03733nam a22002297a 4500 797 797 OSt 20190503161318.0 170701b xxu||||| |||| 00| 0 eng d COE29 National Instructional Media Institute (NIMI) 36280 24/04/2017 06/06/17 BSDU English BSDU 621.58 BAS National Instructional Media Institute (NIMI) Basic Refrigeration – IV : Sector Refrigeration & Air Conditioning (For Centres of Excellence) Chennai National Instructional Media Institute (NIMI) 2014,c2008 185 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 Refrigeration & Air Conditioning : Centres of Excellence Refrigeration DGT, MSDE, Govt of India ddc BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 90.00 0 621.58 BAS 003835 2020-02-12 00:00:00 2017-07-01 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