{"id":4151,"date":"2026-11-09T08:38:27","date_gmt":"2026-11-09T11:38:27","guid":{"rendered":"https:\/\/comindindustries.com\/producto\/n321s-differential-controller-for-solar-heating-novus\/"},"modified":"2026-11-10T09:08:01","modified_gmt":"2026-11-10T12:08:01","slug":"n321s-differential-controller-for-solar-heating-novus","status":"publish","type":"product","link":"https:\/\/comindindustries.com\/en\/product\/n321s-differential-controller-for-solar-heating-novus\/","title":{"rendered":"N321S Differential Controller for Solar Heating | Novus"},"content":{"rendered":"<p>\u2013 Sensor input<br \/>\n\u2013 NTC thermistor, type 10 k @ 25 \u00b0C; measuring range: -30 to +105 \u00b0C<br \/>\n\u2013 Measurement accuracy: 0.6 \u00b0C<br \/>\n\u2013 Maximum error when swapping original NTC sensors: 0.75 \u00b0C. This error can be eliminated with the controller&#8217;s offset parameter<br \/>\n\u2013 Note: sensors are included with the controller, with 3-meter cables, 2x 0.5 mm\u00b2, which can be extended up to 200 meters<br \/>\n\u2013 Measurement resolution: 0.1\u00b0 in the \u201319.9 to 119.9\u00b0 range, 1\u00b0 in the rest of the range<br \/>\n\u2013 Output (OUTPUT1): SPDT relay; 1 HP 250 Vac \/ 1\/3 HP 125 Vac (16 A res.)<br \/>\n\u2013 Power supply (POWER SUPPLY)<br \/>\n\u2013 Voltage: 100 to 240 Vac\/dc 10%<br \/>\n\u2013 Optional: 12 to 30 Vdc\/ac<br \/>\n\u2013 Frequency: 50~60 Hz<br \/>\n\u2013 Consumption: 5 VA<br \/>\n\u2013 Dimensions: width x height x depth: 75 x 33 x 75 mm<br \/>\n\u2013 Weight: 100 g<br \/>\n\u2013 Panel cutout: 70 x 29 mm<br \/>\n\u2013 Operating conditions:<br \/>\n  Operating temperature: 0 to 40 \u00b0C<br \/>\n  Storage temperature: -20 to 60 \u00b0C<br \/>\n  Relative humidity: 20 to 85 % RH<br \/>\n\u2013 Polycarbonate housing UL94 V-2<br \/>\n\u2013 Protection rating: housing IP42, front IP65<br \/>\n\u2013 Connections for wires up to 4.0 mm\u00b2<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The N321S is a controller for solar heating applications. It drives a water circulation pump based on the temperature differential between the solar collector and the thermal tank (or pools).<br \/>\nThe instrument has two NTC temperature sensor inputs and one control output to drive the water circulation pump. It also has functions that prevent pipe damage in winter and prevent overheating, avoiding pipe damage and thermal discomfort.<\/p>\n","protected":false},"featured_media":4152,"comment_status":"open","ping_status":"closed","template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[751],"product_tag":[],"class_list":["post-4151","product","type-product","status-publish","has-post-thumbnail","product_cat-temperature-controllers","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/comindindustries.com\/en\/wp-json\/wp\/v2\/product\/4151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/comindindustries.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/comindindustries.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/comindindustries.com\/en\/wp-json\/wp\/v2\/comments?post=4151"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/comindindustries.com\/en\/wp-json\/wp\/v2\/media\/4152"}],"wp:attachment":[{"href":"https:\/\/comindindustries.com\/en\/wp-json\/wp\/v2\/media?parent=4151"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/comindindustries.com\/en\/wp-json\/wp\/v2\/product_brand?post=4151"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/comindindustries.com\/en\/wp-json\/wp\/v2\/product_cat?post=4151"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/comindindustries.com\/en\/wp-json\/wp\/v2\/product_tag?post=4151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}