Second chiller strange performance

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Second chiller strange performance

Postby Ha_Aria » Thu Nov 29, 2018 6:16 pm

Hello All,

I have 2 chillers in my chilled water plant loop. These two chillers are identical and they are connected to same condenser loop. Chiller 1 has the first priority in the plant equipment operation and it is work without problems. the chillers 2 with second priority and loop load distribution of sequential works really strange. the chiller 2 has design loop exit temperature of 6 C and Setpoint manager with scheduled always 6 C on supply water. However, the results show supply water temperature varies between 10 to 20 C. I dont understand why chiller 2 does not follow the setpoint manager for supply water temperature.

I appreciate any help or idea to make it work properly

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