Herman, Stephen L  <br/><br/>
Electricity and controls for HVAC/R / Stephen L. Herman, Bennie L. Sparkman. 

 - 5th ed.. 
 - Clifton Park  Thomson Delmar Learning  2006. 
 - vii, 545p.  ill.  24cm 
<br/><br/> Includes index p.535 - 545 
<br/><br/><label>ISBN: </label>1401895131  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air conditioning--Control<br/>Air conditioning--Electric equipment<br/>Heating--Control<br/>Ventilation--Control
<br/><br/><label>Dewey Class. No.: </label>697 HER 2006