[Dsg-rich] RICH cooling system instability

Valery Kubarovsky vpk at jlab.org
Mon Aug 6 10:32:57 EDT 2018


Hi Tylor, 
I observe some instability in the RICH cooling system. Please take a look to the log entry 

https://logbooks.jlab.org/entry/3584390 

It is happening around 12:00. The temperature increase is obviously connected with the change in the 
airflow1 and airflow2, as well as with the change in the airpr1. As a result we got interlock signal from sensor temp4 and temp11. 

Could you please take a more careful look. 
Thank you, 
Valery 

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