[Dsg-rich] RICH air cooling

[Marco Mirazita]

Here:
https://logbooks.jlab.org/entry/3514198


Il 2018-01-15 16:35 Valery Kubarovsky ha scritto:
> Marco,
> Could you please post the oscillation of the air pressure today
> morning in more detail?
> Thanks,
> Valery
> 
> -------------------------
> 
>> FROM: "Marco Mirazita" <Marco.Mirazita at lnf.infn.it>
>> TO: "Valery Kubarovsky" <vpk at jlab.org>
>> CC: "dsg-rich" <dsg-rich at jlab.org>
>> SENT: Monday, January 15, 2018 3:38:45 PM
>> SUBJECT: Re: [Dsg-rich] RICH air cooling
> 
>> 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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