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Originally Posted by Rick TYler
After putting Victors on a meter, we've found that they center at about 132 instead of 127. Move your center-logic to 132 and your PD solution may work better. It sure helped ours. (Kevin Watson's PID code from 2005 uses 132 as its center point, by the way.) I'm assuming that your NEUTRAL is currently set to 127. If it isn't, you can just forget I said anything.
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Wow. I've been going from the official IFI documentation which says the Victor deadband is 117-137. I never gave it a second thought. But that would
perfectly explain the asymmetric PID response I wrestled with a week ago.
I will take a few minutes on Monday to characterize our Victors and see if they show the same center as yours. It'll definitely make a difference if the true neutral really is 132.