National Instructional Media Institute (NIMI) creator text xxu Chennai National Instructional Media Institute (NIMI) 2010,c2008 monographic eng

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97 Contents : Practical -Prepare copper tube joint by cutting swaging /flaring & Brazing -Check wingding and pumping pressure in hermetic compressor -Identify parts ,condition with Specifications of a water cooler -Identify parts ,controls with specifications of a bottle cooler -Solder copper (cooling ) coil with SS tank of water cooler -Service condenser coil in a Bottle cooler -Leak test ,Vaccumise & gas charge the water cooler -Service a bottle cooler -Make wiring circuit for a bottle cooler -Install the Bottle cooler and check it's performance -Service a water cooler -Install the water cooler and check its performance -Troubleshot and repair a water cooler for the symptom 'Poor Cooling' -Troubleshot and repair a bottle cooler for the sysptom 'unit tripc by high current ' -Troubleshoot and repair a bottle cooler for the symptom'Poor Cooling ' 2.Theory -Common basi Refrigeration tools and their function & safety -Reason of compressor Failure -Water cooler -Details & specifications -Bottle cooler -Details & specifications -Soldering -Material & Methods -Contamination in hermetically sealed systems -System processing of water cooler & introduction of retrofitting -Bottle cooler -Service Details -Specifications of Bottle cooler wiring -Installation and performance of Bottle Cooler -Water Cooler -Service details -Installation and performance of water cooler -'Poor cooling " in Water cooler -Troubleshoot and repair a bottle cooler with the sysmptom 3.Assignment & Test Refrigeration & Air Conditioning : MES 621.57 SER MES51 National Instructional Media Institute (NIMI) BSDU 170710 20190502132210.0 English