Digital Thermostat 12V Temperature Controller with Relay Output XH-W1308

Digital Thermostat 12V Temperature Controller with Relay Output XH-W1308

Digital thermostat module with 7 segment display that you can use in smart home projects, incubators, cooling and heating systems.

It is easily controlled using the buttons on it.

This product works with 12V. If you want to operate it with 220V, you can find our 220V model here.

How to adjust the temperature?

When you turn it on, the actual temperature will be displayed; Press the “SET” button once, the display will flash and then press the arrow (up or down) to set the temperature.

How to enter more Settings?

Long press "SET" (5s) to enter more settings, press "ENT" to confirm the last menu and return.

In normal operations, long pressing may lead to Shutdown;

PO: Operating mode

If it is your first time using this digital thermostat module, you should set it to “PO”; If it works for heating, you should set it to “H”

If you are working for cooling, set it to “G”;

P1: temperature range value

For example: Heating mode, temperature is 37 C -40 C, then the value is 3.

P2-P3: To set the temperature range of thermostat P4: Set the temperature error

This function is to set the temperature error.

If there is an error between the actual temperature and the tested temperature, you can use this function.

Set value = tested value + set value. For example, we tested the temperature of 25.6℃, but the actual

temperature 25.8 C, P4 0.2, final temperature 25.6 C + 0.2 = 25.8 C;

P5: Delayed start

This function is used for compressor cooling.

If you want this device to use in refrigerator, then this value

must be adjusted. Adjust according to the return pressure of the compressor, usually 3-6 minutes; or you don't need the delay function , please skip this set.

P6: High temperature alarm

When the actual temperature exceeds the set value, the message "HHH" will appear on the screen and the buzzer will sound the alarm sound "di di di", at the same time it will cut off the output to protect the electrical circuit.

P7: Value lock. To prevent other people from changing the settings. After setting all values, you can enter “P7” and set it to “On”, then, all values cannot be changed unless “P7” is entered again to set it “Off”;

P8: Recover so that all values are in their initial state.