HVAC BASICS

HVAC LOAD CALCULATION

HVAC (DUCT DESIGNING)

FEES :- 30000/- INR

Chapter-1
  Introduction to MEP

  • Difference between MEP & HVAC
  • HVAC abbreviation
  • Definition of air conditioning
  • HVAC application
  • Standard societies
  • ASHRAE, ISHRAE, SMACNA..

  Chapter-2
  How HVAC project executes

  • Types of drawing
  • Overview of HVAC design
  • Roles & responsibilities of design  engineers
  • Overview of HVAC installation
  • Roles and responsibilities of installation            engineers

  Chapter-3
   Physics Used in HVAC

  • Heat
  • British thermal unit
  • Modes of heat transfer
  • Unit of refrigeration
  • Temperature & temperature scales
  • Enthalpy
  • Sensible and latent heat
  • Vapour compression refrigeration cycle
  • Unit
  • System of units
  • Conversions

  Chapter-4
  Psychometric

  • Introduction
  • Properties of air
  • Dry bulb temperature
  • Wet bulb temperature
  • Dew point temperature
  • Relative humidity
  • Humidity ratio
  • Manual psychometric chart
  • Psychometric software
  • Psychometric analysis
  • Humidification
  • De-humidification
  • Sensible heat ratio
  • By pass factor
  • Contact factor

  Chapter-5
  Air conditioning system

  • Direct expansion system
  • Window air conditioning
  • Split air conditioning
  • High wall
  • Cassette air conditioning
  • Floor stand
  • Cube air conditioning
  • Ductable split air conditioning
  • Package air conditioning
  • Chilled water system
  • Air cooled chiller
  • Water cooled chiller
  • VRF/VRV system
  • Radiant cooling
  • Chilled beams
  • District cooling system
  • Air system
  • FCU (fan coil unit)
  • AHU (air handling unit)
  • HRU (heat recovery unit)
  • Exhaust Fans
  • Side wall exhaust fan
  • Exhaust blower
  • Inline exhaust fan
  • Car parking exhaust fan
  • Kitchen exhaust fan
  • CAV system
  • VAV system
  • Desert cooler
  • Air curtain

Chapter-1
  Building survey

  • Introduction
  • Types of architecture drawing
  • Psychometric conditions
  • Latitude
  • Longitude
  • Orientation of building
  • Elevation of city
  • Levels (section heights)
  • Construction materials
  • Terminology of building structure
  • Surrounding conditions
  • Windows
  • Doors
  • People
  • Lighting
  • Appliances
  • Thermal storage
  • Location air conditioning machine
  • Available spaces
  • Power services
  • Water services
  • Applications
  • Drain location
 
  Chapter-2
  Manual load calculations

  • Cooling load calculation
  • Heating load calculation
  • Sources of heat
  • Project data extraction
  • Sample project
  • Input file
  • Finding u-values
  • Manual load calculation
  • E-20 excel calculation
 
  Chapter-3
  Software load calculation (HAP  4.9)

  • Sample project
  • School project
  • Optional project for practice
 
  Chapter-4
  Machine selection

  • Factor effecting machine selection
  • Window air conditioning
  • Split air conditioning
  • Ductable air conditioning
  • Package air conditioning
  • VRV/VRF
  • Chiller
  • Air cooled selection
  • Water cooled selection
  • Ahu selection 
  • Software Selection

HVAC ESTIMATION

AUTOCAD 

• Introduction to AutoCAD
  • What is What on CAD Screen
  • Autocad Coordinate System
  • Angle Measurement System
  • Drawing Setup
  • Line Command-Absolute and Relative Method
  • Polar and Direct Distance                  Method
  • Function Keys Part 1
  • Function Keys Part 2
  • PolyLine
  • Construction Line
  • Circle
  • Rectangle
  • Ellipse
  • Polygon
  • Point
  • Smooth PolyLine and Revision   Clouds
  • Selection Methods
  • Copy and Move
  • Rotate and Offset
  • Mirror, Scale, Block and Explode
  • Stretch, Break and Join
  • Fillet and Chamfer
  • Lengthen and Reverse
  • Trim and Extend
  • Rectangular and Polar Array
  • Divide, Measure and Align
  • Inquiry Commands- Measure   Tools
  • Zoom Commands
  • Creating Isometric Drawing
  • Central Line and Drawing                  Properties
  • Object Properties
  • Dimensioning in AutoCAD
  • Dimension Command
  • Dimension Style
  • Single line and Multiline Text
  • Creating Layers
  • Layouts
  • Printing & Ploting
  • External Refrence

