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What are the Sequence control methods of multiple chiller plants?

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Question ajoutée par tarik zaki mohamed mustafa ramadan , BMS and UPS Application Engineering Manager , Elserafy Engineering LLC
Date de publication: 2017/05/08
Ahmed Aqra
par Ahmed Aqra , Senior Automation Engineer , Modern Times Technical Systems, Jeddah - Saudi Arabi

main header return chilled water temperature along with Water flow meter reading on bypass line for sequencing down, main header supply chilled water temperature along with Water flow meter reading on bypass line for sequencing up. flow meter could be replaced with chiller Full load %.

Imad Melhem Zghaib
par Imad Melhem Zghaib , Senior Mechanical Engineer./ MEP Manager/ Coordinator , GHD Global

The sequence is to have Chiller plants controllers that will operate the n=1 circuits depending on main header return chilled water temperature from chiller primary loop

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