XH-W3002 Mini Digital Temperature Controller 110V-220V 1500W Thermostat Regulator Heating Cooling Control Thermoregulator Sensor Description: 100% Brand New and High Quality! Temperature measurement and temperature control are performed simultaneously. The upper and limits of the temperature are set to better control the temperature. Easy to operate and easy to install. temperature electronics. Convenient, safe and reliable, intelligent control. Safe and practical, military quality. Chassis cabinets, industrial equipment, a good helper for scientific planting. P0 set start temperature Press the setting button to enter the internal menu, the default display is PO, press the setting button again, and set the required starting temperature through the up and down buttons. P1 set stop temperature Press the setting button to enter the internal menu, the digital display is PO, switch to P1 by the up and down buttons, press the setting button again, and set the required stop temperature by the up and down buttons. P2 set temperature correction Enter the internal menu in the same way, switch to P2 by pressing the up and down buttons, press the setting button again, and set the required calibration temperature through the up and down buttons. In the setting, if the detected temperature is 0.5°C larger than the actual temperature , the calibration temperature to be set is -0.5°C, if the detected temperature value is 1°C than the actual temperature value, the calibration temperature that needs to be set is 1°C. Temperature soil correction temperature = actual temperature. P3 set delay start Enter the internal menu in the sample mode, switch to P3 through the up and down keys, press the setting key again, and set the required delay time (in minutes) through the up and down keys. Delayed start is generally used for compressor refrigeration. If it is used for refrigerators and freezers, this value needs to be set. According to the compressor back pressure, the general setting value is 3-6 minutes. Time function, skip this item Heating mode setting method Setting essentials: start temperature Setting method: press the setting key to enter the internal menu, set the start temperature by setting the P0 value, and set the stop temperature by setting the P1 value. Use case: control the water heater, heating to 50 to stop, the temperature drops to 40 to start heating again, how to set? Step 1: Make sure the working mode is heating mode, starting temperature Step 2: Press the setting key to enter the internal menu, select P0 and press the setting key to set the value of P0 to 40 Step 3: Press the setting key to enter the internal menu, select P1 and press the setting key, set the value of P1 to 50