Dip Switch Setting - LEGRAND Wattstopper DT-355 Instrucciones De Instalación

Sensor de ocupación de voltaje de línea

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Time Delay: Switches 1, 2, 3

The sensor will hold the lights ON as long as occupancy is detected. The time delay countdown starts

when no motion is detected. After no motion is detected for the length of the time delay, the sensor will turn

the lights OFF.

Walk-through: Switch 4

Walk-through mode turns the lights OFF three minutes after the area is initially occupied, if no motion is

detected after the first 30 seconds. If motion continues beyond the first 30 seconds, the selected time

delay applies.

PIR Sensitivity: Switch 5

• Minimum forces a reduced detection range for the PIR.

• Maximum causes the DT-355 to monitor the controlled environment and automatically select the

maximum sensitivity that will provide reliable operation without false detection. This setting is

constantly updated.

Occupancy Logic: Switches: 6, 7, 8

The DT-355 has 5 logic configurations for occupancy triggers, set with DIP switches 6, 7 & 8. Determine

the appropriate Occupancy Logic Option using the Trigger matrix, then set the DIP switches accordingly.

Initial Occupancy: The method that activates a change from "Standby" (area unoccupied and loads are

OFF) to "Occupied" (area occupied and loads are ON).

• Both requires detection by PIR and Ultrasonic.

• Either requires detection by only one technology.

• PIR requires detection by the PIR.

Maintain Occupancy: The method indicating that the area is still occupied and the lights should remain

ON.

Re-trigger: After the time delay elapses and the lights turn OFF, detection by the selected technology

within the number of seconds indicated turns the lights back ON.

The Light Level feature holds lights off upon initial occupancy if adequate ambient light exists. It will not turn the lights off if they are on.

The default setting is for maximum, meaning that even the brightest ambient light will not hold the lights off.

Notes on Functionality

• Avoid mounting the sensor close to lighting fixtures.

• Adjust during daylight hours when ambient light in the area is at desired level.

• Light Level cannot be enabled while Test Mode is active. Either wait for Test Mode to expire or select any of the other Time Delay

settings before enabling the Light Level feature.

• Ultrasonic occupancy indicator from LED is disabled when the Light Level feature is enabled. PIR occupancy indicator LED may still

respond when lights are being held off. LEDs will also flash periodically to indicate the sensor has Light Level enabled.

• Light Level settings are only saved in the event of a power loss. Disabling Light Level and then reenabling it will not return it to

previous settings.

• If Test Mode is enabled after Light Level has been set, Light Level functionality will cease to function throughout the duration of Test

Mode. When Test Mode period expires, the Light Level functionality will resume, even if the Dip Switches remain set to Test Mode.

Setting Light Level

1. Make sure Test Mode is not active.

2. Toggle the state of the sensor, by briefly pressing the Light Level button, to include or exclude the lighting load from the light level

calibration. Open the Front Cover and locate the Light Level pusbbutton. See Sensor Adjustment.

3. Press and hold the Light Level button for 2 or more seconds, or until the detection LEDs turn On. Do not exceed 5 seconds.*

The sensor enters setup mode, as indicated by the rapidly flashing LEDs. The LEDs will flash throughout the setup process.

Occupancy indications from the LEDs are disabled during setup.

4. Move away from the sensor to avoid interference with light level detection. The sensor measures the light level for a 10 second

period, then averages the readings and automatically sets the level that will be used as the new setting. The sensor will hold lights

off when the ambient light exceeds this setting.

5. When the two LEDs stop flashing, replace the Front Cover.