{"id":42161,"date":"2025-11-25T11:08:49","date_gmt":"2025-11-25T10:08:49","guid":{"rendered":"https:\/\/beteccontrols.nl\/producten\/ug8-zd-230-dibt-approved-duct-smoke-detector-with-display-modbus\/"},"modified":"2026-05-22T16:17:52","modified_gmt":"2026-05-22T14:17:52","slug":"ug8-zd-230-dibt-approved-duct-smoke-detector-with-display-modbus","status":"publish","type":"product","link":"https:\/\/beteccontrols.nl\/en\/products\/ug8-zd-230-dibt-approved-duct-smoke-detector-with-display-modbus\/","title":{"rendered":"UG8-ZD-230 | DIBt-approved duct smoke detector with display &#038; Modbus"},"content":{"rendered":"<p class=\"p1\">The <span class=\"s1\"><b>Calectro UG8-ZD-230<\/b><\/span> is a powerful and advanced <span class=\"s1\"><b>duct smoke detector with display<\/b><\/span>, specially developed for safe and reliable smoke detection in air ducts. Thanks to <span class=\"s1\">DIBt approval (Z-78.6-253)<\/span>, the integrated <span class=\"s1\">alarm memory system<\/span>, <span class=\"s1\">Modbus communication<\/span>, automatic sensitivity adjustment, and an <span class=\"s1\">IP65 housing<\/span>, this model meets the highest fire protection requirements for HVAC installations.<\/p>\n<p class=\"p1\">The included <span class=\"s1\">Power Sampling Tube (PST195)<\/span> ensures optimal smoke detection without requiring the full duct to be traversed. In addition, the UG8-ZD-230 uses a clear display showing the <span class=\"s1\">degree of contamination in percent<\/span>\u2014a unique advantage for service and inspection.<\/p>\n<h2><b>Features<\/b><\/h2>\n<ul>\n<li class=\"p1\">DIBt-approved<span class=\"s1\">, number <\/span>Z-78.6-253<span class=\"s1\"><span class=\"Apple-converted-space\">\u00a0 <\/span><\/span><\/li>\n<li class=\"p1\"><span class=\"s1\">Display<\/span> showing contamination percentage, alarm memory and fault codes<\/li>\n<li class=\"p1\">IP65 dust- and water-tight<\/li>\n<li class=\"p1\"><span class=\"s1\">4 potential-free relays<\/span>: smoke alarm, service\/low-flow, system fault<\/li>\n<li class=\"p1\">Automatic sensitivity adjustment<span class=\"s1\"> (compensation for contamination)<\/span><\/li>\n<li class=\"p1\">Electronic airflow detection<span class=\"s1\"> (low-flow alarm)<\/span><\/li>\n<li class=\"p1\"><span class=\"s1\">Alarm memory \/ alarm memory<\/span> (remains active during power failure)<\/li>\n<li class=\"p1\"><span class=\"s1\">Modbus RTU (RS485)<\/span> for readout and integration into BMS<\/li>\n<li class=\"p1\">Includes PST195 sampling tube (195 mm)<\/li>\n<li class=\"p1\"><span class=\"s1\">360\u00b0 mountable<\/span>, with patented rotatable mounting base<\/li>\n<li class=\"p1\">Test opening for SOLO A5 or other test gas<\/li>\n<li class=\"p1\"><span class=\"s1\">Bayonet fitting<\/span> for quick detector replacement<\/li>\n<\/ul>\n<h2>Technical data<\/h2>\n<table style=\"width: 100%; border-collapse: collapse;\">\n<tbody>\n<tr>\n<td><b>Supply voltage<\/b><\/td>\n<td>230V AC \u00b110%<\/td>\n<\/tr>\n<tr>\n<td><b>Detector<\/b><\/td>\n<td>Optical EVC-PR-DA<\/td>\n<\/tr>\n<tr>\n<td><b>Max. power consumption<\/b><\/td>\n<td>85 mA (DC), 235 mA (AC)<\/td>\n<\/tr>\n<tr>\n<td><b>Modbus communication<\/b><\/td>\n<td>RS485 (read-only)<\/td>\n<\/tr>\n<tr>\n<td><b>Operating