{"id":1498,"date":"2026-07-16T08:16:05","date_gmt":"2026-07-16T08:16:05","guid":{"rendered":"https:\/\/twjsmart.com\/product\/fresh-air-system-controller\/"},"modified":"2026-07-16T08:26:22","modified_gmt":"2026-07-16T08:26:22","slug":"fresh-air-system-controller","status":"publish","type":"product","link":"https:\/\/twjsmart.com\/ar\/product\/fresh-air-system-controller\/","title":{"rendered":"Fresh Air System Controller"},"content":{"rendered":"

Core Functions<\/strong><\/p>\n

Supports RS485 protocol central fresh air units and wall-mounted fresh air units, controlling three-speed fan operation, heat exchange start\/stop, internal\/external circulation switching, and filter replacement reminders.<\/p>\n

Sensor Linkage:<\/strong> Can link with indoor temperature and humidity sensors and CO2 concentration sensors, automatically increasing the fresh air ventilation level when air quality is poor.<\/p>\n

Application Scenarios<\/strong><\/p>\n

High-End Fully Furnished Residential:<\/strong> Integrated intelligent control of whole-house central air conditioning, hydronic floor heating, and central fresh air, with mobile remote pre-start for heating or air conditioning.<\/p>\n

Hotels, Apartments, and Homestays:<\/strong> Centralized guest-room temperature control, automatic power-off when guests leave, and household energy metering to reduce operating electricity costs.<\/p>\n

Office Buildings, Shopping Malls, and Industrial Parks:<\/strong> Central air-conditioning household metering, scheduled zone start\/stop, and BMS building system integration for energy-saving operation and maintenance.<\/p>\n

Existing Home HVAC Intelligent Retrofit:<\/strong> Direct replacement of old wired controllers without changing existing pipelines, enabling rapid access to a whole-house intelligent system.<\/p>\n

General Parameters<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nValue<\/th>\n<\/tr>\n
Power Supply Method<\/td>\nAC220V \/ DC12V, low-voltage power supply from the air-conditioning indoor unit<\/td>\n<\/tr>\n
Standby Power Consumption<\/td>\n≤2W; full-load power consumption ≤5W<\/td>\n<\/tr>\n
Operating Environment<\/td>\n-20°C ~ +60°C, humidity 5%~90% RH, non-condensing<\/td>\n<\/tr>\n
Wired Communication<\/td>\nRS485 standard Modbus protocol, supporting KNX building bus<\/td>\n<\/tr>\n
Wireless Communication<\/td>\nWiFi 2.4G, BLE Bluetooth, BLE Mesh, and ZigBee versions available<\/td>\n<\/tr>\n
Maximum Communication Distance<\/td>\nBus 1000m; open-area wireless 80m<\/td>\n<\/tr>\n
Floor Heating Relay<\/td>\nAC250V\/5A, can drive solenoid valves and electric heating modules<\/td>\n<\/tr>\n
Fresh Air Load<\/td>\nMaximum 200W AC equipment<\/td>\n<\/tr>\n
Temperature Sampling<\/td>\nBuilt-in NTC high-precision temperature and humidity sensor, supporting external sensor<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"

Supports RS485 protocol central fresh air units and wall-mounted fresh air units, controlling three-speed fan operation, heat exchange start\/stop, internal\/external circulation switching, and filter replacement reminders.<\/p>","protected":false},"featured_media":1495,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[37],"product_tag":[],"class_list":["post-1498","product","type-product","status-publish","has-post-thumbnail","product_cat-temperature-controller-board","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/product\/1498","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/comments?post=1498"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/media\/1495"}],"wp:attachment":[{"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/media?parent=1498"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/product_brand?post=1498"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/product_cat?post=1498"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/product_tag?post=1498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}