{"id":117529,"date":"2023-08-16T10:18:48","date_gmt":"2023-08-16T08:18:48","guid":{"rendered":"https:\/\/www.velasolaris.com\/handbuch\/controllers\/"},"modified":"2025-10-21T09:49:19","modified_gmt":"2025-10-21T07:49:19","slug":"controllers","status":"publish","type":"handbuch","link":"https:\/\/www.velasolaris.com\/en\/handbuch\/polysun-designer\/controllers\/","title":{"rendered":"Controllers"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\" id=\"h-polysun-controllers-overview-and-operation\">Polysun Controllers: Overview and Operation<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">In this chapter we will provide an overview of the different controllers available in Polysun and their use and operation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The following controllers are currently implemented in Polysun:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Solar loop controller<\/li>\n\n\n\n<li>Variable speed pump controller<\/li>\n\n\n\n<li>Auxiliary heating controller<\/li>\n\n\n\n<li>Mixing valve controller<\/li>\n\n\n\n<li>Heating circuit controller<\/li>\n\n\n\n<li>Temperature controller with AND\/OR Operation&nbsp;<\/li>\n\n\n\n<li>Flow rate controller<\/li>\n\n\n\n<li>Irradiance controller<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Controller functions are basically editable at all user levels. Only the Designer level enables the user to individually integrate controllers within hydraulic schemes. Light level users will not be able to edit control outputs. Professional level users are able to edit the control parameters, but not the controller type.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Note<\/strong>: Controllers employed in Polysun templates are defined as they are normally used in practice. The pre-defined parameter settings do not in any way claim to ensure enhanced solar yields.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"Solar-loop-controller\"><a><\/a><strong>Solar loop controller<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The solar loop can be controlled in 4 different ways:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Fixed flow rate<\/li>\n\n\n\n<li>Specific flow rate per collector field (in l\/h per m\u00b2 of aperture area)<\/li>\n\n\n\n<li>Matched Flow<\/li>\n\n\n\n<li>Pressure drop according to the pump characteristics<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image184-3.png\" alt=\"\" class=\"wp-image-71621\"\/><\/figure>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"Variable-speed-pump-controller\"><strong>Variable speed pump controller<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Controls the flow rate of the primary pump so that the secondary side reaches a certain temperature.<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image185-2.png\" alt=\"\" class=\"wp-image-71623\"\/><\/figure>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"Auxiliary-heating-controller\"><strong>Auxiliary heating controller<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Can be used for internal electric resistance heaters and external boilers. The two output signals are equal and digital. Therefore, in certain cases, the controller can also be used for pumps.<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image186-2.png\" alt=\"\" class=\"wp-image-71625\"\/><\/figure>\n<\/div>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\" id=\"Mixing-valve-controller\"><strong>Mixing valve controller<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Generates an analog output signal and mixes two inlet temperatures to reach the requested value. The hotter connection is connected horizontally on the left side of the \u2018x\u2019 symbol. The colder connection is connected vertically by the \u2018x\u2019 symbol.<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image187-2.png\" alt=\"\" class=\"wp-image-71627\"\/><\/figure>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"Heating-circuit-controller\"><strong>Heating circuit controller<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Can be used to control the pump of the heating circuit.<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image188-1.png\" alt=\"\" class=\"wp-image-71629\"\/><\/figure>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"Temperature-controller-with-AND\/OR-operation\"><strong>Temperature controller with AND\/OR operation<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Generates a digital output signal and is best applied to switching valves. One output signal is calculated based on two temperature levels, which can be set freely. It can also be used as a controller for heat generators and pumps. Various reference temperatures can be linked logically with AND\/OR operations.<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image189-1.png\" alt=\"\" class=\"wp-image-71631\"\/><\/figure>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"Flow-rate-controller\"><strong>Flow rate controller<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Measures a flow rate and passes it on as a pump setting. The flow rate controller provides a digital output signal and thus can also be used to turn a heat generator on and off.<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image185-3.png\" alt=\"\" class=\"wp-image-71633\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image186-3.png\" alt=\"\" class=\"wp-image-71635\"\/><\/figure>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"Irradiance-controller\"><strong>Irradiance controller<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Provides a digital output signal based on different radiation intensity values.<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image184-4.png\" alt=\"\" class=\"wp-image-71637\"\/><\/figure>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"Programmable-controller\"><strong>Programmable controller<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Freely programmable with spreadsheet-linke functions. Dynamic control of any components (Polysun Designer and above).<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image190-1.png\" alt=\"\" class=\"wp-image-71639\" style=\"width:668px;height:470px\"\/><\/figure>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"Plugin-controller\"><strong>Plugin controller<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">External implementation of the control logic (e.g. in Python, Java, Matlab, \u2026) via a plugin (Polysun Research or Premium).<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image191-2.png\" alt=\"\" class=\"wp-image-71641\" style=\"width:66px;height:41px\"\/><\/figure>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image192-2.png\" alt=\"\" class=\"wp-image-71643\" style=\"width:62px;height:39px\"\/><\/figure>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image193-1.png\" alt=\"\" class=\"wp-image-71645\" style=\"width:59px;height:37px\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image194-1.png\" alt=\"\" class=\"wp-image-71647\" style=\"width:52px;height:32px\"\/><\/figure>\n<\/div>\n","protected":false},"author":19748,"featured_media":0,"parent":117910,"menu_order":50,"comment_status":"closed","ping_status":"closed","template":"","class_list":["post-117529","handbuch","type-handbuch","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Heat Pump Controllers: Overview and Operation<\/title>\n<meta name=\"description\" content=\"Learn about Polysun controllers: solar loop, variable speed pump, auxiliary heating, and more for efficient heat pump system design.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.velasolaris.com\/en\/handbuch\/polysun-designer\/controllers\/\" \/>\n<meta property=\"og:locale\" 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