DIPLOMA IN REFRIGERATION & AC REPAIRING

Semester- I

• Introduction: Refrigeration and Air Conditioning and Safety
• Fitting & Welding
• Electricals & Electronics
• Primary & secondary refrigerants
• Thermal insulation
• Lubrication
• Gas Charging, Testing & Faults Diagnosis
• Commercial RAC plants & Car air-conditioners 

Semester- II

• Observation, Analysis of Carnot cycle
• Non-Conventional Refrigeration system.
• Electronic Controls, Transistors
• Commercial Compressor & Capacity Control
• Cooling Tower
• Water Softening Plants, Chillers
• Refrigerant controls
• Food Preservation, Refrigerants, Lubrication
• Erection of plants, Ducts, HVAC, VAV system
• Psychrometry, Heat load estimation