Clean Room Hvac Design Guide

They should be computed by an hvac cleanroom expert as many aspects must be taken into consideration such as the size of the room the number of people in the room the equipment in the room the processes involved the heat gain etc. The hvac system requirements include. The above suggested air changes per hour are only a design rule of thumb.

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Supplying airflow in sufficient volume and cleanliness to support the cleanliness rating of the room.

Clean room hvac design guide.

2 the hvac system the integrity of the cleanroom environment is created by the pressure differential compared with adjacent areas through heating ventilation and air conditioning system. 100 outside air delivery to plenum temperature and humidity control of make up air 6 units each sized for 30 000 cfm make up air flow is 5 cfm sf or 25 ach. Ashrae clean spaces technical committee tc9 11 chairman 07 10 healthcare facilities technical committee tc9 6 member laboratory systems technical committee tc9 10 member iest working group cc012 cleanroom design chairman president. The ashrae design guide for cleanrooms offers a practical comprehensive approach to cleanroom theories fundamentals performance control testing and industrial applications.

November 1 2017. Hvac design clean room make up air ahus. 40 units each sized for 24 000 cfm. This course will consist of two segments.

Book a call to discuss your project. Introducing air in a manner to prevent stagnant areas where particles could accumulate. They should be computed by an hvac cleanroom expert as many aspects must be taken into consideration such as the size of the room the number of people in the room the equipment in the room the processes involved the heat gain etc. Supplying airflow in sufficient volume and cleanliness to support the cleanliness rating of the room.

It offers an approachable technical perspective to designers builders owners and operators of cleanrooms. The 4 important air conditioning design considerations for clean room system design are. May 1 2019 rev. Clean air flow out to lower pressure areas laminar flow moves particles to the air returns efficiently and quickly suppress contaminates cleaning maintenance daily weekly monthly hvac and filter maintenance materials equipment approved materials and equipment design protocols.

The above suggested air changes per hour are only a design rule of thumb. Hvac systems design fundamentals karachi pakistan february 22 2011 wei sun p e. The first will discuss the fundamentals of cleanrooms and hvac systems design including the classifications of cleanrooms cleanroom iso standards design and testing guidelines by ashrae and nebb particulate sources from indoor and outdoor and their impacts on cleanroom air cleanliness.