| Code |
Description |
Setting range (method) |
Factory settings |
| P0 |
Operating mode |
H/C |
C |
| P1 |
Backlash setting |
0.1-50 |
2 |
| P2 |
Temperature correction |
-9.9~+9.9°C |
0 |
| P3 |
Delayed start |
0-9 |
0 |
Detailed Code Descriptions:
P0: Working mode: This value must be set when the thermostat is used for the first time. If it is used for heating heating, set to H, if it is used for cooling cooling, set to C.
P1: Hypothesis setting: Press and hold the setting button for 3 seconds to enter the internal menu, select P1, and press the setting button again to enter the hysteresis value setting state. The hysteresis is the difference required when the thermostat reaches the set temperature and stops working again. For example, it is set to the heating mode. When it is heated to 40 degrees, it stops at 35 degrees and starts to return. The difference is 5
P2: Temperature correction: Press and hold the setting button for 3 seconds to enter the internal menu. Press the up and down keys to select P2, press the setting button again, and set the required calibration temperature by the up and down keys. In the setting, if the detected temperature value is 0.5 °C larger than the actual temperature value, the calibration temperature to be set is -0.5 °C. If the detected temperature value is 1 °C smaller than the actual temperature value, the calibration temperature to be set is 1 °C, and the detection temperature +-calibration temperature = actual temperature.
P3: Delay start: Press and hold the setting button for 3 seconds to enter the internal menu, select P3 by the up and down keys, press the setting button again, and set the required delay time (minutes) by the up and down keys. The delay start is generally used for compressor refrigeration. If it is used in the refrigerator freezer, this value needs to be set. According to the compressor back pressure, the set value is usually 3-6 minutes, if it is not used to control the compressor or no delay. Function, skip this item directly.
Instructions:
Set the difference back: Why set the backlash setting? When you control the device, the temperature will rise or fall back. How many degrees does the temperature change? If you want the temperature to change by 10°, the device needs to set the difference back to 10. By setting the difference back, the device can cycle through the temperature range.
Set the stop temperature: press the set button once in the normal display state to stop the temperature value flashing. You can set the desired stop temperature value by using the up and down keys.
How to set factory settings are restored: Press and hold the up and down keys while the power is on, the digital tube display 888 will then automatically jump to the detection temperature.
Heating mode setting method:
Setup steps:
The first step is to set P0=H
The second step sets the stop temperature
The third step sets the hysteresis value
Setting method:
1. Press and hold the setting button to enter the internal menu and set P0 to H.
2. Press the setting button to stop the temperature flashing, and the up and down keys to set the temperature.
3. Press and hold the setting button to enter the internal menu and set the P1 hysteresis setting.
Use Cases:
Control the water heater, heat it to 65 ° C to stop, the temperature drops back to 50 ° C and start heating again, how to set?
Step 1: Determine the working mode as heating mode and set P0 to H
Step 2: Press the setting button to stop the temperature flashing. Set the starting temperature to 50 °C with the up and down keys.
The third step: stop at 65 °C, start again at 50 °C, so the return difference needs to be set to 65-50=15, enter the internal menu and set P1 to 15, the heating case is set!
Cooling mode setting mode:
Setup steps:
The first step is to set P0=C
The second step sets the stop temperature
The third step sets the hysteresis value
Setting method:
Press and hold the setting button to enter the internal menu and set P0 to C.
Press the setting button to stop the temperature flashing, and the up and down keys to set the temperature.
Long press the setting button to enter the internal menu, set the P1 backlash setting
Use Cases:
Control the farm, ventilate to 26 ° C to stop, the temperature rises to 28 ° C to start the refrigeration again, how to set up?
The first step: determine the working mode is cooling mode, set P0 to C
Step 2: Press the SET button to stop the temperature flashing. Set the stop temperature to 28 °C with the up and down keys.
The third step: stop at 26 ° C, start again at 28 ° C, so the return difference needs to be set to 28-26 = 2, enter the internal menu to set P1 to 2, the cooling case is set!
Package includes:
1 x Miniature embedded digital display thermostat
