The Multicolr Edition Has Been thoroughly revised and brought up-to-date.Multicolor pictures have been added to enhance the content value and to give the students and idea of what he will be dealing in relity, and to bridge the gap between theory and Practice.Electric defrosting method. 2. Pressure control defrosting method, 4. Water defrosting method, 6. Simple hot gas defrosting method, 8. ... Manual. Defrosting. Method. It is the earliest and simplest method of defrosting. In this method, either the compressor is stopped or the refrigerant to the evaporator ( in large installations) is closed until the accumulated frost or ice is melted. ... The control is set in such a way as to permit the coil to warm up to 0Ad C, and defrost before it starts again.
|Title||:||A Textbook of Refrigeration and Air Conditioning|
|Author||:||R. S. Khurmi, J. K. Gupta|
|Publisher||:||S. Chand - 2006-12-01|