W3231 AC 220V Dual Display Digital LCD Thermostat Temperature Controller

Operation guide
1. Short press “SET” small digital tube to flash, press “up” or “down” to set the target temperature, press “Standby” button or no operation to save the setting within 3 seconds.
2. Press and hold “SET” to enter the code setting mode, press “up” or “Down” to switch the code. After selecting, press “SET” to enter the code setting. After setting, press “Standby” button or no operation to save the setting within 3 seconds. .
3. The last parameter setting is saved by default after shutdown.
4, restore the factory settings: press and hold “SET” to power on.
5. When the module is powered on, it will start directly. After power-on, press and hold the “standby” button, the module will enter “sleep” or “wake up”; in case of power failure, the module will run automatically after power recovery, no need to start manually.

**The working power supply voltage must be connected according to the standard voltage of the label, otherwise the module will be damaged easily.