[3dem] microscope installation

[Paolo Swuec]

Dear Morgan

We are based in Milan (Italy), so they work from 0 to 40 deg Celsius. This is our current setup:


  *   Titan -> water-water chiller
  *   Glacios -> water-water chiller
  *   Aquilos  -> water-water chiller
  *   Spectra  -> air-water chiller
  *   Talos L120C  -> air-water chiller

They all work the same on our site. Initially though, we have put the air-cooled chillers of the Spectra and Talos outside (we were waiting for indoor space to be renovated). During the last summer (min T 28 and max 42 deg C), the two chillers failed and had to be replaced. After the renovation we managed to bring the chillers inside one of the tech area, and since then I sleep peacefully. We literally cut a hole in the whole so the hot air is extracted directly outside, this brings no need of extra AC in the chiller room.

Feel free to fly over if you want to have a look.

Best,

Paolo



Paolo Swuec
Head of Cryo-EM Facility
Cryo-EM Facility
Human Technopole
Palazzo Italia
Viale Rita Levi Montalcini, 1
20157 Milan, Italy
T. +39 02-30247442
M. +39 3427758814
E. paolo.swuec at fht.org
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From: 3dem <3dem-bounces at ncmir.ucsd.edu> on behalf of Morgan, David Gene <dagmorga at indiana.edu>
Date: Thursday, 29 June 2023 at 16:43
To: 3dem at ncmir.ucsd.edu <3dem at ncmir.ucsd.edu>
Subject: [3dem] microscope installation
Hi,

We are installing a new high-end instrument here and the issue of whether to use an air- or water-cooled chiller has arisen.  I've always been in favor of water-cooled chillers and at least some of the places where I have worked did not have the capacity to remove the excess heat that an air-cooled chiller would generate.  For this install, we appear to have a choice.

Is there a general consensus about which is better?

--
    politics is more difficult than physics.
                                             A. Einstein

            David Gene Morgan
        Electron Microscopy Center
             047E Simon Hall
             IU Bloomington
          812 856 1457 (office)
          812 856 3221 (3200)
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