You would probably want to isolate the ASD in the bypass mode. The ASD would most likely require a different fuse than the FVNR starter. Multilin on the bypass and the ASD's usually have a protective module in teh software that provide a tailored protection that a Multilin would have difficulty accomplishing on a varied frequency line. If you have RTD's and you want them to be used in both protective mode, further tinkering is required.
Thank you for the reply.
First off, I am not designing this -- this is what's on the drawing I saw and I am just trying to understand if I am missing something which seems to be the case.
They show the VFD and the bypass contactor coming off the same node from the fused LBS. And correct me if I am wrong, but this is drawn incorrectly, eh?
The two ways to do it possibly do this is:
1) (2) Fused LBS (more than likely motorized than manual) --- (1) for the VFD and (1) for the bypass
2) (1) Fused LBS going to the VFD which contains (2) contactors --- (1) for the VFD and (1) for the bypass.