Page 17 - R&AC - 1st Year TT Gujarati

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, causes
current. (07 hrs.) and remedies in motors.
64.Start shaded pole motor and (02 hrs..)
measure starting current (18
hrs.)
Professional Perform selection of 65.Test open, short, continuity Motors
Skill 25 Hrs.; Hermetic compressor and earth of a hermetic
for different compressor. (04 hrs.) Function of Starting relay,
Professional appliances, starting Capacitors, OLP’s.(04 hrs..)
Knowledge 4 methods, testing 66.Start the compressor motor
Hrs. by RSIR, CSIR, PSC & CSR
controls & safety cut method by using different type
out used in sealed relay, capacitors, OLP’s, etc.
compressor.
(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 of Working principle of inverter
Skill 16Hrs.; theComponents of variable speed air conditioners technology, advantages of
control system of (Inverter ACs). (08 hrs.) variable speed technology over
Professional Inverter AC and
Knowledge 04 wiring of control 69.Identify components of control fixed speed. Working principle of
Hrs. system of Inverter ACs control system for inverter Air
system. 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 types Condenser
Skill 46 Hrs.; de scaling of of condensers used in
Professional condenser (internals refrigerators, Bottle coolers, Function of condenser, types,
Knowledge 10 &externals) used in visible coolers, deep freezers, Construction of air-cooled
Hrs. different Window and Split AC. (10 condenser. Effect of chocked
appliances.Perform hrs.) condenser. Advantages, de
scaling
Fitting & adjustment 71.Clean, flush, service and leak of air-cooled condenser,
of drier, filter & 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.)

(xv)