TOC

TOC

A-9

A-9

INSTALLATION

OUTPUT CONNECTIONS (STICK, TIG, AIR/CARBON ARC CUTTING)

The output (welding) cables are connected to the out- put terminals marked “+” and “-”. See Table A.1 for recommended cable sizes for the combined lengths of electrode and work cables. The output terminals are located at the lower right and lower left corners of the front panel. Strain relief for the cables is provided by routing them through the rectangular holes in the base before connecting them to the output terminals. See Figure A.4.

NOTE: If the welder comes equipped with the polarity switch option, the output terminals are labeled “electrode” and “to work.”

WARNING

The output terminals are energized at all times.

Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

FIGURE A.4 - OUTPUT TERMINAL CONNECTIONS

1

3

2

1. NEGATIVE (-) WELDING CABLE CONNECTION

2. POSITIVE (+) WELDING CABLE CONNECTION

3. CABLE STRAIN RELIEF HOLES

TABLE A.1 - CABLE SIZES FOR COMBINED LENGTHS OF COPPER ELECTRODE

AND WORK CABLES

 

Up to 100 ft

100 - 150 ft

150 - 200 ft

200 - 250 ft

Machine Size

(30 m)

(30 - 46 m)

(46 - 61 m)

(67 - 76 m)

300 Amp

1/0

1/0

2/0

3/0

(60% Duty

54 mm2

54 mm2

68 mm2

86 mm2

Cycle)

 

 

 

 

400 Amp

2/0

2/0

3/0

4/0

(60% Duty

68 mm2

68 mm2

86 mm2

108 mm2

Cycle)

 

 

 

 

500 Amp

2/0

3/0

3/0

4/0

(60% Duty

68 mm2

86 mm2

86 mm2

108 mm2

Cycle)

 

 

 

 

 

 

 

 

 

 

 

IDEALARC R3R

 

 

Page 15
Image 15
Lincoln Electric R3R-500, R3R-300 service manual Output Connections STICK, TIG, AIR/CARBON ARC Cutting, Return to Section