1. The fan speed control is divided into 9 gears, and the fan speed is adjusted by PWM;
2. When the new fan is turned on, the air valve is opened. After the air valve is activated for 3s, the fan is started. After the fan is started for 30s, the high voltage package starts to supply power;
3. When the new fan is turned off, the fan is turned off, the high pressure package is turned off, and the air valve is closed;
4. Power-down memory, power on again, and run according to the operating status before power-down.
1.控制主板 接收遥控器发送的控制指令，控制风机运转；
2.显示面板 显示 CO2 的浓度、风机档位、开关机状态、及加热状态；
3.遥控器 使用红外遥控器4.CO2 传感器 检测房间内 CO2 的浓度；
5.温度传感器 用于测量新风进口空气的温度，判断是否开启翅片电加热管；
7. 新风风机 采用 DC310 风机，PWM 调速，0~10V 调速电压 ；
8.排风风机 采用 DC310 风机，PWM 调速，0~10V 调速电压 ；
9.风阀（预留） 四线，~220 供电，另两根线短接风阀打开，断开风阀关闭 ；
10.翅片电加热管(预留) 通过判断新风进的温度判断是否启动（电源 AC220V,功率200W，在控制主板上只预留控制端口，为 DC12V 信号)。
1.高压包 12V 供电，供电电源需隔离，额定功率 2W，放电功率 10-15W；
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