Introduction to Estimation

  • Departments in Estimation
  • Tender Department
  • Job in Hand Department

  Tree Diagram for Estimation
  Units & Conversions
  • Length
  • Area
  • Tonnage

  Legends & Abbreviation
  • General Abbreviation
  • HVAC Abbreviation
  • Ducting Abbreviation
  • Air Terminal Abbreviation
  • Accessories Abbreviation 

   •Letter of Intend (LOI)

  Equipments
  • Air Side Equipments
  • Water Side Equipments
  • Refrigerant Side Equipment’s

  Air Side Extraction
  • Supply Duct
  • Return Duct
  • Flexible Duct
  • Fresh Air Duct
  • Kitchen exhaust Duct
  • Smoke exhaust Duct
  • Toilet exhaust Duct

  Water Side Extraction
  • Chillers
  • Pumps
  • Chilled Water Supply piping
  • Chilled Water Return piping

  Step to Start the Services
  • Document extraction
  • Division of Services
  • Division 21
  • Division 22
  • Division 23
  • Division 26

  Ducting Side
  • Supply Air Duct
  • Return Air Duct
  • Flexible Duct
  • Fresh Air Duct
  • Kitchen exhaust Duct
  • Smoke exhaust Duct
  • Toilet exhaust Duct

  Piping Side
  • Chillers
  • Pumps
  • Chilled Water Supply piping
  • Chilled Water Return piping

  Accessories
  • Fire Damper
  • Volume Control Damper
  • Variable Air Volume
  • Butterfly Damper
  • Motorized Volume Control Damper  
  • Motorized Fire Damper
  • Non-Return Damper
  • Sound Attenuators
  Valves
  • Gate Valve
  • Globe Valve
  • Strainer
  • Non-Return Valve
  • Finalizing the Suppliers
  • Float (Or) Preparing Enquiry to         Supplier
  • Quantity Take Off with Software 

  Autodesk Design Review

  • B.O.Q Comparison
  • Final Billing & Quotation 
  • Negotiation Matrix

Chapter-1
  Ducts
  • Introduction to ducting
  • SMACNA standard

  Chapter-2
  • Classification of duct
  • Duct material
  • Duct gauging
  • Duct fitting
  • Duct accessories

  Chapter-3
  Duct designing

  • Duct aspect ratio
  • Velocity for ducting
  • Duct designing method
  • Equal friction method
  • Velocity reduction method
  • Static regain method
  • Project

  Chapter-4
  Air distribution

  • Comfort zone
  • Occupied zone
  • Primary air, total air, room air
  • Throw, drop &spread
  • Convection currents
  • Returns

  Chapter-5
  Air terminal selection

   •Types of air terminal
  • Selection fundamental
  • Performance factor
  • Design factor
  • Standard sizes of air terminal
  • Low size planning

  Chapter-6
  Fan selection

  • Introduction
  • Types of fan
  • Fan laws
  • Fan performance characteristics
  • Fan selection requirements
  • Loss coefficient
  • Air volume in CFM
  • Static pressure
  • Sound characteristics

  • Fan selection manual
  • Fan selection with Excel Program

  Chapter-7
  Building exhaust system

  • Toilet exhaust system
  • Kitchen exhaust system
  • Car parking exhaust system

CHILLED WATER SYSTEM

Chapter-1
  Introduction

  • Types of pipe
  • Pipe material
  • Pipe class
  • Classification of pipe
  • Types of pipe arrangements
  • Direct return systems
  • Reversed return system

  Chapter -2
  Pipe Designing

  • Pipe designing method
  • Velocity method
  • Velocity + fraction combine method
  • Manual pipe designing
  • Software pipe designing
  • Project

  Chapter -3
  Fitting & Accessories

  • Pipe fitting
  • Pipe accessories
  • PICV
  • Pump hookup
  • Chiller hookup
  • Ahu hook up
  • Valves selection

  Chapter -4
  Pump Selection

  • Introduction
  • Classification of pumps
  • Pump laws
  • Pump Curves
  • Types of pump Primary pump
  • Secondary pump
  • Tertiary pump
  • Head loss
  • Pump selection manual
  • Pump selection with Excel Program

  Chapter -5
  Other Equipment Selection

  • Cooling Tower Selection
  • Make up Water Tank Selection
  • Expansion Tank Sizing
  • Air Separator selection

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