Page 18 - R&ACT 1st Year - TT- TELUGU

Professional Retrofit CFC/HFC 81. Demonstrate safe handling of Safe handling of flammable
Skill 22 Hrs.; machine with ozone refrigeration cylinders. (10 hrs.) refrigerants. Refrigerant leak
Professional friendly refrigerant 82. Recover CFC by recovery detection methods,
Knowledge with understanding of pump and cylinder on CFC filled evacuation and charging
07 Hrs. the compatibility. domestic refrigerator. (12 hrs.) of refrigerant, temperature
glides of refrigerant blends,
procedure of charging o f
refrigerant blends especially the
zeotropic
lends,hydrocarbon blends, HFC
blends (R-404A, R-407C,R-
410A) and blends of HFCHFO.
Retrofitting

Changes of components &
practices while retrofitting CFC
appliances with HC Refrigerants.
Properties of HCs(07 hrs..)
Professional Pack thermal 83. Identify different insulating Thermal Insulation
Skill 13 Hrs.; ins ulat ion and materials.(polyurethane rigid Function,types,thermodynamic
Professional prevent foam and polystyrene). (03 properties of heat insulation
cooling leakage.
hrs.)
Knowledge materials used in refrigeration
02 Hrs. 84. Fill with insulation material like and Air Conditioning systems.
PUF and glass wool. (10hrs.) (02 hrs..)

Professional Install window 85. Acquainting with mechanical and Window Air Conditioner Study
Skill 50 Hrs.; AC, test Electrical electrical components (electrical the construction and working
Professional & electronics components like selector switch, principle of window AC and
Knowledge co mp on e nts & thermostat switch, relay, starting its components; electrical
7 Hrs. Fault diagnosis & capacitor, running capacitor, controls and wiring. Installation,
remedial measures. overload protector, remote troubleshooting and servicing.
and PCB control, etc. ) used ( 7 Hrs)
in window air- conditioner.
(15 hrs.)
86. Troubleshooting, installation,
tracing wiring circuit. (5 hrs..)
87. Leak testing, evacuation and
gas charging, Show discharge
pressure and suction pressure
during running time. (15 hrs.)
88. Hands on practice on installation
of window AC following step by
step procedure. (15 hrs.)

Profession- Perform servicing Split AC (wall/floor/Cassette) Split AC (wall/floor/Cassette)
al Skill 100 of electrical& elec- 89. Identify various components of Construction and working
Hrs.; tronic control, test, split AC like wall mounted, floor principle, troubleshooting &
Installation, wiring, and ceiling mounted, duct able care and maintenance.
Professional and multi split AC. (04hrs.) Selection of location of indoor
Knowledge fault finding & re- 90. Identify electrical circuits of and outdoor units.
18Hrs. medial measures of wall mounted split AC. (04hrs.)
different split AC.

(xvi)