Timing on / off setting: in the startup state, press the timing key to enter the timing on / off setting, and - -:-- is the timing off.Setting of preset temperature: press the mode key to select the required mode, and press + or - to adjust the preset temperature. Under the room temperature mode, the original factory sets the upper limit of 18 ℃ and the lower limit of 17 ℃ with the adjustment range of 10-35 ℃. Under the water temperature mode, the original factory sets the upper limit of 70 ℃ and the lower limit of 50 ℃ with the adjustment range of 30-80 ℃. The intelligent mode is intelligent room temperature, which is divided into six periods, period 1: 05:30, temperature 20 ℃,period 2: 08:00, temperature 15 ℃, period 3: 11:00, temperature 18 ℃, period 4: 12:30, temperature 15 ℃, period 4: 12:30, temperature 15 ℃, period 5: 16:30, temperature 20 ℃, period 6: 22:30, temperature 15 ℃, The temperature of each period can be adjusted by mobile phone app, with the adjustment range of 10-35 ℃.Room temperature correction: in the shutdown state, press the mode key to enter the room temperature correction, press the + or - key to adjust the return difference temperature, and the setting range is 9-19 ℃. When there is an error between the temperature controller display temperature and the actual room temperature, it is necessary to correct according to the actual temperature.Restore the factory settings. In the power on state, press and hold the mode key for 3 seconds to restore the factory settings.