HVAC

Introduction to HVAC.

ü  Basic Fundamentals about HVAC.

ü  Heat Transfer Concepts.

ü  Modes of Heat Transfer.

ü  Basic properties of the air.

ü  Types of Heats around in room.

ü  Applications of HVAC industry used in different fields.

ü  Conversions of all Dimensioning systems.

ü  Units of all Designing systems.

              Psychometry                                          Module: 2

ü  Identifying Psychrometric chart.

ü  Identifying psychrometric values like Dry bulb Temperature, Wet bulb Temperature, Relative Humidity, Humidity ratio, Dew point Temperature Enthalpy.

ü  Calculations on psychrometric Chart.

ü  Finding the values of sensible heating, sensible cooling, Humidification and Dehumidification.

ü  Process of cooling-Humidification and Heating-Dehumidification. 

Module: 3

Basic Components of Air-Conditioning and Refrigeration machines.

ü  Basic Refrigeration System or Vapor Compression Cycle.

ü  Working process of all components in refrigeration system like compressor , condenser, expansion valve and condenser

ü  Pressure – Enthalpy Chart for Refrigeration cycle.

ü  Accessories used in HVAC System.

ü  Process of pressure testing in Refrigeration system

Module: 4

ü    Learning about Refrigerants

ü    Properties of refrigerants

ü    Temperature of refrigerants like Boiling point and melting point temperatures.

ü    Applications of Refrigerants.

Module: 5

Classification of Air-Conditioning System.

ü  Window A/C

ü  Split A/C

ü  Variable Refrigerant Volume (VRV)/Variable Refrigerant Flow (VRF)

ü  Package Units

ü  Central Plant Chill Water System

Module: 6

Categories of Air Conditioning.

ü  Classifications of Air conditioning systems and their equipments.

ü  Classifications of HVAC systems.

ü  All air system

ü  All water system

ü  Air - water system

ü  Direct Refrigerant system

Module: 6

      Heat Load Calculations.

ü  Survey of Building

ü  Finding Temperature difference(ΔT) (Wall, Glass, Roof , Partition)

ü  Finding ‘U’ Factor (Wall, Glass, Roof, Partition)

ü  Finding Ventilation requirement for IAQ

ü  Load Calculations (Manually using E-20 form)

ü  ESHF, ADP & Air Flow Rate(CFM) Calculation

Module: 7

Air Distribution System.

ü  Duct-Definition

ü  Duct designing using Methods ; (Velocity Reduction method, Equal Friction method, Static Regain method).

ü  Duct sizing as per Aspect Ratio

ü  Finding Duct size using Ductulator

ü  Calculation of Number of sheets for Duct

ü  Gauge selection for Sheet Metal

ü  Bill of Materials for Duct Network

ü  Selection of Diffusers and Grilles

ü  Duct Routing - Preparation of single line diagram (SLD)

ü  Preparation of Layouts (Double line Diagram - DLD) as per SMACNA rules

Module: 8

Static Pressure Calculation.

ü  Selection of Motor HP

ü  Selection Fan/Blower RPM

Module: 9

Chiller piping System.

ü  Classification of Water Piping

ü  Pipe sizing for chill water system

ü  Pump Head Calculation

ü  Selection of Pump

Module: 10

       HVAC software’s.

ü  XL sheet for Load Calculation.

ü  XL sheet for Static Pressure.

ü  XL sheet for Bill of Quantity.

ü  Duct sizer software for Duct sizing

ü  Psychrometry Software

Module: 11

 Projects

ü  G+5 Projects.

ü  HVAC Design Project on Auto-Cad.

ü  Chiller Design Project on Auto-Cad.

Module: 12

1. Understanding the Green Environmental
2. Understanding Projects
3. Understanding Green Projects

• LEED-Leadership in Energy Efficiency and Design
• EGBC- Emirates Green Building Council
• ESTIDAMA (Sustainability)
• USGBC-United States Green Building Council
• IGBC- Indian Green Building Council

1. ASHRAE- American Society of Heat Refrigeration Air-Conditioning Engineers
2. ISHRAE- Indian Society of Heat Refrigeration Air-Conditioning Engineers
3. HSE-Health and safety environmental
4. Understanding Energy management