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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%" height="26">Autor</th> <th class="thCornerR">Wiadomość</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>loiwtjsf</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/subSilver/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Wysłany: Nie 0:49, 08 Maj 2011<span class="gen"> </span> Temat postu: franklin and marshall sale Inverter and the PLC in</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Inverter and the PLC in the central air conditioning system Renovation <br /> <br /> <br />Is not the same. In the use of air conditioning, if the detected temperature is higher than the set temperature, the inverter output frequency must be accelerated; and in the use of heating, if the detected temperature is higher than the set temperature, the inverter output frequency to be reduced. Therefore, we must add the control system, summer / winter switch to ensure the accuracy of control. 3 Conclusion centralized air conditioning system and fan control with frequency converter and the PLC, you can use the constant parameters (pressure, pressure, temperature, temperature, etc.) to control, when the parameters of reduced or increased, by reducing or increasing the pump speed to reduce Little or increase supply (or wind) capacity to maintain a constant air-conditioning pipe network parameters to achieve the purpose of energy-efficient. References: 【1] Li Fang Park. Application of the drive industry [MI. Beijing: China Electric Power Press, 2006. 【2] Li Fang Park. Inverter application technology [M]. Beijing: Science Press, 2008. [3】 leaves, LITERATURE, Dong Tao. Dual-duct VAV air conditioning system design [J1. HVAC,<a href="http://www.franklinandmarshalluk.com" target="_blank" class="postlink">franklin and marshall sale</a>, 2008,<a href="http://www.christianlouboutinskodk.com" target="_blank" class="postlink">louboutin københavn</a>, (1). Received date :2008-11-17 Revised :2008-12-15ApplicationofTransducerandPLCintheReformoftheConcentrationAir-cOnditi0ningSystemLIFang - yuan (ZhejiangBusinessTechnologyInstitute, Ning ~ o315012, China) Abstract: Anewcontrolmethodwasintroducedandappliedtoreformthefanandwatersysteminconcentrationair-conditioning, whichusedthepopularandmaturecontroltechnologyoftransducerandPLC. Asaresult,<a href="http://www.mulberrytaskeroutlet.com" target="_blank" class="postlink">alexa mulberry taske</a>, thesystemcanrununderautomaticclosed-loopcontrolandbecomeenergy-saving. Keywords: transducer; PLC; concentrationair-conditioning; watercirculation; fan; reform Author: Li Fang Yuan (1973 a), male, Zhejiang Zhoushan people, Bachelor of Engineering, senior engineer, engaged in automatic control teaching and research. ApplicationandAnalysisoftheNippleThrottleZHANGYong (GREEElectricAppliances. INC.ofZhuhaiCo., Ltd, MechardcalandElectricalTechnologyResearchlrastitute, Zhuhai519070, China) Abstract: Capillary, electronicexpansionvalveandthermalexpansionvalveweremainpartsforthrottlingofairconditioneratpresent. Asanewkindofthrottlingmethodappearedinrecentyears, nipplethrottlingcannotonlyhelptosaverawmaterials,<a href="http://www.edhardysuomessafi.com" target="_blank" class="postlink">ed hardy vaatteet</a>, laborcostandshortenproductionprocess, butalsoimprovesintegralperformanceandreliability0ftheairconditioner. Keywords: nipplethrottling; cost; reliability; performance Author: Zhang Yong (1980), male, martial arts people in Shaanxi, bachelor,<a href="http://www.mulberrytaskeroutlet.com" target="_blank" class="postlink">mulberry outlet</a>, X-engineers, project leader, in the efficient system and compressor reliability. Ellipsoid l67 <br /> <br />相关的主题文章： <br /> <br /> <br /> <a href="http://loonjlze.tradea.org/114107/Franklin+Marshall+pas+cher+Packaging+design+_5278.html" target="_blank" class="postlink">Franklin Marshall pas cher Packaging design _5278</a> <br /> <br /> <a href="http://lofmfzfs.xanga.com/747223391/franklin-et-marshall-packing-terms-the-details-can-not-be-ig/" target="_blank" class="postlink">franklin et marshall Packing terms the details can not be ig</a> <br /> <br /> <a href="http://www.ecid.fora.pl/ogolne,1/franklin-and-marshall-clothing-_4150-the-latest-de,41274.html#41216" target="_blank" class="postlink">christian louboutin shoes _4150 the latest develop</a></span></td> </tr> </table></td> </tr> <tr> <td colspan="2" height="1" class="spaceRow"><img src="http://picsrv.fora.pl/subSilver/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </table>
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