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<p class="MsoNormal">Air Handler 2 (AHU-2) and its corresponding main exhaust fans EF4, EF5, EF6 which serves the lab side, north end of PRB are back online and normal operating parameters have resumed.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The cause of the outage was a loss of control system compressed air that closed the main inlet damper and triggered a shutdown interlock.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">A shorted wire was found in the power feed connection to the control compressor.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Replacement parts will be ordered and a final repair will be made at a later time.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">A temporary air compressor was placed in service and will remain until the main compressor repair is completed.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Labs served by AHU-1 (south end) saw elevated temperatures during this outage due to a combination of control-related factors that will be resolved in the planned outage taking place on Saturday.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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