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INSTALLATION | ||
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SAFETY PRECAUTIONS | The | |
| outdoor use. |
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WARNING
The handle of the
ELECTRIC SHOCK CAN KILL. |
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• Turn the input power OFF at the | When suspending a wire feeder, insulate the | |
disconnect switch or fuse box | ||
hanging device from the wire feeder enclosure. | ||
before attempting to connect or | ||
HIGH FREQUENCY PROTECTION | ||
disconnect input power lines, out- | ||
put cables or control cables. |
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• Only qualified personnel should | CAUTION | |
perform this installation. | ||
• Do not touch metal portions of the |
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work clip when the welding power source is on. | Locate the | |
• Do not attach the work clip to the wire feeder. | ||
machinery. The normal operation of the | ||
• Connect the work clip directly to the work, as | ||
PRO may adversely affect the operation of RF con- | ||
close as possible to the welding arc. | ||
trolled equipment, which may result in bodily injury | ||
• Turn power off at the welding power source | ||
or damage to the equipment. | ||
before disconnecting the work clip from the | ||
work. | ||
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• Only use on power sources with open circuit | WELD CABLE SIzE | |
voltages less than 110 VDC. |
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LOCATION
For best wire feeding performance, place the LN- 25™ PRO on a stable and dry surface. Keep the wire feeder in a vertical position. Do not operate the wire feeder on an angled surface of more than 15 degrees.
Table A.1 Located below are copper cable sizes rec- ommended for various currents and duty cycles. Lengths stipulated are the distance from the welder to work and back to the welder again. Cable sizes are increased for greater lengths primarily for the purpose of minimizing voltage drop in the cables.
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Do not submerge the
TABLE A.1
RECOMMENDED CABLE SIzES (RUBBER COVERED COPPER - RATED 167°F or 75°C)**
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| CABLE SIZES FOR COMBINED LENGTHS OF ELECTRODE AND WORK CABLES | ||||
AMPERES | PERCENT |
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| DUTY | 0 to 50Ft. | 50 to 100Ft. | 100 to 150 Ft. | 150 to 200 Ft. | 200 to 250 Ft. |
| CYCLE | (0 to15m) | (15 to 30m) | (30 to 46m) | (46 to 61m) | (61 to 76m) |
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200 | 60 | 2 | 2 | 2 | 1 | 1/0 |
200 | 100 | 2 | 2 | 2 | 1 | 1/0 |
225 | 20 | 4 or 5 | 3 | 2 | 1 | 1/0 |
225 | 40 & 30 | 3 | 3 | 2 | 1 | 1/0 |
250 | 30 | 3 | 3 | 2 | 1 | 1/0 |
250 | 40 | 2 | 2 | 1 | 1 | 1/0 |
250 | 60 | 1 | 1 | 1 | 1 | 1/0 |
250 | 100 | 1 | 1 | 1 | 1 | 1/0 |
300 | 60 | 1 | 1 | 1 | 1/0 | 2/0 |
325 | 100 | 2/0 | 2/0 | 2/0 | 2/0 | 3/0 |
350 | 60 | 1/0 | 1/0 | 2/0 | 2/0 | 3/0 |
400 | 60 | 2/0 | 2/0 | 2/0 | 3/0 | 4/0 |
400 | 100 | 3/0 | 3/0 | 3/0 | 3/0 | 4/0 |
500 | 60 | 2/0 | 2/0 | 3/0 | 3/0 | 4/0 |
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**Tabled values are for operation at ambient temperatures of 104°F(40°C) and below. Applications above 104°F(40°C) may require cables larger than recommended, or cables rated higher than 167°F(75°C).