Hi Matthys, That's good.
Could you detect any leaks (should leave an oily residue)? Also, did you witness the condenser fans outside going on? Best regards, William On 19 Dec 2014 9:40 AM, "Matthys Maree" <[email protected]> wrote: > OK, I try to push in some gas into system. > > Seems to be cooling now. > > > > I did turn on all that I could manually from inside the Paper Container. > > I will monitor for a while today to see if it manage to keep things cool > inside. > > > > Groete > > > > *Matthys Maree* > > *SKA* South Africa – Carnarvon > > > > *Tel: 021 506 7300 <021%C2%A0506%207300> ext.#1035 (Carnarvon, > Klerefontein)* > > *Web : www.ska.ac.za <http://www.ska.ac.za>* > > > > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *danny jacobs > *Sent:* 18 December 2014 05:53 PM > *To:* PAPER List > *Subject:* Fwd: Cooling > > > > > > ---------- Forwarded message ---------- > From: *Matthys Maree* <[email protected]> > Date: Thu, Dec 18, 2014 at 8:12 AM > Subject: RE: Cooling > To: danny jacobs <[email protected]> > > OK Danny > > > > I will only be on site tomorrow again, and try to see if I can get it cool > again. > > Lets hope it is something easy. > > > > > > Groete > > > > *Matthys Maree* > > *SKA* South Africa – Carnarvon > > > > *Tel: 021 506 7300 <021%C2%A0506%207300> ext.#1035 (Carnarvon, > Klerefontein)* > > *Web : www.ska.ac.za <http://www.ska.ac.za>* > > > > *From:* danny jacobs [mailto:[email protected]] > *Sent:* 18 December 2014 04:11 PM > *To:* Matthys Maree > *Cc:* PAPER List > *Subject:* Re: Cooling > > > > Danke Matthys! > > > > We don't have auto-shutdown on all racks partly because we can't bring it > back remotely and partly because the temperature box is not in the power > control loop. The ideal situation would turn off everything but a core of > absolute necessities (paper1, the switch, and the nti box are my first > choices). We'll look at our heat budget and try to come up with a 90% > shutdown solution. > > > > If you can turn on the three things I mentioned, we'll be able to monitor > the temperatures remotely. > > > > Thanks, > > ~Danny > > > > On Thu, Dec 18, 2014 at 4:34 AM, Matthys Maree <[email protected]> wrote: > > Hi > > > > I still struggled to get the PAPER container temperature below 40degC, and > had to turn off all racks. We still did not find the problem on the > cooling units. > > I will attempt to re-gas this unit tomorrow when I have the required > gauges and stuff, and hopefully it will run for a while. > > > > This might be risky, because our staff will be away for most of the time > between 24th Des and 5th Jan, and now that we know this unit is not 100%. > > > > Is it possible to implement an auto shutdown of all rack when air temp > reach a certain value? > > This work pretty well on one of our other containers. > > > > Let’s see how things go tomorrow, and I will keep you up to date on my > progress and findings. > > > > > > Groete > > > > *Matthys Maree* > > *SKA* South Africa – Carnarvon > > > > *Tel: 021 506 7300 <021%C2%A0506%207300> ext.#1035 (Carnarvon, > Klerefontein)* > > *Web : www.ska.ac.za <http://www.ska.ac.za>* > > > > > > > -- > > > National Science Foundation Fellow > Arizona State University > School of Earth and Space Exploration > Low Frequency Cosmology > Phone: (505) 500 4521 > Homepage: http://loco.lab.asu.edu/danny_jacobs/ > > > > > -- > > > National Science Foundation Fellow > Arizona State University > School of Earth and Space Exploration > Low Frequency Cosmology > Phone: (505) 500 4521 > Homepage: http://loco.lab.asu.edu/danny_jacobs/ >
