W1219 Thermostat with Dual Display (12 V, 10 A)

Set the parameter list

P0 working mode:

• C: cooling mode

• H: heating mode

P1 hysteresis value setting:

E.g: P1 = 5

Cooling mode: when the detected temperature reaches the set value, the relay is disconnected and the temperature drops 5^oC.

Heating mode: when the detected temperature reaches the set value, the relay is disconnected and the temperature rises 5^oC.

P2: temperature correction:

This function ca be used to correct if there is a deviation between the detected temperature and the actual temperature.

AT = MT + CV ,where AT - actual value  MT - measured temperature  CV - correction value

If we measure the temperature to be 25.6^oC and the actual is 25.8^oC, CV can be set to 0.2 then the final temperature is 25.6 + 0.2 = 25.8

P3 delay start:

This function is used for compressor refrigeration. If you buy this thermostat for the fridge freezer, then this value must be set according to the pressure of compressor. The general setting is 3-6 minutes.

P4 high temperature alarm:

Set the high temperature alarm value. When the detected temperature exceeds, the screen will flash to alert you!

Electric wiring:

Operating Instructions:

1. After powering the thermostat, you will se a red temperature which is the detected temperature and a green one which is controlling temperature

2. Press shortly the SET button and you will be able now to set the temperature using +/- buttons

3. Press and hold for 3 seconds the SET button and you will be able to set the thermostat parameters, according to the upper list, using the +/- buttons 

4. Press shortly the SET button. Now, you can set the selected parameter.

5. Press and hold for 3 seconds the SET button or wait 5 seconds and the thermostat will be in the initial state.

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