Verify the Red LED turns on when you cover the sensor manually with your hand or a dark cloth (wait 80 seconds for the delay).
Disclaimer: Electrical work is dangerous. Always isolate the supply and verify dead before touching terminals. When in doubt, call a licensed electrician. Merlin Gerin Multi 9 Ic 2000 P Manual
Connect the photo-electric cell to terminals 1 and 2. Verify the Red LED turns on when you
Use separate conduits for photocell cables and 230V AC power conductors to avoid interference. Maximum photocell cable length is 100 meters. Merlin Gerin Multi 9 Ic 2000 P Manual