The commands you are looking for are for the cooling tower. See below.<br><br>Carol<br><br>
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<h5>COOL-SETPT-CTRL</h5>
<p class="MsoBodyText">Code word specifies the loop temperature control
sequence:</p>
<p class="CodeWord">FIXED specifies that the loop supply
temperature is controlled to a fixed value, specified by the COOL-SEPT-T</p>
<p class="CodeWord">OA-<font style="background-color: rgb(49, 106, 197);" color="#ffffff">RESET</font> specifies that the loop supply
temperature is <font style="background-color: rgb(49, 106, 197);" color="#ffffff">reset</font> on outdoor air according to the COOL-<font style="background-color: rgb(49, 106, 197);" color="#ffffff">RESET</font>-SCH.</p>
<p class="CodeWord">SCHEDULED specifies that the loop supply
temperature is controlled to a schedule specified by the COOL-SETPT-SCH.</p>
<p class="CodeWord">LOAD-<font style="background-color: rgb(49, 106, 197);" color="#ffffff">RESET</font> specifies that the loop supply
temperature is <font style="background-color: rgb(49, 106, 197);" color="#ffffff">reset</font> so that the valve of the worst-case coil is fully
open. The minimum <font style="background-color: rgb(49, 106, 197);" color="#ffffff">reset</font> temperature for a cooling-type loop is MIN-<font style="background-color: rgb(49, 106, 197);" color="#ffffff">RESET</font>-T. LOAD-<font style="background-color: rgb(49, 106, 197);" color="#ffffff">RESET</font> is applicable to
any loop serving a chilled-water coil (CHW, PIPE2). It is also applicable to a
condenser-water loop; here this control mode will enable the cooling tower
temperature to float with the load and <font style="background-color: rgb(49, 106, 197);" color="#ffffff">wet</font>-<font style="background-color: rgb(49, 106, 197);" color="#ffffff">bulb</font> temperature as described in the cooling tower
sections. </p>
<p class="CodeWord"> Since a WLHP loop also uses
a cooling tower, LOAD-<font style="background-color: rgb(49, 106, 197);" color="#ffffff">RESET</font> is applicable to the heat-rejection side of a WLHP
loop. It does not apply, however, to the heating setpoint of a WLHP loop. </p>
<p class="CodeWord"> This mode maximizes the
efficiency of the primary equipment and minimizes the loop's thermal losses (but
at the expense of pumping energy in a variable-flow loop). Refer to
LOOP-FLOW-<font style="background-color: rgb(49, 106, 197);" color="#ffffff">RESET</font> for
information on how to minimize the pumping penalties associated with this
control scheme.</p></div><br><br><div class="gmail_quote">On Fri, Nov 19, 2010 at 5:26 AM, Chris Jones <span dir="ltr"><<a href="mailto:cj@enersave.ca">cj@enersave.ca</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div>
I believe that the CONT-SETPT-CTRL = VARIABLE provides similar
control?<div class="im"><br><br>
At 08:16 AM 19/11/2010, Brian Fountain wrote:<br>
</div><blockquote type="cite"><div class="im"><font size="2" face="Calibri">In
DOE-2.1e, you had the option of condenser loop control by wet-bulb
reset. I cannot figure out how to do that in DOE-2.2. Any
suggestions or was this option lost in the combining of systems &
plants.<br><br>
<br>
</font><br></div>
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<br>
Chris Jones<br>
14 Oneida Avenue<br>
Toronto, ON M5J 2E3.<br>
Tel. 416-203-7465<br>
Fax. 416-946-1005<br><br>
</p></div>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Carol Gardner PE<br>
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