{"id":2348,"date":"2018-12-18T08:28:57","date_gmt":"2018-12-18T08:28:57","guid":{"rendered":"https:\/\/ojelectronics.com\/hvac\/?p=2348"},"modified":"2024-05-01T08:19:18","modified_gmt":"2024-05-01T07:19:18","slug":"oj-greenzone","status":"publish","type":"post","link":"https:\/\/ojelectronics.com\/hvac\/de\/news-post\/oj-greenzone\/","title":{"rendered":"Zone control for VAV systems"},"content":{"rendered":"The OJ GreenZone<sup>\u00ae<\/sup>\u00a0intelligent zone control system has won great acclaim for its distinctive approach to handling the separate demands of up to 125 separate rooms or zones. The solution matches the need in commercial buildings, that generally require a variety of indoor climates.\r\n\r\nWith the OJ GreenZone<sup>\u00ae<\/sup>\u00a0system you can drastically reduce energy use and CO2. The system exemplifies easy installation and operation - notably with its WiFi connectivity\r\n<p class=\"MsoNormal\"><\/p><h2>Putting the finishing touch on the OJ GreenZone<sup>\u00ae<\/sup>\u00a0control system<\/h2>\n<p>The latest addition to the range reflects the philosophy of making installation and operation simpler while ensuring better control than ever: The OJ RPT-20T room panel is an attractive, touchscreen-based graphical user interface that gives users straightforward and intuitive control of ventilation and temperature within parameters set by you. The 2\u201d colour screen uses familiar symbols that are instantly recognised by users, and installation is easily handled via a QuickPlug<sup>\u00ae<\/sup>\u00a0Modbus connection.<\/p>\n    <video-js id=\"videojs6632c8571ac7f\" class=\"vjs-big-play-centered\" controls preload=\"auto\" poster=\"https:\/\/ojelectronics.com\/hvac\/wp-content\/uploads\/sites\/23\/2020\/03\/zone-control-for-vav-systems.jpg\" playsinline data-setup='{\"fluid\": true}'>\r\n        <source src=\"https:\/\/ojelectronics.com\/hvac\/wp-content\/uploads\/sites\/23\/2020\/03\/zone-control-for-vav-systems.mp4\" type=\"video\/mp4\" \/>\r\n    <\/video-js>\r\n           \n<h2>Control in the palm of your hand<\/h2>\n<p>Thanks to WiFi connectivity, all modules can be operated via your smartphone, tablet or laptop\/PC.<\/p>\n<ul>\n<li><strong>Locate zone modules with your smartphone<\/strong><br \/>\nA beeper function makes it easy for service staff to locate zone modules hidden behind ceiling tiles with perfect accuracy \u2013 which greatly reduces the time spent on maintenance.<\/li>\n<li><strong>Pre-installed software \u2013 and easy updating<\/strong><br \/>\nThe software controlling the zone modules is stored in the Master unit. All modules in the network can be easily updated by replacing the SD memory card.<\/li>\n<li><strong>Touch-screen room panels<\/strong><br \/>\nThe full-colour touch-screen room panels let users control the fan speed and temperature in their room, allowing them to their personal comfort within the overall parameters of your OJ GreenZone<sup>\u00ae<\/sup>\u00a0system.<\/li>\n<\/ul>\n<h3>Fast installation saves installation time and costs<\/h3>\n<ul>\n<li><strong>Just plug <span class=\"amp\">&amp;<\/span> play<\/strong><br \/>\nInstallation is a simple matter of plug <span class=\"amp\">&amp;<\/span> play: the combination of Modbus QuickPlug<sup>\u00ae<\/sup> and built-in software ensures that OJ GreenZone<sup>\u00ae<\/sup>\u00a0saves valuable installation time<\/li>\n<li><strong>Simple configuration<\/strong><br \/>\nThe OJ GreenZone<sup>\u00ae<\/sup>\u00a0configures itself automatically: the Master automatically assigns addresses to each zone module. This eliminates the need for complicated DIP switches \u2013 as well as the risk of blocking the network due to random address conflicts.<\/li>\n<li><strong>No programming necessary<\/strong><br \/>\nInstallers simply plug in the components and fine-tune the settings. Each room or zone can be configured to ensure ideal climate and operation \u2013 and a single OJ GreenZone<sup>\u00ae<\/sup>\u00a0solution can handle up to 125 individual zones.<\/li>\n<\/ul>\n<p>Watch this video to see how easy it is to programme a VAV damper, connect a sensor or connect OJ Zone modules in series.<\/p>\n    <video-js id=\"videojs6632c8571accb\" class=\"vjs-big-play-centered\" controls preload=\"auto\" poster=\"https:\/\/ojelectronics.com\/hvac\/wp-content\/uploads\/sites\/23\/2018\/12\/how-to-install-oj-greenzone-zone-controlled-vav-system.jpg\" playsinline data-setup='{\"fluid\": true}'>\r\n        <source src=\"https:\/\/ojelectronics.com\/hvac\/wp-content\/uploads\/sites\/23\/2018\/12\/how-to-install-oj-greenzone-zone-controlled-vav-system.mp4\" type=\"video\/mp4\" \/>\r\n    <\/video-js>\r\n           \n<h2>New touch-screen<br \/>\nroom panel<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-146 alignright\" src=\"https:\/\/ojelectronics.com\/hvac\/wp-content\/uploads\/sites\/23\/2020\/01\/rpt-20_f_768px-300x300.png\" alt=\"\" width=\"300\" height=\"300\" \/>OJ GreenZone<sup>\u00ae<\/sup>\u00a0systems give you complete control of the ventilation in up to 125 rooms or zones. Now, you can share a bit of that control with the people inside the building. The <a href=\"https:\/\/ojelectronics.com\/hvac\/products\/room-panel-touch-2-0\/\">OJ RPT-20T<\/a> \u2013 our new touch-screen room panels for the OJ GreenZone<sup>\u00ae<\/sup>\u00a0control system \u2013 lets users control the ventilation and temperature in their rooms, ensuring optimum comfort while still conserving energy.