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| INSTALLATION |
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1. Connect the terminal marked |
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| Recommended Cable Sizes for Combined Lengths of |
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| nect panel) to an earth ground. |
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| Copper Work and Electrode Cables using 75o C Wire: |
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2. Connect the input leads to terminals marked L1 (U) |
| Machine Rating |
| 0 to 100 Ft. |
| 101 to 200 Ft |
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| 201 to 250 Ft |
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| and L2 (V) on the reconnect panel. Use a single |
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| 275A/40% |
| #1 (42.4 mm2) |
| 1/0 (53.5 mm2) |
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| 2/0 (67.4 mm2) |
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| phase line or one phase of a two or three phase line. |
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3. On multiple input voltage welders, be sure the |
| WORK CABLE CONNECTION |
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| reconnect panel is connected for the voltage being |
| included with the Precision TIG Welding Package model. |
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| supplied to the welder. |
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| CAUTION |
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| A 15ʼ (2/0) weld cable with clamp is available |
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| Otherwise, it is user provided. |
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Failure to follow these instructions can cause |
| With power source off, connect a separate work cable |
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| to the |
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immediate failure of components within the welder. |
| secure a tight connection with the flange nut provided. |
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| The work cable should be routed through the cable |
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Welders are shipped connected for the highest input |
| strain relief hole provided in the base directly below the |
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| welding output terminal. |
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voltage as listed on the rating plate. To change this |
| Note: If the Precision TIG is equipped with an Under- |
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connection, designations on the reconnect panel LOW, |
| Cooler or |
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MID, and HIGH correspond to the name plated input |
| and clamp, or excess work cable length, may be con- |
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voltages of a triple voltage welder. Dual voltage |
| veniently stored in the drawer while remaining con- |
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welders use only LOW and HIGH. |
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| nected. |
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EXAMPLE: On a 208/230/460 volt welder, LOW is |
| STICK ELECTRODE CABLE CONNECTION |
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208V, MID is 230V, and HIGH is 460V. |
| If manual stick welding is desired, with power source |
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NOTE: Export model has a voltage range for LOW and |
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| MID connections: LOW is |
| off, connect a stick electrode cable to the |
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| 400V and high is 415V. |
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| threaded "STICK Electrode" stud of the welder, and |
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| secure a tight connection with the flange nut provided. |
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Reconnect the jumper strap to the terminal stud corre- |
| The electrode cable should be routed through the |
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| cable strain relief hole provided in the base directly |
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sponding to the input voltage level used. Make sure all |
| below the welding output terminal. |
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| connections are tight.WARNING |
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| WARNING |
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O | UTPUT CABLES, CONNECTIONS AN | D |
| DISCONNECT STICK | ELECTRODE | WELDING |
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LIMITATIONS |
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| CABLE WHEN TIG WELDING. |
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• To avoid being startled by a high frequency |
| EVEN THOUGH |
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shock, keep the TIG torch and cables in good |
| PRECISION TIG STICK TERMINAL, IT WILL BE |
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condition |
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| ELECTRICALLY "HOT" TO WORK WHEN TIG |
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• Turn the power switch of the power source OFF |
| WELDING. |
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before installing adapters on cable or when con- |
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necting or disconnecting adapter plugs to power |
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source. |
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Refer to Figure A.2 for the location of the WORK and STICK terminals, as well as the TIG Torch connection panel.
PRECISION TIG 275
