[Esr-users] High back pressure on warm return

[Jonathan Creel]

Facilities is investigating to determine what happened.
J

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________________________________
From: Esr-users <esr-users-bounces at jlab.org> on behalf of Steven Lassiter <lassiter at jlab.org>
Sent: Saturday, February 6, 2021 11:20:37 AM
To: Chris Perry <cperry at jlab.org>; esr-users at jlab.org <esr-users at jlab.org>
Subject: Re: [Esr-users] High back pressure on warm return

looks likes it happened twice
Not too bad on the back pressure
Steven

[cid:dffc7942-c11e-4453-8034-e975d1af9068]
________________________________
From: Esr-users <esr-users-bounces at jlab.org> on behalf of Chris Perry <cperry at jlab.org>
Sent: Saturday, February 6, 2021 10:59 AM
To: esr-users at jlab.org <esr-users at jlab.org>
Subject: [Esr-users] High back pressure on warm return

At about 7:13 am, the ESR Instrument Air compressors tripped off, this led to the depressurization of the air system and caused PV60DLP to go to its failed closed position, this shut off the flow path to recovery from warm return, causing the halls to pressurize.   Warm return has been switched to the ESR main compressor suction which allows an open path to recovery suction.  We will stay in this configuration until the air compressor issue has been remedied.

-Chris Perry
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