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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi All<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I am currently working on a model for a building that is
using PTAC units that have a control system that will automatically set back
the temperature in the room when it is unoccupied.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I am trying to figure out if we can take credit for this and
still comply with 90.1 2007, and if so, how to estimate the savings and
implement it into the model if possible (I am sort of expecting that this would
be an exceptional calculation, but there might be a way to modify operational
schedules or temperature setpoints and account for this control system directly
in the model).<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The system is the Amana Digismart Controls. This is a
summary of the sequence of operations of the units.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><b><font size=2 color=black
face=Frutiger-Bold><span style='font-size:10.0pt;font-family:Frutiger-Bold;
color:black;font-weight:bold'>Temp Limiting </span></font></b><font size=2
color="#231f20" face=Frutiger-Light><span style='font-size:10.0pt;font-family:
Frutiger-Light;color:#231F20'>– Each PTAC can be configured with a
heating and cooling temperature set-point limit.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><b><font size=2 color=black
face=Frutiger-Bold><span style='font-size:10.0pt;font-family:Frutiger-Bold;
color:black;font-weight:bold'>Setbacks </span></font></b><font size=2
color="#231f20" face=Frutiger-Light><span style='font-size:10.0pt;font-family:
Frutiger-Light;color:#231F20'>– Once a room is declared unoccupied by the
occupancy sensor, the PTAC progresses through three<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color="#231f20"
face=Frutiger-Light><span style='font-size:10.0pt;font-family:Frutiger-Light;
color:#231F20'>different temperature setbacks, configured as three degree and
time pairs (An example configuration is listed below).<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color="#231f20"
face=Frutiger-Light><span style='font-size:10.0pt;font-family:Frutiger-Light;
color:#231F20'>1st: 2°, 30 mins – Setback the temp 2 degrees after 30
minutes<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color="#231f20"
face=Frutiger-Light><span style='font-size:10.0pt;font-family:Frutiger-Light;
color:#231F20'>2nd: 4°, 1 hr – Setback the temp 2 more degrees after
30 more minutes<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color="#231f20"
face=Frutiger-Light><span style='font-size:10.0pt;font-family:Frutiger-Light;
color:#231F20'>3rd: 8°, 3 hrs – Setback the temp 4 more degrees after
2 more hours<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><b><font size=2 color=black
face=Frutiger-Bold><span style='font-size:10.0pt;font-family:Frutiger-Bold;
color:black;font-weight:bold'>Unrented Set-Points </span></font></b><font
size=2 color="#231f20" face=Frutiger-Light><span style='font-size:10.0pt;
font-family:Frutiger-Light;color:#231F20'>– By integrating with your
property's Front Desk System, the PTACs will adjust to specific<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#231f20" face=Frutiger-Light><span
style='font-size:10.0pt;font-family:Frutiger-Light;color:#231F20'>set-points
when no longer identified as rented in the system.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><a href="http://www.amana-hac.com/Portals/3/PTAC/PDF/DigiSmartGREEN.pdf">http://www.amana-hac.com/Portals/3/PTAC/PDF/DigiSmartGREEN.pdf</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>The link is a pdf that gives a more thorough overview of the system if
anyone is interested.</span></font><font size=2 color="#231f20"
face=Frutiger-Light><span style='font-size:10.0pt;font-family:Frutiger-Light;
color:#231F20'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#231f20" face=Frutiger-Light><span
style='font-size:10.0pt;font-family:Frutiger-Light;color:#231F20'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#231f20" face=Frutiger-Light><span
style='font-size:10.0pt;font-family:Frutiger-Light;color:#231F20'>Does anyone
have any advice on how to proceed with a system like this?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#231f20" face=Frutiger-Light><span
style='font-size:10.0pt;font-family:Frutiger-Light;color:#231F20'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#231f20" face=Frutiger-Light><span
style='font-size:10.0pt;font-family:Frutiger-Light;color:#231F20'>Thank you all
in advance for your time</span></font><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=1 color="#009e49" face=Arial><span
style='font-size:9.0pt;font-family:Arial;color:#009E49;font-weight:bold'>Adam
A. Gonthier</span></font></b><o:p></o:p></p>
<p class=MsoNormal><em><b><i><font size=1 color="#009e49" face=Arial><span
style='font-size:9.0pt;font-family:Arial;color:#009E49;font-weight:bold'>Energy
Engineer</span></font></i></b></em><b><i><font size=1 color="#009e49"
face=Arial><span style='font-size:9.0pt;font-family:Arial;color:#009E49;
font-weight:bold;font-style:italic'><br>
</span></font></i></b><font size=1 color="#827f78" face=Arial><span
style='font-size:9.0pt;font-family:Arial;color:#827F78'>Horizon Engineering
Associates, LLP</span></font><font size=1 face=Arial><span style='font-size:
9.0pt;font-family:Arial'><ns0:PostalCode w:insAuthor="agonthier"
w:insDate="2010-06-17T17:11:00Z" w:endInsAuthor="agonthier"
w:endInsDate="2010-06-17T17:11:00Z"><font color="#009e49"><span
style='color:#009E49'><br>
</span></font></ns0:PostalCode></span></font><font size=1 color="#827f78"
face=Arial><span lang=FR style='font-size:9.0pt;font-family:Arial;color:#827F78'>347.297.9005</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=green face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:green'><a
href="http://www.horizon-engineering.com/"
title="http://www.horizon-engineering.com/"><font size=1 color="#009e49"
title="http://www.horizon-engineering.com/"><span
title="http://www.horizon-engineering.com/"><span
title="http://www.horizon-engineering.com/"><span lang=FR style='font-size:
9.0pt;color:#009E49'>www.horizon-engineering.com</span></span></span></font></a></span></font><font
size=1 color="#009e49" face=Arial><span style='font-size:9.0pt;font-family:
Arial;color:#009E49'><br>
<br>
<b><i><span style='font-weight:bold;font-style:italic'>Demand a Higher Standard</span></i><br>
</b></span></font><font size=2 color=green face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:green'><a href="blocked::http://www.P"
title="blocked::http://www.P
http://www.p/"><font size=1 color=green
face=Webdings title="blocked::http://www.P"><span title="blocked::http://www.P"><span
title="blocked::http://www.P"><span style='font-size:7.5pt;font-family:Webdings;
color:green'><span title="blocked::http://www.P
http://www.p/">P</span></span></span></font></span></a></span></font><b><font
size=1 color=green face=Arial><span style='font-size:9.0pt;font-family:Arial;
color:green;font-weight:bold'> </span></font></b><font size=1 color="#009e49"
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:#009E49'> </span></font><font
size=1 color="#009e49" face=Arial><span style='font-size:8.0pt;font-family:
Arial;color:#009E49'>Please consider the environment before printing this
e-mail</span></font><font size=1 color="#009e49" face="Arial Narrow"><span
style='font-size:9.0pt;font-family:"Arial Narrow";color:#009E49'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
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