DRAC Course

Course Code: DRAC

Duration: Two Years

Diploma in Refrigeration and Air conditioning

DCT Skills School Providing AC and Refrigeration Technician Courses(HVAC Course) Trivandrum, Cochin, Calicut, AC and Refrigeration has become part of everybody’s life right from the top corporate business house, Institutes, storage business, restaurants, individual homes. Most homes, workplaces, and dining or entertainment spots have refrigeration and air conditioning. Most also have refrigerators, freezers, and ice makers. The AC and Refrigeration technician is trained to design, install, and service air conditioning, and refrigeration equipment in business, residential and light commercial offices. There is an obvious need for qualified technicians in this field, and the industry is focused on keeping people comfortable. The A/C and refrigeration industry are one of the most demanding industry In order to accomplish work completion in the given time frame it takes a dedicated person who is willing to set goals and work hard.


• Basic Electronics – Electricity concepts , Active and Passive Electronic components working and troubleshooting
• Electricity – Single phase , 3 phase concepts , current , voltage and power rating concepts , HP , KW and Current Unit calculations
• Electrical control panel , valves , pressure gauge , circuit breaker , isolator , fuse and switcher , electrical and electronics meters
• Introduction to AC & Refrigeration systems , their usage
• Introduction to Refrigeration cycle , Identification of Refrigeration cycle and components , high medium and low temperature application machine , Refrigeration piping concepts , identification of tubes , pipes , joints , lubricant , refrigerant gas cylinder and its use
• Different elements of a refrigerator – Compressor, condenser, evaporator, Expansion valve, Refrigerant and other related elements
• Function of Condenser, types of condensers and working concepts
• Function of Compressor, Working concepts and types
• Function of Evaporator, working concepts and types
• Thermal insulation and types.
• Working with electrical, electronic and pneumatic controls
• Motors used in refrigeration and air conditioning system, types, construction
• Introduction to domestic and industrial refrigeration and air-conditioning.
• Air conditioners – Domestic – Windows & Split , Commercial Air conditioners
• Types of Air Conditioning Systems – Window Air Conditioner , Split Air Conditioner , Packaged Air Conditioner , Packaged Air Conditioners with Air Cooled Condensers , & Water Cooled Condenser , Central Air Conditioning Plants
• Diiferent types of Multi type Indoor units and outdoor units in commercial air conditioners, Ceiling Mounted Cassette type, Compact Multiflowtype , Duction Type , Suspended type , floor standing types

How useful was this post?

Click on a star to rate it!

Average rating / 5. Vote count: