VFD wiring question

I was under the impression that the one I bought was a linear pot. I got it from macmaster carr. Part # 7436K37. I called Radio Shack locally, but it sounded like the one they had wasn't the kind I wanted. In any case, it works, and if I decide I can't live with it I can address it later. Thanks

Chuck
 
Just saw your post and realised that I have a similar vfd with an external pot added. Reckon I had a similar experience with the pot when I first installed it till I realised there is a jumper block at the end of the control circuit connector that must be moved to use an external pot properly (at all?) Page 10 of my manual if you have the same one

Dave
 
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