Lincoln Electric V205-T service manual 230V Input, 115V Input, Attachment Plug Installation

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A-5

INSTALLATION

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230V INPUT

The equipment is provided with a 230/115V cable, 6.6ft.(2m) in length with a 230V 6-50P attachment plug.

The Invertec V205-T AC/DC performs best when con- nected to 230VAC inputs. This input allows full output of the machine (200 amps).

115V INPUT

A suitable 115V attachment plug must be installed on the power cord to use the V205-T AC/DC with a 115V input supply. The rated output of the V205-T AC/DC is available when connected to a 30A branch circuit. When connected to a branch circuit with lower amp rating, lower welding current and duty cycle must be used. An output guide is provided below. The values are approximate and must be adjusted downward if the fuse or circuit breaker trips off. Other loads on the circuit and fuse/circuit breaker charac- teristics will affect the available output. Do not exceed these welding conditions:

15A branch circuit

10% duty cycle Stick: 75A TIG: 105A

20A branch circuit

10% duty cycle Stick: 90A TIG: 130A

ATTACHMENT PLUG INSTALLATION

Connect the white (neutral) wire under terminal clamp with silver screw, and black (hot) wire under terminal clamp with brass screw. Connect green wire under ter- minal clamp with green screw.

WARNING

Failure to wire as instructed may cause personal injury or damage to equipment. To be installed or checked by an electrician or qualified person only.

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In all cases, the green or green/yellow grounding wire must be connected to the grounding pin of the plug, usu- ally identified by a green screw.

Attachment plugs must comply with the Standard for Attachment Plugs and Receptacles, UL498.

The product is considered acceptable for use only when an attachment plug as specified is properly attached to the supply cord.

For use on engine drives, keep in mind the above input draw restrictions and the following precaution.

ENGINE DRIVEN GENERATOR

The Invertec V205-T AC/DC can be operated on engine driven generators as long as the 230 volt auxil- iary meets the following conditions:

The AC waveform peak voltage is below 400 volts.

The AC waveform frequency is between 45 and 65Hz.

The following Lincoln engine drives meet these condi- tions when run in the high idle mode:

Ranger 250,305

Commander 300, 400, & 500

Some engine drives do not meet these conditions (e.g. Miller Bobcats, etc). Operation of the Invertec V205-T AC/DC is not recommended on engine drives not con- forming to these conditions. Such drives may deliver unacceptably high voltage levels to the Invertec V205- T AC/DC power source.

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V205-T AC/DC

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Contents Invertec V205-T AC/DC Safety Electric Shock can kill Cylinder may explode if damaged Sûreté Pour Soudage a L’Arc Précautions DE SûretéMaster Table of Contents for ALL Sections Table of Contents Installation Section Operating Temperature Range Storage Temperature Range InstallationEnvironmental Area Select Suitable LocationStacking TiltingInput Connections Reconnect ProcedureEngine Driven Generator Attachment Plug Installation230V Input 115V InputWork Cable Connection Output Connection for StickOutput and GAS Connection for TIG Welding Figure A.1 Shielding GAS Connection Remote Control ConnectionV205-T AC/DC Table of Contents Operation Section Limitations Safety InstructionsGeneral Description Welding CapabilityFigure B.1 Rear Control Panel Figure B.1Figure B.2 Controls and SettingsLocal/Remote push button Selects the welding Step DiagramTIG DC TIG AC Indicator Parameter Default SET UP MenuWelding Polarity Output LimitationsFigure B.5 Filler Material Steel TIG WeldingCopper TIG Welding Tips for AC TIG WeldingProtective GAS AC TIG Welding Quick Start UPDC TIG Welding Quick Start UP Accessories Table of ContentsTIG Torch Kits Optional AccessoriesCompatible Equipment Cable PlugsTable of Contents Maintenance Routine Maintenance Safety PrecautionsInput Filter Capacitor Discharge Procedure Table of Contents Theory of Operation Section Input Board and BUS Board Theory of OperationGeneral Description Figure E.3 Main Igbt Inverter Board Main Igbt Inverter BoardSuperimposition Board Main TransformerOutput Module Transistor Board Output Module and Clamping BoardOutput Filter Board CONTROL/DISPLAY Board High Frequency HF BoardFigure E.6 Igbt Insulated Gate Bipolar Transistor Igbt OperationTable of Contents Troubleshooting & Repair Section HOW to USE Troubleshooting Guide Troubleshooting & RepairElectric Shock can kill PC Board Troubleshooting ProceduresOutput Problems Function Problems Function Problems Secondary Power Board Test Welding Problems Figure F.1 External Diagnostics Troubleshooting & Repair External DiagnosticsFigure F.2 Troubleshooting & Repair Internal DiagnosticsLED Internal DiagnosticsV205-T AC/DC Description Input Filter Capacitor Discharge ProcedureDischarge Procedure Input Filter Capacitor Discharge ProcedureInput Filter Board Test Input Filter Board Figure F.5 Input Filter Board V205-T AC/DC Main Igbt Inverter Board LOW Voltage Test Main Board Table F.1 Test Points LEDFigure F.7 Main Igbt Inverter Board Location TP2 MF2CONTROL/DISPLAY Board Test Control/Display Board Figure F.9 CONTROL/DISPLAY Board Location CN2 CN7 CN1Table F.4 Plug CN7 Test Points CN1Table F.2 Plug CN1 Test Points Table F.3 Plug CN2 Test PointsBUS Board Test BUS Board Table F.8 Plug CN7 Test Points Table F.5 Plug CN2 Test PointsTable F.6 Plug CN3 Test Points Table F.7 Plug CN4 Test PointsCN4 CN2Main Inverter Board Upfr Section Test Table F.10 Voltage Checks with 115 VAC Applied to Machine Figure F.14 Upfr Location on Main BoardDD1 MF9 TP9 Gndpwr RL1V205-T AC/DC Output Filter Board Test Troubleshooting and RepairOutput Filter Board Figure F.18 Output Filter Board Plug CN1 Figure F.17 Output Filter Board Plug LocationV205-T AC/DC Secondary Power Board Test Secondary Power Board Table F.13 Voltage Checks with 115 VAC Applied to Machine Figure F.20 Secondary Power Board Test Point LocationsV205-T AC/DC Main Inverter Board Welding Logic and Inverter Section Test Figure F.21 Main Board Location Main Inverter BoardTable F.16 Voltage Checks with 115 VAC Applied to Machine Table F.15 Feedback Voltage SignalsTable F.17 LED Check in Stick Mode Table F.14 LED FunctionsTP14 TP15 TP16 TP19 TP31 CN4/1-2 Short Circuit Ohms CN5/1-2 MF15 VDS MF12 MF16 VDS Figure F.23 Main Board Lower Left TP9 Ground PowerV205-T AC/DC Input Filter Board Removal and Replacement Input Filter Board Removal and Replacement RV1 V205-T AC/DC Main Igbt Board Removal and Replacement Main Igbt Board Removal & Replacement CN2 CN1 V205-T AC/DC CONTROL/DISPLAY Board Removal and Replacement CONTROL/DISPLAY Board Removal & Replacement CN3 CN7V205-T AC/DC Output Filter Board Removal and Replacement Removal and Replacement Casefront Mounting Screws Phillips Head Screws CN1 CN2 Output Diodes Removal and Replacement Figure F.35 Output Diode Location Output DiodesOutput Transistor Removal and Replacement Output Transistor Removal and Replacement Plug CN1 5mm V205-T AC/DC Table of Contents Electrical Diagrams Section Electrical DiagramsWiring Diagram V205-T AC/DC Standard Diagram SVM Error Reporting Form