HVAC / AC&R / RAC Technician Course

Heating Ventilation Air Condition (HVAC)

BASIC OF AIRCONDITIONING

• Introduction and Fundamentals of HVAC
• Definitions as per ASHRAE
• Terminology used in HVAC
• Modes of heat transfer
• Refrigeration Components
• Basic Refrigeration cycle
• Line diagrams and cycle of
  • window AC
  • Split AC
  • Packaged AC
  • Central AC
• Types of Air Conditioning System
  • All Air System
  • All water System
  • Air Water System
  • Direct Refrigeration

PSYCHROMETRIC

• Properties of Air
• Psychrometric Terms
• Psychrometric Processes
• Use of Psychrometric for system analysis

HEAT LOAD CALCULATION

• Orientation of Building
• To Read Latitude of Location of building
• Calculation of U factor for wall, glass,
• Roof and Partition
• Calculation of Equivalent Temp.
• Difference for wall, glass, Roof and Partition
• Cooling and Heat Load Calculation using
• ASHRAE Standards
• Calculation Of sensible Heat Factor, ADP and Dehumidified CFM

DUCT DESIGN METHODS

• Duct Sizing Methods
  • Velocity Reduction method
  • Equal Friction Method
  • Static Regain method
• Aspect Ratio
• Duct Sizing by use of Ductulator
• Types of Duct and Duct Material
• Calculation of No. of Sheets
• Duct Measurement
• Layout of single line diagram
• Conversion of Single line to Double line
• Air Distribution System

PIPING SYSTEM

• Selection Of Pipe Dia. for DX system
• Selection of Pipe Dia. For Chilled Water
• Material Selection

EQUIPMENT SELECTION

• CHILLERS 2. COOLING TOWERS
• AHUS 4. PUMPS 5. FANS

COURSE DURATION: 6 Months +

COURSE TIME: EVERY SUNDAY (4-5 HRS)

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