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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hello Metkel,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>you have to utilize the greater than and less than function GT/LT in the right way.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>GT(Tamb,18)+LT(Tamb,14)*2<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US style='font-size:11.0pt;font-family:Wingdings;color:#1F497D'><span style='mso-list:Ignore'>è<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>0 no mode<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US style='font-size:11.0pt;font-family:Wingdings;color:#1F497D'><span style='mso-list:Ignore'>è<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>1 cooling mode<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US style='font-size:11.0pt;font-family:Wingdings;color:#1F497D'><span style='mso-list:Ignore'>è<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>2 heating mode<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Mit freundlichen Grüßen / Kind Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><br>Tillman Faßnacht<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Telefon: 0721 608 43769<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Von:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> trnsys-users-bounces@cae.wisc.edu [mailto:trnsys-users-bounces@cae.wisc.edu] <b>Im Auftrag von </b>metkell yebiyo<br><b>Gesendet:</b> Donnerstag, 13. Februar 2014 14:19<br><b>An:</b> trnsys-users@cae.wisc.edu<br><b>Betreff:</b> [TRNSYS-users] IF statemenet<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Dear TRNSYS users,<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.5pt;font-family:"Helvetica","sans-serif";color:black'>Could you anyone tell me if it is possible to write an if statement in the equation box,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.5pt;font-family:"Helvetica","sans-serif";color:black'>I am trying to send a control signal based on the outside temperature, if outside air temperature is<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.5pt;font-family:"Helvetica","sans-serif";color:black'>greater than 18 deg C then the heat pump would run in cooling mode else if the outside </span><span style='font-family:"Helvetica","sans-serif";color:black'>air temperature is less than 14 deg C then the heat pump would run in heating mode.</span><span style='font-size:12.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica","sans-serif";color:black'>Any suggestions would be appreciated thank you very much.</span><span style='font-size:12.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:12.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica","sans-serif";color:black'>Regards,</span><span style='font-size:12.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica","sans-serif";color:black'>Metkel<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Metkel Yebiyo BEng (Hons), MSc<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>CEREB PhD Researcher - Ground Source Heat Pumps <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Room T615 <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Department of Urban Engineering <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Faculty of Engineering, Science and the Built Environment<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>London South Bank University, <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>103 Borough Road,<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>London SE1 0AA<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>Tel: +44 (0)20 7815 7639<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica","sans-serif";color:black'>E: <a href="mailto:yebiyom@lsbu.ac.uk">yebiyom@lsbu.ac.uk</a><o:p></o:p></span></p></div></div></div></body></html>