Page 2–14
DuRApulse GS4 AC Drive User Manual – 1st Ed, Rev A - 10/20/2017
Chapter 2: Installation and Wiring
CirCUit COnneCtiOns – rfi JUMPer
RFI Jumper: The GS4 drive may emit electrical noise. The RFI jumper, when left in place, enables
an internal filter to supress radio frequency interference on the power line.
rfi jumper removal
The RFI jumper may need to be removed in some cases, such as situations in which the GS4 drive
is powered from an Asymmetric Ground System (Corner Grounded TN System), as described on
page 2–16.
frames a~C
Screw Torque: 8~10 kg·cm [6.9~8.7 lb·in]
Loosen the screw indicated in the view below, and remove the RFI jumper. Tighten the screw to
the specified torque after the RFI jumper is removed.
frames d0~g
Remove the MOV-PLATE by hand; no screws need to be loosened.
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