Electricity for refrigeration, heating and air conditioning  control systems: circuitry  [video recording] : 

 - Clifton Park, NY:  Thomson/Delmar Learning,  2003 
 - 1 video cassette (VHS) (16 min. 51 sec.): sd., col.;  1 cm.;  1 instructor's guide 
 - Electricity for refrigeration, heating and air conditioning; set 3 (4) .
<br/><br/> VID 015 
<br/><br/><label>ISBN: </label>1401817173 (videocassette) 1401817130 (set) 140181705X (Instructor's guide) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Control theory