{"id":73860,"date":"2023-10-03T10:33:27","date_gmt":"2023-10-03T08:33:27","guid":{"rendered":"https:\/\/www.velasolaris.com\/faq\/que-signifie-le-message-besoins-en-energie-non-couverts\/"},"modified":"2026-07-07T14:18:31","modified_gmt":"2026-07-07T12:18:31","slug":"que-signifie-le-message-besoins-en-energie-non-couverts","status":"publish","type":"faq","link":"https:\/\/www.velasolaris.com\/fr\/faq\/que-signifie-le-message-besoins-en-energie-non-couverts\/","title":{"rendered":"Que signifie le message \u00ab\u00a0Besoins en \u00e9nergie non couverts\u00a0\u00bb ?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Il se peut que l&rsquo;\u00e9nergie produite par les panneaux solaires et le chauffage d&rsquo;appoint ne suffise pas \u00e0 couvrir les besoins \u00e9nerg\u00e9tiques prescrits dans le projet. Dans ce cas, les temp\u00e9ratures de l&rsquo;eau chaude ou du b\u00e2timent s&rsquo;\u00e9cartent des valeurs de consigne prescrites dans le projet. Polysun signale de telles installations dans les graphiques et les rapports par le message \u00ab\u00a0Besoin \u00e9nerg\u00e9tique non couvert\u00a0\u00bb.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"M\u00f6gliche-Ursachen-und-empfohlene-Systemverbesserungen:\">Causes possibles et am\u00e9liorations recommand\u00e9es du syst\u00e8me :<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Une sous-couverture peut r\u00e9sulter d&rsquo;un apport \u00e9nerg\u00e9tique insuffisant dans l&rsquo;ensemble du syst\u00e8me. Le manque de couverture est visible dans les r\u00e9sultats des composants. Si le d\u00e9ficit n&rsquo;existe qu&rsquo;en hiver, il convient d&rsquo;augmenter le chauffage d&rsquo;appoint non solaire ; il est rarement possible d&rsquo;atteindre \u00e0 nouveau la couverture totale en augmentant la surface des capteurs. Mais la plupart du temps, il n&rsquo;y a pas trop d&rsquo;\u00e9nergie dans le syst\u00e8me, c&rsquo;est pourquoi il faut absolument v\u00e9rifier les points suivants :<\/li>\n\n\n\n<li>Il est possible qu&rsquo;un \u00e9changeur de chaleur mal dimensionn\u00e9 bloque le flux de chaleur (comparez les d\u00e9bits et les temp\u00e9ratures en amont et en aval des \u00e9changeurs de chaleur externes et contr\u00f4lez la surface des \u00e9changeurs de chaleur h\u00e9lico\u00efdaux internes).<\/li>\n\n\n\n<li>De m\u00eame, des sondes de temp\u00e9rature mal plac\u00e9es ou des param\u00e8tres de r\u00e9gulation erron\u00e9s dans les commandes peuvent \u00eatre \u00e0 l&rsquo;origine d&rsquo;une couverture insuffisante.<\/li>\n\n\n\n<li>La cause la plus fr\u00e9quente du message \u00ab\u00a0Besoins \u00e9nerg\u00e9tiques non couverts\u00a0\u00bb provient toutefois directement de la consommation d&rsquo;eau chaude. Il faut alors veiller \u00e0 ce que l&rsquo;eau chaude soit tir\u00e9e toutes les heures dans Polysun. Dans le cas de longues conduites et de grandes sections de tuyaux, seule l&rsquo;eau refroidie entre-temps atteint le consommateur et non l&rsquo;eau chaude du r\u00e9servoir. Il en r\u00e9sulte un d\u00e9ficit \u00e9nerg\u00e9tique. Il est possible d&rsquo;y rem\u00e9dier en raccourcissant les conduites et en r\u00e9duisant leur section ou en augmentant la quantit\u00e9 tir\u00e9e par heure.<\/li>\n<\/ul>\n","protected":false},"author":20541,"comment_status":"open","ping_status":"open","template":"","bereich":[539,542],"software":[904],"class_list":["post-73860","faq","type-faq","status-publish","hentry","bereich-top-story-fr","bereich-simulation-fr","software-polysun-systemes-energetiques"],"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>Que signifie le message &quot;Besoins en \u00e9nergie non couverts&quot; ? - POLYSUN<\/title>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Que signifie le message &quot;Besoins en \u00e9nergie non couverts&quot; ?\" \/>\n<meta property=\"og:description\" content=\"Il se peut que l&rsquo;\u00e9nergie produite par les panneaux solaires et le chauffage d&rsquo;appoint...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.velasolaris.com\/fr\/faq\/que-signifie-le-message-besoins-en-energie-non-couverts\/\" \/>\n<meta property=\"og:site_name\" content=\"POLYSUN\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/polysun.switzerland\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-07T12:18:31+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.velasolaris.com\\\/fr\\\/faq\\\/que-signifie-le-message-besoins-en-energie-non-couverts\\\/\",\"url\":\"https:\\\/\\\/www.velasolaris.com\\\/fr\\\/faq\\\/que-signifie-le-message-besoins-en-energie-non-couverts\\\/\",\"name\":\"Que signifie le message \\\"Besoins en \u00e9nergie non couverts\\\" ? 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