<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:24px"><div dir="ltr" id="yui_3_16_0_1_1418741229578_131835">Dear All,</div><div id="yui_3_16_0_1_1418741229578_131891" dir="ltr">I am simulating solar cooling absorption chiller and I am using type 108 on/off thermostat to control room temperature with all pumps ,fans ..etc.</div><div id="yui_3_16_0_1_1418741229578_132144" dir="ltr">with this information:</div><div id="yui_3_16_0_1_1418741229578_131893" dir="ltr">monitoring temp=26 C</div><div id="yui_3_16_0_1_1418741229578_132146" dir="ltr">1st stage cooling set point=20.5 C</div><div id="yui_3_16_0_1_1418741229578_132166" dir="ltr">2nd stage =35C</div><div id="yui_3_16_0_1_1418741229578_132167" dir="ltr">No heat.</div><div id="yui_3_16_0_1_1418741229578_132168" dir="ltr">dead band =0.5 C</div><div id="yui_3_16_0_1_1418741229578_132169" dir="ltr">I got most of the time on and off for all system types controlled.</div><div id="yui_3_16_0_1_1418741229578_133227" dir="ltr">for example on for 5 min then off 10 min and on 5 min.as shown in attached photo.<br></div><div id="yui_3_16_0_1_1418741229578_132617" dir="ltr">any idea to solve this issue please?</div><div id="yui_3_16_0_1_1418741229578_132619" dir="ltr"><br></div><div id="yui_3_16_0_1_1418741229578_132620" dir="ltr">Regards,</div><div id="yui_3_16_0_1_1418741229578_132621" dir="ltr"><br></div><div id="yui_3_16_0_1_1418741229578_132622" dir="ltr">Safwan Kanan</div><div id="yui_3_16_0_1_1418741229578_132623" dir="ltr">Manchester University <br></div><div id="yui_3_16_0_1_1418741229578_132624" dir="ltr">Manchester</div><div id="yui_3_16_0_1_1418741229578_132625" dir="ltr">M13 9PL</div><div id="yui_3_16_0_1_1418741229578_132627" dir="ltr">UK<br></div><div id="yui_3_16_0_1_1418741229578_131894" dir="ltr"><br></div></div></body></html>