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	<id>https://energypedia.idea-sketch.com/index.php?action=history&amp;feed=atom&amp;title=Chillers_%28PA_Technology%29</id>
	<title>Chillers (PA Technology) - Revision history</title>
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	<updated>2026-04-29T12:37:18Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://energypedia.idea-sketch.com/index.php?title=Chillers_(PA_Technology)&amp;diff=89247&amp;oldid=prev</id>
		<title>Axel Heinemann at 21:30, 9 November 2014</title>
		<link rel="alternate" type="text/html" href="https://energypedia.idea-sketch.com/index.php?title=Chillers_(PA_Technology)&amp;diff=89247&amp;oldid=prev"/>
		<updated>2014-11-09T21:30:06Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:30, 9 November 2014&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Powering Agriculture Technology Database&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Powering Agriculture Technology Database&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|PAT quality check=Yes&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|PAT Name=Chillers&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|PAT Name=Chillers&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|PAT Picture=&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Chiller&lt;/del&gt;.jpg&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|PAT Picture=&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Chiller2&lt;/ins&gt;.jpg&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|PAT Type EE=Energy Efficiency&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|PAT Type EE=Energy Efficiency&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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		<author><name>Axel Heinemann</name></author>
	</entry>
	<entry>
		<id>https://energypedia.idea-sketch.com/index.php?title=Chillers_(PA_Technology)&amp;diff=89060&amp;oldid=prev</id>
		<title>Axel Heinemann: 1 revision</title>
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		<updated>2014-11-08T16:51:36Z</updated>

		<summary type="html">&lt;p&gt;1 revision&lt;/p&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:51, 8 November 2014&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
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		<author><name>Axel Heinemann</name></author>
	</entry>
	<entry>
		<id>https://energypedia.idea-sketch.com/index.php?title=Chillers_(PA_Technology)&amp;diff=89059&amp;oldid=prev</id>
		<title>Franz Schreier at 05:35, 28 October 2014</title>
		<link rel="alternate" type="text/html" href="https://energypedia.idea-sketch.com/index.php?title=Chillers_(PA_Technology)&amp;diff=89059&amp;oldid=prev"/>
		<updated>2014-10-28T05:35:31Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Powering Agriculture Technology Database&lt;br /&gt;
|PAT quality check=Yes&lt;br /&gt;
|PAT Name=Chillers&lt;br /&gt;
|PAT Picture=Chiller.jpg&lt;br /&gt;
|PAT Type EE=Energy Efficiency&lt;br /&gt;
|PAT Type RE=Renewable Energy&lt;br /&gt;
|PAT Description=A chiller is a machine that removes heat from a liquid via a vapor-compression or absorption refrigeration cycle. This liquid can then be circulated through a heat exchanger to cool air or equipment as required. As a necessary byproduct, refrigeration creates waste heat that must be exhausted to ambient or, for greater efficiency, recovered for heating purposes. Concerns in design and selection of chillers include performance, efficiency, maintenance and product life cycle environmental impact.&lt;br /&gt;
&lt;br /&gt;
Existing chiller technology can be operated with renewable energies.&lt;br /&gt;
&lt;br /&gt;
New environmental friendly refrigerants like NH4 (amonia), CO2, Propane or water will gain more and more importance.&lt;br /&gt;
&lt;br /&gt;
Cooling is responsible for almost 15% of the worlds electricity consumption. The energy saving potentials are high.&lt;br /&gt;
|PAT Technology Application Solar=Solar&lt;br /&gt;
|PAT Technology Application Wind=Wind&lt;br /&gt;
|PAT Technology Application Hydro=Hydro&lt;br /&gt;
|PAT Technology Application Energy Efficiency=Energy Efficiency&lt;br /&gt;
|PAT Value Processing=Processing&lt;br /&gt;
|PAT Actions Drying=Drying&lt;br /&gt;
|PAT Actions Cooling=Cooling&lt;br /&gt;
|PAT Actions Other=Space cooling, dehumidification&lt;br /&gt;
|PAT Commodity Other=All commodity groups with cooling requirements&lt;br /&gt;
|PAT Dev Region Worldwide=Worldwide&lt;br /&gt;
