HVAC

HVAC

hvac

 

Heating, Ventilation & Air-Conditioning Course Outlines…

  • Role of HVAC Engineer and Draughtman in various industries
  • Covers moist air properties and conditioning process, DBT, WBT, RH, Humidity ratio, Dew point, Heat : Sensible, latent heat.

Fundamental of HVAC design

Ventilation criteria

  • Car parking ventilation – By advance method ( Impulse and Induction)
  • Kitchen hood – Single skill hood, double skill hood
  • Toilet exhaust- Commercial and residential, disc valve selection

Air Conditioning System

  • Vapour Compression refrigeration cycle, Window A/C, Split A/C, Package A/C, Ductable Split A/C, hide away, Floor Mount, Cassette type, Ceiling type, Vulcan lockring.

Duct Design and layouts

  • Shapes of duct.
  • materials of duct.
  • classification of duct : low, medium, high pressure.
  • Designing : equal friction method, velocity reduction method, static regain method.
  • Duct Designing Software : Ductu & matware.
  • Recommended G.I (Guage).
  • Aspect ratio.
  • SMACNA.
  • Air Terminal selection using BETA performance data program.

Heating and cooling load calculation

  • Heat load calculations (Manually by E20 and general) and by software programs like: Carrier –  HAP ( Hourly Analysis Program), Elite, General.
  • Heat loss calculation.

Chilled water system

  • Chiller selection.
  • Chilled water pipe sizing: Graph, MACQUAY pipe sizing software.
  • Hydraulic calculation for chilled water pump selection.
  • Primary, Secondary Pump Selection, Pump in series and parallel.
  • Common Header Pipe Sizing.
  • Expansion Tank Selection – Software.
  • Cooling Tower Selection- Evaporative Loss Calculation.
  • Equipments Selection @“ Package Ac, Chiller, AHU, FCU etc @“ Zamil Software.
  • Cooling Without Air Conditioning system Designing, Passive Cooling system designing.
  • Energy Conservation Measures: Under floor Cooling, Radiant cooling, Geothermal Cooling,
  • Thermal cooling or Ice on Pipe system, HRW – Heat Recovery wheel, EAT – Earth Air Tunnel system.
  • Cold Store Designing.
  • District Cooling System.
  • De-Humidifier Selection.Open loop and Closed loop system.
  • E.S.P [External Static Pressure] Calculation for Blower Selection
  • Fan & Pump Laws.

HVAC Shop Drawing:

  • Window A/C.
  • Split A/C
  • Toilet Exhuast
  • Car Parking
  • Kitchen Hood
  • Ductable Split A/C
  • Package A/C
  • Project
  • Chiller Connections
  • Stair Well

Shop Drawing Preparation: Representation of Air-conditioning & Ventilation Ducts, Chilled Water pipes, Duct fittings – Elbow, TEE, WYE. Dampers – Volume Control Dampers [VCD], Splitter Dampers [SD], Smoke Dampers, Fire Dampers etc. and Duct supports. Representation of Duct/Pipe levels, slope, flow directions, BOD’s, BOP’s FCU’s, AHU’s, Chillers, Pumps, Valves – Isolating, Regulating, NRV, Strainer etc. Representation of section Drawings.