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Hvac Systems Packaged

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This is about Packages air condition system its basics and applications
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  HVAC SYSTEMS UNIT-2 BUILDING SERIVCES AND INTERGRATION - I  PACKAGED AIR CONDITIONING Packaged HVAC systems consists of pre-assembled, off-the-shelf equipment that provided space heating, cooling and ventilation to small and medium spaces. These units are used commonly in places like restaurants, telephone exchanges, rooms, small halls, etc. AIR CONDITIONING SYSTEMS WINDOW AND SPLIT AIR CONDTIONERS PACKAGED AIR CONDITIONER CENTRAL AIR CONDTIONING UP TO 5 TONS BEYOND 20 TONS 3,5,7,10,15 TONS  PACKAGED AIR CONDITIONING In packaged air conditioners all the important components of the air conditioners are enclosed in a single casing like window AC. The conditioned air are transferred to the space to be conditioned through ducting which is usually hidden in the ceiling and wall of the building. The unit is placed outside the house, a special room in a building or even on top of a roof.  PACKAGED AIR CONDITIONING Components   Compressor   usually hermetic or semi-hermetic type for operation on 380/400 Volts 3 Phase is used. Water-cooled or Air-cooled condenser.   Electrical Panel.   Thermostatic Expansion Valve.   Air Filter.   Front Panel & Return Air Grill.   Evaporator Coil.   Evaporator Fan And Housing.   Heating and Humidifying Components  may be included in the unit. Dehumidification is needed for cooling mode during summer and Humidification for heating mode during winter.
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