I have an existing 4000-cfm belt-driven process roof exhaust fan with a 3/4-hp electric motor. I am considering to install a VFD to control the spped of this motor.
Will this cause an undue hardship opn the motor?
At a facility, where all rooms are required to be maintained at varying negative pressures, I need to come up with a ventilation system design to confine contamination and to control room temperatures. This is a push-pull cascade airflow system; i.e., building supply fan delivers 100% outside...
My company has been using the Trane Trace 700 load and the Energy Analysis programs for HVAC work. A recent client asked us if these two programs have been verified and validated (VV). I would appreciate knowing if anyone has done VV on these programs.
