Merlin Gerin Multi 9 Ic 2000 P Manual [exclusive] -

The is a robust, legacy industrial control device that continues to serve in countless electrical panels worldwide. While the unit itself is reliable, safe and correct usage depends entirely on having the original manual .

Turn the brightness threshold dial to the desired lux level. The light will trigger when ambient brightness falls below this setting. Merlin Gerin Multi 9 Ic 2000 P Manual

If you have a specific problem with your unit, I can help you more if you tell me: Is the currently lit? Is the Red status LED on or off? What is the current Lux setting on your dial? The is a robust, legacy industrial control device