Installation Section - Lincoln Electric NA-3 Service Manual

Section A
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section A
Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Box Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Welding Head Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Box to Welding Head Connections . . . . . . . . . . . . . . . . .
Power Supply to Control Box Connections . . . . . . . . . . . . . . . . .
NA-3N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NA-3S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NA-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Source Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . .
Figure A.7: Connection of NA-3 (All) to a SF-600 or SF-800,
Types "-O" or "-OF" and M.G. Solid State Field Control . . . . . .
Figure A.8: Connection of NA-3 (Set for Constant Current
Welding) to a SAF-600 or SA-800, Type "-F" and M.G.
Solid State Field Control
Figure A.9: Connection of NA-3 (All) to an SAN . . . . . . . . . . . .
Figure A.10: Connection of NA-3 (All) to a SAM Motor-Generator
or Engine Driven Welder
Figure A.11: Connection of NA-3 to R3S-400, 600, or 800 with
Line Voltage Compensator . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure A.12: Connection of NA-3 to R3S-400, 600, or 800 with
No Line Voltage Compensator
Figure A.13: Connection of NA-3 to Idealarc DC-400 and to
CV/CVI Power Sources
Figure A.14: Connection of NA-3 to Idealarc DC-1000 and
DC-1500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure A.15: Connection of NA-4 (Which Has Rheostat for
Current Control) to an AC-1000
Figure A.16: Connection of NA-4 (Which Has Rheostat for
Current Control) to an AC-1200
Figure A.17: Connection of NA-3 to SAF-600 "F" or SA-800
"F" and M.G. Solid State Field Control and K240 Contactor Kit .
Figure A.18: Connection of NA-3 to Idealarc DC-600
Figure A.19: Connection of NA-3 to Non-Lincoln Power Sources
TABLE OF CONTENTS

- INSTALLATION SECTION -

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NA-3 AND NA-4
Section A
A-2
A-4
A-4
A-4
A-5
A-6
A-6
A-6
A-7
A-7
A-8
A-8
A-9
A-10
A-11
A-12
A-13
A-14
A-15
A-16
A-17
A-18
A-19
A-20
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A-22