Merlin Gerin Multi 9 Ic 2000 P Manual __full__ Link

Indicates that the brightness detected by the sensor is below the set threshold (the output relay is active). Troubleshooting Common Issues Lights stay on during the day: Check if the sensor is covered by debris, snow, or dirt. Verify the Lux dial isn't set too high (near 2000 Lux).

Use the rotary dial on the front of the unit to set the light level at which the circuit should activate. Merlin Gerin Multi 9 Ic 2000 P Manual

Install the photo-electric cell outdoors. It must be positioned away from the lights it controls to avoid "cycling" (turning off because it sees its own light). Wiring the Terminals: Terminals 1 & 2: Connect to the 230V AC power supply. Indicates that the brightness detected by the sensor