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WELCOME TO THE
       WORLD
         OF
        HVAC

            FROM
BUCC (HVAC)-MR. NEERAJ SHUKLA
        L&T (ECC) LTD.
WHAT IS HVAC ?
       H- HEATING

       V- VENTILATION

       AC- AIR CONDITIONING
Few People think that HVAC is all
 about Luxury , Waste of money
              and
        Valuable Energy.
      BUT……………..!!
Of Course,
    It is the RIGHT of every
individual to live in comfort and
   HVAC is committed for it.
              ALSO,
  HVAC serves the Industrial
   Segment to great extent.
VARIOUS APPLICATIONS
         OF
  AIR CONDITIONING

            SHOPPING MALLS
            AUDITORIUMS & THEATRES
            HOSPITALS
            HOTELS AND RESTAURENTS
            OFFICES
            COMMERCIAL COMPLEX
            LUXURY APPARTMENTS
            INFOTECH PARKS
            PHARMA INDUSTRY
            TELECOM INDUSTRY
            AND MANY MORE………!!
WHAT IS TR ?

1 TR IS AMOUNT OF HEAT TO BE EXTRACTED
FROM THE ATMOSPHERE FOR MELTING ONE
          METRIC TON OF ICE IN
              24 HOURS.


ONE TON OF REFRIGERATION (TR) EQUALS
         TO 12000 BTU/HR. OR
            3025 KCAL/HR.
WHAT WE ARE GOING TO
      LEARN?
          FUNCTIONS OF HVAC
          BASIC OPERATING CYCLE
          CLASSIFICATION OF AC SYSTEMS
          ABOUT VARIOUS AC SYSTEMS
          STEPS INVOLED IN DECIDING THE
           SYSTEM
          ABOUT HEAT LOAD
          TYPES OF COMPRESSORS
          ABOUT AC EQIPMENT
          ABOUT AIR DISTRIBUTION SYSTEM
          ABOUT VENTILATION
          RECENT TRENDS IN HVAC INDUSTY
FUNCTIONS OF HVAC
   CONTROL OF AIR TEMPERATURE.

   CONTROL OF MOISTURE CONTENT IN THE
    AIR.

   PROPER AIR MOVEMENT.

   TO HOLD THE AIR CONTAMINATION
    WITHIN ACCEPTABLE LIMITS.
BASIC COMPONENTS OF
  AIR CONDITIONING
         COMPRESSOR

         CONDENSER

         THROTTLING DEVICE

         EVAPORATOR
BASIC OPERATION CYCLE
ABOUT VARIOUS AC
    SYSTEMS
VARIOUS AC SYSTEMS
VARIOUS AC SYSTEMS

               SPLIT UNITS

               WINDOW AC

               PACKAGE
                UNITS
WINDOW AC
DUCTABLE SPLIT UNITS
PACKAGE TYPE UNITS
DX SYSTEM
CHILLED WATER SYSTEM
VARIOUS AC SYSTEMS
(CHILLED WATER AIR WASHER SYSTEM)
AIR FLOW PATTERN
SYSTEM SELECTION
STEPS INVOLVED IN
      DECIDING THE SYSTEM
   CALCULATION OF COOLING LOAD
    REQUIREMENT
   SELECTION OF TECHNO-ECONOMICAL SYSTEM
   SELECTION OF EQUIPMENT
   DESIGNING AIR DISTRIBUTION SYSTEM
   DESIGNING WATER DISTRIBUTION SYSTEM
   EVALUATION OF SYSTEM TO BE USED
IMPORTANT FACTORS FOR CALCULATION
   OF COOLING LOAD REQUIREMENT

       USE   OF SPACE
       PHYSICAL    DIMENSION OF SPACE
       CEILING   HEIGHT
       CONSTRUCTION       MATERIAL
       INSIDE   ROOM DESIGN CONDITIONS
       AMBIENT    CONDITIONS
       GLASS    AREA EXPOSED TO SUN
       OCCUPANCY

