[Dsg-rich] RICH cooling system instability

[Valery Kubarovsky]

Thank you Peter! 

I switched the detector ON to monitor the RICH parameters. 

Regards, 
Valery 

> From: "Peter Bonneau" <bonneau at jlab.org>
> To: "Valery Kubarovsky" <vpk at jlab.org>, "Tyler Lemon" <tlemon at jlab.org>
> Cc: "dsg-rich" <dsg-rich at jlab.org>, "Marco Mirazita"
> <marco.mirazita at lnf.infn.it>
> Sent: Monday, August 6, 2018 3:00:42 PM
> Subject: Re: [Dsg-rich] RICH cooling system instability

> Hi Valery,

> DSG is looking into this issue.

> I've checked the Hardware Interlock system and it's running normally.

> Mark and George are investigating the compressor for the drop in flow and
> pressure that occurs around 12:00.

> Peter

> On 8/6/2018 10:32 AM, Valery Kubarovsky wrote:

>> 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

>> _______________________________________________
>> Dsg-rich mailing list Dsg-rich at jlab.org
>> https://mailman.jlab.org/mailman/listinfo/dsg-rich
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