Supplying airflow in sufficient volume and cleanliness to support the cleanliness rating of the room.
Clean room hvac design guide.
Hvac systems design fundamentals karachi pakistan february 22 2011 wei sun p e.
The construction temperature humidity air flow patterns and pressure are controlled in such a way as to minimise the introduction generation and.
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.
A cleanroom is a room or space in which the level of particulate contamination is controlled within set levels.
Learning points include standards and classifications p.
The ashrae design guide for cleanrooms offers a practical comprehensive approach to cleanroom theories fundamentals performance control testing and industrial applications.
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.
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.
Introducing air in a manner to prevent stagnant areas where particles could accumulate.
For example some regions in winter the hvac systems need to take the outside air at 22 f 30 c warm it up to 68 f 20 c remove the humidity and bring it into the room over and over.
What is a cleanroom.
A guide to hvac systems design.
Wei sun president of engsysco covers a variety of topics in the cleanroom hvac design webinar.
Hvac design clean room make up air ahus.
The precision level required.
Last but certainly not least the degree of precision you need will also influence the design of the hvac system.
The hvac system requirements include.
A guide to cleanroom design.
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.
The above suggested air changes per hour are only a design rule of thumb.
40 units each sized for 24 000 cfm.
