{"id":117795,"date":"2023-08-18T12:07:30","date_gmt":"2023-08-18T10:07:30","guid":{"rendered":"https:\/\/www.velasolaris.com\/handbuch\/general-control-features\/"},"modified":"2025-10-21T13:03:59","modified_gmt":"2025-10-21T11:03:59","slug":"general-control-features","status":"publish","type":"handbuch","link":"https:\/\/www.velasolaris.com\/en\/handbuch\/polysun-designer\/controllers\/general-control-features\/","title":{"rendered":"General Control Features"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Controller-\u201cDescription\u201c\" style=\"font-size:30px\"><strong>Controller \u201cDescription\u201c<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Entering figures or text in the field \u201cDescription\u201c, these will appear after closing and re-opening the window in the title area of the controller:<\/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-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image196-1-1024x711.png\" alt=\"\" class=\"wp-image-71677\" style=\"width:571px;height:396px\" width=\"571\" height=\"396\"\/><figcaption class=\"wp-element-caption\">Figure: scalding protection for mixing valve controller<\/figcaption><\/figure>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Automatic-Numbering-of-Polysun:\" style=\"font-size:30px\"><strong>Automatic Numbering of Polysun:<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Adding multiple controllers in Polysun this latter will automatically assign each controller a consecutive number regardless of the fact that previously added controllers were later cancelled. Such consecutive numbers may be edited manually. A resetting of the consecutive numbering is, however, impossible. For each new system diagram the numbering will automatically start from \u201d1\u201c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Timer-Controller\" style=\"font-size:30px\"><strong>Timer Controller<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The \u201ctimer function\u201c may be used for all controllers, i.e the user will be able to define availability times in which the controller should be operating. This function enables to enter time, day and month in which the controller should be \u201dactive\u201c as required. In idle mode outputs are set to zero.\u00a0<\/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 loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.velasolaris.com\/wp-content\/uploads\/2023\/10\/image197-2.png\" alt=\"\" class=\"wp-image-71682\" style=\"width:567px;height:171px\" width=\"567\" height=\"171\"\/><figcaption class=\"wp-element-caption\">Figure: timer controller<\/figcaption><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The definition of independent \u201dweek and month profiles\u201c is not possible.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Controller-Outputs\" style=\"font-size:30px\"><strong>Controller Outputs<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Two parallel outputs are usually available.&nbsp; If two components need to be switched on and off in parallel this may be achieved by means of a special controller. In case of a number of parallel controlled components in excess of two the controller should be copied. An exception is provided by the mixing valve controller that only outputs an analogic signal.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u201cEnergy-Demand-Not-Covered\u201d\" style=\"font-size:30px\"><strong>\u201cEnergy Demand Not Covered\u201d<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A number of controllers (e.g.: temperature, flow rate) allow to set fixed and variable temperature settings. Sometimes after running a simulation the energy demand will be shown as \u201dnot covered\u201c. This may happen if the temperature settings or flow rates defined within controllers and user profiles are not reached.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You may, for example, have set a mixing valve controller to \u201dvariable temperature setting: hot water demand\u201c and entered in the hot water user profile a temperature of 50\u00b0C. If the controller was set so that the temperature setting for hot water may not be reached (e.g. due to temperature losses between mixing valve and tap) Polysun will show the report \u201cEnergy demand not covered\u201d once the simulation is over. If this is the case check the state of the different temperature levels and compensate the temperatures in the controllers by means of \u201ctemperature shift\u201c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If a \u201cEnergy demand not covered\u201c report is shown this does not mean that Polysun is making wrong calculations or that the hydraulic system is not correctly working&nbsp; but that information is only available on whether&nbsp; the entered temperature levels and flow rates were reached. The generated solar yields will be correct also if temperature levels and flow rates were not reached. In this case check the parameters entered in the controllers and the different values against the hourly results of the individual components.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Sign-of-Output\" style=\"font-size:30px\"><strong>Sign of Output<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Output signals can be digital (0 or 1) or analogic (0\u20261). If the notation of the employed ratings matches the actual situation (e.g. higher temperature &gt; lower temperature) the output signal will be 1 (\u201ctrue\u201c). This corresponds to the \u201cnormal\u201c sign. If an \u201cinverted\u201d sign is used the output signal will be computed&nbsp; 1-x. In the above example 0 (false) would be the output. Such convention applies to both output signals so long as both were duly defined. If the pump shown in the time window is disabled the output signal will be 0 also in case of inverted choice.&nbsp;<\/p>\n","protected":false},"author":19748,"featured_media":0,"parent":117529,"menu_order":39,"comment_status":"closed","ping_status":"closed","template":"","class_list":["post-117795","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>General Control Features - POLYSUN<\/title>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"General Control Features\" \/>\n<meta property=\"og:description\" content=\"Controller \u201cDescription\u201c Entering figures or text in the field \u201cDescription\u201c, these will appear after...\" \/>\n<meta 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