Contents

1. Practical
-Dismantle and check water circulating pump
-Reassemble and check the performance of the pump
-Check and service water regulating valve
-Troubleshoot and repair the water pump for the sympton ‘Poor Pumping “
-Identigy parts and contols of a package air -conditioner
-Install package air -conditioner
-Trace the electrical wiring circuit of package A/C
-Identify duct material and fabricate as per duct drawing
-Troubleshoot and repair package Air – conditioner for the symptom
“Compressor cut off through LP Cut out “
-Isolate and service car A/C components
-Service and adjusr different controls of car A/C
-Test the performanance of a car A/C system
-Indetify the major compoents in vapour absorption system
-Remove and service vacumm pump of vapour absorption system
-Replace agitator fan motor in ice plant brine tank
-Tapping of lub oil to the ice plant compressor
-Troubleshoot and repair a ice plant for the symptom “Brine Leaks “
-Identify all components ,controls and safety devices and specification in central A/c plant .
-Trace the electrical wiring circuit in central air conditioning plant
-Service the compressor and charge oil
-Check the efficiency of a compressor
-Check the water flow of shell and tube condenssor
-Service air calculation fans and blowers
-Check and Service safety devices of compressor
-Start and stop – Operational maintenance of central Air conditioning plant Evacuting and charging in A/c plant
-Check and service cooling tower fan and motor
-Shedule maintenance in Air -handling units
-Check air flow distrubution of duct lines and arrest air leak

Theory
-Constructional details and application of pumps
-Details of centrifugal pump
-Functions and applications of water valves
-Fault diagnosis in water circulating pumps
-Package Air -Conditioners
-Construction details of package A/C
-Safety switches and controls used in package A/c
-Duct systems of package A/C
-Package A/C s faults and diagnosis
-Automoble air – conditioning
-Deffirent controls of CAR A/C
-Performance of Auto A/c System and troubleshooting
-Vapour Absorption system
-Air refrigeration
-Steem jet refrigeration
-Non conventional refrigeration
-Introduction to centre air conditioning system
-Central air conditioning plat wiring circuit
-Compressures lub oil circulation
-Efficiency testing of compressor
-Water flow different differential pressure in shell and tube condeser
-Descaling in shell and tube condenser
-Chilled water storage tank ,pipes and insulation
-Fans and Blowers of AHU,FCU and air Washer
-Safety devices of compressor
-Seasonal shut-down ,maintenace of central air conditioning plant
-Vacuming and gas charging in central air conditioning plant
-Cooling towers
-Central A/C Duct systems
-Air Distribution Balancing in Duct at Air -condition plants