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<p>Audun,</p>
<p> It is sometimes possible to make a plot of the normalized data
in the *.dat files that are provided and then to normalize and
overlay the data points that you have from the manufacturer.
Patterns in the data files and in the manufacturer data may become
evident and you can fill in the remainder of the points in the
data file and also intelligently extrapolate beyond the data that
is given in those *.dat files.</p>
<p> My larger concern is that it looks to me as though the heat
pump you are working with is a variable capacity (perhaps a
variable speed compressor) machine while Type119 is a single
capacity device that is either on or off and whose performance
(cooling capacity, heating capacity, and COP) are a function
primarily of the ambient temperatures but <i>not</i> of part
load. I have written a variable speed compressor heat pump model
but like Type119 it still requires a performance map data file.</p>
<p>kind regards,</p>
<p> David</p>
<p><br>
</p>
<p> <br>
</p>
<div class="moz-cite-prefix">On 12/16/2019 01:55, Audun Bull
Kristiansen via TRNSYS-users wrote:<br>
</div>
<blockquote type="cite"
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<div>I use the Air Source Heat Pump (ASHP) unit Type 119c in a
simulation of a container building in TRNSYS 18, since this
seems to be the only ASHP type available. I need to add the
two external .dat- files that contains the heating and cooling
performance data, respectively. I read in “09-Tutorials” page
163-164 that:</div>
<div> </div>
<div>“<em>The ASHP component model requires a data file that
includes the performance map for the piece of equipment.
This performance map is unique to the exact piece of
equipment that is being modeled and you will need to produce
this file from the manufacturer’s performance data for the
specific equipment being modeled</em>.” </div>
<div><br>
</div>
<div>T<span style="mso-ansi-language: EN-US;" lang="EN-US"><font
face="Calibri Regular">he component does not extrapolate
beyond the data range provided, so we need to include data
for outdoor temperatures between -5 °C and 40 °C (Shanghai
climate).</font></span><font face="Times New Roman"> The
indoor temperature is expected to be between <font
face="Times New Roman">-5 °C and 50
<font face="Times New Roman">°C (due to that the heat pump
is turned off when no one is at home).</font></font>
</font></div>
<div><br>
</div>
<div><font face="Times New Roman"><font face="Times New Roman">I
read “10.2.3.4 Resizing the PTHP Units” that says that the
recommended method is to find a manufacturer of PTHP units
online and to search through the available product
literature to find a PTHP that has a capacity as close as
possible without being less than the peak total cooling or
heating load required by the zone that will be conditioned
by the PTHP. Do someone know any such online source that
contain adequate information where I can search for a
similar product?</font></font></div>
<p class="defaultFont" data-signatureblock="true">Or do you
recommend me to go for the second approach, to renormalize the
example files ASHP_Cooling.dat and ASHP_Heating.dat that comes
with TRNSYS to a different rated capacity? But my
highest “return air dry bulb temperature” and “Outdoor dry
bulb temperature” are far higher than in these example files,
so then I need to extrapolate the data. And how do I l<span>ocate
the performance point in ASHP_Cooling.dat that corresponds
to the rated point, as described in
<font face="Times New Roman Regular">10.2.3.4</font>? </span></p>
<p class="defaultFont" data-signatureblock="true"><span>I have
also tried to model with ideal heater and cooler and divide
the electric energy use for heating and cooling by their
respective seasonal COP, but that is not accurate enough
since I need to take into account the variation in COP over
the year.</span></p>
<p class="defaultFont" data-signatureblock="true"><span>The heat
pump that we have installed and want to model is GREE
KFR-35W/FNhD02-A1 outdoor unit (corresponding to indoor unit
model KFR-35GW/(35592)FNhAa-A1) which has the following
performance data:</span></p>
<div data-signatureblock="true">
<ul style="padding-top: 0px; padding-bottom: 0px; margin-top:
0px; margin-bottom: 0px; list-style-type: disc;" type="disc">
<li><span>Cooling power (rated/min./max.): 3500/200/4200 W</span></li>
<li><span>Heating power (rated/min./max.): 4900/500/5600 W
+1000 W (Additional electrical heating)</span></li>
<li><span>Cooling input power (rated/min./max.): 840/90/1300
W</span></li>
<li><span>Heating input power (rated/min./max.):
1450/120/1700 W</span></li>
<li><span>Additional electrical heating input power: 1000 W</span></li>
<li><span>Cooling seasonal COP: 5.33</span></li>
<li><span>Heating seasonal COP: 3.53</span></li>
<li><span>Yearly COP: 4.53</span></li>
</ul>
</div>
<div><span></span><br>
</div>
<div><span>
<div>I tried to contact the manufacturer to get input data
for the files and sent them the instructions from “4
Mathematical Reference” page 174-175 “Data Files” and the
two example files ASHP_Cooling.dat and ASHP_Heating.dat
that comes with TRNSYS 18. The data they sent me, however,
was not for constant air flow rates. For instance, for
heating mode they sent me similar information as in the
table below for various temperatures. The problem is that
these data does not keep a set of fixed temperatures and
air flow rates, like in the example files.</div>
<div><br>
</div>
<div>
<table tabindex="-1" style="width: 521pt; border-collapse:
collapse;" width="691" cellspacing="0" cellpadding="0"
border="0">
<colgroup><col style="width: 83pt; mso-width-source:
userset; mso-width-alt: 4022;" width="110" span="3"><col
style="width: 106pt; mso-width-source: userset;
