8802XF Fresh Air Controller
Key Specifications
· Fresh air system controller (ventilation)
· High/Medium/Low fan speed · Bypass valve switch
· Filter replacement reminder · Timing switch (on/off)
· IR remote control (optional)
· 86×86×38mm · 123g
Why Choose 8802XF
· Three Fan Speeds – High/Medium/Low speed control for flexible ventilation demand
· Bypass Valve Control – Built-in bypass valve switch for energy recovery or pressure relief
· Filter Reminder – Timely alert when filter needs replacement, ensuring air quality
· Timer Scheduling – Programmable on/off timing for automatic operation
· IR Remote (Optional) – Convenient wireless control from anywhere in the room
· Compact Size – 86×86×38mm fits standard wall boxes
· Lightweight – Only 123g for easy installation
Operation Functions
1. Multi-speed Manual Operation Mode
– Stop speed, Low speed, Medium speed, High speed adjustable under manual mode.
– Manual mode runs at fixed fan speed set by user.
2.Timing Operation Mode
– Automatically run according to pre-set start/stop time and designated fan speed.
– Fan speed cannot be modified when timing function is activated.
3. Bypass Damper Control Function
– Short press fan speed key to open or close bypass air valve under power-on state.
4. Filter Runtime Reminder & Reset Function
– Short press fan key for 3s: view cumulative filter working hours.
– Long press fan key for 8s: clear recorded filter runtime data.
– Filter alarm reminder: blink icon at 1000H, steady-on icon at 3000H service alert.
5. Clock & Weekly Timer Setting
– Long press clock button to enter time setup.
– Adjustable options: Week, Hour, Minute, Timed ON/OFF time & corresponding running fan speed.
6. Button Lock & Parameter Functions
– 485 Communication Address Setup: Long press Mode+Speed key 5s to set Modbus address (for RS485 model only).
– Factory Reset: Long press Power+Up key 5s to restore factory default parameters.
7. Fault Alert & Advanced Custom Parameters
– Sensor Failure Alarm: Display error E1 when temperature sensor malfunctions.
– Advanced configurable items: Temperature calibration, fan speed definition, backlight setting, power-off memory options etc.