temperature<\/b><\/td>\n<td>-20\u00b0C \u2026 +55\u00b0C<\/td>\n<\/tr>\n<tr>\n<td><b>Relative humidity<\/b><\/td>\n<td>Max. 95% RH<\/td>\n<\/tr>\n<tr>\n<td><b>Duct air velocity<\/b><\/td>\n<td>1\u201320 m\/s<\/td>\n<\/tr>\n<tr>\n<td><b>Protection class<\/b><\/td>\n<td>IP65<\/td>\n<\/tr>\n<tr>\n<td><b>Smoke alarm relay<\/b><\/td>\n<td>1 changeover 250V\/8A + 1 break 250V\/8A<\/td>\n<\/tr>\n<tr>\n<td><b>Service\/Low-Flow relay<\/b><\/td>\n<td>1 break 250V\/1A<\/td>\n<\/tr>\n<tr>\n<td><b>Indications<\/b><\/td>\n<td>Display, LEDs: red (alarm), yellow (service), yellow flashing (fault)<\/td>\n<\/tr>\n<tr>\n<td><b>Venturi tube<\/b><\/td>\n<td>PST195 (195 mm), PC\/ABS or aluminium (ST-series)<\/td>\n<\/tr>\n<tr>\n<td><b>Origin<\/b><\/td>\n<td>Made in Sweden<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b>Display indications<\/b><\/h2>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>00\u201399%<\/b><\/span> \u2192 contamination level<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>SA<\/b><\/span> \u2192 service alarm \/ contamination<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>AL<\/b><\/span> \u2192 smoke alarm<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>AL (flashing)<\/b><\/span> \u2192 alarm memory active<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>CL<\/b><\/span> \u2192 alarm memory cleared<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>LF<\/b><\/span> \u2192 airflow too low<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>\u2013<\/b><\/span> \u2192 system fault or detector removed<\/li>\n<\/ul>\n<h2><b>Applications<\/b><\/h2>\n<p class=\"p3\">Suitable for HVAC installations such as: <span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';\">Air handling units, <\/span><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';\">Air ducts in commercial and industrial buildings, <\/span><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';\">Fire compartmentation via damper control, <\/span><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';\">Installations requiring mandatory DIBt-approved detection<\/span><\/p>\n<h2><b>Frequently asked questions (FAQ)<\/b><\/h2>\n<p class=\"p1\"><b>What is the UG8-ZD-230?<\/b><b><\/b><\/p>\n<p class=\"p2\">The UG8-ZD-230 is a 230V duct smoke detector with display, DIBt approval and Modbus communication. It detects smoke in ventilation ducts and controls, among other things, fire dampers or fans.<\/p>\n<p class=\"p1\"><b>What supply voltage does the UG8-ZD-230 use?<\/b><b><\/b><\/p>\n<p class=\"p2\">The UG8-ZD-230 operates on <span class=\"s2\"><b>230V AC \u00b110%<\/b><\/span>.<\/p>\n<p class=\"p1\"><b>What does the alarm memory (alarm memory) do?<\/b><b><\/b><\/p>\n<p class=\"p2\">In the event of a smoke alarm, the alarm relays remain active even if the smoke has cleared and the power supply has failed and returned. The memory remains active until you consciously reset it using the reset button (approx. 3 seconds).<\/p>\n<p class=\"p1\"><b>How do I reset the alarm or memory?<\/b><b><\/b><\/p>\n<p class=\"p2\">Press and hold the reset button for 3 seconds, or create a short circuit between terminals 9 and 10.<\/p>\n<p class=\"p1\"><b>What is the function of the electronic airflow detection?