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Hi James,<br>
<br>
You did not say which model you are using so I'll put this in eQUEST
terms. Hotels, motels, and high rise residential buildings will have
very different schedules than offices, etc., because the assumption
is that people are coming and going at different times. If you
specify any one of those building types eQUEST will give you a
schedule which is likely perfectly good for you to use for
occupancy, lighting, equipment, etc. You can at least call it up and
then modify it as you see fit, if you see fit.<br>
<br>
With regard to the 100% on time for fans, if you read the help
behind this schedule you will probably find that it is an
availability schedule, not an actual use schedule.<br>
<br>
Lastly, just do your best with the schedules, etc., and simplify the
model for yourself as much as you can. If you read in Appendix G
about thermal blocks, this is just the kind of building to look for
them in. <br>
<br>
Best,<br>
<br>
Carol<br>
<br>
On 10/21/2011 8:51 AM, Jim Dirkes wrote:
<blockquote
cite="mid:007801cc9009$4da339f0$e8e9add0$@buildingperformanceteam.com"
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<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:10.0pt;font-family:"Georgia","serif"">Dear
Forum,<br>
Assuming:<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:38.25pt;text-indent:-.25in;mso-list:l0
level1 lfo1"><!--[if !supportLists]--><span
style="font-size:10.0pt;font-family:Symbol"><span
style="mso-list:Ignore">·<span style="font:7.0pt
"Times New Roman""> </span></span></span><!--[endif]--><span
style="font-size:10.0pt;font-family:"Georgia","serif"">10
story hotel with 200 guest rooms facing all compass
directions <o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:38.25pt;text-indent:-.25in;mso-list:l0
level1 lfo1"><!--[if !supportLists]--><span
style="font-size:10.0pt;font-family:Symbol"><span
style="mso-list:Ignore">·<span style="font:7.0pt
"Times New Roman""> </span></span></span><!--[endif]--><span
style="font-size:10.0pt;font-family:"Georgia","serif"">Each
guest room has HVAC and outdoor air from a through-the-wall
heat pump<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:10.0pt;font-family:"Georgia","serif"">How
can I create a simple modeling scheme and schedules which
will reflect normal occupancy variations?<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:10.0pt;font-family:"Georgia","serif"">As
I think about it, the reality of operation is quite
different than a central HVAC unit, because random
individual rooms can be completely off, while others are
on. Room temperature, ventilation and fan power are all
affected. There will be no predictable pattern for which
rooms are unused or unoccupied. ASHRAE does have some
typical use patterns in their 90.1 User Manual but, for
example, they assume 100% on time for fans. That's too
coarse for my taste, and will overestimate energy
substantially.<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:10.0pt;font-family:"Georgia","serif"">I
REALLY don't want to model 200 individual zones with varying
schedules! I know that I'm not the first one to wrestle
with this idea, so I am hoping for some creative insight
from you.<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:10.0pt;font-family:"Georgia","serif"">Thanks
in advance!<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><img id="Picture_x0020_1"
src="cid:part1.03000708.09000007@spiritone.com"
alt="Description: BPT BizCard JVDII Updated" height="192"
width="336"><o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt">Tolerance is
not agreement. Tolerance is precisely the willingness to
restrain from the use of coercion. (and who hasn’t
experienced the benefit of respectful, constructive <u>dis</u>agreement?)</span><b><span
style="font-size:10.0pt"><o:p></o:p></span></b></p>
<p class="MsoNormal"><o:p> </o:p></p>
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