Course Duration in Hours
84
84
Introduction
ASHRAE,ISHRAE,SMACNA,ARI
Definition of Air conditioning, HVAC Application, Project execution (Over view of design and project)
Career opportunities.
Physics used in HVAC
Heat,BTU,Modes of heat transfer.
Unit of refrigeration ,Temperature units, Temperature scales, enthalpy ,Sensible and latent heat ,Vapour compression refrigeration cycle, vapor absorption refrigeration cycle,
Units, System of units , conversions used in HVAC.
Classification of AC
Window AC,Split AC , Ductable AC,Packaged AC, Chillers Air cooled and water cooled, FCUAHUVRF,VRV,Desert cooler,
Complete cycles involved in each machine, capacity range, application, differences etc.
Psychrometric
Introduction , Properties of air,dry bulb temperature , wet bulb temperature , Dew point temperature , humidity ratio , relative humidity,saturated air enthalpy of air ,psychrometric chart , psychrometric analysis ,sensible heat reaction , bye pass factor , contact factor
Survey of buildings
Site inspection , Civil layouts , orientation of building , section heights (BOS,BOB BO F/C);
Physical dimesnsionsm construction materials, Types of fall ceiling , doors and windows locations, no of peple, lighting , appliances etc. Input file.
Load Calculations ( heating & Cooling)
Manual calculation (Sample project), E20 calculations ,CLTD ASHRAE method,Software calculation BLOCK LOAD , HAP.Sources of heat, finding uvalue, heat gain through glass (conduction /radiation), heat gain through sky lights,heat gain through walls (Types of walls), heat gain through roof, heat gain through partitioning , floor,heat gain through ventilation.
Finding ventilation CFM by people and are method , heat gain through infiltration .Infiltration CFM by crack method and air change method. Heat gain through people , heat gain through lighting , heat gain through appliances.
Machine selections
Types of systems, factors affecting machine selection , window air conditioning selection ,Split air conditioning selection , ductable split AC selection , package AC Selection , VRF /VRV selection Chiller selection , selection of air colled chillers , selection of water cooled chillers.
Design of DUCTS(Manual & software)
Introduction to ducting , SMACNA standards, Classification of ducts , Duct material , duct gauge system , duct fittings, duct equipments, aspect ratio , recommended duct hangers distance , duct designing methods, recommended velocity of ducts, Equal friction method, velocity reduction method, static regain method, Exercises , Duct insulation , thermal insulation , Acoustic insulation , material for insulation , duct drafting duct installation.
Air distribution and thermal selections
Condition for good distribution, air pattern , types of air supplying devices, diffuser, spot grill , continuous grill , slot diffuser , ceiling plenum , little damper , butterfly damper ,grill damper , standard sizes for ceiling diffuser, terminal selection , complete planning for low side.
Fan selection
Introduction, types of fan, fan laws, fan performance characteristics, fan selection requirements , loss co efficient , air volume CFM, static pressure, Sound charectarestics, fan selection fan installation ,
Ventilation
Toilet exhaust system , Car parking ventilation system , kitchen exhaust system
Estimation of material requirement with speciafications
No of GI pipes for ducting,guage selection for ducting , No of SAD and RAD , no of VCD with sizes, no of spot grills , continous grill requirements, grill and diffuser dampers requirements,flexible duct requirements, flexible connection.
Design of chilled water pipes (Manual and software)
Series loop , one pipe main , two pipe direct return , two pipe reverse return, three pipe system , four pipe system , material for chill water piping , classification of pipes, chill water pipe designing / sizing, finding velocity ,Chill water pipe sizing manual, using pipe sizer ,floor piping , pipe installation ,chill water pipe insulation ,pipe insulation material ,insulation thickness.
Fittings
Pipe fitting, Machine fitting AHU/FCU fitting , pump fitting , valve selection
Chilled water pump selction
Air conditioning system and equipments
Instrumentation , testing and balancing,
Planning & designing HVAC system ( Class project)
HVAC Drafting - AutoCAD
BTech / BE Mechanical Engineering. Under graduates also can attend and avail the placement.
CAPS ACADEMY, Kaloor (Kochi),Kochi,IN