The control system element 3 further comprising a timer element for adjusting at least one of said adjustable speed and airflow parameters of said motor after {HEAD ~ a preprogrammed period} of {TAIL ~ time} 
The control system element 3 further comprising a timer element for adjusting at least one of said adjustable speed and airflow parameters of said motor after { HEAD ~ a preprogrammed period } of { TAIL ~ time }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL