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 United States National Electrical Code (Article 630-B, 1990 Edition) provides standards for amperage handling capability of supply conduc- tors 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-175 Plus.

Use only grounded receptacle.

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

Have qualified personnel do the main- tenance and troubleshooting work.

230 Volt Input Connection

The SP-175 Plus is shipped from the factory connect- ed for 230 volt input power. If the welder has been reconnected for 208 volt input power and 230 volt input is desired, perform the following reconnection instructions:

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

2.Remove lead marked “H3” from H1 terminal on the control P.C. Board.

3.Remove tape securing H1 lead to lead sleeving and connect H1 lead to H1 terminal on the board.

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 H1 terminal on the control P.C. Board.

3.Remove tape securing H3 lead to lead sleeving and connect H3 lead to H1 terminal on the board.

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

5.Reinstall case side before connecting input power.

SP-175 PLUS

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Lincoln Electric IM610-A manual Line Cord Connection, Electrical Input Connection for Rated Output, Volt Input Connection