Lincoln Electric Invertec V155-S Service Manual
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Lincoln Electric Invertec V155-S Service Manual

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RETURN TO MAIN MENU
INVERTEC
V155-S
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However, your
overall safety can be increased by
proper installation ... and thought-
ful operation on your part. DO
NOT INST LL, OPER TE OR
REP IR
THIS
EQUIPMENT
WITHOUT RE DING THIS M N-
U L
ND THE S FETY PRE-
C UTIONS
CONT INED
THROUGHOUT.
nd,
most
importantly, think before you act
and be careful.

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Summary of Contents for Lincoln Electric Invertec V155-S

  • Page 1 RETURN TO MAIN MENU INVERTEC V155-S Safety Depends on You Lincoln arc welding and cutting equipment is designed and built with safety in mind. However, your overall safety can be increased by proper installation ... and thought- ful operation on your part. DO...
  • Page 8 RETURN TO MAIN MENU...
  • Page 14 BOOT WELDING CABLE .75 in. TRIM, IF REQ'D 19 mm TO FIT OVER CABLE WELDING CABLE .25 in. 6 mm COPPER FERRULE WELDING CABLE .50 in. max 12 mm max. SET SCREW BRASS PLUG COPPER TUBE...
  • Page 28 IGBT Operation Pulse Width Modulation...
  • Page 30 GATE SOURCE BODY REGION DRAIN DRIFT REGION BUFFER LAYER INJECTING LAYER DRAIN A. PASSIVE POSITIVE VOLTAGE APPLIED GATE SOURCE BODY REGION DRAIN DRIFT REGION BUFFER LAYER INJECTING LAYER DRAIN B. ACTIVE...
  • Page 31 MINIMUM OUTPUT m/sec m/sec MAXIMUM OUTPUT m/sec m/sec...
  • Page 36 Input Board Resistance Test Inverter Board Resistance Test Input Board Voltage Test. Inverter Board Voltage Test Input Board Resistance Input Board Voltage Tests...
  • Page 37 Inverter Board Voltage Test...
  • Page 40 Five Screws Three Screws Ground Input Capacitor Discharge Procedure steps 3 thru 7.
  • Page 42 CAPACITOR TERMINALS (4 places) INSULATED PLIERS INSULATED GLOVES RESISTOR...
  • Page 43 INVERTER BOARD Black igures .3...
  • Page 46 –...
  • Page 48 Collector Gate Channel A INVERTER BOARD Collector Emitter Channel B IGBT Emitter Channel A IGBT Gate channel B...
  • Page 49 Output Collector Terminals Channel A INVERTER BOARD Point 1 (center leg) R24 = PTC Point 2 (solder pad) Collector Channel B Black...
  • Page 52 PIN 14 PIN 12 PIN 8 PIN 4 PIN 3 PIN 1 PIN 2 INPUT BOARD igure .9.
  • Page 53 White from PWR 2 White from PWR4 Blue from PWR 3 Blue from PWR 1...
  • Page 56 PIN 1 PIN 2 INPUT BOARD...
  • Page 58 INPUT BOARD MOUNTING SCREWS...
  • Page 60 Five Screws Three Screws Ground igure .9.
  • Page 61 10MM BOLTS OUTPUT TERMINALS...
  • Page 64 WASHER KNOB RED CAP Input Board Removal Procedure. Inverter Board Removal Procedure MOUNTING SCREWS CONTROL BOARD...
  • Page 68 This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.
  • Page 69 control output them turning on full with Power Up – – windings de-energizedfor a 230Vac This diagram is for reference only. It may not be accurate for all machines covered by this manual.
  • Page 70 1st emis. date: 1st emis. date: This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not to be This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not to be This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not to be...
  • Page 71 Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician.
  • Page 72 N.M. PASSIVEn This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not...
  • Page 73 Friday, January 31, 2003 Friday, January 31, 2003 This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not...
  • Page 74 Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician.
  • Page 75 Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician.
  • Page 76 W ednesday, February 18, 2004 W ednesday, February 18, 2004 This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not to be This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not to be This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l.
  • Page 77 Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician.
  • Page 78 Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician.

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