Lincoln Electric V155-S Input Connections, Safety Precautions, Select Suitable Location, Tilting

Page 11

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A-3

INSTALLATION

A-3

Read entire installation section before starting

TILTING

 

Place the machine directly on a secure, level surface.

installation.

Do not place or operate this machine on a surface with

SAFETY PRECAUTIONS

an incline greater than 15° from horizontal. The

machine may topple over if this procedure is not fol-

 

WARNING

lowed.

 

 

ELECTRIC SHOCK can kill.

INPUT CONNECTIONS

 

form this installation.

 

 

 

 

 

WARNING

 

Only qualified personnel should per-

ELECTRIC SHOCK can kill.

 

• Disconnect input power by removing

 

plug from receptacle before working

 

 

 

 

• Have a qualified electrician install

 

inside INVERTEC® V155-S. Allow

 

 

 

 

and service this equipment.

 

machine to sit for 5 minutes mini-

 

 

 

 

Disconnect input power by removing

 

mum to allow the power capacitors

 

 

 

 

plug from receptacle before working

 

to discharge before working inside

 

 

 

 

inside INVERTEC® V155-S. Allow

 

this equipment.

 

 

 

 

machine to sit for 5 minutes minimum

Insulate yourself from the work and ground.

to allow the power capacitors to discharge before

wear dry insulating gloves.

working inside this equipment.

• Always connect the INVERTEC® V155-S to a power

• Do not touch electrically live parts.

-----------------------------------------------------------------------

supply grounded according to the National

Electrical Code and local codes.

 

 

 

 

 

GROUND CONNECTION

------------------------------------------------------------

 

 

 

 

The frame of the welder must be

 

 

 

 

grounded. A ground terminal marked

SELECT SUITABLE LOCATION

 

 

 

 

with the symbol is located on the under

 

 

 

 

 

 

 

 

panel for this purpose. See your local

 

 

 

 

This machine can operate in harsh environments.

 

 

 

 

and national electrical codes for proper

However, it is important that simple preventative mea-

 

 

 

 

grounding methods.

sures are followed to assure long life and reliable oper-

 

 

 

 

 

CAUTION

ation:

 

 

 

 

 

 

• Do not use this machine for pipe thawing.

A grounding conductor is supplied in the input

• This machine must be located where there is free cir-

cord, it is important that the supply receptacle

culation of clean air without restrictions for air move-

ground is connected.

ment

to and from the air vents. Do not cover the

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• Dirt and dust that can be drawn into the machine

 

 

 

 

 

WARNING

machine with paper, cloth or rags when switched on.

 

 

 

 

 

 

should be kept to a minimum.

This installation should be performed by a quali-

• This machine has a protection rating of IP23. Keep

it dry when possible and do not place it on wet

fied electrician to ensure correct connections of

ground or in puddles.

the leads to the plug spades.

• Locate the machine away from radio controlled

The electrical system must be made by skilled

machinery. Normal operation may adversely affect

the operation of nearby radio controlled machinery,

technicians with the specific professional and

which may result in injury or equipment damage.

technical qualifications and in compliance with

Read the section on electromagnetic compatibility in

the regulations in force in the country where the

this manual.

equipment is installed.

• Do not operate in areas with an ambient temperature

The welding power source supply cable is pro-

greater than 40°C.

vided with a green or yellow/green wire that must

STACKING

ALWAYS be earthed. This green or yellow/green

wire must NEVER be used with other voltage con-

The INVERTEC® V155-S cannot be stacked.

ductors.

 

 

 

• lnstall only plugs that confirm with safety regula-

 

 

tions.

