Lincoln Electric SP-175T manual Line Cord Connection, Electrical Input Connection for Rated Output

Page 13

A-6

INSTALLATION

A-6

Line Cord Connection

A 3 conductor line cord with a 50 amp, 250 volt, three- prong plug (NEMA Type 6-50P) is factory installed. Connect this plug to a mating grounded receptacle which is connected to an appropriate power supply per the U.S. National Electric Code and any applicable local codes.

 

 

 

Grounding

 

 

 

Type 75°C

Wire

Fuse

 

 

Wire in Conduit,

Copper

Size

Input

 

Copper Cond.

Cond.

(Super

Voltage

Hertz

AWG Size

AWG Size

Lag)

 

 

 

 

 

208/230

60

8

10

40

CONNECT TO A SYSTEM

GROUNDING WIRE. SEE

THE UNITED STATES

NATIONAL ELECTRICAL

CODE AND/OR LOCAL

CODES FOR OTHER

DETAILS AND MEANS FOR

PROPER GROUNDING.

CONNECT TO HOT WIRES

OF A THREE-WIRE SINGLE

PHASE SYSTEM OR TO

ONE PHASE OF A TWO OR

THREE PHASE SYSTEM.

WARNING

This welding machine must be connected to a power source in accordance with applicable elec- trical codes.

The National Electrical Code provides standards for amperage handling capability of supply con- ductors based on duty cycle of the welding source.

If there is any question about the installation meeting applicable electrical code requirements, consult a qualified electrician.

ELECTRICAL INPUT CONNECTION FOR RATED OUTPUT

WARNING

ELECTRIC SHOCK can kill.

• Disconnect input power by removing plug from receptacle before working inside SP-175T.

Use only grounded receptacle.

Do not touch electrically “hot” parts inside SP-175T.

Have qualified personnel do the maintenance and troubleshooting work.

230 Volt Input Connection

The SP-175T is shipped from the factory connected for 230 volt input power. If the welder has been recon- nected for 208 volt input power and 230 volt input is desired, perform the following reconnection instruc- tions:

1.Disconnect welder from input power and remove case side panel.

2.Remove lead marked “H3” from CR1 on the control P.C. Board.

3.Remove tape securing H1 to lead sleeving and connect H1 to CR1.

4.Insulate unused H3 lead for 300 volts with electri- cal tape and secure to lead sleeving.

5.Reinstall case side before connecting input power.

208 Volt Input Connection

1.Disconnect welder from input power and remove case side.

2.Remove lead marked “H1” from CR1 on the control P.C. Board.

3.Remove tape securing H3 to lead sleeving and connect H3 to CR1.

4.Insulate unused H1 lead for 300V with electrical tape and secure to lead sleeving.

5.Reinstall case side before connecting input power.

SP-175T

Image 13
Contents SP-175T Safety Depends on YouCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéOn-Line Product Registration Please Examine Carton and Equipment For Damage ImmediatelyTable of Contents Technical Specifications SP-175T InstallationIdentify and Locate Components Safety PrecautionsSelect Suitable Location Work Clamp InstallationOutput Connections StackingWork Cable Installation GUN InstallationConnecting Gun Cable to the SP-175T GAS ConnectionFigure A.5 Input ConnectionsElectrical Input Connection for Rated Output Line Cord ConnectionVolt Input Connection Design Features Advantages Saftey PrecautionsOperation General DescriptionWelding Capability Controls and SettingsLimitations Welding Operations Wire LoadingSequence of Operation Wire Threading Friction Brake AdjustmentSP-175T Now ready to weld Process Guidelines Cleaning Tip And NozzleMaking a Weld Overload Protection Changing Machine Over to Feed Other Wire SizesWelding with Gmaw MIG Application Chart Optional Accessories AccessoriesK586-1 Deluxe Adjustable Gas Regulator & Hose Kit K549-1 .035 0.9 mm Innershield Welding KitInnershield Fcaw Conversion Replacement PartsMaintenance Safety Precautions MaintenanceRoutine Maintenance Configuration of Components in Wire Feeding System GUN and Cable MaintenanceFor Magnum 100L GUN Contact Tip Cable Liner Drive RollChanging the Contact TIP Component Replacement ProceduresGUN Handle Parts Changing LinerLiner trim length HOW to USE Troubleshooting Guide TroubleshootingRecommended Course of Action Problems Possible Symptoms CauseGAS Flow Problems Welding Problems SP-175T Wiring Diagram Wiring DiagramsSP-175T SP-175T Ground SP-170TWarnung