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Fred,<br>
I think you might be confusing efficiency and effectiveness.
Effectiveness is actual energy transfer divided by maximum
theoretically possible energy transfer. The air and water side heat
transfers need to be equal or else there is an energy imbalance across
the coil.<br>
Best,<br>
David<br>
<br>
<br>
Fred Betz wrote:
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<p class="MsoNormal">All,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">There appears to be a bug in the Type 670-1
heating coil. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I set the effectiveness of the coil to 0.70, but
the air and
water side heat transfer rates are approximately equal. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Anyone have a fix?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Fred<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style=""><b><span
style="font-size: 10pt; color: rgb(102, 0, 0); text-transform: uppercase;">Fred
Betz</span></b><b><span style="font-size: 9pt; color: rgb(51, 51, 51);">
</span></b><span style="font-size: 9pt; color: rgb(51, 51, 51);">PhD.,
LEED AP <br>
</span><span
style="font-size: 10pt; color: rgb(51, 51, 51); text-transform: uppercase;">Sustainable
Systems Analyst</span><span
style="font-size: 9pt; color: rgb(51, 51, 51);"><o:p></o:p></span></p>
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<p class="MsoNormal"><span
style="font-size: 9pt; color: rgb(51, 51, 51);"> <o:p></o:p></span></p>
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width="283">
<p class="MsoNormal" style=""><b><span
style="font-size: 9pt; color: rgb(102, 0, 0);">AEI</span></b><span
style="font-size: 9pt; color: rgb(51, 51, 51);"> | AFFILIATED
ENGINEERS, INC. <br>
5802 Research Park Blvd. | Madison, WI 53719<br>
<br>
</span><span style="font-size: 9pt; color: rgb(102, 0, 0);">P:
608.236.1175 | F: 608.238.2614</span><span
style="font-size: 9pt; color: rgb(51, 51, 51);"> <br>
</span><span style="font-size: 9pt; color: rgb(102, 0, 0);"><a
moz-do-not-send="true" href="mailto:fbetz@aeieng.com"><span
style="color: rgb(102, 0, 0); text-decoration: none;">fbetz@aeieng.com</span></a>
| </span><b><span style="font-size: 9pt; color: rgb(102, 0, 0);"><a
moz-do-not-send="true" href="http://www.aeieng.com/"><span
style="color: rgb(102, 0, 0); text-decoration: none;">www.aeieng.com</span></a></span></b><span
style="font-size: 9pt; color: rgb(51, 51, 51);"> <o:p></o:p></span></p>
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