Transcription of INTRODUCTION: HVAC BASICS
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INTRODUCTION: HVAC BASICS
IPI s Methodology for Implementing Sustainable Energy-Saving Strategies in Collections Environments (2017)9 hvac BASICSINTRODUCTION:Air Handling SystemComponents/Layout:DampersFilters Cooling Coil heating Coil Humidifier Supply Fan Diffusers Return Fan Air Flow:Air enters the system from the outside through an air duct and is mixed just before the filters with return air from the space. The mixed air is pulled through a set of filters (B) where impurities like particulates and gaseous pollutants are removed. As the air moves forward, it passes over a set of cooling coils (C), where the air is cooled, and depending on the dew point of the passing air, may be dehumidified. The air then passes over a set of heating coils (D) where it is heated to the required temperature if necessary.
Heating Coil Humidifier Supply Fan Return Fan Preheat Coils Air Flow: This system is a standard air handling unit that utilizes a preheat coil (H). This coil should only operate during the winter months, if the outside air is below freezing. The goal of …
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