National Instructional Media Institute (NIMI)
Basic Refrigeration – I : Sector Refrigeration & Air Conditioning (For Centres of Excellence) - Chennai National Instructional Media Institute 2013,c2008 - 92
Contents :
Practical
-Prepare copper tube joints
-Replace door liner gasket and align door assembly
-Install the refrigerator with care
-Service and clean the refrigerator with care
-Service and clean the refrigerator
-Service and clean the refrigerator
Test electrical components in refrigerator
-Remove and refix the refrigerator door
-Dismantle the Hermetic compressor
-Check and rectify the valve assemblies
-Assemble ,weld dome and add oil to hermetic compressor
-Recover CFC/HCFC from the refrigeration system
Recover HFC from the refrigeration
-Check electrical wiring of conventional refrigerator by RSIR method
-Check electrical wiring of conventional refrigerator by CSIR method
-Prepation for repairs and replacement of components
-Troubleshoot & repair refrigerator for the symptom’No cooling ‘and sub – symptom ‘compressure does not start’
-Troubleshoot & repair refrigerator for the symptom’No cooling ‘and sub – symptom ‘Gas leak ‘
-Troubleshoot & repair refrigerator for the symptom’No cooling ‘and sub – symptom ‘Compressure running but not pumping refrigerant‘
-Troubleshoot & repair refrigerator for the symptom’No cooling ‘and sub – ‘Poor cooling’ and sub symptom ‘Moisture in the system’
Theory
-history of refrigeration and cooper tube connections used in system
-Heat and its measurements
-Propertes of air and gases
-Working principle of refrigeration components
-Details of the components of refrigeration
-Functions of electrical components in conventional refrigerator
-Refrigerator door assembly
-Method of lubrication of selected compressor
-Details of compressor valves
-Study of compressor
-Refrigerants – History,classification & Properties
-Environments impact and recovery of refrigerant
-RSIR wiring
-CSIR Circuit
-Methods of leak testing and leak detectors use
-Defects in conventional refrigerator -’No cooling ‘ - Gas leak
-Defects in conventional refrigerator - ‘Filter drier choke “
-Defects in conventional refrigerator - ‘No cooling “-”ompressor running but not pumping of refrigerant “
-Defects in conventional refrigerator - ‘Poor Cooling“ - Moisture in the system
COE26
National Instructional Media Institute (NIMI)
Refrigeration & Air Conditioning : Centres of Excellence
Refrigeration
621.58 / BAS
Basic Refrigeration – I : Sector Refrigeration & Air Conditioning (For Centres of Excellence) - Chennai National Instructional Media Institute 2013,c2008 - 92
Contents :
Practical
-Prepare copper tube joints
-Replace door liner gasket and align door assembly
-Install the refrigerator with care
-Service and clean the refrigerator with care
-Service and clean the refrigerator
-Service and clean the refrigerator
Test electrical components in refrigerator
-Remove and refix the refrigerator door
-Dismantle the Hermetic compressor
-Check and rectify the valve assemblies
-Assemble ,weld dome and add oil to hermetic compressor
-Recover CFC/HCFC from the refrigeration system
Recover HFC from the refrigeration
-Check electrical wiring of conventional refrigerator by RSIR method
-Check electrical wiring of conventional refrigerator by CSIR method
-Prepation for repairs and replacement of components
-Troubleshoot & repair refrigerator for the symptom’No cooling ‘and sub – symptom ‘compressure does not start’
-Troubleshoot & repair refrigerator for the symptom’No cooling ‘and sub – symptom ‘Gas leak ‘
-Troubleshoot & repair refrigerator for the symptom’No cooling ‘and sub – symptom ‘Compressure running but not pumping refrigerant‘
-Troubleshoot & repair refrigerator for the symptom’No cooling ‘and sub – ‘Poor cooling’ and sub symptom ‘Moisture in the system’
Theory
-history of refrigeration and cooper tube connections used in system
-Heat and its measurements
-Propertes of air and gases
-Working principle of refrigeration components
-Details of the components of refrigeration
-Functions of electrical components in conventional refrigerator
-Refrigerator door assembly
-Method of lubrication of selected compressor
-Details of compressor valves
-Study of compressor
-Refrigerants – History,classification & Properties
-Environments impact and recovery of refrigerant
-RSIR wiring
-CSIR Circuit
-Methods of leak testing and leak detectors use
-Defects in conventional refrigerator -’No cooling ‘ - Gas leak
-Defects in conventional refrigerator - ‘Filter drier choke “
-Defects in conventional refrigerator - ‘No cooling “-”ompressor running but not pumping of refrigerant “
-Defects in conventional refrigerator - ‘Poor Cooling“ - Moisture in the system
COE26
National Instructional Media Institute (NIMI)
Refrigeration & Air Conditioning : Centres of Excellence
Refrigeration
621.58 / BAS