System type, Step 2, 5 steps to daylighting success – Alera Lighting AL1072 - Installed Daylight Sensors Guide User Manual
Page 3: Closed loop open loop

Sensor views
below
Sensor views
window
• Small, unobtrusive daylight sensor does not impact
luminaire aesthetic
• Closed loop daylight harvesting method
— Looks down at a cone of light below the product to
measure electrical input needed
— Does not require a direct view of window to operate
— Stand-alone system does not require additional
components to operate correctly
• Daylight Sensor and Mark 7 0-10V dimming ballast
arrive pre-installed in Alera Lighting product
SYSTEM TYPE
SYSTEM TYPE
ADVANTAGES
ADVANTAGES
APPEARANCE
APPEARANCE
STAND-ALONE SYSTEM
COMPATIBLE BALLASTS
Delivered pre-commissioned. Commissioning
adjustment, if desired, via manual twist sensor ring.
Does not require additional components to operate and
commission; preset for 45fc out of the box.
EDMK7—Mark 7 0-10V Dimming
INTEGRATED SYSTEM
COMPATIBLE BALLASTS
Sensor and dimming ballasts are factory installed as
components of a larger Lutron EcoSystem® controls
plan. Requires additional vendor supplied components to
operate and commission.
EDLUTES—Lutron EcoSystem (EC5 Series)
5
4
• Modestly sized sensor with white finish
• Open loop daylight harvesting method
— Aims directly at window for a true daylight reading
— Requires a direct view of the window to operate
— Part of a Lutron EcoSystem installation which integrates
seamlessly into Lutron's proprietary larger system
• Daylight Sensor and Lutron EcoSystem® digital dimming
ballast arrive pre-installed in Alera Lighting product
SHOWN WITH CURV RADIAL BAFFLE SOLID
SHOWN WITH CURV RADIAL BAFFLE SOLID
STEP 2
SELECT YOUR INSTALLED SENSOR
PHILIPS LUXSENSE
LUTRON ECOSYSTEM
5 STEPS TO DAYLIGHTING SUCCESS
PHILIPS LUXSENSE (-DSPL)
Sensor signal affected by light sources controlled
CLOSED LOOP
OPEN LOOP
LUTRON ECOSYSTEM (-DSL)
Sensor signal not affected by light sources controlled