{"id":1905,"date":"2015-11-13T18:42:52","date_gmt":"2015-11-14T02:42:52","guid":{"rendered":"http:\/\/hellbach.us\/blog\/?p=1905"},"modified":"2024-03-22T10:12:20","modified_gmt":"2024-03-22T17:12:20","slug":"peltier-cooler-conical-system","status":"publish","type":"post","link":"https:\/\/hellbach.us\/blog\/food-drink\/beer\/peltier-cooler-conical-system\/","title":{"rendered":"Peltier Cooler Conical System"},"content":{"rendered":"<div class='__iawmlf-post-loop-links' style='display:none;' data-iawmlf-post-links='[{&quot;id&quot;:1558,&quot;href&quot;:&quot;http:\\\/\\\/conical-fermenter.com\\\/TemperatureControlledBuildSetup.pdf&quot;,&quot;archived_href&quot;:&quot;http:\\\/\\\/web-wp.archive.org\\\/web\\\/20241202234756\\\/https:\\\/\\\/www.conical-fermenter.com\\\/TemperatureControlledBuildSetup.pdf&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[{&quot;date&quot;:&quot;2025-11-18 22:29:18&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2025-12-15 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22:30:43&quot;,&quot;http_code&quot;:403},{&quot;date&quot;:&quot;2026-03-03 16:16:07&quot;,&quot;http_code&quot;:403}],&quot;broken&quot;:false,&quot;last_checked&quot;:{&quot;date&quot;:&quot;2026-03-03 16:16:07&quot;,&quot;http_code&quot;:403},&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:1566,&quot;href&quot;:&quot;http:\\\/\\\/www.homebrewersassociation.org\\\/pimp-my-system\\\/peltier-cooler-conical-system&quot;,&quot;archived_href&quot;:&quot;http:\\\/\\\/web-wp.archive.org\\\/web\\\/20160616214938\\\/http:\\\/\\\/www.homebrewersassociation.org\\\/pimp-my-system\\\/peltier-cooler-conical-system\\\/&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[{&quot;date&quot;:&quot;2025-11-18 22:30:46&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2025-12-15 12:16:27&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-03-03 16:16:22&quot;,&quot;http_code&quot;:206}],&quot;broken&quot;:false,&quot;last_checked&quot;:{&quot;date&quot;:&quot;2026-03-03 16:16:22&quot;,&quot;http_code&quot;:206},&quot;process&quot;:&quot;done&quot;}]'><\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" src=\"http:\/\/s3-us-west-2.amazonaws.com\/homebrewassoc\/wp-content\/uploads\/2015\/11\/13172740\/peltier-cooler-conical-featured.jpg\" alt=\"\" width=\"287\" height=\"412\" \/>Good fermentation and happy yeast often comes down to temperature. Too cold and the yeast goes dormant, too hot and they indulge in an orgy of fermentation that\u2019s difficult to fix. You could submerge it in cold water and periodically add ice to cool it down, or throw a warm blanket around it and hope for the best. However, neither of these two methods, or any other difficult to control method is less than ideal.<\/p>\n<h2>Cooling System Inspiration &amp; Function<\/h2>\n<p>Dan Curtis, who joined the AHA in 2012, agreed. When he purchased his conical fermenter a few years ago, he wanted to control his beer but not swallow the extra cost for a cooling unit.<\/p>\n<p>After a year of unhappy fermentation, he modified his 14-gallon MoreBeer! conical fermenter for a Peltier cooler\u00a0and heater system with a dual stage temperature controller, which he mentions can chill his beer to 33\u00b0F (0.5\u00b0C) with an ambient temperature of 67\u00b0F (19.4\u00b0C).<\/p>\n<p>Below are the instructions that can be used for a 14-gallon conical fermenter, in conjunction with the <a class=\"pdf\" href=\"http:\/\/conical-fermenter.com\/TemperatureControlledBuildSetup.pdf\" target=\"_blank\" rel=\"nofollow noopener\">Peltier cooler\u00a0fermentation system instructions<\/a>\u00a0provided by Rob Swanson. Curtis used Swanson\u2019s instructions as a springboard for his build and although his instructions aren\u2019t step-by-step, they should provide some insight into how the build was completed.<\/p>\n<h2>Materials<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19534 alignright\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/homebrewassoc\/wp-content\/uploads\/2015\/11\/13153035\/FULL-FERMENTER-SET-UP.jpg\" alt=\"FULL-FERMENTER-SET-UP\" width=\"250\" height=\"335\" \/><\/p>\n<ul>\n<li>14-gallon conical fermenter<\/li>\n<li>12 ft of 22ga wire<\/li>\n<li>12 ft 18ga wire<\/li>\n<li>Wire cutters<\/li>\n<li><a href=\"http:\/\/amzn.to\/1NRsGFx\" target=\"_blank\" rel=\"nofollow noopener\">500w Computer PSU<\/a><\/li>\n<li><a href=\"http:\/\/amzn.to\/1McOlFU\" target=\"_blank\" rel=\"nofollow noopener\">Control Products dual Stage Controller TC9102D<\/a><\/li>\n<li><a href=\"http:\/\/www.ebay.com\/itm\/370605372674?ssPageName=STRK:MEWAX:IT&amp;_trksid=p3984.m1423.l2649\" target=\"_blank\" rel=\"nofollow noopener\">Thermal Grease<\/a>: Buy\u00a010 and get 30\u00a0free in order to cover the four Peltiers and the fermenter side of the aluminum blocks.