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<DIV><BR> Hello All,</DIV>
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<DIV>I have a problem with DOE2.1E cooling system sizing. The cooling capacity reported by DOE2.1e in SV-A and LS-B reports are quite different and shows different sensitivity trends depending locations. </DIV>
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<DIV>Question 1</DIV>
<DIV>For the case with out door air flow ratio input set to zero DOE2.1E calculated cooling capacity and the peak coolig load are shown below. I assume that the out door air contribution to the system load is zero for zero out door air fraction and with this assumption the system cooling capacity will be different from the peak cooling load only due to difference in ARI and the peak cooling load hour weather conditions. What else could cause the cooling capacity to be different from the peak load for zero out door air flow rate case? I have looked into to DOE2.1E manual but wasn't able connect the steps from the peak cooling load to the system capacity? </DIV>
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<DIV>Question 2</DIV>
<DIV>Does the change from the peak cooling load to the system cooling capacity seem a reasonable for the different loacations given below? </DIV>
<DIV>The building is 2100 sqft conditioned floor area, two story, single family house. Each floor is modeled as a single zone.</DIV>
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<TABLE style="WIDTH: 423pt; BORDER-COLLAPSE: collapse" cellSpacing=0 cellPadding=0 width=564 border=0 x:str>
<COLGROUP>
<COL style="WIDTH: 85pt; mso-width-source: userset; mso-width-alt: 4132" width=113>
<COL style="WIDTH: 75pt; mso-width-source: userset; mso-width-alt: 3657" width=100>
<COL style="WIDTH: 71pt; mso-width-source: userset; mso-width-alt: 3474" span=2 width=95>
<COL style="WIDTH: 56pt; mso-width-source: userset; mso-width-alt: 2742" width=75>
<COL style="WIDTH: 65pt; mso-width-source: userset; mso-width-alt: 3145" width=86>
<TBODY>
<TR style="HEIGHT: 12.75pt" height=17>
<TD class=xl22 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; WIDTH: 85pt; BORDER-BOTTOM: #d4d0c8; HEIGHT: 12.75pt; BACKGROUND-COLOR: transparent" width=113 height=17><FONT face=Arial size=2> </FONT></TD>
<TD class=xl23 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: windowtext 1pt solid; BORDER-LEFT: #d4d0c8; WIDTH: 75pt; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" width=100><FONT face=Arial size=2> </FONT></TD>
<TD class=xl23 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: windowtext 1pt solid; BORDER-LEFT: #d4d0c8; WIDTH: 71pt; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" width=95><FONT face=Arial size=2>Report AV-A</FONT></TD>
<TD class=xl23 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: windowtext 1pt solid; BORDER-LEFT: #d4d0c8; WIDTH: 71pt; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" width=95><FONT face=Arial size=2>Report LS-B</FONT></TD>
<TD class=xl23 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: windowtext 1pt solid; BORDER-LEFT: #d4d0c8; WIDTH: 56pt; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" width=75><FONT face=Arial size=2> </FONT></TD>
<TD class=xl24 style="BORDER-RIGHT: windowtext 1pt solid; BORDER-TOP: windowtext 1pt solid; BORDER-LEFT: #d4d0c8; WIDTH: 65pt; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" width=86><FONT face=Arial size=2> </FONT></TD></TR>
<TR style="HEIGHT: 36.75pt; mso-height-source: userset" height=49>
<TD class=xl33 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: windowtext 1pt solid; WIDTH: 85pt; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 36.75pt; BACKGROUND-COLOR: transparent" width=113 height=49><FONT face=Arial size=2>Locations</FONT></TD>
<TD class=xl34 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; WIDTH: 75pt; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent" width=100><FONT face=Arial size=2>Supply Flow, CFM</FONT></TD>
<TD class=xl34 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; WIDTH: 71pt; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent" width=95><FONT face=Arial size=2>Cooling Capacity, kBtu/hr</FONT></TD>
<TD class=xl34 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; WIDTH: 71pt; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent" width=95><FONT face=Arial size=2>Peak Cooling Load, kBtu/hr</FONT></TD>
<TD class=xl34 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; WIDTH: 56pt; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent" width=75><FONT face=Arial size=2>Outdoor DB Temp at Peak Load, oF</FONT></TD>
<TD class=xl35 style="BORDER-RIGHT: windowtext 1pt solid; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; WIDTH: 65pt; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent" width=86><FONT face=Arial size=2>Outdoor WB Temp at Peak Load, oF</FONT></TD></TR>
<TR style="HEIGHT: 12.75pt" height=17>
<TD class=xl25 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: windowtext 1pt solid; BORDER-BOTTOM: #d4d0c8; HEIGHT: 12.75pt; BACKGROUND-COLOR: transparent" height=17 x:str=" Baltimore, MD "><FONT size=2><FONT face=Arial><SPAN style="mso-spacerun: yes"> </SPAN>Baltimore, MD<SPAN style="mso-spacerun: yes"> </SPAN></FONT></FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>850.0</FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num="25.745000000000001"><FONT face=Arial size=2>25.7</FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num="22.082999999999998"><FONT face=Arial size=2>22.1</FONT></TD>
