Product parameters

Supply voltage: DC12V

Temperature control range:- 55℃~120℃

Temperature control accuracy: 0.1 ℃

Digital tube: The display mode is a three in one digital display

Probe type: NTC10K/B3950， Waterproof probe L=0.5 meters

Output type: Relay output 10A

Product Application scope

Can be used for chassis temperature control, poultry hatching, air conditioning systems, temperature protection, and other occasions.

Product Function Diagram

Instructions

After connecting the wires, the controller will power on and display the current real-time temperature. Short press the SET button and it will flash to set the stop temperature. Then press the SET button again to return to the current real-time temperature. Press and hold the SET button for more than 1 second until "P0" is displayed to enter the mode setting interface. The setting process is as follows: press the+- button to select the mode (P0-P6)>press the SET button to enter the mode setting parameters>press the+- button to select the parameter value>press the SET button to return to the mode setting>press and hold the SET button or wait for 3 seconds for automatic saving and returning to the real-time display temperature interface.

Heating mode:

When the temperature set value return difference is ≤ the temperature measurement value, the relay conducts; When the temperature measurement value is greater than or equal to the temperature setting，When the value is set, the relay is disconnected.

Cooling mode: 

When the temperature setting value+hysteresis value ≥ temperature measurement, the relay is turned on; When the temperature measurement value is ≤ the temperature setting value, the relay will disconnect

P0: Working mode

When using the thermostat for the first time, the mode must be set. If it is used for heating (low temperature start, high temperature stop), it should be set to H; If used for refrigeration (high temperature start, low temperature stop), it should be set to C.

P1: Return difference setting

Long press the SET button to enter the setting mode, select P1, and then press the SET button again to set the hysteresis value. (Return difference refers to the difference required for the controller to resume operation after reaching the set temperature, for example: when set to heating mode, heating to 40 ℃, stopping at 35 ℃, and starting again, the return difference is 5).

P2/P3: Limit setting value (non temperature controlled)

P2 limits the maximum set value (non temperature controlled), P3 limits the minimum set value (non temperature controlled) with a minimum distance of 5 degrees between high and low

For example, if P2 is set to 50, the maximum set stop temperature can only be set to 50.

P4: Temperature correction

If there is a deviation between the detected temperature and the actual temperature, this function can be used for calibration. The actual temperature value is equal to the temperature control measurement value plus the calibration value. For example, if the temperature controller detects a temperature of 25.6 ℃ but the actual temperature is 25.8 degrees, P4 can be set to 0.2. The final displayed temperature of the temperature controller is 25.8 (25.8=25.6+0.2).

P5: Delay start

This function is generally used for compressor refrigeration. If you purchase this thermometer for use in a refrigerator cabinet, this value must be set. Depending on the magnitude of the back pressure, it is generally set to 3-6 minutes. If you do not control the compressor or do not need a delay function, skip this option directly.

P6: High temperature alarm

Set the high temperature alarm value. When the temperature exceeds this value, the screen will display an alarm prompt. The high temperature alarm value must be greater than the stop temperature value to be effective.

Special note

1. Pay attention to wiring according to the diagram and do not make mistakes.

2. This document only represents the product knowledge and parameters at the time of editing, and any changes in the future will not be notified separately.

3. K0 and K1 are relay on/off interfaces. Relays act as switches and are passive outputs,Used to control the on/off of load circuits.

4. The display of LLL on the digital tube indicates a sensor malfunction, and the probe wire can be checked for detachment or breakage.

5. The display of HHH on the digital tube indicates that the detected temperature exceeds 110 ℃, and the temperature can be lowered to continue use. If the fault persists, you can check if the probe connection wire is short circuited. Pulling it off and displaying LLL indicates that the motherboard is normal

6. After power failure, press and hold the+- button at the same time before powering on, or press and hold the+- button while working. The digital display will show 888 to restore the factory settings.

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