12:58 Apr 3, 2003 |
English language (monolingual) [PRO] Tech/Engineering / chiller | |||||||
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| Selected response from: ntouzet (X) Local time: 10:22 | ||||||
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SUMMARY OF ALL EXPLANATIONS PROVIDED | ||||
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4 +1 | this means that the standard leaving evaporator water temperature |
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4 | en refroidissement |
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3 | reduce |
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reduce Explanation: pull down means reducing the temperature |
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this means that the standard leaving evaporator water temperature Explanation: range would be from 4 to 20, but when the chiller is in "temperature pull down condition", it's working harder and the leaving water temperature range would be allowed to exceed 20°C and even reach 25°C. See this (http://www.alaska.net/~fleetref/images/rsw.doc) Discharge pressure will drop as suction pressure drops, as brine temperature is pulled down, so occasional adjustment of condenser water flow is desirable during temperature pull down to keep system operating at best efficiency. |
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en refroidissement Explanation: Si l'évaporateur réchauffe l'eau de 4 à 20°C, il s'agit sans doute d'un ventiloconvecteur alimenté en eau glacée par un groupe central de production d'eau glacée. Le ventiloconvecteur est réversible, alimenté en eau chaude il sert de radiateur, en eau glacée c'est le terminal d'une installation de climatisation centralisée, donc dans ce cas il est en conditions de refroidissement de l'air ambiant. Le terme "climatisation" pourrait convenir aussi (opposition chauffage/climatisation ou chauffage/refroidissement) http://www.partenaires-ambiance.net/conseils/glossaire.html "Ventilo-convecteur Appareil de traitement d’air destiné au refroidissement ou au chauffage..." Reference: http://www.woertz.ch/download/FancoilF.pdf Reference: http://www.produits-construction.com/catalogue/ventilo-conve... |
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