       LIGHTING    LOAD
       EQUIPMENT    LOAD
       FRESH    AIR REQUIREMENT
       INFILTRATION     OF OUTSIDE AIR
FACTORS AFFECTING THE
  SYSTEM SELECTION
          BUDGET OF CLIENT
          NEED OF CLIENT
          USE OF SPACE
          AESTHETICS
          FLOOR LAYOUT
          DEPTH OF BEAM
          LOCATION OF COLUMNS
          POWER AVAILABILITY
          WATER AVAILABILITY
          SPACE FOR SERVICING
TYPES OF CHILLERS
       AND
  COMPRESSORS
TYPES OF CHILLERS
         AIR COOLED TYPE




         WATER COOLED TYPE
TYPES OF COMPRESSORS
 RECIPROCATING TYPE
 ROTARY TYPE
 SCROLL TYPE
 SCREW TYPE
 CENTRIFUGAL TYPE
ENVIRONMENT-FRIENDLY
    REFRIGERANTS

          R-134a
          R-123
          R-407C
          R- 410A
          R-22 (phase out on 2040)
ABOUT VARIOUS HVAC
    EQUIPMENT
COMMONLY USED
  EQUIPMENT
         AIR HANDLING
          UNIT



         FAN COIL UNIT




         COOLING TOWER
COMMONLY USED EQUIPMENT
          (AIR HANDLING UNIT)
   AHU IS THE EQUIPMENT WHICH PUMPS THE DESIGNED
    QUANTITY OF DEHUMIDIFIED AIR TO RESPECTIVE AREAS
    BY MEANS OF DUCTING.

    BASIC AIR HANDLING UNIT (AHU) CONSISTS OF:-
    a)FAN SECTION WITH CENTRIFUGAL FAN AND
     MOTOR
    b)COIL SECTION WITH COIL
    c)FILTER SECTION WITH FILTERS

   TYPES OF AIR HANDLING UNITS (AHU)
          a) SINGLE SKINNED AHU
          b) DOUBLE SKINNED AHU
COMMONLY USED EQUIPMENT
            (AIR HANDLING UNIT)
   DEPENDING ON SPACE AVAILABILITY FOR AHU , THE AHUs
    ARE CLASSIFIED AS UNDER:-

                            a) HORIZONTAL TYPE
                               FLOOR MOUNTED UNIT




                            b) VERTICAL TYPE
                               FLOOR MOUNTED UNIT



                            c) CEILING SUSPENDED UNIT
COMMONLY USED EQUIPMENT
         (AIR HANDLING UNIT)

   TYPE OF AHU DEPENDING UPON LOCATION OF FAN:-

          a) DRAW THROUGH TYPE:-
            FAN IS LOCATED AFTER COOLING COIL



           b) BLOW THROUGH TYPE:-
            FAN IS LOCATED BEFORE COOLING COIL
COMMONLY USED EQUIPMENT
        (AIR HANDLING UNIT)
   FOLLOWING ACCESSORIES CAN BE
    INCORPORATED IN AHU AS PER SYSTEM
    REQUIREMENT :-

    a)HUMIDIFIER
    b)HEATERS
    c)HOT WATER COIL
    e)RETURN AIR BOX
    f) PLENUM FOR FINE AND HEPA FILTERS
    g) HEAT RECOVERY WHEEL
TYPES OF COOLING
          TOWERS

   NATURAL DRAFT TYPE

   INDUCED DRAFT TYPE

   FORCED DRAFT TYPE
TYPES OF COMMONLY USED PUMPS
              MONOBLOCK TYPE

              VERTICAL SPLIT
               CASE TYPE

              HORIZONTAL SPLIT
               CASE TYPE

              IN-LINE TYPE
COMMOMNLY USED
        MATERIALS FOR
         INSULATION
   EXPANDED POLYSTYRENE
    (THERMACOLE)
   EXPANDED POLYETHELENE
   POLYURETHANE FOAM SECTIONS
   FIBRE GLASS WOOL
   NITRILE RUBBER
   PHENOTHERM
   ROCK WOOL
ABOUT DUCTING AND
  ACCESSORIES
TYPES OF DUCTING


