{"id":45432,"date":"2026-06-17T09:52:50","date_gmt":"2026-06-17T09:52:50","guid":{"rendered":"https:\/\/proair.ee\/toode\/ctrl-si-plug-in-controller-for-the-quantum-energy-recovery-unit\/"},"modified":"2026-06-17T09:52:50","modified_gmt":"2026-06-17T09:52:50","slug":"ctrl-si-plug-in-controller-for-the-quantum-energy-recovery-unit","status":"publish","type":"product","link":"https:\/\/proair.ee\/en\/toode\/ctrl-si-plug-in-controller-for-the-quantum-energy-recovery-unit\/","title":{"rendered":"CTRL-SI Plug-in Controller for the Quantum Energy Recovery Unit"},"content":{"rendered":"<h2 class=\"product__title\">CTRL-SI Plug-in Controller for the Quantum Energy Recovery Unit<\/h2>\n<h2>(controls up to 10 devices)<\/h2>\n<ul>\n<li><span id=\"result_box\"><strong>The unit extracts exhaust air from the room over a period of 70 seconds; then, 70 seconds later, it draws fresh air into the room.<\/strong><br \/>\n<\/span><\/li>\n<li><span id=\"result_box\">As warm air is extracted from the room, the ceramic heat exchanger heats up, accumulating heat from the exhaust air. After the unit\u2019s operation <\/span><span id=\"result_box\">, the heat accumulated in the heat exchanger is transferred to the fresh supply air as cold outdoor air is drawn in.<br \/>\n<\/span><\/li>\n<li><span id=\"result_box\">Thus, thermal energy that would otherwise be lost is put to use.<\/span><\/li>\n<\/ul>\n<h3><span id=\"result_box\">Every 70 seconds, the direction of the device&#8217;s airflow changes  <\/span><img loading=\"lazy\" decoding=\"async\" class=\"floatRight\" src=\"http:\/\/www.e-vetrani.cz\/editor\/filestore\/Image\/new\/crtl_s.JPG\" alt=\"\" width=\"150\" height=\"137\"><\/h3>\n<ul>\n<li><span id=\"result_box\">The device operates at the selected speed when the two-position switch is set to Ctrl &#8211; S.<br \/>\n<\/span><\/li>\n<li><strong><span id=\"result_box\">Speed 1 &#8211; &#8220;S1&#8221;<br \/>\n<\/span><\/strong><\/li>\n<li><strong><span id=\"result_box\">Speed 2 &#8211; &#8220;S2&#8221;<br \/>\n<\/span><\/strong><\/li>\n<li><strong><span id=\"result_box\">Speed 3 &#8211; &#8220;S1 + S2&#8221;<\/span><\/strong><span id=\"result_box\"><br \/>\n<\/span><\/li>\n<li><span id=\"result_box\">The same functionality can be achieved using Ctrl-S or two 3-position switches. _<\/span><\/li>\n<\/ul>\n<p><a class=\"thickbox\" href=\"https:\/\/www.e-vetranie.sk\/editor\/filestore\/Image\/new\/ctrl_s_1.JPG\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.e-vetrani.cz\/editor\/filestore\/Image\/new\/ctrl_s_1_115_x_550.JPG\" alt=\"\" width=\"550\" height=\"115\"><\/a><\/p>\n<ul>\n<li>\n<h3><strong><span id=\"result_box\">Switch S3 activates &#8220;free cooling&#8221; (bypass) mode, which stops the alternating airflow<\/span><\/strong><\/h3>\n<\/li>\n<li><span id=\"result_box\">This keeps the unit in either exhaust mode or supply mode only; it does not reset. Configuration using the JUMPER switch <\/span><\/li>\n<\/ul>\n<table class=\"standard\">\n<tbody>\n<tr>\n<td><strong>Air Exhaust Mode<\/strong><\/td>\n<td><strong>Air supply mode<\/strong><\/td>\n<\/tr>\n<tr>\n<td><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.e-vetrani.cz\/editor\/filestore\/Image\/new\/jumper_privod_157_x_200.JPG\" alt=\"\" width=\"200\" height=\"157\"><\/td>\n<td><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.e-vetrani.cz\/editor\/filestore\/Image\/new\/jumper_odvod_158_x_200.JPG\" alt=\"\" width=\"200\" height=\"158\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li><strong><span id=\"result_box\">Automatic &#8220;Boost&#8221; <\/span><\/strong><strong><span id=\"result_box\">mode<\/span><\/strong><span id=\"result_box\"> is activated by the sensor <\/span><span id=\"result_box\">SEN <\/span><span id=\"result_box\">&#8211; <\/span><span id=\"result_box\">HY <\/span><span id=\"result_box\">sensor<\/span><span id=\"result_box\"><\/span><\/li>\n<\/ul>\n<h4><span id=\"result_box\">Synchronization<\/span><\/h4>\n<ul>\n<li><span id=\"result_box\">When the units are installed in pairs, one unit extracts air from the room while the other supplies air from outside, and vice versa.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<h3 class=\"product__title\">CTRL-SI Plug-in Controller for the Quantum Energy Recovery Unit<\/h3>\n<h2>(controls up to 10 devices)<\/h2>\n","protected":false},"featured_media":45433,"template":"","meta":{"_acf_changed":false,"_seopress_titles_title":"CTRL-SP surface-mounted control unit (controls up to 10 devices)","_seopress_titles_desc":"CTRL-SP surface-mounted control unit (controls up to 10 devices)","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":""},"product_brand":[],"product_cat":[920,1048],"product_tag":[1201],"class_list":["post-45432","product","type-product","status-publish","has-post-thumbnail","product_cat-ventilation","product_cat-ventilation-control-devices-and-sensors","product_tag-control-unit","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/proair.ee\/en\/wp-json\/wp\/v2\/product\/45432","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proair.ee\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/proair.ee\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proair.ee\/en\/wp-json\/wp\/v2\/media\/45433"}],"wp:attachment":[{"href":"https:\/\/proair.ee\/en\/wp-json\/wp\/v2\/media?parent=45432"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/proair.ee\/en\/wp-json\/wp\/v2\/product_brand?post=45432"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/proair.ee\/en\/wp-json\/wp\/v2\/product_cat?post=45432"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/proair.ee\/en\/wp-json\/wp\/v2\/product_tag?post=45432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}