02948nam a22002177a 4500 990 990 OSt 20190503161031.0 170710b xxu||||| |||| 00| 0 eng d MES52 National Instructional Media Institute (NIMI) 36280 24/04/2017 09/06/17 BSDU English BSDU 621.57 SER National Instructional Media Institute (NIMI) Service & Maintenance of Air Conditioning Plant : Modular Employable Skills Chennai National Instructional Media Institute (NIMI) 2010,c2008 130 Contents : 1.Practical -Practical safe method – Fire fighting -Identify common Basic Refrigeration tools with specification and function -Setting of Oxy -aceteylene flame -To Unroll ,Cut and Bend soft copper tubing -To swage and make a brazed join on copper tubing of same size -To make flare joints and test them with flare fitting -Check compressor efficiency and the operational condition of a compressor -Measure the current of a given load in an AC circuit without interrupting connecting (Tong – Tester ) -Identify various Refrigerant with Cylinder and valves -Trace the electrical wiring circuit -Check and service tempreture and pressure controls (low pressure switch,solenoid) -Check and service high pressure safety cut out oil pressure safety cutout -Check and cut all the Gaskets and assemble the commercial compressor -De – scale the shell and tube condensor – Identify and Arrest the tube leaks -Check and service the dry type evapourator -Pump down ,Pressure test,Leakarrest,evacuate ,charge or topup the gas -De – Scale Air handdling Unit (AHU) Chilled water coil -Check and service,attend the fault in cooling tower water circulation pump -Check and maintain the quality of chilled water -Clean cooling tower and accessories ,replace and rectify problems 2. Theory -Safety practice – Fire extingushers -Common basic Refrigeration tools and their functions -Setting of Oxy – Acertylene flame -Tubling – Cuttinf and Bending methodology Swaging -Flaring ,Flare fittings and testing the joints -Efficiency and testing of commercial reciprocating compressor -Measuring voltage and current using multi meter -Refrigerants -History, Classification ,Properties ,Environment -Central Air -Conditioning plant wiring circuit -Temperature and pressure controls -High pressure safety cutout ,safety valve and Oil pressure cut -out -Classification of commercial compressor and the gasket -Descaling in shell and tube condensor -Dry expansion Evapourators -Transfer refrigerant to shell and Tube condensor -Air Handling Units & air washer in Air – conditioning plants -Water circulation pumps -Chilled water treatment -Cooling Towers 3.Assignment & Test Refrigeration & Air Conditioning : MES A C Plant ddc BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011173 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011174 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 1 RB BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011175 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011176 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011177 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011178 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011179 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011180 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011181 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011182 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011183 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011184 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011185 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011186 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011187 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011188 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011189 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011190 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011191 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011192 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011193 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011194 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011195 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011196 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011197 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011198 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011199 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011200 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011201 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011202 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011203 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011204 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011205 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011206 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011207 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011208 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011209 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011210 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011211 2020-02-12 00:00:00 2017-07-10 BK 0 0 ddc 0 0 MES BSDU BSDU SDL 2017-07-10 75.00 0 621.57 SER 011212 2020-02-12 00:00:00 2017-07-10 BK