A)FACTORY FABRICATED DUCTS




B)SITE FABRICATED DUCTS
FACTORY FABRICATED DUCTS
DUCTING ACCESSORIES
TYPES OF GRILLS AND
    DIFFUSERS
           CONTINUOUS GRILLS


            LINEAR GRILLS
            (ADJUSTABLE TYPE)


           DIFFUSERS
ABOUT CHILLED WATER
        AND
 CONDENSOR WATER
      CIRCUIT
SCHEMATIC DIAGRAM FOR CHILLED
         WATER LINE
SCHEMATIC DIAGRAM FOR CONDENSOR
            WATER LINE
ABOUT
VENTILATION….
VENTILATION SYSTEM
APPLICATIONS OF VENTILATION SYSTEM
 KITCHENS
 TOILETS
 CAR PARK AT BASEMENTS
 FACTORIES
 CHEMICAL INDUSTRIES
 PHARMA INDUSTRIES
TYPES OF FANS USED FOR
     VENTILATION
   CENTRIFUGAL FANS:-
        a)FORWARD CURVED
        b)BACKWARD CURVED

   AXIAL FLOW FANS:-
        a) PROPELLER TYPE
        b) TUBE AXIAL TYPE
        c) VANE AXIAL TYPE
ENERGY SAVING
       IN
HVAC INDUSTRY
ENERGY SAVING

   GLOBAL AWARENESS TOWARDS ENERGY
    SAVINGS IS REFLECTED IN HVAC INDUSTRY.



   ENERGY EFFICIENT EQUIPMENT ARE NEED OF
    THE INDUSRTY.
ENERGY SAVING EQUIPMENT
             VAPOUR ABSORPTION
              MACHINES



             VARIABLE REFRIGERANT
              VOLUME SYSTEM



             HEAT RECOVERY WHEELS



             VARIABLE FREQUENCY
              DRIVES



             THERMAL STORAGE SYSTEM
HVAC IS COMMITTED TO :


  PROVIDE   MAXIMUM CONFORT TO HUMAN BEING




     TO SATISFY THE INDUSTRIAL NEEDS
THANK YOU

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Hvac presentation for beginers

