Operation and Maintenance of Refrigeration

Place- الموعد Date - المكان
2017-02-26 00:00:00 Turkey
2017-07-23 00:00:00 Dubai
2017-10-22 00:00:00 Sharm el-Sheikh

 Who Can Benefit?

§ The program is designed mainly for Technicians.

Course Objectives.

§ This course is specially designed to provide the participants with a better understanding of the engineering background of refrigeration equipment and practical skills while dealing, with maintenance and repair works.

Course Outline.

§  Introduction - Fundamentals of refrigeration :

§ Heat flow.
§ Temperature.
§ Pressure, gases.
§ basic refrigeration.
§ refrigerant

§ Basic refrigeration systems:

§ Selecting & handling tools & materials.

§ tubing, flares.
§ Soldering.
§ Swaging.
§ Gauges.
§ Evaporator system

§ Compression Systems and Compressors:

§ The system.
§ Compression cycle.
§ suction line, filter/dryer,

§ Condenser, expansion valve hermetic & semi-hermetic units, type of compressors.

§ valves

§ Refrigerant controls:

§ Controlling, refrigerant pressure & temperature.

§ Expansion valves, solenoid valves, oil separator.

§ oil pressure, high & low pressure cut out, flexible connector

§ Electric circuits & controls :

§   Understanding the motor types.

§  Capacitor-start, thermostats.

§ Starting relays.
§  Defrost controls.

§ Contactors, overloads, time delay.

§  anti short timer, wiring diagram, star-delta connection

§ Servicing and installing semi-hermetic compressors

§ Understanding leak detection.

§  Adding oil, using a gauge manifold, valve kit.

§  system charming, system evacuation, motor/compressor problems

§ Testing & Troubleshooting:

§  Locating trouble.
§ Troubleshooting chart.
§ Repairs, service estimates.
§ Testing & start up.
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