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    Pradhumna Adhikari<br>
     There is not really enough information here to diagnose the
    problem. I would recommend that you send an email to your
    distributor. Please include additional details explaining the
    difficulty you are having, explaining what the error is, and
    including the simulation project file as well as any other files
    needed in order to run the simulation. Please also be aware that
    Type12 makes some assumptions about the way in which the house is
    controlled. Please make sure to read the Type12 section of the
    04-MathematicalReference manual to understand the model's controls
    assumptions.<br>
    kind regards,<br>
     David<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 04/14/2016 03:30, Pradhumna Adhikari
      wrote:<br>
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      <p dir="ltr">Dear all,<br>
        I am simulating a solar air heater coupled with rock bed storage
        and auxiliary heater to heat Type 12 load structure.
        <br>
        I use differential controller for the collector and rock bed.<br>
        But I am having difficulty to develop a control strategy to
        first use solar as a primary source, pebble bed as secondary and
        auxiliary as a last option.<br>
        Also error occurs.</p>
      <p dir="ltr">Please help in this matter. </p>
      <p dir="ltr">Thanks</p>
      <br>
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    <br>
    <pre class="moz-signature" cols="72">-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
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