Wall Mounted Fresh Air System Controller Indoor Programmable Timing Smart Vent Controller
KF-900M LCD intelligent fresh air controller with manual/timer control modes, direct fan speed regulation for AC/DC/EC motors, and real-time display of VOC, PM2.5, CO2, temperature, and humidity. Suitable for residential, commercial, and industrial applications.
KF-900M LCD digital display intelligent fresh air controller can choose manual control or timing control of the operation of the fresh air fan.
This controller directly outputs control signals to manage the startup and three fan speeds (low/medium/high) of the fresh air unit. Equipped with a high-definition LCD display, it realizes real-time monitoring of indoor temperature, humidity, and optional air quality indicators including PM2.5, CO₂ and VOC. It also integrates practical functions such as automatic mode, sleep mode, filter replacement reminder, child lock, bypass valve control, WiFi remote control and weekly programmable timer.
Suitable for residential, commercial and industrial scenarios, this smart fresh air controller optimizes indoor ventilation efficiency, effectively improves ambient air quality, and helps build a healthy, comfortable, energy-saving and eco-friendly living and working environment.
- LCD segment code display
- Real-time CO₂, PM2.5, and VOC monitoring
- Automatic fan speed control based on air quality
- Wi-Fi remote control via Smart Life App and Tuya App
- RS485 communication for system integration
| * 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 |
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