<\/p>\n<p>The touch-screen room panel is ideal for office settings, schools, shopping malls, airports, hotels, hospitals, etc.Product features<\/p>\n<ul>\n<li>User-friendly, intuitive operation<\/li>\n<li>2\u201d colour touchscreen<\/li>\n<li>Built-in temperature sensor<\/li>\n<li>Programmable daily\/weekly cycles<\/li>\n<\/ul>\n<h2>Up to 65% energy savings<\/h2>\n<h3><strong>Optimised for efficient performance:<\/strong><\/h3>\n<p>Enhanced AHU control and optimised temperature, air and water flow bring energy savings of up to 65%.<\/p>\n<h3>Demand-controlled fan speed:<\/h3>\n<p>In most systems, fans run at full speed or not at all, resulting in a HVAC system that is either under- or over-ventilating. With\u00a0 the OJ GreenZone<sup>\u00ae<\/sup>\u00a0control, the damper-optimized DCV technology ensures the fan operation automatically reflects each room\u2019s changing uses and needs, which greatly reduces energy use and costs.<\/p>\n<h3>Summer \/ winter compensation:<\/h3>\n<p>With summer\/winter compensation, OJ GreenZone<sup>\u00ae<\/sup>\u00a0adjusts temperature setpoints in accordance with the conditions outside. No programming is necessary: simply connect an outdoor temperature sensor to the OJ Zone Master unit.<\/p>\n<p><strong>Independent report confirms OJ GreenZone<\/strong><sup>\u00ae<\/sup><strong>\u00a0savings<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2395 size-full alignright\" src=\"https:\/\/ojelectronics.com\/hvac\/wp-content\/uploads\/sites\/23\/2020\/05\/sintef_graf.png\" alt=\"\" width=\"416\" height=\"525\" srcset=\"https:\/\/ojelectronics.com\/hvac\/wp-content\/uploads\/sites\/23\/2020\/05\/sintef_graf.png 416w, https:\/\/ojelectronics.com\/hvac\/wp-content\/uploads\/sites\/23\/2020\/05\/sintef_graf-238x300.png 238w\" sizes=\"(max-width: 416px) 100vw, 416px\" \/>The efficiency of the OJ GreenZone<sup>\u00ae<\/sup> approach is confirmed by independent research. A recent guidebook from Norwegian research institute Sintef explains the theory \u2013 and the OJ GreenZone<sup>\u00ae<\/sup>\u00a0system belongs firmly in the \u2018Good\u2019 category.<\/p>\n<p><span style=\"text-decoration: underline;\">Use of Specific Fan Power (SFP)<\/span><br \/>\n<em>It is important to clearly specify requirements in terms of SFP in order to get an energy efficient DCV system. DCV systems are not necessarily energy efficient. Figure 2.1 shows the variation of SFP according to the airflow rate for an ideal, good, normal and poor ventilation system, respectively (Schild and Mysen, 2009). The differences lie in the fact that some systems regulate the airflow rate by using unnecessary throttling.*1<\/em><\/p>\n<p>View the full <a href=\"https:\/\/www.sintefbok.no\/book\/index\/1028\/demand-controlled_ventilation_requirements_and_commissioning\">Sintef report<\/a> here.<\/p>\n<p><small>*1 Mads Mysen, Peter Schild, Axel Cabl\u00e9: <em>Demand-controlled ventilation \u2013 requirements and commissioning<\/em>, Sintef, 2014<\/small><\/p>\n<h3>Case Story<\/h3>\n<p>Learn more about how Hotel Bella Italia, a new boutique hotel in S\u00f8nderborg, Denmark, uses an OJ GreenZone<sup>\u00ae<\/sup>\u00a0solution to manage heating and ventilation in the rooms, ensuring that guests get exactly the comfort they need \u2013 and that the hotel itself enjoys greatly reduced energy consumption. Get access to the <a href=\"https:\/\/ojelectronics.com\/hvac\/news\/new-boutique-hotel-saves-energy\/\">Hotel Bella Italia case story<\/a> here.<\/p>\n<p class=\"MsoNormal\">\n","protected":false},"excerpt":{"rendered":"<p>The OJ GreenZone\u00ae\u00a0intelligent zone control system has won great acclaim for its distinctive approach to handling the separate demands of up to 125 separate rooms or zones. The solution matches the need in commercial buildings, that generally require a variety of indoor climates. With the OJ GreenZone\u00ae\u00a0system you can drastically reduce energy use and CO2. &hellip;<\/p>\n","protected":false},"author":1,"featured_media":2168,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_relevanssi_hide_post":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":""},"categories":[252],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.5 (Yoast SEO v22.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Efficient Zone Control for VAV Systems | OJ GreenZone\u00ae<\/title>\n<meta name=\"description\" content=\"Discover the OJ GreenZone\u00ae system, providing up to 65% energy savings and optimal zone control for VAV systems in various commercial buildings. 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