[Dsg-rich] RICH air cooling

[Valery Kubarovsky]

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