AC And Refrigeration Servicing Training
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104, Capital Super Market, 1st Floor Room-43, Green Road, (আনন্দ সিনেমা হলের ও ছন্দ সিনেমা হলের বিপরীত পাশে, এবং লাজ ফার্মা এর বিপরীত পাশে), Farmgate, Tejgaon, Dhaka, Bangladesh 1215
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AC And Refrigeration Servicing Training
তা হলে জেনে নিন……
The Refrigeration & Air Conditioning (RAC) Servicing Training Course is a hands-on, industry-aligned vocational program designed to train participants in the installation, diagnosis, maintenance, and repair of domestic, commercial, and industrial cooling systems.
As global temperatures rise and modern infrastructure expands, RAC technology has become essential across residential, commercial, and medical sectors (including specialized cold storage and transport). This course provides both foundational thermal engineering theory and intensive practical field skills to build job-ready technicians or independent service entrepreneurs.
AC And Refrigeration Servicing Training Course Outline:
o History, principles, and applications of HVAC&R
o Importance of HVAC&R in modern society
o Heat transfer principles (conduction, convection, radiation)
o Properties of matter (pressure, temperature, volume)
o Psychrometric charts and their interpretation
o Humidity control processes
o Refrigerant properties and selection criteria
o Environmental impact and regulations (e.g., ozone depletion, global warming)
5. Electrical Fundamentals
o Basic electrical concepts (voltage, current, resistance)
o AC/DC circuits
o Electrical safety practices
Refrigeration Systems
o Components and operation of a vapor compression cycle
o Pressure-enthalpy diagrams
o Performance analysis of refrigeration systems
o Principles of absorption refrigeration
o Applications of absorption systems (e.g., chillers, domestic refrigerators)
8. Refrigeration System Components
o Compressors (reciprocating, rotary, screw)
o Condensers (air-cooled, water-cooled)
o Evaporators
o Expansion devices (thermostatic expansion valves, capillary tubes)
o Compressors (reciprocating, rotary, screw)
o Condensers (air-cooled, water-cooled)
o Evaporators
o Expansion devices (thermostatic expansion valves, capillary tubes)
o Thermostats, pressure switches, safety controls
o Control circuits and wiring diagrams
o Common refrigeration system problems
o Diagnostic techniques
o Troubleshooting procedures
Air Conditioning Systems
o Psychrometric principles of air conditioning
o Load calculations (cooling, heating)
o Air distribution systems
o Window units, split systems, central air conditioners
o Installation, maintenance, and troubleshooting
o Package units, rooftop units, chillers
o VAV systems, fan coil units
o Process cooling, data center cooling
o Special applications (e.g., cleanrooms)
o Components of AHUs (fans, filters, coils)
o AHU selection and design
HVAC Controls
o Introduction to BAS concepts
o Control systems (direct digital control, programmable logic controllers)
o Temperature sensors, pressure sensors, humidity sensors
o Control valves, dampers, fans
o Feedback control systems
o PID control
o Tuning of control loops
o Feedback control systems
o PID control
o Tuning of control loops
o Programming and operation of DDC systems
o Troubleshooting DDC systems
20. BMS Software
o Introduction to building management software
o Data logging and analysis
o Energy management
Heat Pumps
21. Heat Pump Principles
o Heat pump cycles (air-source, ground-source)
o Coefficient of Performance (COP)
22. Air-Source Heat Pumps
o Residential and commercial applications
o Installation and maintenance
23. Ground-Source Heat Pumps
o Geothermal systems
o Advantages and disadvantages
Ventilation
24. Indoor Air Quality (IAQ)
o Sources of indoor air pollutants
o IAQ control strategies
25. Ventilation Systems
o Natural ventilation
o Mechanical ventilation (supply, exhaust, balanced)
Refrigeration Applications
26. Cold Storage
o Design and operation of cold storage facilities
o Food preservation
27. Ice Making
o Ice making machines and their operation
28. Refrigerated Transportation
o Refrigerated trucks and containers
29. Industrial Refrigeration
o Process cooling applications in various industries
Safety and Environmental Issues
30. Safety in HVAC&R
o Electrical safety
o Refrigerant safety
o Confined space entry
o Personal protective equipment
31. Environmental Regulations
o Ozone Depletion and Global Warming Potential (ODP and GWP)
o Refrigerant recovery and recycling
Practical Skills
32. Hand Tools and Equipment
o Use and maintenance of hand tools
o Use and maintenance of specialized HVAC&R equipment
33. Refrigerant Handling
o Safe handling and recovery of refrigerants
o Use of refrigerant recovery equipment
34. Brazing and Soldering
o Techniques for brazing and soldering copper tubing
35. Electrical Wiring
o Wiring diagrams
o Control circuit wiring
36. Troubleshooting and Repair
o Diagnostic procedures for common HVAC&R problems
o Repair techniques
37. Preventive Maintenance
o Preventive maintenance procedures for HVAC&R equipment Advanced Topics
38. Advanced Refrigeration Cycles
o Cascade refrigeration systems
o Multi-stage compression
39. Heat Exchanger Design
o Principles of heat exchanger design
o Selection of heat exchangers