\u00a0 These tubes are small. Make sure you use plenty of thermal grease.<\/li>\n<li>4x <a href=\"http:\/\/www.amazon.com\/HP-364409-001-Heatsink-Assembly-Compatible\/dp\/B009993AKU\" target=\"_blank\" rel=\"nofollow noopener\">CPU\u00a0Heatsinks with fan<\/a><\/li>\n<li><a href=\"http:\/\/www.amazon.com\/Breeze-Make-A-Clamp-Stainless-System-contains\/dp\/B009SD0CNK\/ref=sr_1_2?ie=UTF8&amp;qid=1391098199&amp;sr=8-2&amp;keywords=make+a+clamp\" target=\"_blank\" rel=\"nofollow noopener\">Breeze Make-A-Clamp Kit SS<\/a><\/li>\n<li>\u00be\u201d black foam type insulation<\/li>\n<li>4x <a href=\"http:\/\/www.ebay.com\/itm\/280404818621?ssPageName=STRK:MEWNX:IT&amp;_trksid=p3984.m1439.l2649\" target=\"_blank\" rel=\"nofollow noopener\">Peltier chips<\/a>\u00a0(you can find less expensive chips on eBay if you\u2019re willing to wait)<\/li>\n<li>2x\u00a0<a href=\"https:\/\/www.onlinemetals.com\/index.cfm\" target=\"_blank\" rel=\"nofollow noopener\">Aluminum\u00a0plates<\/a>\u00a010\u2033 (T6511)<\/li>\n<\/ul>\n<h2>Instructions<\/h2>\n<p><strong>Step 1:<\/strong> First you need to mill the aluminum, which if you don\u2019t know an experienced machinist, can be difficult to find. I suggest finding someone who has a Computerized Numerical Control (CNC) machine, which use computer controls to cut different materials before you begin this project, so this step is done correctly. This could take a while, and will cost in the $100 range or less.<\/p>\n<p>The fit between the conical and the metal heat sink needs to be precise. The aluminum needs to be milled to fit the curvature of the conical. After you have your plates milled, make sure to have the parts lapped or sanded down to ensure quality contact with the Peltiers and fermenters. The first time I constructed this system, I didn\u2019t do this step and noticed a significant difference once I did.<\/p>\n<p><strong>Step 2:\u00a0<\/strong>You need to override the jumper on your PSU to cause it to start without a motherboard. See here for instructions (switch is optional). Next, cut the black molex connector from the CPU cable of the PSU. You\u2019ll have four black-yellow 12v rails for the four Peltier chips.<\/p>\n<p><strong>Step 3:\u00a0<\/strong>Clean every contact surface with rubbing alcohol to ensure a clean surface.<\/p>\n<p><b>Step 4:\u00a0<\/b>With your CPU heatsinks with fan, remove the fan and swamp the fan direction. This helps to remove heat from the Peltiers. Next, identify the cold side of your Peltier and place the cold side down on the heatsink.<\/p>\n<p><em><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19540 size-full\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/homebrewassoc\/wp-content\/uploads\/2015\/11\/13153858\/blocks.jpg\" alt=\"fermenter with blocks on \" width=\"600\" height=\"338\" \/><\/em><\/p>\n<p><em>Note: It is important to have the heatsinks tightly snug with the Peltier chips between them and the aluminum blocks. I used #6-32 1\/2\u2033 screws and shimmed them up if they were too long with #6 flat washers.<\/em><\/p>\n<p><strong>Step 5: <\/strong>Apply the thermal grease to fill invisible thermal gaps. Spread between the aluminum block and the Peltier, as well as the Peltier and the CPU cooler.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19537\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/homebrewassoc\/wp-content\/uploads\/2015\/11\/13153221\/COOLING-BLOCKS-WITH-PELTIER-CHIPS.jpg\" alt=\"COOLING-BLOCKS-WITH-PELTIER-CHIPS\" width=\"600\" height=\"338\" \/><\/strong><\/p>\n<p><strong>Step 6: <\/strong>I used 22 gauge wiring to connect the heatsink fans and used 18ga wiring to connect the Peltier chips all to the PSU\u2019s CPU wiring. I then used 3\/8\u2033 plastic protective wire wrap to run my wiring. Make sure to test the connections over a 20 to 40 minute period.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-19538\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/homebrewassoc\/wp-content\/uploads\/2015\/11\/13153332\/CONTROLLER-POWER-SWITCH-MOUNTED.jpg\" alt=\"CONTROLLER,-POWER-SWITCH-MOUNTED\" width=\"250\" height=\"335\" \/>Step 7:\u00a0<\/strong>For my setup, I didn\u2019t install a power supply on the fermenter, but installed it on the wall with a receptacle to plug in the power supply for cooling and the heating pad for heating. The 120V output for the controller was wired to the receptacles on the line side to supply power to the proper receptacle. I also installed a switch in the power supply to the controller so I could turn it on\/off with the flick of a switch.