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