Ventilation Control System Switch - Plastic 86x86mm, 220v | Manual Timer Control, Lcd Display, Multi-speed, Energy Saving

Ventilation Control System Switch can control ventilator running by manual control or timing control. Controller output signal can directly control the startup and speed of ventilator. It can be widely used in residential, commercial and industrial applications, and can effectively improve air quality, create a healthy, comfortable, energy-efficient living and working environment.

2. Buttonsa function:
1. button: timing parameter setting
2. button: parameter increase
3. button: parameter reduce
4. button: setting working mode for controller, press this button slightly, the controller will be switched circularly between a MANUAL i TIMER i POWER OFFa .

3. Display explanation:


a a a Time



Indoor temperature

Operating mode
Ventilator status
4. Detailed explanationi
1. MANUAL: set the ventilator as OFF(stop)a LOW(low speed)a MED(middle speed)a HIG((high speed))by buttons and .
2. TIMER (timing mode): run according to set time & speed, can set from Monday to Sunday, 4 periods every day, and 28 periods in total.