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Turn the brightness threshold dial to the desired lux level. The light will trigger when ambient brightness falls below this setting.
Connect phase and neutral to the designated input terminals.
To save energy, you can program the lights to turn off completely during the middle of the night (e.g., from 1:00 AM to 5:00 AM), even if it remains completely dark outside. Press Menu , select , and press OK . Choose NEW PROGRAM and press OK .
The Merlin Gerin Multi 9 IC 2000 P (often integrated under the Schneider Electric brand) is a high-performance twilight switch. It automatically controls lighting circuits based on ambient light levels. This manual provides comprehensive instructions for installing, programming, and troubleshooting the device. 1. Product Overview and Technical Specifications Merlin Gerin Multi 9 Ic 2000 P Manual
It combines light-sensitive switching (adjustable from 2 to 2000 lux) with a 7-day (weekly) programmable timer.
The device keeps time during power cuts, but the battery will degrade after 5–7 years.
Mastering Your Lighting: A Guide to the Merlin Gerin Multi 9 IC 2000 P Turn the brightness threshold dial to the desired lux level
Elias arrived with his tool bag slung over one shoulder and a cup of lukewarm coffee in his hand. He made his way to the basement, the beam of his flashlight cutting through dancing dust motes. The main distribution board was hidden behind a rusted metal door that groaned in protest as he pulled it open.
Ensure the main power supply is isolated before making any physical connections to the device.
Connect your lights to the output relay (terminals 3 and 5). ⚙️ Adjustment & Calibration The unit features two main dials on the front face: To save energy, you can program the lights
The remains a durable and accurate choice for automated lighting management. By following this manual to correctly install the sensor and program the Lux/time thresholds, you can achieve significant energy savings for exterior, parking, or security lighting systems.
Press M to confirm and set the day of the week (1=Monday, 7=Sunday). Press M again to finalize. 3.2. Creating a Programming Schedule (ON/OFF Times)
The light sensor should be fixed externally in a vertical position. It must not be placed near magnetic devices like transformers or contactors that could cause interference.