  • 1. WELCOME TO THE WORLD OF HVAC FROM BUCC (HVAC)-MR. NEERAJ SHUKLA L&T (ECC) LTD.
  • 2. WHAT IS HVAC ?  H- HEATING  V- VENTILATION  AC- AIR CONDITIONING
  • 3. Few People think that HVAC is all about Luxury , Waste of money and Valuable Energy. BUT……………..!!
  • 4. Of Course, It is the RIGHT of every individual to live in comfort and HVAC is committed for it. ALSO, HVAC serves the Industrial Segment to great extent.
  • 5. VARIOUS APPLICATIONS OF AIR CONDITIONING  SHOPPING MALLS  AUDITORIUMS & THEATRES  HOSPITALS  HOTELS AND RESTAURENTS  OFFICES  COMMERCIAL COMPLEX  LUXURY APPARTMENTS  INFOTECH PARKS  PHARMA INDUSTRY  TELECOM INDUSTRY  AND MANY MORE………!!
  • 6. WHAT IS TR ? 1 TR IS AMOUNT OF HEAT TO BE EXTRACTED FROM THE ATMOSPHERE FOR MELTING ONE METRIC TON OF ICE IN 24 HOURS. ONE TON OF REFRIGERATION (TR) EQUALS TO 12000 BTU/HR. OR 3025 KCAL/HR.
  • 7. WHAT WE ARE GOING TO LEARN?  FUNCTIONS OF HVAC  BASIC OPERATING CYCLE  CLASSIFICATION OF AC SYSTEMS  ABOUT VARIOUS AC SYSTEMS  STEPS INVOLED IN DECIDING THE SYSTEM  ABOUT HEAT LOAD  TYPES OF COMPRESSORS  ABOUT AC EQIPMENT  ABOUT AIR DISTRIBUTION SYSTEM  ABOUT VENTILATION  RECENT TRENDS IN HVAC INDUSTY
  • 8. FUNCTIONS OF HVAC  CONTROL OF AIR TEMPERATURE.  CONTROL OF MOISTURE CONTENT IN THE AIR.  PROPER AIR MOVEMENT.  TO HOLD THE AIR CONTAMINATION WITHIN ACCEPTABLE LIMITS.
  • 9. BASIC COMPONENTS OF AIR CONDITIONING  COMPRESSOR  CONDENSER  THROTTLING DEVICE  EVAPORATOR
  • 11. ABOUT VARIOUS AC SYSTEMS
  • 13. VARIOUS AC SYSTEMS  SPLIT UNITS  WINDOW AC  PACKAGE UNITS
  • 19. VARIOUS AC SYSTEMS (CHILLED WATER AIR WASHER SYSTEM)
  • 22. STEPS INVOLVED IN DECIDING THE SYSTEM  CALCULATION OF COOLING LOAD REQUIREMENT  SELECTION OF TECHNO-ECONOMICAL SYSTEM  SELECTION OF EQUIPMENT  DESIGNING AIR DISTRIBUTION SYSTEM  DESIGNING WATER DISTRIBUTION SYSTEM  EVALUATION OF SYSTEM TO BE USED
  • 23. IMPORTANT FACTORS FOR CALCULATION OF COOLING LOAD REQUIREMENT USE OF SPACE PHYSICAL DIMENSION OF SPACE CEILING HEIGHT CONSTRUCTION MATERIAL INSIDE ROOM DESIGN CONDITIONS AMBIENT CONDITIONS GLASS AREA EXPOSED TO SUN OCCUPANCY LIGHTING LOAD EQUIPMENT LOAD FRESH AIR REQUIREMENT INFILTRATION OF OUTSIDE AIR
  • 24. FACTORS AFFECTING THE SYSTEM SELECTION  BUDGET OF CLIENT  NEED OF CLIENT  USE OF SPACE  AESTHETICS  FLOOR LAYOUT  DEPTH OF BEAM  LOCATION OF COLUMNS  POWER AVAILABILITY  WATER AVAILABILITY  SPACE FOR SERVICING
  • 25. TYPES OF CHILLERS AND COMPRESSORS
  • 26. TYPES OF CHILLERS  AIR COOLED TYPE  WATER COOLED TYPE
  • 27. TYPES OF COMPRESSORS  RECIPROCATING TYPE  ROTARY TYPE  SCROLL TYPE  SCREW TYPE  CENTRIFUGAL TYPE
  • 28. ENVIRONMENT-FRIENDLY REFRIGERANTS  R-134a  R-123  R-407C  R- 410A  R-22 (phase out on 2040)
  • 29. ABOUT VARIOUS HVAC EQUIPMENT
