04097nam a22002297a 4500 795 795 OSt 20190503161732.0 170701b xxu||||| |||| 00| 0 eng d COE27 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 – II : Sector Refrigeration & Air Conditioning (For Centres of Excellence) Chennai National Instructional Media Institute 2013,c2008 92 Contents : Practical -Strip out components from frost free refrigerator -Check electrical wiring in frost free refrigerator -Check and test defrost heater -Check and test Timer and thermostat in frost free refrigerator -Retroit CFC filled domestic Refrigerator with HFC’s -Retroit CFC filled domestic Refrigerator with Hidro Carbon refrigerant -Repair /Service of HFC filled domestic refrigerator -Repair /Service Hydrocarbon filled Domestic refrigerator -Dismantle window Air – conditioner -Identify and inspect the parts of window A/c -Check and service the components of window a/c -Check relative humidity of conditoned room Service and assemble window A/c -Check and service A/C blower motor -Leak test in window A/C -Clean & flush contamination in condenser and evaporator -Service air cooled condenser in window A/c -Practice of removal and replacement of capillary tube in room A/c -Check electrical wiring of window a/c by CSR circuit -Test compressor without relay in CSR circuit -Check electrical wiring of window A/c by PSC method -Dry Service of windos A/C -Leak test in condensor with pressur raise method -Leak test in evaporator with Vaccum Method -Braze the leak spots in window A/C -Immersion method for leak test -Evacute hermetic system in room air conditioners -Charge gas in room Air -Conditioner -Measure the velocity of air flow and tempressure of room A/C -Troubleshoot and repair for the symptom “Compressor does not starts “ -Troubleshoot and repair for the symptom “Compressor trips frequently“ -Troubleshoot and repair for the symptom “ Poor cooling “ and for the sub symptom “Evapourator coil frosing“ -Troubleshoot and repair for the symptom “Poor cooling “ and for the sub symptom “Unit running continuously “ -Troubleshoot and repair for the symptom “Water leakage in indoor unit “ Theory -Study of Frost free Refrigerators -Refrigeration system of Frost free Refregerators -Electrical components and their functions in a Frost free Refregerator -Study of wiring ,Automatic defrost ,heater , Timer fan motor and air duct system -Methodology of Retrofitting -Details of CFC filled refrigerator with Hydro Carbon blend -Refregerators using diffirent refrigerants -Introduction of Air -conditioning -Constructional details of window Air – conditioner -Air – Conditioning System -Air – Conditioning System -Electrical components of window air -conditioner -Split Air- conditioners -Split air – conditional and its constructional details -Comparision ,advantage and disadvantage of split A/c & Window A/C Air cooled condensers -Constructional details and selection of air cooled condensers -Air filters ,their types and specification -Air flow Measurements -Velocity meters -Principle of pipe sizing -Study of service valves -Defective window model Room Air – Conditioner - “Compressor does not start “ -Defects in windos model Air -Conditioner -”Compressor trip frequetly “ -Defects in window air -conditioner -”Poor cooling “ Evaporate coil frosting -Defects in window air -conditioner -”Poor cooling “ - unit runnig continuosly -Defects in Split type air -conditioner - ’’water leakage in indoor unit ’’ 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 75.00 0 621.58 BAS 003755 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003756 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 1 RB-COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003757 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003758 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003759 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003760 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003761 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003762 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003763 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003764 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003765 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 1 621.58 BAS 003766 2023-07-27 00:00:00 2023-07-08 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003767 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 1 621.58 BAS 003768 2020-02-12 00:00:00 2018-02-17 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003769 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003770 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003771 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003772 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003773 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003774 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003775 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003776 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003777 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003778 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003779 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003780 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003781 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003782 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003783 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003784 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003785 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003786 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003787 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003788 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003789 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003790 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003791 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003792 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003793 2020-02-12 00:00:00 2017-07-01 BK 0 0 ddc 0 0 COE BSDU BSDU SDL 2017-07-01 75.00 0 621.58 BAS 003794 2020-02-12 00:00:00 2017-07-01 BK