R-Tech MTS 255HF Operation Instructions Manual Download Page 20 | Manualshive

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adjustment to suit your welding style / requirements. Select MIG voltage (MIG volts LED lit) an adjust voltage to suit. See Page
24 for more information.

More wire / Less voltage = Dip transfer
Less wire / More voltage = Spray transfer

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Summary of Contents for MTS 255HF

Page 1: ...www r techwelding co uk email sales r techwelding co uk Tel 01452 733933 Fax 01452 733939 MTS 255HF MIG TIG MMA WELDING MACHINE OPERATION INSTRUCTIONS Version 2020 10...

Page 2: ...2...

Page 3: ...at rear of machine Product MTS255 HF Serial No Date of Purchase Where Purchased Whenever you request replacement parts or information on this equipment please always supply the information you have re...

Page 4: ...aximum amps 40 C Recommended Processes The R Tech is recommended for the MIG welding processes within its output capacity of 250 Amps DC Equipment Limitations The R Tech POWER MTS255 HF is protected f...

Page 5: ...hould perform this installation Turn off input power at the fuse box before working on this equipment Do not touch electrically live parts Always connect the machine to an earthed main supply as per n...

Page 6: ...high frequency generator is like a radio transmitter and may cause interference to radio TV and other electronic equipment These problems may be the result of radiated interference Proper grounding m...

Page 7: ...x before working on this equipment Have a qualified electrician install service this equipment Allow machine to sit for 5 minutes minimum to allow the power capacitors to discharge before working insi...

Page 8: ...dicating meter on the front panel indicates the actual welding current during the welding indicates the wire speed during no welding Display 2 Amps Meters Per Minute 3 Power On indicator This will lig...

Page 9: ...hown memory number the save LED will light once saved 14 MMA STICK parameters Press to select function required this will be shown in display 1 and can be adjusted with knob 18 ARC Force This controls...

Page 10: ...s needed to weld at the selected wire speed 17 Wire Diameter Selector Select your wire diameter according of the type wire you are using Selecting the correct wire diameter is critical to optimum Syne...

Page 11: ...ig2 1 Mains input cable 240V AC input Fit the required plug as per your electrical installation 2 On Off Switch 3 Fuse Holder 5A fuse for wire speed motor 4 Gas input connector Connect input gas hose...

Page 12: ...sting until tight and the earth clamp to work bench 4 Torch switch Foot pedal socket Connect TIG torch control plug or Remote Foot Pedal plug 5 Negative power connector Connect TIG Torch Dinse to powe...

Page 13: ...SMAW Welding 1 Gas outlet NOT used in MMA mode 2 MIG Torch Euro Connector NOT used in MMA mode 3 Positive power outlet Connect electrode holder lead 4 Remote connection NOT used in MMA mode 5 Negative...

Page 14: ...G Torch When using Spool Gun for aluminium welding connect torch here and 7 pin plug to socket 4 3 Positive Not normally used unless using gasless wire reverse polarity 4 Remote connection NOT used in...

Page 15: ...haft 6 Thread straightened welding wire over grooves in lower drive roll fully through until it begins to start threading into the gun section Lower upper drive rolls onto lower drive roll keeping wir...

Page 16: ...orch Gasless welding is positive earth and negative wire torch 1 Gas type wire Connect as per diagram above A is power outlet B is to torch Fit earth lead to negative connector on front of machine 2 G...

Page 17: ...dangerous Keep your head out of fumes gases produced from welding Use ventilation or exhaust to remove fumes gases from breathing zone and general area WARNING WELDING SPARKS can cause fire or explos...

Page 18: ...y 2 MIG volts adjust with control knob No 18 front panel and speed will be shown in display 1 Post flow gas For most MIG welding along post flow gas is not required MIG burn back This is time power ga...

Page 19: ...adjust with control knob No 18 front panel and speed will be shown in display 1 In synergic mode when you adjust voltage the wire feed speed will automatically adjust Post flow gas For most MIG weldi...

Page 20: ...t to suit your welding style requirements Select MIG voltage MIG volts LED lit an adjust voltage to suit See Page 24 for more information More wire Less voltage Dip transfer Less wire More voltage Spr...

Page 21: ...panel and speed will be shown in display 2 MIG volts adjust with control knob No 18 front panel and speed will be shown in display 1 Post flow gas For most MIG welding along post flow gas is not requ...

Page 22: ...s No 9 10 front panel to select any parameters you wish to change then use the control knob to adjust as required No 18 front panel The relative LED will light up on selected parameter and settings wi...

Page 23: ...eter and settings will show in display 1 2 Pre Flow Gas time Normally set low for stainless steel this can be raised to purge before welding Up Slope time Not used in foot pedal mode Main welding ampe...

Page 24: ...to when electrode is held close away from workpiece Arc force automatically adjusts by changing the volts amps to maintain a stable arc HOT Start For controlling the extra amps when the arc is first...

Page 25: ...3 Select the wire diameter of the wire being used 4 Select the filler wire type Steel Al Aluminum SS StainlessSteel 5 Select 2T or 4T function 2T is simply press and hold the torch trigger to start an...

Page 26: ...e repair should only be performed by R Tech welding trained personnel Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate y...

Page 27: ...IGBT broken 2 Output diode broken 3 Drive plate broken 4 Control plate broken 5 Over current welding Contact R Tech 5 Wire feeder not working welding current not adjustable 1 The fuse broken 2 Potent...

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