Hello everyone,
Do you know if there is a minimum percentage of outdoor air for rooftops? For example, if after calculating the supply air flow and outdoor air, the percentage of outdoor air is 5%. Is it possible for the roof to provide that percentage of outdoor air or less? Is there a problem...
Hi everyone,
I'd like to hear your ideas and thoughts about the differences between DOAS and MUA's, and when each should be used.
It's clear to me that a DOAS generally supplies oudoor air to AHU's, fan coils, VRF evaporators, heat pumps, etc. In turn, a DOAS helps to cool, dehumidify the...
If you have a chilled water system with only primary pumps serving a tall building. Also, the expansion tank is located at the top of the building.
How would the maximum working pressure be affected in the following arrangements?:
a. Locating the pumps on the first floor
b. Locating the pumps...
Hello everyone,
I am new to forums, I hope you can help me solve a question that I have had for a long time, which is not directly found in books or websites.
I have a variable primary chilled water system as you can see in the attached image, it's just a small sketch. Don't pay too much...
