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<p>Janeet,</p>
<p> Type88 and 660 are mathematically equivalent. In addition to
the internal/external controls options I believe that Type660
allows you define multiple "zones" that are adjacent to one
another. Yes, feeding cold air into the ventilation inputs would
be a very simplified equivalency to modeling a temperature level
control building.</p>
<p> I would recommend using Type508 as a cooling coil model if
possible and I would strongly recommend not using Type32. The
others all have features that might (or might not) be useful in
your particular circumstance so I'd recommend having a read
through the documentation on each.</p>
<p>kind regards,</p>
<p> David</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 07/09/2020 23:01, janeet anand via
TRNSYS-users wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CACximr0P2ePYrmQ1tnhSBiiO68UHJGnZMDnvCpSeQuuvdsV3dQ@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">Dear experts,
<div><br>
</div>
<div>Currently working on a project to simulate an absorption
chiller feeding chilled water to 2 fan coil units which inturn
control the temperatures of 2 zones-feeding the ventilation
temp and flow rate. For comparison purposes, have set up the
simple building loads using type 88 and type 660 and plan to
include a temperature level control on the FCU.</div>
<div><br>
</div>
<div>1. What is the difference between the type 88 and type 660
apart from the internal conditioning equipment control. Would
HVAC equipment feeding cold vent air input be equivalent to a
temperature level control for the building?</div>
<div><br>
</div>
<div>2. Please advise on the differences amongst the various
cooling coils - type 32, type 52, type 508, type 697, type
752. Which would be the most suitable type for the given
application?</div>
<div><br>
</div>
<div>Thank you for your time in advance.<br>
</div>
<div><br>
</div>
<div>Regards,</div>
<div>Janeet</div>
<div><br>
</div>
<div><br>
</div>
</div>
<br>
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<pre class="moz-signature" cols="72">--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
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>
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