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