Refrigeration machinery room ventilation

[robinxie]

According to CSA B52 clause 7.10, the room ventilation required to exhaust is based on the system refrigeration charges. What I know now is the HP of the ammonia compressor. How could I estimate the exhaust fan flow rate?

Thanks ahead.

 

[imok2]

Try this:

http://www.xpedio.carrier.com/idc/groups/public/documents/marketing/analysis0101.pdf