Thanks for such good feedback with little information. I am surprise you guess the manufacturer of the VFD’s. Have you used Emerson VFD’s before? Do you have any bad experiences with them?
I spoke to a nearby hotel management and they indeed have a substantial amount of VFD’s failures, but...
Response: Two of the damaged VFD’s were send to factory for an analysis. The report received from factory concluded: “Unit was being used in an unprotected environment causing corrosion on the power BD. The corrosion led to arcing between traces causing the input bridge rectifier to open. Unit...
I am the Owner rep. that recently inaugurated an ocean front resort in the Caribbean. The resort has a mechanical building that has two chillers, heat exchange system and three boilers to supply chilled and hot water to 21 buildings. On that same building we have ten Variable Frequency Drives...
