HF generator TSM9494 1 ...

Page 28: ...25 16 Outline drawing ...

Page 29: ...OTICE Machine export to Europe This product does not meet the requirements specified in the EC Machinery Directive which is the EU safety ordinance that will be enforced starting on January 1 1995 Please bear in mind that this product may not be brought as is into the EU after January 1 1995 The same restriction also applies to any country which has signed the EEA accord Please be absolutely sure ...

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