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How to calcuate the capacity of 100% chilled water fresh air unit 1

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Micenoch2015

Mechanical
Joined
Mar 21, 2015
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Dear All
please am doing a design for a lab and a workshop with FCU wall mounted and 100% fresh air unit using chilled water,i have considered 10 l/s per person,and 10 l/s per Sq m,and i have arrived at the total L/S required for the whole space,but my issue is how can i get or calculate for the Fresh air unit capacity,because i know it produces some amount of cool air too,i need the method/fomular to calculate the capacity in Kw
 
you need psychro calculation, one formula will not help you.
 
Same way you would your main AHU. You have air at an inlet condition, flow rate and desired leaving condition. Same a any other AHU.
 
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