Dante,
I do not think I understand exactly what you need, but here is an example.
· The schedule for the PFP is normally ON at all times. Even though you specify ON, it will not operate unless the Air Loop of which it is a part is also operating. (Normally that is determined by the Air Loop fan availability schedule.)
· Typical (fan + motor) efficiency for the small fans used in a PFP is ~30-40% in my experience. If you use 35%, fan pressure rise should be 260 Pa. If you use 80%, 594 Pa (So, I think 740 Pa is too much.)
· You will need a Fan:ConstantVolume object and a Coil:Heating:Electric object for the PFP similar to what I have shown below.
· I show the “minimum volume” for primary flow as 30% in the example below. You must calculate the minimum outdoor air requirement for the zone independently to see if it is larger than 30%. If it is larger, then you must use that fraction instead of 30%.
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