<TD class=xl27 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>93</FONT></TD>
<TD class=xl28 style="BORDER-RIGHT: windowtext 1pt solid; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>73</FONT></TD></TR>
<TR style="HEIGHT: 12.75pt" height=17>
<TD class=xl25 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: windowtext 1pt solid; BORDER-BOTTOM: #d4d0c8; HEIGHT: 12.75pt; BACKGROUND-COLOR: transparent" height=17 x:str=" Houston, TX "><FONT size=2><FONT face=Arial><SPAN style="mso-spacerun: yes"> </SPAN>Houston, TX<SPAN style="mso-spacerun: yes"> </SPAN></FONT></FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>813.0</FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num="26.956"><FONT face=Arial size=2>27.0</FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num="20.202000000000002"><FONT face=Arial size=2>20.2</FONT></TD>
<TD class=xl27 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>93</FONT></TD>
<TD class=xl28 style="BORDER-RIGHT: windowtext 1pt solid; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>78</FONT></TD></TR>
<TR style="HEIGHT: 12.75pt" height=17>
<TD class=xl25 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: windowtext 1pt solid; BORDER-BOTTOM: #d4d0c8; HEIGHT: 12.75pt; BACKGROUND-COLOR: transparent" height=17 x:str=" Chicago, IL "><FONT size=2><FONT face=Arial><SPAN style="mso-spacerun: yes"> </SPAN>Chicago, IL<SPAN style="mso-spacerun: yes"> </SPAN></FONT></FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>1054.0</FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num="29.331"><FONT face=Arial size=2>29.3</FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num="20.251999999999999"><FONT face=Arial size=2>20.3</FONT></TD>
<TD class=xl27 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>89</FONT></TD>
<TD class=xl28 style="BORDER-RIGHT: windowtext 1pt solid; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>72</FONT></TD></TR>
<TR style="HEIGHT: 12.75pt" height=17>
<TD class=xl25 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: windowtext 1pt solid; BORDER-BOTTOM: #d4d0c8; HEIGHT: 12.75pt; BACKGROUND-COLOR: transparent" height=17 x:str=" Minneapolis, MN "><FONT size=2><FONT face=Arial><SPAN style="mso-spacerun: yes"> </SPAN>Minneapolis, MN<SPAN style="mso-spacerun: yes"> </SPAN></FONT></FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>1226.0</FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num="33.53"><FONT face=Arial size=2>33.5</FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num="20.343"><FONT face=Arial size=2>20.3</FONT></TD>
<TD class=xl27 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>89</FONT></TD>
<TD class=xl28 style="BORDER-RIGHT: windowtext 1pt solid; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>79</FONT></TD></TR>
<TR style="HEIGHT: 12.75pt" height=17>
<TD class=xl25 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: windowtext 1pt solid; BORDER-BOTTOM: #d4d0c8; HEIGHT: 12.75pt; BACKGROUND-COLOR: transparent" height=17 x:str=" Duluth, MN "><FONT size=2><FONT face=Arial><SPAN style="mso-spacerun: yes"> </SPAN>Duluth, MN<SPAN style="mso-spacerun: yes"> </SPAN></FONT></FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>1258.0</FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num="34.808999999999997"><FONT face=Arial size=2>34.8</FONT></TD>
<TD class=xl26 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num="18.148"><FONT face=Arial size=2>18.1</FONT></TD>
<TD class=xl27 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>87</FONT></TD>
<TD class=xl28 style="BORDER-RIGHT: windowtext 1pt solid; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>72</FONT></TD></TR>
<TR style="HEIGHT: 13.5pt" height=18>
<TD class=xl29 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: windowtext 1pt solid; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 13.5pt; BACKGROUND-COLOR: transparent" height=18 x:str=" Phoenix, AZ "><FONT size=2><FONT face=Arial><SPAN style="mso-spacerun: yes"> </SPAN>Phoenix, AZ<SPAN style="mso-spacerun: yes"> </SPAN></FONT></FONT></TD>
<TD class=xl30 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>1281.0</FONT></TD>
<TD class=xl30 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent" x:num="37.427999999999997"><FONT face=Arial size=2>37.4</FONT></TD>
<TD class=xl30 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent" x:num="31.565000000000001"><FONT face=Arial size=2>31.6</FONT></TD>
<TD class=xl31 style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>114</FONT></TD>
<TD class=xl32 style="BORDER-RIGHT: windowtext 1pt solid; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent" x:num><FONT face=Arial size=2>71</FONT></TD></TR></TBODY></TABLE></DIV>
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<DIV>Thank you in advance for the help,</DIV>
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<DIV>Bereket</DIV></div><br>
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