  • 30. COMMONLY USED EQUIPMENT  AIR HANDLING UNIT  FAN COIL UNIT  COOLING TOWER
  • 31. COMMONLY USED EQUIPMENT (AIR HANDLING UNIT)  AHU IS THE EQUIPMENT WHICH PUMPS THE DESIGNED QUANTITY OF DEHUMIDIFIED AIR TO RESPECTIVE AREAS BY MEANS OF DUCTING.  BASIC AIR HANDLING UNIT (AHU) CONSISTS OF:- a)FAN SECTION WITH CENTRIFUGAL FAN AND MOTOR b)COIL SECTION WITH COIL c)FILTER SECTION WITH FILTERS  TYPES OF AIR HANDLING UNITS (AHU) a) SINGLE SKINNED AHU b) DOUBLE SKINNED AHU
  • 32. COMMONLY USED EQUIPMENT (AIR HANDLING UNIT)  DEPENDING ON SPACE AVAILABILITY FOR AHU , THE AHUs ARE CLASSIFIED AS UNDER:- a) HORIZONTAL TYPE FLOOR MOUNTED UNIT b) VERTICAL TYPE FLOOR MOUNTED UNIT c) CEILING SUSPENDED UNIT
  • 33. COMMONLY USED EQUIPMENT (AIR HANDLING UNIT)  TYPE OF AHU DEPENDING UPON LOCATION OF FAN:- a) DRAW THROUGH TYPE:- FAN IS LOCATED AFTER COOLING COIL b) BLOW THROUGH TYPE:- FAN IS LOCATED BEFORE COOLING COIL
  • 34. COMMONLY USED EQUIPMENT (AIR HANDLING UNIT)  FOLLOWING ACCESSORIES CAN BE INCORPORATED IN AHU AS PER SYSTEM REQUIREMENT :- a)HUMIDIFIER b)HEATERS c)HOT WATER COIL e)RETURN AIR BOX f) PLENUM FOR FINE AND HEPA FILTERS g) HEAT RECOVERY WHEEL
  • 35. TYPES OF COOLING TOWERS  NATURAL DRAFT TYPE  INDUCED DRAFT TYPE  FORCED DRAFT TYPE
  • 36. TYPES OF COMMONLY USED PUMPS  MONOBLOCK TYPE  VERTICAL SPLIT CASE TYPE  HORIZONTAL SPLIT CASE TYPE  IN-LINE TYPE
  • 37. COMMOMNLY USED MATERIALS FOR INSULATION  EXPANDED POLYSTYRENE (THERMACOLE)  EXPANDED POLYETHELENE  POLYURETHANE FOAM SECTIONS  FIBRE GLASS WOOL  NITRILE RUBBER  PHENOTHERM  ROCK WOOL
  • 38. ABOUT DUCTING AND ACCESSORIES
  • 39. TYPES OF DUCTING A)FACTORY FABRICATED DUCTS B)SITE FABRICATED DUCTS
  • 42. TYPES OF GRILLS AND DIFFUSERS  CONTINUOUS GRILLS  LINEAR GRILLS (ADJUSTABLE TYPE)  DIFFUSERS
  • 43. ABOUT CHILLED WATER AND CONDENSOR WATER CIRCUIT
  • 44. SCHEMATIC DIAGRAM FOR CHILLED WATER LINE
  • 45. SCHEMATIC DIAGRAM FOR CONDENSOR WATER LINE
  • 47. VENTILATION SYSTEM APPLICATIONS OF VENTILATION SYSTEM  KITCHENS  TOILETS  CAR PARK AT BASEMENTS  FACTORIES  CHEMICAL INDUSTRIES  PHARMA INDUSTRIES
  • 48. TYPES OF FANS USED FOR VENTILATION  CENTRIFUGAL FANS:- a)FORWARD CURVED b)BACKWARD CURVED  AXIAL FLOW FANS:- a) PROPELLER TYPE b) TUBE AXIAL TYPE c) VANE AXIAL TYPE
  • 49. ENERGY SAVING IN HVAC INDUSTRY
  • 50. ENERGY SAVING  GLOBAL AWARENESS TOWARDS ENERGY SAVINGS IS REFLECTED IN HVAC INDUSTRY.  ENERGY EFFICIENT EQUIPMENT ARE NEED OF THE INDUSRTY.
  • 51. ENERGY SAVING EQUIPMENT  VAPOUR ABSORPTION MACHINES  VARIABLE REFRIGERANT VOLUME SYSTEM  HEAT RECOVERY WHEELS  VARIABLE FREQUENCY DRIVES  THERMAL STORAGE SYSTEM
  • 52. HVAC IS COMMITTED TO : PROVIDE MAXIMUM CONFORT TO HUMAN BEING  TO SATISFY THE INDUSTRIAL NEEDS