Hi Will,<br><br>Just put the gpm value of your new service water system into the process flow input on the Process/DHW tab of your DHW loop. The schedule for usage is there too, but will be the same in both cases.<br><br>I would not expect a hand calc to match the eQUEST calc in any case, as eQUEST will likely be using a much more complicated schedule.<br>
<br>Best,<br><br>Carol<br><br><div class="gmail_quote">On Mon, Oct 25, 2010 at 8:14 AM, Will Mak <span dir="ltr"><<a href="mailto:wmak@epsteinglobal.com">wmak@epsteinglobal.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div link="blue" vlink="purple" lang="EN-US">
<div>
<p class="MsoNormal"><span style="font-size: 10pt;">I
am working on a project that has energy savings on the domestic water heater for
the service water heating due to low flow sinks and lavs. We have been asked to
provide calculations to justify the energy savings on the energy model. The
spreadsheet I have attached shows the calculation proving our savings however I
am having a hard time connecting how eQuest models this compared to the
spreadsheet along with matching the energy consumption values from eQuest and
the spreadsheet. </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;">What
should be the proper inputs for the Service Water Heating system be?</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;">Any
suggestions? Thanks!</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">BASELINE
REPORT- BEPU Building Utility Performance WEATHER
FILE- Chicago IL TMY2</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">---------------------------------------------------------------------------------------------------------------------------------</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
TASK MISC SPACE SPACE HEAT PUMPS VENT REFRIG HT PUMP
DOMEST EXT</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
LIGHTS LIGHTS EQUIP HEATING COOLING REJECT & AUX FANS
DISPLAY SUPPLEM HOT WTR USAGE TOTAL</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
------- ------- ------- ------- ------- ------- ------- -------
------- ------- ------- ------- --------</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">EM1
ELECTRICITY </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
KWH 94936. 0. 159052. 0. 177219. 0. 33723.
140910. 0. 0. <b><i><u><span style="color: red;">1857.</span></u></i></b>
10821. 618518.</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">FM1
NATURAL-GAS </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
THERM 0. 0. 0. 33591. 0. 0. 0.
0. 0. 0. 0. 0. 33591.</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
TOTAL ELECTRICITY 618518. KWH 13.449 KWH /SQFT-YR GROSS-AREA
13.449 KWH /SQFT-YR NET-AREA</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
TOTAL NATURAL-GAS 33591. THERM 0.730 THERM /SQFT-YR GROSS-AREA
0.730 THERM /SQFT-YR NET-AREA</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
PERCENT OF HOURS ANY SYSTEM ZONE OUTSIDE OF THROTTLING RANGE = 0.3</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
PERCENT OF HOURS ANY PLANT LOAD NOT SATISFIED = 0.0</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
NOTE: ENERGY IS APPORTIONED HOURLY TO ALL END-USE CATEGORIES.</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">PROPOSED
REPORT- BEPU Building Utility
Performance WEATHER FILE-
Chicago IL TMY2</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">---------------------------------------------------------------------------------------------------------------------------------</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
TASK MISC SPACE SPACE HEAT PUMPS VENT REFRIG HT PUMP
DOMEST EXT</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
LIGHTS LIGHTS EQUIP HEATING COOLING REJECT & AUX FANS
DISPLAY SUPPLEM HOT WTR USAGE TOTAL</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
------- ------- ------- ------- ------- ------- ------- -------
------- ------- ------- ------- --------</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">EM1
ELECTRICITY </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
KWH 62239. 0. 159052. 113974. 113369. 0. 41385.
66957. 0. 0. <b><i><u><span style="color: red;">1572.</span></u></i></b>
3721. 562270.</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">FM1
NATURAL-GAS </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
THERM 0. 0. 0. 18311. 0. 0. 0.
0. 0. 0. 0. 0. 18311.</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
TOTAL ELECTRICITY 562270. KWH 12.226 KWH /SQFT-YR GROSS-AREA
12.226 KWH /SQFT-YR NET-AREA</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
TOTAL NATURAL-GAS 18311. THERM 0.398 THERM /SQFT-YR GROSS-AREA
0.398 THERM /SQFT-YR NET-AREA</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
PERCENT OF HOURS ANY SYSTEM ZONE OUTSIDE OF THROTTLING RANGE = 0.7</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
PERCENT OF HOURS ANY PLANT LOAD NOT SATISFIED = 0.0</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";">
NOTE: ENERGY IS APPORTIONED HOURLY TO ALL END-USE CATEGORIES.</span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p><span style="font-size: 8pt; font-family: "Courier New";"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;"> </span></p>
<p class="MsoNormal"><span style="font-size: 10pt;"> </span></p>
<p class="MsoNormal"><b><span style="font-size: 14pt; color: rgb(199, 91, 18);">William Mak,
LEED Green Associate</span></b><span style="font-size: 9pt; color: rgb(31, 73, 125);"><br>
</span><span style="font-size: 8pt; color: black;">Mechanical Design Engineer</span><span style="font-size: 9pt; color: black;"><br>
</span><span style="font-size: 9pt; color: rgb(31, 73, 125);"><br>
</span><b><span style="font-size: 10pt; color: rgb(199, 91, 18);">EPSTEIN</span></b><span style="font-size: 9pt; color: rgb(31, 73, 125);"><br>
</span><span style="font-size: 8pt; color: black;">Architecture<br>
Interiors<br>
Engineering<br>
Construction<br>
<br>
600 West Fulton Street<br>
Chicago, Illinois 60661-1259<br>
<br>
D: (312) 429-8116<br>
F: (312) 559-1217<br>
E:</span><span style="font-size: 8pt; color: rgb(0, 112, 192);"> <a href="mailto:wmak@epsteinglobal.com" target="_blank"><span style="color: blue;">wmak@epsteinglobal.com</span></a></span><span style="font-size: 8pt; color: black;"><br>
W:</span><span style="font-size: 8pt; color: rgb(199, 91, 18);"> <a href="http://www.epsteinglobal.com/" target="_blank"><span style="color: rgb(199, 91, 18);">www.epsteinglobal.com</span></a></span><span style="font-size: 9pt; color: black;"><br>
<br>
</span><span style="font-size: 10pt; font-family: Webdings; color: rgb(0, 176, 80);">ž</span><span style="font-size: 8pt; color: black;"> Epstein
is a firm believer in sustainability. We ask that you please consider the
environment before printing this e-mail.</span></p>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Carol Gardner PE<br>
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