View Full Version : chiller room exhaust fan sizing
09-20-2010, 07:25 AM
I need some help sizing a ventalation exhaust fan for a chiller/pump room. I have been told it should be sized based on amount of refrigerant in chiller? Something like 3 cfm per lb of refrigerant. Or should it be based simply on X number of air changes per hour.
09-20-2010, 06:15 PM
There is a calculation based on total charge. Do a search on the ASHRAE site for more details.
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