|PAT Dev Region South Asia=&lt;br /&gt;
|PAT Dev Country South Asia=&lt;br /&gt;
|PAT Dev Region Africa=&lt;br /&gt;
|PAT Dev Country Africa=&lt;br /&gt;
|PAT Dev Region East Asia=&lt;br /&gt;
|PAT Dev Country East Asia=&lt;br /&gt;
|PAT Dev Region Europe=&lt;br /&gt;
|PAT Dev Country Europe=&lt;br /&gt;
|PAT Dev Region Latin America=&lt;br /&gt;
|PAT Dev Country Latin America=&lt;br /&gt;
|PAT Dev Region Middle East=&lt;br /&gt;
|PAT Dev Country Middle East=&lt;br /&gt;
|PAT Dev Region North America=&lt;br /&gt;
|PAT Dev Country North America=&lt;br /&gt;
|PAT Dep Region Worldwide=Worldwide&lt;br /&gt;
|PAT Dep Region South Asia=&lt;br /&gt;
|PAT Dep Country South Asia=&lt;br /&gt;
|PAT Dep Region Africa=&lt;br /&gt;
|PAT Dep Country Africa=&lt;br /&gt;
|PAT Dep Region East Asia=&lt;br /&gt;
|PAT Dep Country East Asia=&lt;br /&gt;
|PAT Dep Region Europe=&lt;br /&gt;
|PAT Dep Country Europe=&lt;br /&gt;
|PAT Dep Region Latin America=&lt;br /&gt;
|PAT Dep Country Latin America=&lt;br /&gt;
|PAT Dep Region Middle East=&lt;br /&gt;
|PAT Dep Country Middle East=&lt;br /&gt;
|PAT Dep Region North America=&lt;br /&gt;
|PAT Dep Country North America=&lt;br /&gt;
|PAT Dep Pot Region Worldwide=Worldwide&lt;br /&gt;
|PAT Dep Pot Region South Asia=&lt;br /&gt;
|PAT Dep Pot Country South Asia=&lt;br /&gt;
|PAT Dep Pot Region Africa=&lt;br /&gt;
|PAT Dep Pot Country Africa=&lt;br /&gt;
|PAT Dep Pot Region East Asia=&lt;br /&gt;
|PAT Dep Pot Country East Asia=&lt;br /&gt;
|PAT Dep Pot Region Europe=&lt;br /&gt;
|PAT Dep Pot Country Europe=&lt;br /&gt;
|PAT Dep Pot Region Latin America=&lt;br /&gt;
|PAT Dep Pot Country Latin America=&lt;br /&gt;
|PAT Dep Pot Region Middle East=&lt;br /&gt;
|PAT Dep Pot Country Middle East=&lt;br /&gt;
|PAT Dep Pot Region North America=&lt;br /&gt;
|PAT Dep Pot Country North America=&lt;br /&gt;
|PAT Manufacturers=Carrier&lt;br /&gt;
&lt;br /&gt;
York&lt;br /&gt;
&lt;br /&gt;
Trane&lt;br /&gt;
&lt;br /&gt;
Copeland&lt;br /&gt;
|PAT Economics=The investment in a replacment old chiller system by new and efficient ones will be paid back short-term in many cases.&lt;br /&gt;
|PAT Technology Development Level=Widespread use;&lt;br /&gt;
|PAT Maintenance=High: Technology can only be maintained through its life cycle with uncommon tools and requires trained professionals for maintenance;&lt;br /&gt;
|PAT Infrastructure=High: Technology development requires either, high-development level supporting technologies or mid-development level supporting technologies and uncommon tools and professional personnel;&lt;br /&gt;
|PAT Required Resources Manufacture=Metals, Plastics, Chemicals&lt;br /&gt;
|PAT Required Resources Operation=Refrigerant, lubricants, electricity, water (in case of water-cooled chillers;&lt;br /&gt;
|PAT Deployment Level=Worldwide use;&lt;br /&gt;
|PAT Deployment Capability=The hugh potenzial for energy saving measures has to be deployed, limitations are education and trained people;&lt;br /&gt;
|PAT Requirements for Deployment=Training and education regarding the potential for energy saving measures, for use of renewable energies in cooling processes and for the replacement of environmentally critical refrigerants;&lt;br /&gt;
|PAT Relevance Autonomy=Requires supporting technology, energy and services from outside;&lt;br /&gt;
|PAT Environment Impacts=Leaking refrigerants, heat;&lt;br /&gt;
|PAT Bio-Cybernetic=High degree of conformity, when natural cooling is tapped to full potential, when chillers are operated with renewable energies and environmental friendly refrigerants, when heat recovery for thermal use and when recycling of the equipment is realized;&lt;br /&gt;
|PAT Links=http://en.wikipedia.org/wiki/Chiller&lt;br /&gt;
&lt;br /&gt;
http://www.carrier.com&lt;br /&gt;
&lt;br /&gt;
http://www.york.com/&lt;br /&gt;
&lt;br /&gt;
http://www.trane.com&lt;br /&gt;
&lt;br /&gt;
http://frigopol.com/de/downloads/verdichter/&lt;br /&gt;
|PAT Category=Cooling&lt;br /&gt;
|PAT Pumping=&lt;br /&gt;
|PAT Lighting=&lt;br /&gt;
|PAT Heating=&lt;br /&gt;
|PAT Cooling=Cooling Equipment&lt;br /&gt;
|PAT Wind=&lt;br /&gt;
|PAT Biomass=&lt;br /&gt;
|PAT Biofuel=&lt;br /&gt;
|PAT Biogas=&lt;br /&gt;
|PAT Humans=&lt;br /&gt;
|PAT Animals=&lt;br /&gt;
|PAT Biochar=&lt;br /&gt;
|PAT Composte=&lt;br /&gt;
|PAT Insects=&lt;br /&gt;
|PAT Plants=&lt;br /&gt;
|PAT Others=&lt;br /&gt;
}}&lt;/div&gt;</summary>
		<author><name>Franz Schreier</name></author>
	</entry>
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