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{"title":"Smart Fresh Air LCD Digital Ventilation Controller With Timer Manual Mode For","imgUrl":"https:\/\/img.chinax.com\/nimg\/23\/4f\/f3a4bb4db8125d7f23f269cf08c1-200x200-1\/smart_fresh_air_lcd_digital_ventilation_controller_with_timer_manual_mode_for.jpg","attrs":{"Model Number":"KF-900M","Control power":"\u2264 200W","Payment Terms":"T\/T","Application":"Residential \/ Commercial"}}
{"title":"Smart Home Compatible Fresh Air Controller with Built-in CO2 PM2.5 Sensors and","imgUrl":"https:\/\/img.chinax.com\/nimg\/68\/2b\/cb52ce587dc53f1c1457e5735153-200x200-1\/smart_home_compatible_fresh_air_controller_with_built_in_co2_pm2_5_sensors_and_wall_mounted_installation.jpg","attrs":{"Rated voltage":"AC110-240V, 50\/60Hz","Payment Terms":"T\/T","Place of Origin":"China","Operating humidity":"5\uff05RH----90\uff05RH"}}
{"title":"Smart Fresh Air Ventilation Controller with CO2 PM2.5 Monitoring and TUYA APP","imgUrl":"https:\/\/img.chinax.com\/nimg\/f4\/a8\/5baed200d7e300ee38187d15abf6-200x200-1\/smart_fresh_air_ventilation_controller_with_co2_pm2_5_monitoring_and_tuya_app_remote_control_featuring_4_inch_lcd_display.jpg","attrs":{"Price":"US$72\/pcs","Payment Terms":"T\/T","Material":"PC and ABS","Display":"4-inch segment LCD"}}
{"title":"2026 Newest Heat Energy Recovery Ventilation Residential HVAC System WIFI Modbus","imgUrl":"https:\/\/img.chinax.com\/nimg\/d9\/5a\/99ddc0d8782131f10c85e9e908f2-200x200-1\/2026_newest_heat_energy_recovery_ventilation_residential_hvac_system_wifi_modbus_smart_controller.jpg","attrs":{"Control Method":"Touch Button Control","Supply Ability":"1000000pcs","Warranty":"1 Year","Delivery Time":"2-3 weeks"}}
{"title":"HVAC Smart Controller with Real-time Air Quality Display and Multi-Level Fan","imgUrl":"https:\/\/img.chinax.com\/nimg\/43\/89\/564542e77b974567e34e290a4e5c-200x200-1\/hvac_smart_controller_with_real_time_air_quality_display_and_multi_level_fan_speed_adjustment_for_intelligent_ventilation.jpg","attrs":{"Supply Ability":"1000000pcs","Installation Type":"Wall-mounted","Minimum Order Quantity":"1pcs","Delivery Time":"2-3 weeks"}}
{"title":"LCD Display Digital Ventilation Controller Fresh Air Ventilation System","imgUrl":"https:\/\/img.chinax.com\/nimg\/1d\/63\/9fef275ef59efe73595c0362f4cf-200x200-1\/lcd_display_digital_ventilation_controller_fresh_air_ventilation_system_controller.jpg","attrs":{"Brand Name":"OEM or neutral (no brand)","Supply Ability":"100000pcs","Temperature display range":"0\u2103 ---- 50\u2103","Price":"US$73"}}
{"title":"Wall Mounted Fresh Air System Controller Indoor Programmable Timing Smart Vent","imgUrl":"https:\/\/img.chinax.com\/nimg\/23\/4f\/f3a4bb4db8125d7f23f269cf08c1-200x200-1\/wall_mounted_fresh_air_system_controller_indoor_programmable_timing_smart_vent_controller.jpg","attrs":{"Model Number":"KF-900M","Fan Speed":"Low\/ Medium\/ High","Payment Terms":"T\/T","Price":"US$73"}}
KF-900M LCD digital display intelligent fresh air controller can choose manual control or timing control of the operation of the fresh air fan. The controller output signal directly controls the start and speed of the fresh air fan; Widely used in residential, commercial applications, this intelligent controller helps optimize indoor air quality, creating a healthier, more comfortable, energy-efficient, and environmentally friendly environment.
Key Features:
LCD Digital Display Interface
Clear and intuitive screen showing real-time system status, fan speed, mode, and timer settings.
Direct Fan Speed Control
Output signal directly controls the start/stop and speed adjustment of fresh air fan, ensuring precise airflow regulation.
Smart Ventilation Features
Includes circulation mode and bypass function, improving air exchange efficiency.
Child Lock Function
Prevents accidental operation, ensuring safety in residential environments.
Temperature & Humidity Display
Real-time alternating display of indoor temperature and humidity.
Energy-Efficient Fresh Air Control
Optimizes fan operation to reduce energy consumption while maintaining healthy indoor air.
Product Specifications:
* Dimension:
86 * 86 * 53 mm
* Temperature display range:
0℃ —— 50℃
* Fixing hole distance:
60mm (standard)
* Operating temperature:
-10℃--- +50℃
* Wiring terminal:
Max 2.5 mm2 wire
* Operating humidity:
5%RH——90%RH
* Rated voltage:
AC110-240V, 50/60Hz
* Storage temperature:
-10℃--- +60℃
* Standby Power:
≤ 2.0W
* Storage humidity:
≤ 60%RH
* Control power:
≤ 200W
* Life:
≥ 5 years
* Suitable for fans:
AC/EC/DC
Product Images:
Wiring Diagram:
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2010
Total Annual:
$9000000-US$10000000
Employee Number:
50~100
Ecer Certification:
Verified Supplier
Shenzhen Xiangfan Electronics Technology Co., LTD was established in March 2010 and is located in the Nanshan High-tech Industrial Belt of Shenzhen, Guangdong, China. It obtained the title of national high-tech enterprise in the year of 2024. It is a one-stop solution provider special... Shenzhen Xiangfan Electronics Technology Co., LTD was established in March 2010 and is located in the Nanshan High-tech Industrial Belt of Shenzhen, Guangdong, China. It obtained the title of national high-tech enterprise in the year of 2024. It is a one-stop solution provider special...