<\/p>\n<p><strong>Step 8:\u00a0<\/strong>I used a Breeze Make-A-Clamp Kit SS system to mount the aluminum blocks to the fermenter. I used two pieces to mount them. One above and one below the heat sink. Apply a thin layer of thermal grease to fill in the gaps of the plates.<\/p>\n<p><strong>Step 9: <\/strong>For insulation, I used 3\/4\u2033 black foam type insulation. You can use anything as long as it has good insulation. Make sure you take the correct measurements of your conical before you begin cutting and make sure to leave space for the bottom dump valve.<\/p>\n<h2>Notes<\/h2>\n<p>To keep the fermenters from being connected at all times to the power supply on the wall, \u00a0I used trailer wire harness plugs as indicated in the picture. \u00a0I put the female ones on the power supply side and the male ones on the fermenter side to allow the power supply leads to be protected if the power supply is on and not connected to a fermenter. These were purchased at Lowes. \u00a0To ensure quality connections in the Peltier cooler system, all wire splices should to soldered to ensure no heat is generated at the splice.<\/p>\n<p>&nbsp;<\/p>\n<p><em>source: <a href=\"http:\/\/www.homebrewersassociation.org\/pimp-my-system\/peltier-cooler-conical-system\/\" target=\"_blank\" rel=\"nofollow noopener\">HBA<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Good fermentation and happy yeast often comes down to temperature. Too cold and the yeast goes dormant, too hot and they indulge in an orgy of fermentation that\u2019s difficult to fix. You could submerge it in cold water and periodically &hellip; <a href=\"https:\/\/hellbach.us\/blog\/food-drink\/beer\/peltier-cooler-conical-system\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[130,131],"class_list":["post-1905","post","type-post","status-publish","format-standard","hentry","category-beer","tag-cooling-system","tag-peltier-cooler"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Peltier Cooler Conical System - Hellbach blog<\/title>\n<meta name=\"description\" content=\"Learn how to rig up your own peltier cooling and heating system to a conical fermenter.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hellbach.us\/blog\/food-drink\/beer\/peltier-cooler-conical-system\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Peltier Cooler Conical System\" \/>\n<meta property=\"og:description\" content=\"Learn how to rig up your own peltier cooling and heating system to a conical fermenter.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hellbach.us\/blog\/food-drink\/beer\/peltier-cooler-conical-system\/\" \/>\n<meta property=\"og:site_name\" content=\"Hellbach blog\" \/>\n<meta property=\"article:published_time\" content=\"2015-11-14T02:42:52+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T17:12:20+00:00\" \/>\n<meta name=\"author\" content=\"alex\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Peltier Cooler Conical System\" \/>\n<meta name=\"twitter:description\" content=\"Learn how to rig up your own peltier cooling and heating system to a conical fermenter.\" \/>\n<meta name=\"twitter:image\" content=\"http:\/\/s3-us-west-2.amazonaws.com\/homebrewassoc\/wp-content\/uploads\/2015\/11\/13172740\/peltier-cooler-conical-featured.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"alex\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/hellbach.us\/blog\/food-drink\/beer\/peltier-cooler-conical-system\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/hellbach.us\/blog\/food-drink\/beer\/peltier-cooler-conical-system\/\"},\"author\":{\"name\":\"alex\",\"@id\":\"https:\/\/hellbach.us\/blog\/#\/schema\/person\/9bf1a63e253268c42a6e9db64611c507\"},\"headline\":\"Peltier Cooler Conical System\",\"datePublished\":\"2015-11-14T02:42:52+00:00\",\"dateModified\":\"2024-03-22T17:12:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/hellbach.us\/blog\/food-drink\/beer\/peltier-cooler-conical-system\/\"},\"wordCount\":937,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/hellbach.us\/blog\/#\/schema\/person\/9bf1a63e253268c42a6e9db64611c507\"},\"image\":{\"@id\":\"https:\/\/hellbach.us\/blog\/food-drink\/beer\/peltier-cooler-conical-system\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/s3-us-west-2.amazonaws.com\/homebrewassoc\/wp-content\/uploads\/2015\/11\/13172740\/peltier-cooler-conical-featured.jpg\",\"keywords\":[\"cooling system\",\"Peltier Cooler\"],\"articleSection\":[\"beer\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/hellbach.us\/blog\/food-drink\/beer\/peltier-cooler-conical-system\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/hellbach.us\/blog\/food-drink\/beer\/peltier-cooler-conical-system\/\",\"url\":\"https:\/\/hellbach.us\/blog\/food-drink\/beer\/peltier-cooler-conical-system\/\",\"name\":\"Peltier Cooler Conical System - 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