No subject

thermal
efficiency can be used to isolate the small jacket losses for a given =
boiler.
However this doesn’t translate directly into DOE2.2. STANDBY-TIME =
is used
to account for these losses. <o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt'>When setting up a boiler in DOE-2 or eQuest, what are realistic =
values you
users have applied for STANDBY-TIME?<o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt'>The DOE2.2 manual volume 2 defines STANDBY-TIME as &#8220;The =
number of
hours of equivalent full-load time required to maintain a boiler at
temperature, when the heating load is zero.&nbsp; When operating below =
the
MIN-RATIO, the boiler is assumed to be cycling.&nbsp; When cycled on, =
the
boiler will operate at the MIN-RATIO.&nbsp; When off, losses and energy =
are
determined using this keyword.&nbsp; The program interpolates between =
energy
consumed at the MIN-RATIO, and energy in full standby mode; based on the
fraction of the time the boiler is cycled on.&#8221; =
<o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt'>Is the DOE-2 default of 0.016 hours =
realistic?<o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt'>S.P. Henry<o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt'>Interface Engineering <o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt'>Portland OR<o:p></o:p></span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt'><o:p>&nbsp;</o:p></span></font></p>

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