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HVAC Systems: Components & Calculations

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Koteswara Rao
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234 views1 page

HVAC Systems: Components & Calculations

Uploaded by

Koteswara Rao
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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HIGH TECHNOLOGIES SOLUTIONS

HVAC (Heating, Ventilating, and Air Cooling Load Steps


Finding Temperature difference ΔT
conditioning) • Wall
 Fundamentals • Glass
 Modes of Heat Transfer • Roof
• Partition
 Sensible Heat and Latent Heat
Finding U Factor
Basic Components of Air-Conditioning and
• Wall
Refrigeration machines
• Glass
 Basic Refrigeration System or Vapor
• Roof
Compression Cycle
• Partition
 Pressure – Enthalpy Chart
Finding Ventilation requirement for IAQ
 Function & Types of Compressor
Load Calculations (Manually using E-20 form)
 Function & Types of Condenser ESHF, ADP & Air Flow Rate (CFM) Calculation
 Function & Types of Expansion Valve Air Distribution System
 Function & Types of Evaporator  Duct-Definition & Terminology
 Accessories used in the System  Duct Design consideration
 Refrigerant and Brines  Duct sizing methods
Classification of Air-Conditioning System  Duct sizing as per Aspect Ratio
 Window A/C  Finding Duct size using Ductulator
Working of Window A/C with Line Diagrams
 Calculation of Number of sheets for Duct
 Split A/C
 Gauge selection for Sheet Metal
Types of Split A/C
 Bill of Materials for Duct Network
Working of Split A/C with Line Diagrams
 Legends and Symbols used in the HVAC Industry
 Duct able Split A/C
 Selection of Diffusers and Grilles
Working of Duct able Split A/C with Line Diagrams
 Duct Materials and Insulation materials used in
• Variable Refrigera t Volu e VRV / Variable
HVAC Industry
Refrigerant Flow (VRF)
 Duct Routing - Preparation of single line
 Duct able Package A/C
diagram (SLD)
 Working of Duct able Package A/C with Line
 Preparation of Layouts (Double line Diagram -
Diagrams
DLD) as per SMACNA rules
Categories of Air Conditioning
 Openings for Ducts passing through Wall
 All air system
 Duct supports
 All water system
 Concept of CAV & VAV
 Air - water system
Static Pressure Calculation
 Direct Refrigerant system
 Selection of Motor HP
Study of Psychometric Charts
 Selection Fan/Blower RPM
 Dry Bulb Temperature
Hydraulic System
 Wet Bulb Temperature
 Classification of Water Piping
 Dew Point Temperature
 Pipe sizing for chill water system
 Relative Humidity
 Fittings used in the HVAC Piping System
 Humidity Ratio
 Valves used in the HVAC Piping System
Processes
• Heating  Function of Valves
• Cooling  Openings for CHW Pipes passing through Wall
• Cooling and Dehumidification  Pipe supports
• Heating and Humidification
• Fi di g Values Usi g the Chart
Load Calculation
Survey of Building

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