12V専用 LED照明 ライト／12V電気機器 通販

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Red start Indicator:
START (red) indicator light, which means that the relay is closed, the device begins to work
Green stop light:
Stop (green) light is on, which means that the relay is disconnected, the device stops working

Digital Tube
Middle red LED display for the current detection temperature, the left green digital display tube as set start temperature, the right side of the green digital display for the set stop temperature.

Button
START "" to set start temperature
Stop "" to set stop temperature

1 High temperature start:
Set the starting temperature value> stop temperature value,
When the detected temperature ≥ start temperature, the relay is closed, refrigeration equipment work;
When the detected temperature ≤ stop temperature, the relay off, refrigeration equipment stops working.

For example: Set the starting temperature is 30 C, stop temperature is 25 C,
When the detected temperature ≥ 30 C, the relay is closed, the start Indicator (red) lights;
When the detected temperature value ≤ 25 C, the relay off, stop Indicator (green) light.

2 cold start: start temperature set value
When the detected temperature ≤ start temperature relay is closed, the heating device operates;
When the detected temperature ≥ stop temperature, the relay off, the heating device is stopped.
For example: Set the starting temperature is 25 C, stop temperature is 30 C,
When the detected temperature value ≤ 25 C, the relay is closed, the start Indicator (red) lights;
When the detected temperature ≥ 30 C, the relay off, stop Indicator (green) light.

3 set to start when the temperature value = stop temperature value, the relay off