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<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2>There is actually a Daysim forum that can be found in
Google Groups. You can probably get more advanced advice there, and the software
authors track that message board. I'll give some general
comments:</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2>First, take a look at the tutorial which may answer your
questions better than I can</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2><A
href="http://irc.nrc-cnrc.gc.ca/ie/lighting/daylight/daysim/docs/DaysimTutorial.pdf">http://irc.nrc-cnrc.gc.ca/ie/lighting/daylight/daysim/docs/DaysimTutorial.pdf</A></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2>1. I'd recommend giving an example of the error you found
to the Google Group for review so it's more clear what the problem
is.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2>2. I believe Daysim assumes that any time a daylight value
over a certain threshhold occurs that the user would draw the shades blinds and
cut the daylight value by an assumed percentage. If you're sure that there will
not be any shades there should be a "no blinds" option. </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2>3. The user behavior for active or passive use
(or mix) basically guesses whether occupants will actively raise blinds when
glare is no longer present or will be passive and leave them closed most of the
day. I assume it's similar for user behavior with respect to switching of
lights, but I'm not sure if that's based on daylight or
occupancy.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2>The Lighting and shading controls should relate to any
automated control system for the blinds or electric lights.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2>4. Good question for the Daysim Google
Group.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=941405813-21052009><FONT face=Arial
color=#0000ff size=2>5. If you set a particular work plane sensor I believe it
will predict energy on that one particular sensor instead of some other
behavior, but check the tutorial for better explanation.</FONT></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B>
radiance-general-bounces@radiance-online.org
[mailto:radiance-general-bounces@radiance-online.org] <B>On Behalf Of </B>Victor
Li<BR><B>Sent:</B> Thursday, May 21, 2009 5:13 AM<BR><B>To:</B>
Radiance-general@radiance-online.org<BR><B>Subject:</B> [Radiance-general]
Daysim Electirc Lighting energy calculation<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV>Dear:</DIV>
<DIV> </DIV>
<DIV>I am using Daysim to calculate who much energy consumption for lighting to
compensate the daylight.</DIV>
<DIV> </DIV>
<DIV>1, I found The total annual hours of occupancy at the work place and the
total annual hours of electric lighting are wrong. I calculated it by hands
according to the rules and methods from Tutorial. I found it is different from
the result of Daysim.</DIV>
<DIV> </DIV>
<DIV>2, User Behaviour, "Active" means "A user who operates the
electric lighting in relation to ambient daylight conditions" I donot
understand what does "the ambient daylight conditions" mean here? For
blinds, If there is no blinds or other shading devices in my building, how can i
set this for blinds?</DIV>
<DIV> </DIV>
<DIV>3, Lighting and Shading control system. For blinds control, I really
donot know what is the difference between set in "User Behaviour - blinds use"
and "Lighting and Shading control system - blinds control" ? Likewise, if
there is no blinds how can i set it? For lighting control, i tried the
frist three types, which are "Manual on/off switch near the door", "
Switch off occupancy sensor", and "switch on/off occupancy sensor" i
didnot find any difference of the results between the three. </DIV>
<DIV> </DIV>
<DIV>4 in my building the electric lighting is only used when the daylight does
not meet the 300 lux requirement. so who can i select the lighting control
type? is the " Photosensor controlled dimming system? apropriate for my
situation?</DIV>
<DIV> </DIV>
<DIV>5 what is the function of "work plan sensor" </DIV>
<DIV> </DIV>
<DIV>i am new to Daysim so i have many questions Hope you can help!
Thank you very much!</DIV>
<DIV> </DIV>
<DIV>Best Regards!</DIV>
<DIV> </DIV>
<DIV>victor</DIV>
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