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I don't have any experience on E480 voltage conversion, however, based on previous experience, brown & red wires are 100v windings, and orange & yellow are 120v windings. You need to trace the circuit to connect jumpers for orange & yellow wires and disconnect jumpers for brown & red wires.
From the picture, seem like j1, j2 & j3 are jumper for soft-start resistors circuity. Connect j2 and disconnect j1, j3 for 240v main. No change required for 100v and 120v main.