• Set the temperature—-SetT;
• Back temperature—–back;
• Heating mode ‘ H ‘ :

When temperature ≤ sett-backt; Relay driving, the heating equipment starts to work;

When the temperature ≥ SetT, relay disconnection, the heating equipment stops working;

• Cooling mode ‘ C ‘ :

When temperature ≥ SetT BackT; Relay driving, the refrigeration equipment starts to work;

When temperature ≤ SetT; Relay driving, the refrigeration equipment stops working;.

• High Temperature Alarm ‘ ALA ‘ :

When the temperature ≥ the alarm temperature, the system opens the sound and light alarm, and disconnects the relay, any key stops the sound light;

• OPH start delay ‘ :

When normal heating or cooling work is done, the system starts at time T, and only after t≥ Oph, the system can do the next round of heating or cooling work;

• Temperature correction functionOFE (-10.0~10.0°):

The system will work for a long time and may have deviations that can be corrected by this function, temperature = measurement calibration;

• Remote parameter reading/setting:

Parameters such as temperature setting, back tab temperature and temperature correction can be set via UART.

• Real time temperature report:

If the temperature report function is turned on, the product is sent to the terminal by the UART at intervals of 1s, which facilitates data collection;

• Relay activation (default activation):

If the relay is off, the relay remains off;

• Factory reset:

At the same time press STOP, set the key more than 3S, restore factory settings;