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<body class='hmmessage'><div dir='ltr'><P style="TEXT-ALIGN: left; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>Dear users, <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
<P style="TEXT-ALIGN: left; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US><o:p> </o:p></SPAN></P>
<P style="TEXT-ALIGN: left; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>Hi all!<o:p></o:p></SPAN></P>
<P style="TEXT-ALIGN: left; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>I’m using TRNSYS to model a typical HVAC system,i.e.,chiller( type666) and fan coil(type 508a) combined a building model(type 56). I set a room thermostat(type645) for room temperature control, but I found that the chiller has oscillations which result in chilled water temperature fluctuated strongly <SPAN style="mso-spacerun: yes"> </SPAN>several times even in an hour</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">。<SPAN lang=EN-US>My question is as following:<o:p></o:p></SPAN></SPAN></P>
<P style="TEXT-ALIGN: left; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US><o:p> </o:p></SPAN></P>
<P style="TEXT-ALIGN: left; TEXT-INDENT: -18pt; MARGIN: 0cm 0cm 0pt 18pt; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt; mso-char-indent-count: 0; mso-list: l0 level1 lfo1" class=MsoListParagraph align=left><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US><SPAN style="mso-list: Ignore">1.<SPAN style="FONT: 7pt 'Times New Roman'"> </SPAN></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>Is there any idea to control Type666 to output its cooling capacity as 0.25,0.5,0.75, 1,like stages control? <o:p></o:p></SPAN></P>
<P style="TEXT-ALIGN: left; TEXT-INDENT: -18pt; MARGIN: 0cm 0cm 0pt 18pt; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt; mso-char-indent-count: 0; mso-list: l0 level1 lfo1" class=MsoListParagraph align=left><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US><SPAN style="mso-list: Ignore">2.<SPAN style="FONT: 7pt 'Times New Roman'"> </SPAN></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>Should I set more chiller(equally sized) in the model to realize the number of chillers control instead of one chiller?</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US><o:p> </o:p></SPAN></P>
<P style="TEXT-ALIGN: left; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US><o:p> </o:p></SPAN></P>
<P style="TEXT-ALIGN: left; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>I did not found the relevant information in the forum. Can someone please help me with this issue?<o:p></o:p></SPAN></P>
<P style="TEXT-ALIGN: left; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US><o:p> </o:p></SPAN></P>
<P style="TEXT-ALIGN: left; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>With best wishes<o:p></o:p></SPAN></P>
<P style="TEXT-ALIGN: left; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>Yours sincerely<o:p></o:p></SPAN></P>
<P style="TEXT-ALIGN: left; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>Wu weiwei<o:p></o:p></SPAN></P> </div></body>
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