confuse with air flow rate in air loop hvac

asked 2019-03-19 09:16:30 -0600

xzb86 gravatar image

updated 2019-03-20 09:23:33 -0600

I simulated a full fresh air system. when I check the air flow of system node. I was confused with the result. I thought all the air flow of the nodes should be same, but I got 3 different result in one loop

can anyone tell me why this happen, and how to control the DOAS supply fan outlet as fraction schedule(not on/off)?

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