W1209 Blue LED Digital Temperature Controller Board Micro Thermostat Electronic Temp Control 12V DC Sensor Module Switch With One-channel Relay And Waterproof

the power supply and the load, you can supply to the controller.

It displayed as a measured temperature.

Press the "SET" button, the display flashes the temperature;

Press " + or - " to set the desired temperature (long press " + or - " to quickly increase or decrease);

After setting press SET to confirm return;

The controller automatically performs the relay by setting off!



Lights, LED status descriptions:

Indicator: "Off" The relay is switched off, "Always"indicate the relay is closed.

LED: Shows "LL" is the sensor open, showing "HH" is out of range, the thermostat will be forced to close the relay, the display, as high temperature protection.



Function Setting Table:

​long press "SET" to enter into setting





Code number
Code
Set range
Factory setting


P0
Cooling / Heating
C/H
C


P1
Hysteresis Setting
0.1-15
2


P2
Highest Setting Limit
110
110


P3
Lowest setting Limit
-50
-50


P4
Temperature Correction
-7-7℃
0


P5
Delay Start Time
0-10 Minute
0


P6
Key Tone Switch
0-110
Off

























When the Thermostat is power off, long press "- or +", you can restore the factory settings



Package list:

1 * W1209 Digital Temperature Controller Board