Why we install 2-way Valve or PIV on Return Line for AHU and FCU?

Question added by ahmed gamal fathi amin , Senior Mechanical Engineer , Saudi Bin Laden Group
Date Posted: 2017/10/19

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by Ahmad Hisham Almasri , Sr. MECHANICAL ENGINEER , HDP overseas

to control the flow inside the coil of the AHU OR FCU as per the cooling load

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