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    Demba,<br>
      The most recent version of the TESS Libraries (v17) contains a
    2-stage water-to-water heat pump. There are also some multi-stage
    controller components available as well.<br>
    Best,<br>
     David<br>
    <br>
    <br>
    On 6/27/2011 10:34, Demba Ndiaye wrote:
    <blockquote
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        <p class="MsoNormal">Does anyone knows if TRNSYS has a
          water-to-water heat pump with dual compressor capability?<br>
          <br>
          The water-to-water heat pump I remember is a single-stage unit
          from TESS.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Thanks,<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">________________<o:p></o:p></p>
        <p class="MsoNormal">Demba NDIAYE<o:p></o:p></p>
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    <br>
    <pre class="moz-signature" cols="72">-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>

<a class="moz-txt-link-freetext" href="http://www.tess-inc.com">http://www.tess-inc.com</a>
<a class="moz-txt-link-freetext" href="http://www.trnsys.com">http://www.trnsys.com</a></pre>
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