 

INVERTEC® V155-S

Image 11
Contents Invertec V155-S Electric Magnetic Fields SafetyFor Engine Fumes and Gases Electric Shock can kill ARC Rays can burnIii For ElectricallyTransformateur ET À Précautions DE SûretéPrécautions DE Sûreté Pour LES Machines À Souder ÀElectromagnetic Compatibility EMC L10093 3-1-96H Master Table of Contents for ALL Sections Table of Contents Installation Section Operating Temperature Range Storage Temperature Range InstallationTilting Safety PrecautionsInput Connections Select Suitable LocationEngine Driven Generator Input Power Connection230V Input 120V InputStick Welding Smaw Output ConnectionsTIG Welding Replacement Quick Disconnect Plug for Stick Electrode Cable Table of Contents Operation Section Welding Capability Safety InstructionsTheory of Operation General DescriptionOFF FeaturesControls and Operational FunctionRear Control Panel Auto Adaptive ARC ForceWith Stick Welding Table of Contents Accessories Section Cable Plugs Compatible Equipment AccessoriesTable of Contents Maintenance Section Thermal Protection MaintenanceInput Filter Capacitor Discharge Procedure Routine MaintenanceFigure D.1 Major Component Locations Major Component LocationsInvertec V155-S 1TABLE of CONTENTS-THEORY of Operation Section E-1 Figure E.2 General Description Figure E.3 Input Board Input BoardFigure E.4 Main Inverter Board Main Inverter BoardFigure E.5 Control Board Control BoardFigure E.6 Igbt Operation Insulated Gate Bipolar Transistor Igbt OperationMaximum Output Pulse Width ModulationMinimum Output Sec 31 m/sec 33 m/secInvertec V155-S 1TABLE of Contents Troubleshooting & Repair F-1 HOW to USE Troubleshooting Guide Troubleshooting & RepairElectric Shock PC Board Troubleshooting ProceduresResistance Test Perform Inverter Board Voltage Test Machine has high welding Materials Needed 7TROUBLESHOOTING & REPAIRF-7Case Cover Removal Procedure Test DescriptionDisconnect power to the Invertec V155-S Procedure9TROUBLESHOOTING & REPAIRF-9 Input Filter Capacitor Discharge Procedure Figure F.4 Capacitor Discharge Locations 11TROUBLESHOOTING & REPAIRF-11Invertec V155-S Input Board Resistance Test 13TROUBLESHOOTING & REPAIRF-13DC+ Inverter Board Resistance Test 15TROUBLESHOOTING & REPAIRF-15Figure F.6 Inverter Board Test Points Inverter Board Resistance Test Invertec V155-S Input Board Voltage Test 19TROUBLESHOOTING & REPAIRF-19PWR 2white to PWR 1blue to PWR 4white to PWR 3blue to 20TROUBLESHOOTING & REPAIRF-20Figure F.9 Main Switch Plug Location 21TROUBLESHOOTING & REPAIRF-21Invertec V155-S Inverter Board Voltage Test 23TROUBLESHOOTING & REPAIRF-23Figure F.10 Plug JP1 Testpoints Input Board Removal and Replacement Procedure 25TROUBLESHOOTING & REPAIRF-25AC2 Inverter Board Removal and Replacement Procedure 27TROUBLESHOOTING & REPAIRF-27Perform the Case Cover Removal Procedure Figure F.13 Inverter Board Removal 29TROUBLESHOOTING & REPAIRF-29Invertec V155-S Control Board Removal and Replacement Procedure 31TROUBLESHOOTING & REPAIRF-31Figure F.14 Control Board Removal 32TROUBLESHOOTING & REPAIRF-32Recommended Meters for Machine Output Tests INPUT- Single Phase onlyRated Output OutputInvertec V155-S Table of Contents Diagram Section Electrical Diagrams Schematic Complete Machine Codes 11326 Electrical DiagramsAux Potenza Schematic Input PC BoardPC Board Assembly Input Board PTC Schematic Inverter PC Board Sheet #1FEED-FORWARD Schematic Inverter PC Board Sheet #2PC Board ASSEMBLY- Inverter Board Sheet # PC Board Assembly Inverter Board Sheet #2 U1A Schematic Control PC BoardSee Page 2 for more detailed component information PC Board Assembly Control Board page Sheet #1PC Board Assembly Control Board Sheet #2
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