{"id":1292,"date":"2022-05-27T13:23:15","date_gmt":"2022-05-27T08:53:15","guid":{"rendered":"https:\/\/yektatadbirco.ir\/%da%86%db%8c%d9%84%d8%b1-%d8%af%d9%88%d8%b1-%d8%ab%d8%a7%d8%a8%d8%aa-%da%a9%d9%86%d8%aa%d8%b1%d9%84-%d8%a8%d8%a7-picv\/"},"modified":"2022-05-27T15:00:59","modified_gmt":"2022-05-27T10:30:59","slug":"fixed-speed-chiller-picv-control","status":"publish","type":"post","link":"https:\/\/yektatadbirco.ir\/en\/fixed-speed-chiller-picv-control\/","title":{"rendered":"FIXED SPEED CHILLER &#8211; PICV CONTROL"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column width=&#8221;7\/12&#8243;][vc_column_text woodmart_inline=&#8221;no&#8221; text_larger=&#8221;no&#8221;]<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1086 size-full\" src=\"https:\/\/yektatadbirco.ir\/wp-content\/uploads\/2022\/02\/Yekta_Solution_Fixed-Speed-Chiller-PICV-Control.jpg\" alt=\"\" width=\"762\" height=\"660\" srcset=\"https:\/\/yektatadbirco.ir\/wp-content\/uploads\/2022\/02\/Yekta_Solution_Fixed-Speed-Chiller-PICV-Control.jpg 762w, https:\/\/yektatadbirco.ir\/wp-content\/uploads\/2022\/02\/Yekta_Solution_Fixed-Speed-Chiller-PICV-Control-150x130.jpg 150w, https:\/\/yektatadbirco.ir\/wp-content\/uploads\/2022\/02\/Yekta_Solution_Fixed-Speed-Chiller-PICV-Control-600x520.jpg 600w, https:\/\/yektatadbirco.ir\/wp-content\/uploads\/2022\/02\/Yekta_Solution_Fixed-Speed-Chiller-PICV-Control-300x260.jpg 300w\" sizes=\"auto, (max-width: 762px) 100vw, 762px\" \/>[\/vc_column_text][\/vc_column][vc_column width=&#8221;5\/12&#8243;][vc_column_text woodmart_inline=&#8221;no&#8221; text_larger=&#8221;no&#8221;]Fixed Speed Chiller &#8211; Plant Room<\/p>\n<p>with PICV control<\/p>\n<p>Function<\/p>\n<p>The fixed speed chillers are connected to the controller which opens and closes the flow through each chiller by turning the PICV on and off.<\/p>\n<p>The controller measures the inlet and outlet temperature to maximize Delta T and regulates the variable speed pump to maintain the required pump pressure.<\/p>\n<p>For optimal chiller efficiency, the use of cascade control is recommended.<\/p>\n<p>Benefits<\/p>\n<ul>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0The PICV ensures balancing of the flow and eliminates the use of both static balancing valves and differential pressure control valves.<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Simple installation as only the PICV is required with no need for additional pressure or flow balancing valves.<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Low total pressure loss in the system due to simple design.<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0The flow can be set directly on the PICV without the need of a manometer or a commissioning unit.<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0The differential pressure only needs to be checked at the PICV to set the required flow.<\/li>\n<\/ul>\n<p>Considerations<\/p>\n<ul>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0A metering station can be placed on the main line if additional flow verification is required by the witnessing authority.<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0A minimum bypass flow controlled by a dynamic flow limiter is required by the chiller to avoid freezing as they are running at full capacity when switched on.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column width=&#8221;7\/12&#8243;][vc_column_text woodmart_inline=&#8221;no&#8221; text_larger=&#8221;no&#8221;][\/vc_column_text][\/vc_column][vc_column width=&#8221;5\/12&#8243;][vc_column_text woodmart_inline=&#8221;no&#8221; text_larger=&#8221;no&#8221;]Fixed Speed Chiller &#8211; Plant Room with PICV control Function The fixed speed chillers<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[81],"tags":[],"class_list":["post-1292","post","type-post","status-publish","format-standard","hentry","category-applications"],"_links":{"self":[{"href":"https:\/\/yektatadbirco.ir\/en\/wp-json\/wp\/v2\/posts\/1292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yektatadbirco.ir\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yektatadbirco.ir\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yektatadbirco.ir\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yektatadbirco.ir\/en\/wp-json\/wp\/v2\/comments?post=1292"}],"version-history":[{"count":4,"href":"https:\/\/yektatadbirco.ir\/en\/wp-json\/wp\/v2\/posts\/1292\/revisions"}],"predecessor-version":[{"id":1346,"href":"https:\/\/yektatadbirco.ir\/en\/wp-json\/wp\/v2\/posts\/1292\/revisions\/1346"}],"wp:attachment":[{"href":"https:\/\/yektatadbirco.ir\/en\/wp-json\/wp\/v2\/media?parent=1292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yektatadbirco.ir\/en\/wp-json\/wp\/v2\/categories?post=1292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yektatadbirco.ir\/en\/wp-json\/wp\/v2\/tags?post=1292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}