VENTILATION ASPECTS OF INDOOR AIR QUALITY

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Presentation transcript:

VENTILATION ASPECTS OF INDOOR AIR QUALITY

DILUTION VENTILATION FOR INDOOR AIR QUALITY In 1989 the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) developed and adopted ASHRAE 62-1989, “Ventilation for Acceptable Indoor Air Quality”. Refer to section 8.2 in the text book to learn various considerations ASHRAE considered to establish the standards.

HVAC COMPONENTS AND SYSTEM TYPES While considering the ventilation aspects of HVAC systems, the type of system and its component should be reviewed in order to assess the potential sources of complaints regarding indoor air quality. For detailed description of the various components refer to section 8.3.1 in the text book.

TYPES OF SYSTEMS The different types of HVAC systems are single duct systems, dual-duct systems, multi-zone systems and special systems. Selection of the type of the system will be based on the requirements to be met. For details of various systems refer to section 8.3.2 in the text book.

HVAC COMPONENTS, FUNCTIONS AND MALFUNCTIONS Various factors such as outdoor air, dampers, air cleaning are taken into consideration. For detailed description of various factors refer to section 8.4 in the text book.

HVAC COMPONENT SURVEY OUTLINE Monitoring the IAQ within a building can be done by - office individual - building maintenance department - outside environmental firm The assignee should have an outline of the system components in order to conduct the survey. For more details refer to section 8.5 in the text book.