[Dsg-rich] RICH air cooling

[Marco Mirazita]

Please have a look at this logbook entry
https://logbooks.jlab.org/entry/3513977
Marco


Il 2018-01-15 14:41 Valery Kubarovsky ha scritto:
> Could you please post the time history for pressure and air flow?
> Thanks,
> Valery
> 
>> On Jan 15, 2018, at 14:38, Marco Mirazita <Marco.Mirazita at lnf.infn.it> 
>> wrote:
>> 
>> I don't know exactly what happened. This morning I reduced the air 
>> flow of the line A from 550 to 500 and after a while the air flow and 
>> the pressure started to go up and down.
>> Marco
>> 
>> 
>> Il 2018-01-15 14:31 Valery Kubarovsky ha scritto:
>>> Hi Marco,
>>> Did you investigate what happened?
>>> I saw the drop in the air pressure in the tank. Was compressor on 
>>> when
>>> you were in the Hall?
>>> Valery
>>>> On Jan 15, 2018, at 14:26, Marco Mirazita 
>>>> <Marco.Mirazita at lnf.infn.it> wrote:
>>>> Hi all,
>>>> in the last couple of days we experienced some instability in the 
>>>> RICH air cooling system, resulting in the interlock shutting down 
>>>> the electronics power supply.
>>>> The interlock limits have now been changed to avoid that.
>>>> Since the hall is now open till tomorrow at noon, it would be a good 
>>>> opportunity to check the system.
>>>> Marco
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