<\/b><b><\/b><\/p>\n<p class=\"p2\">The UG8-ZD-230 monitors the airflow in the duct. If the airflow is too low, an \u201cLF\u201d message appears and the low-flow relay switches.<\/p>\n<p class=\"p1\"><b>Which ventilation speeds are permitted?<\/b><b><\/b><\/p>\n<p class=\"p2\">The device operates correctly at air velocities between <span class=\"s2\"><b>1 and 20 m\/s<\/b><\/span>.<\/p>\n<p class=\"p1\"><b>Can I use the UG8-ZD-230 with Modbus?<\/b><b><\/b><\/p>\n<p class=\"p2\">Yes, the detector has an RS485 Modbus interface (read-only).<\/p>\n<p class=\"p1\"><b>Which sampling tubes can I use?<\/b><b><\/b><\/p>\n<p class=\"p2\">Standard PST195 (included). Optional ST280, ST580 or ST-EXTEND.<\/p>\n<p class=\"p1\"><b>Is the device suitable for insulated or small ducts?<\/b><b><\/b><\/p>\n<p class=\"p2\">Yes, but the mounting bracket <span class=\"s2\"><b>UG-MB-8<\/b><\/span> must then be used (hole size \u00d8 51 mm).<\/p>\n<p class=\"p1\"><b>Does the device need to be insulated in cold environments?<\/b><b><\/b><\/p>\n<p class=\"p2\">Yes, in cold attics or for outdoor installation the device must be insulated with UG-COVER-75 to prevent condensation.<\/p>\n<p class=\"p1\"><b>When do I get a service\/contamination alarm?<\/b><b><\/b><\/p>\n<p class=\"p2\">In the event of heavy contamination, the LED lights up yellow and the display shows \u201cSA\u201d. The detector must then be cleaned or replaced.<\/p>\n<p class=\"p1\"><b>How do I test the UG8-ZD-230?<\/b><b><\/b><\/p>\n<p class=\"p2\">Via the test opening in the cover with SOLO A5 test spray. Don\u2019t forget to replace the plastic plug afterwards.<\/p>\n<h2><b>Contact<\/b><\/h2>\n<p class=\"p3\">Do you have any questions or would you like more information? Please <a href=\"https:\/\/beteccontrols.nl\/contact\/\" target=\"_blank\" rel=\"noopener\">contact<\/a> us! You can reach us by phone, email, or chat.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The <span class=\"s1\">Calectro UG8-ZD-230<\/span> is a powerful and advanced <span class=\"s1\">duct smoke detector with display<\/span>, specially developed for safe and reliable smoke detection in air ducts. Thanks to <span class=\"s1\">DIBt approval (Z-78.6-253)<\/span>, the integrated <span class=\"s1\">alarm<\/span><span class=\"s1\"> memory system<\/span>, <span class=\"s1\">Modbus communication<\/span>, automatic sensitivity adjustment.<\/p>\n","protected":false},"featured_media":42156,"template":"","meta":[],"pwb-brand":[7208],"product_brand":[],"product_cat":[5488,5487],"product_tag":[6013,5491,7269,7276,5490,7274,7268,6014,7291],"class_list":["post-42161","product","type-product","status-publish","has-post-thumbnail","pwb-brand-calectro","product_cat-duct-smoke-sensors","product_cat-smoke-detection","product_tag-air-duct","product_tag-calectro","product_tag-dibt","product_tag-display","product_tag-duct-smoke-detector","product_tag-modbus","product_tag-pst195","product_tag-smoke-detection","product_tag-ug8-zd-230","first","instock","featured","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Calectro UG8-ZD-230: Advanced Smoke Detector for HVAC - Betec Controls<\/title>\n<meta name=\"description\" content=\"Discover the powerful Calectro UG8-ZD-230 duct smoke detector, ideal for reliable smoke detection in air ducts. 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