SAK9,
We will be using inlet vane control. You suggestion of clamping the damper opening at a minimum percentage is noted and also reminds me of what some of our air compressors have. Thanks for the suggestion, this helps as lot.
Dear colleagues, we will be replacing two very old FDFs of one of our furnaces. These old FDFs are have discharge damper controls and are now undersized due to several debottlenecking and duty increase of the furnace. The new FDFs to be installed will have a capacity of 1600 acmm each at 511...