Advanced Daylight Calibration: Calculate The Daylighting Factor Sensitivity Value - Cooper Lighting WaveLinx Lite User And Programming Manual

User Manual: WaveLinx Lite (1.5)

Advanced Daylight Calibration: Calculate the Daylighting Factor Sensitivity Value

Outdoor applications may have specific challenges that arise when calibrating closed loop daylighting. In parking garages or other outdoor
situations, the lighting may turn OFF correctly, but there may be enough light from adjacent fixtures that prevents specific fixtures from turning
back ON at night. If the lighting is turning OFF at sunrise correctly but is preventing some fixtures from functioning correctly after Sunset, a
'Daylight Factor Sensitivity' value can be applied to help fix this issue.
This procedure assumes that original calibration was done at night with lighting calibrated to 100%.
IMPORTANT: Perform these steps at night. The procedure does involve turning fixtures OFF in the affected space.
Plan accordingly. A light meter or light meter app will be required.
Follow the steps below to calculate the 'Daylighting Factor Sensitivity' value:
1: Go to the location that is exhibiting the behavior.
2: If the fixture that exhibits the behavior is currently ON, skip to step 3. If the fixture is currently OFF, use the light meter to measure the light
level under the fixture. This is the measured light level (M1). Write the measured light level down:
M1=_____________________________________________
3: If the fixture that exhibits the behavior is currently OFF, skip to step 4. If the fixture is currently ON, use the mobile application to go to the
device details, 'Daylight Sensor' page and switch the 'Test Mode' switch to the ON position to speed up daylight transitions. Shine a flashlight
into the sensor lens until the light turns OFF (30 seconds to 1 minute). Use the light meter to measure the light level under the fixture. This is the
measured light level (M2). Write the measured light level down. Turn OFF daylight sensor 'Test Mode'.
M2=_____________________________________________
Turn test
mode ON
4: Use the mobile application to issue zone commands to turn OFF (0%) all of the fixtures in the zone. (All directly adjacent fixtures and the
fixture under test should turn OFF).
5: Use the mobile application to access the device details page for the fixture under test. In the 'Dimmable' page, drag the slider to 100% and
leave the page open. At this point, all fixtures except for the one under test should be off. The fixture under test should be FULL ON.
Adjust zone to 0%
6: Use the light meter to measure the light level under the fixture. This should be the calibrated light level (C). Write the calibrated light level
down:
C=_____________________________________________
Note: The measurement can be taken in either lux or foot-candles as long as any other measurements are made using the same unit of measurement.
Turn test mode
OFF when done
Turn device
ON to 100%
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