Page 16 - R&ACT 1st Year - TT- TELUGU

62. Identification of terminal
sequence of CSIR motor by
using digital multimeter and
measure starting current
and running current by using
Ammeter and AVO meter.
(13 hrs.)
63. Start CSR motor and measure Centrifugal switch and its
starting current and running function. Common faults,
current. (07 hrs.) causes and remedies in motors.
64. Start shaded pole motor and (02 hrs..)
measure starting current (18
hrs.)

Professional Perform selection 65. Test open, short, continuity Motors
Skill 25 Hrs.; of Hermetic and earth of a hermetic
compressor for compressor. (04 hrs.) Function of Starting relay,
Professional different appliances,
Knowledge 4 starting methods, 66. Start the compressor motor Capacitors, OLP’s.(04 hrs..)
Hrs. by RSIR, CSIR, PSC & CSR
testing controls &
safety cut out used in method by using different
sealed compressor. type relay, capacitors, OLP’s,
etc. (10 hrs.)
67. Check and Test different type
relay, Capacitors, OLP’s, find
out faults and rectification
(11 hrs.)
Professional Identify 68. Check control circuit Working principle of inverter
Skill 16Hrs.; theComponents of of variable speed air technology, advantages of
control system of conditioners (Inverter ACs). variable speed technology over
Professional Inverter AC and (08 hrs.)
Knowledge wiring of control fixed speed. Working principle
04 Hrs. 69. Identify components of of control system for inverter Air
system. control system of Inverter ACs Conditioners (ACs). (04 hrs..)
including printed circuit board
(PCB) NTC,PTC e.g. Power
PCB, Filter PCB, Heat sink
reactor. (08 hrs.)
Professional Perform servicing 70. Familiarize with different Condenser
Skill 46 Hrs.; & de scaling of types of condensers used in
Professional condenser (internals refrigerators, Bottle coolers, Function of condenser, types,
Knowledge &externals) used in visible coolers, deep freezers, Construction of air-cooled
10 Hrs. different appliances. Window and Split AC. (10 condenser. Effect of chocked
Perform hrs.) condenser. Advantages, de
scaling
Fitting & adjustment 71. Clean, flush, service and of air-cooled condenser,
of drier, filter & leak test different type of air- application, and advantages.
refrigerant controls cooled condensers, micro Liquid receiver, pump down,
used in different channel condensers. Remove application, types, function and
refrigeration system.
dust from fins in air cooled working.
condenser, micro channel Drier
condensers. (10 hrs.)
Function of drier, types,
72. Identify different items application and its advantage.
necessary for de-scaling like Description of desiccants.
diluted Hcl, Pump & motor,
hose, etc. (07 hrs.)

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