National Instructional Media Institute (NIMI) creator text xxu Chennai National Instructional Media Institute (NIMI) 2010,c2007 monographic eng

print

131 Contents : 1.Practical -Identify common basic refrigeration tools,cut and bend soft copper tubing -Swage and make a braze joint ,flare connections and pinching -Identify the electrical components Refrigerators -Check the electrical wiring of Refrigerators -Make wiring circuit for deep freezer -service direct cooled Refrigerators -Service a deep freezer -Braze the leak spot and leak test refrigerator -Evacuate hermetic system in Refrigerator -Charge hermetic system in Refrigerators -Repair /service of HFC filled domestic Refrigerators -Retrofit CFC ( R-12) filled the frost frees refrigerator for the symptom 'Poor Cooling ' -Troubleshoot and repair a deep freezer for the sympthon 'No Cooling " 2.Theory -Common basic Refrigeration tools ,copper tube cutting and being method -Swaging ,flaring,pinching and brazing technique -Conventional and Frost free refrigerators -Details of electrical components in refrigerators -Electrical parts in Frost free refrigerators -Wiring circuit of Deep freezer -Detail of Refrigerator -Periodic service of deep freezer -Leak arrenting and testing methods -Evacuation methods in Refrigeration -Refrigerant charging methods -Recovery of gas and service of Hfc 134a -Refrigerator -Hydrocarbon refrigerants -retrofitting deep freezer -Defects in Frost free Refrigerator -"Poor Cooling " -No cooling of deep freezer for the sympthon"No cooling 2.Theory -Common basic Refrigeration tools,copper tube cutting and bending method -Swaging ,flaring ,pinching and brazing technique -Conventional and frost free refrigerators -Details of electrical components in Refrigerators -Electrical parts in Frost free Refrigerators -Wiring circuit of Deep freezer -Details of refrigerator -Periodic service of deep freezer -Leak arresting and testing methods -Evacuation method in Refrigeration -Refrigerant charging methods -Recovery of gas and service of HFC 134a -Refrigerator Hydrocarbon refrigerants -retrofitting deep freezer -Defects in Frost free Refrigerator 'Poor Cooling " -'No cooling of deep freezer 3. Assignment & Test Refrigeration & Air Conditioning : MES 621.57 REP MES50 National Instructional Media Institute (NIMI) BSDU 170710 20190503135454.0 English