mso-width-alt: 5156;" width="141"><col style="width:
83pt; mso-width-source: userset; mso-width-alt:
4022;" width="110" span="2"></colgroup>
<tbody>
<tr style="height: 66.75pt; mso-height-source:
userset;" height="89">
<td style="border: 0.5pt solid windowtext;
border-image: none; width: 83pt; height: 66.75pt;
background-color: transparent;" width="110"
height="89">
<font face="Calibri Regular">indoor air
temperature</font></td>
<td style="border-width: 0.5pt 0.5pt 0.5pt 0px;
border-style: solid solid solid none;
border-color: windowtext windowtext windowtext
black; width: 83pt; background-color:
transparent;" width="110">
<font face="Calibri Regular">outdoor air
temperature</font></td>
<td style="border-width: 0.5pt 0.5pt 0.5pt 0px;
border-style: solid solid solid none;
border-color: windowtext windowtext windowtext
black; width: 83pt; background-color:
transparent;" width="110">
<font face="Calibri Regular">Total capacity (kJ/h)</font></td>
<td style="border-width: 0.5pt 0.5pt 0.5pt 0px;
border-style: solid solid solid none;
border-color: windowtext windowtext windowtext
black; width: 106pt; background-color:
transparent;" width="141">
<font face="Calibri Regular"><span
style="mso-spacerun: yes;"> </span>Power
consumption(kJ/h)</font></td>
<td style="border-width: 0.5pt 0.5pt 0.5pt 0px;
border-style: solid solid solid none;
border-color: windowtext windowtext windowtext
black; width: 83pt; background-color:
transparent;" width="110">
<font face="Calibri Regular">Air Flow Rate(l/s)</font></td>
<td style="border-width: 0.5pt 0.5pt 0.5pt 0px;
border-style: solid solid solid none;
border-color: windowtext windowtext windowtext
black; width: 83pt; background-color:
transparent;" width="110">
<font face="Calibri Regular">Return air dry
bulb(℃)</font></td>
</tr>
<tr style="height: 20.1pt; mso-height-source:
userset;" height="26">
<td style="border-width: 0px 0.5pt 0.5pt;
border-style: none solid solid; border-color:
black windowtext; height: 140.7pt;
background-color: transparent;" rowspan="7"
height="182">
<font face="Calibri Regular">30℃</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;">
<font face="Calibri Regular">28℃/RH50％</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">762</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">127</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">163</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">44.5</font></td>
</tr>
<tr style="height: 20.1pt; mso-height-source:
userset;" height="26">
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black; height: 20.1pt;
background-color: transparent;" height="26">
<font face="Calibri Regular">24℃/RH55％</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">706</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">128</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">163</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">43.3</font></td>
</tr>
<tr style="height: 20.1pt; mso-height-source:
userset;" height="26">
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black; height: 20.1pt;
background-color: transparent;" height="26">
<font face="Calibri Regular">20℃/RH59％</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">785</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">169</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">163</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">44.9</font></td>
</tr>
<tr style="height: 20.1pt; mso-height-source:
userset;" height="26">
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black; height: 20.1pt;
background-color: transparent;" height="26">
<font face="Calibri Regular">15℃/RH65％</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">992</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">284</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">161</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">49.2</font></td>
</tr>
<tr style="height: 20.1pt; mso-height-source:
userset;" height="26">
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black; height: 20.1pt;
background-color: transparent;" height="26">
<font face="Calibri Regular">11℃/RH75％</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">1078</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">362</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">160</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">51.2</font></td>
</tr>
<tr style="height: 20.1pt; mso-height-source:
userset;" height="26">
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black; height: 20.1pt;
background-color: transparent;" height="26">
<font face="Calibri Regular">7℃/RH85％</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">1085</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">418</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">160</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">51.3</font></td>
</tr>
<tr style="height: 20.1pt; mso-height-source:
userset;" height="26">
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black; height: 20.1pt;
background-color: transparent;" height="26">
<font face="Calibri Regular">2℃/RH85％</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">1063</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">485</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">159</font></td>
<td style="border-width: 0px 0.5pt 0.5pt 0px;
border-style: none solid solid none; border-color:
black windowtext windowtext black;
background-color: transparent;" align="right">
<font face="Calibri Regular">51</font></td>
</tr>
</tbody>
</table>
</div>
<div><br>
</div>
</span></div>
<p>Audun</p>
<div><br>
</div>
</div>
<br>
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</blockquote>
<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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