HPR260XD Field Service Bulletin 808270 7
HPR260XD Transformer Wiring
5. From the new wire group, use the two short wires to connect C4 to B1 and B4 to A1. Use one piece of 75 mm (1
inch) heatshrink tubing (104423) on each connection.
6. Use the long wire to connect C1 to A4. Use one piece of 75 mm (1 inch) heatshrink tubing (104423) on each
connection.
Figure 3
7. Use 6 of the remaining pieces of heatshrink tubing (104423) to insulate the secondary wire connections 1A, 2A, 1B,
2B, and 1C, 2C connections to the chopper. These connections are not shown in the illustration.
HPR260XD 400 – 415 V plasma systems with serial number 005468 or higher use the wiring shown in Figure 3.
Connect the new wire group as shown
New transformer
From main contactor
From main contactor
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