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H.V.A.C

TopH.V.A.C (Heating, Ventilation & Air Conditioning)

Designing on software based Calculation.

Duration: 2 Months Class: 02hrs daily.


TopGENERAL INTRODUCTION AND APPLICATION OF AIR CONDITIONINGS SYSTEMS

Definition of air conditioning as per (ASHRAE)

Terms used in air conditioning and their definitions

Basic parts of air conditioning and refrigeration machines

Basic cycle and description of component of cycle.

Reading Psychometric charts

Software based calculations such as Zamil, E-20,

ASHRAE, TRANE, DUBAI, HEAT, LOAD, ElITE, CARRIER


TopTYPES OF AIR CONDITIONINGS SYTEMS

1) Window A/c 2) Split A/c 3) Package A/c 4) Central A/c

HVAC ó Year round A/c (Air cooled chillers and water cooled chillers)


TopINTROCUCTION TO HEAT LOAD CALCULATIONS

Modes of Heat Transfer.

Sources of Heat in Buildings.

Calculation of co-efficient of heat transfer of various material such as Wall, Roof, Partition, Floor, Glass, Ceiling etc with the help of annexure

Calculation of temperature difference of Wall / Glass/ Roof / Partition etc.

Filling of E-20 forms for heat load estimation using ASHRAE standard.

Reading the civil drawing

Project completion (Residential or commercial building)


TopSELECTION OF FAN COIL UNIT (FCUíS)

NOTE: - All machines are to be selected based on heat load calculations.

Definition of fan coin units (FCUís)

Nomenclature of Fan coin units (FCUís)

Data required for the selection of (FCUís)

Location of (FCUís)


TopSELECTION OF AIR HANDLING UNITS (AHUíS)

NOTE: All machines are to be selected based on Heat Load Calculations

a) Air handling unit - Definition

b) Types of AHUís (Horizontal / Vertical)

c) Difference between FCU and AHU

d) Ventilation standards of Residential, Commercial, Hospital, Industrial Buildings with respect to duct sizing methods ASHRAE Stds.

e) Selection of AHUíS Data Required for the selection of air handling unit (AHUís). Location of (AHUís)


Top SELECTION OF CHILLERíS

a) Definition of Chillerís and purpose.

b) Types of Chillerís (Air Cooled Chillerís & Water cooled chillerís)

c) Selection of Chillerís

d) Data required for the selection of Chillerís

e) Location of Chillerís


Top ASSIGNEMENT:

Preparation of Civil Drawings

Location of machines on drawings.

Location of chillerís on Roof Top.


Top PIPE SIZING AND PUMP SELECTION

a) Selection Drawings @ pump room

b) Selection Drawings @ chillerís

c) introduction to various fittings associated with pump Chillerís, (AHUís), (FCUís)

d) Pipe sizing @ Roof, Floor, Risers, Pipe Materials

e) Pump head calculations


Top DUCT SIZING

Duct definition and purpose

Shape of the duct (Round / Rectangular)

ē Velocity Method

ē Equal Friction Method

ē Static Regain Method

a) Aspect ratio (Width & Height)

b) Duct sizing using DUCTULATOR / CHARTS / TABLES / SOFTWARES

c) SINGLE LINE DIAGRAM PREPARATION


Top COST  ESTIMATION METHOD

a) Cost of the Machines

b) Cost of the Chillerís

c) Cost of the Pipeís

d) Cost of the Duct (GI * SHEETS) etc.

 
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