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