Key Description: The SET button is also the setting button; the C/F button is the Fahrenheit and Celsius conversion buttons.
Press the SET button while the actual temperature is displayed, the lower setting number flashes (the lower setting temperature flashes), then SET(+) C/F(-) to set the desired setting temperature. 3 seconds automatically confirms the return. At this time, the controller automatically performs relay on/off according to the set temperature. The rated output of the thermostat is 12V20A relay, which satisfies all kinds of high power. Please make sure the line is correct.
Under normal working conditions, short press the C/F (-) button to switch between Fahrenheit and Celsius.
In normal working environment, press and hold the SET button 5S to enter the main menu settings, press SET (+), C / F (-), to select P1-P8 mode, after confirming the mode, press and hold SET (+) , C / F (-) enter the mode setting parameters. At this time, the number below is flashing, and then the SET (+), C / F (-) button to adjust the size of the parameter, automatically save and exit after 3S. The setup is complete.