Heating Ventilation & Air-Conditioning And Drafting
1) Introduction to HVAC

  • Fundamentals
  • Modes of Heat Transfer
  • Sensible Heat and Latent Heat

2) Basic Components of Air-Conditioning and Refrigeration machines

  • Basic Refrigeration System or Vapor Compression Cycle
  • Pressure-Enthalpy Chart
  • Function & Types of Compressor
  • Function & Types of Condenser
  • Function & Types of Expansion Valve
  • Function & Types of Evaporator
  • Accessories used in the System
  • Refrigerant and Brines

3) Classification of Air-Conditioning System
4) Window A/C

  • Working of Window A/C with Line Diagrams

5) Split A/C

  • Types of Split A/C
  • Working of Split A/C with Line Diagrams

6) Ductable Split A/C

  • Working of Ductable Split A/C with Line Diagrams
  • Variable Refrigerant Volume (VRV) / Variable Refrigerant Flow (VRF)

7) Ductable Package A/C

  • Working of Ductable Package A/C with Line Diagrams

8) Package Roof Top Units
9) Central Plant Chill Water System

10)Categories of Air Conditioning

  • All air system
  • All water system
  • Air-water system
  • Direct Refrigerant system

11)Study of Psychrometric Charts

  • Dry Bulb Temperature
  • Web Bulb Temperature
  • Dew Point Temperature
  • Relative Humidity
  • Humidity Ratio
  • Processes
  • Heating
  • Cooling
  • Cooling and Dehumidification
  • Heating and Humidification
  • Finding Values Using the Chart

12)Load Calculation

  • Survey of Building
  • Cooling Load Steps
  • Finding Temperature difference (AT)
  • Wall
  • Glass
  • Roof
  • Partition

13)Finding ‘U’ Factor

  • Wall
  • Glass
  • Roof
  • Partition

14)Finding Ventilation requirement for IAQ
15)Load Calculations (Manually using E-20 form)
16)ESHF, ADP & Air Flow Rate (CFM) Calculation

17)Air Distribution System

  • Duct-Definition & Terminology
  • Duct Design consideration
  • Duct sizing methods
  • Duct sizing as per Aspect Ratio
  • Finding Duct size using Ductulator
  • Calculation of Number of sheets for Duct
  • Gauge selection for Sheet Metal
  • Bill of Materials for Duct Network
  • Legends and Symbols used in the HVAC Industry
  • Selection of Diffusers and Grilles
  • Duct Materials and Insulation materials used in HVAC Industry
  • Study of Overseas Drawings
  • Duct Routing – Preparation of single line diagram (SLD)
  • Preparation of Layouts (Double line Diagram – DLD) as per SMACNA rules
  • Opening for Ducts passing through Wall
  • Sectional drawing @ Duct supports
  • Concept of CAV & VAV

18)Static Pressure Calculation

  • Selection of Motor HP
  • Selection Fan/Blower RPM

19)Hydronic System

  • Classification of Water Piping
  • Pipe sizing for chill water system
  • Fittings used in the HVAC Piping System
  • Valves used in the HVAC Piping System
  • Functions of Valves
  • Openings for CHW Pipes passing through Wall
  • Sectional drawing @ CHW Pipe supports
  • Pump Head Calculation
  • Selection of Pump

20)Air Conditioning Concepts
21)Fire Protection (Awareness)
22)HVAC software’s

  • XL Sheet for Load Calculations
  • Duct sizer for Duct sizing
  • TroxCAD Base for Diffuser & Grilles
  • Pipe sizer for Pipe sizing
  • Psychrometry Software