CRESTRON: GREEN LIGHT NETWORK LIGHTING CONTROLS 26 09 43 - 12
through mode. Adjustable built-in photocell for daylight optimization. Equipped with 3-wire
interface for direct connection to control system; 24 VDC power from network control bus.
1. Basis of Design: Crestron Photocell Model GLS-OIR Series.
2. Mounting and Coverage: [Low profile ceiling surface mounted, 360 deg., 450 sq. ft.]
[Low profile ceiling surface mounted, 360 deg., 1500 sq. ft.] [Wall bracket mounted, 360
deg., 2500 sq. ft.] [Ceiling bracket mounted, 360 deg., 2500 sq. ft.] [As indicated].
Specifier: Crestron GLS-ODT Series Occupancy Sensors offer dual-technology sensing utilizing both
ultrasonic and passive infra-red detection with an internal microprocessor to maintain accurate control of
lighting systems, reducing energy costs while maintaining user convenience. Sensors detect movement
within space while reducing false triggering or shutoffs while space is occupied. Several mounting types
and coverage areas are available.
I. Remote Occupancy Sensors: Combination of ultrasonic motion detection and passive infrared
detection with internal microprocessor. Sensor independently adjustable for installed
conditions. Delayed time off adjustment. Walk-through mode. Adjustable built-in photocell for
daylight optimization. Equipped with 3-wire interface for direct connection to control system;
24 VDC power from network control bus.
1. Basis of Design: Crestron Photocell Model GLS-ODT Series.
2. Coverage: [180 deg., 500 sq. ft.] [360 deg., 1000 sq. ft.] [360 deg., 2000 sq. ft.] [1200
sq. ft.].
3. Mounting: [Ceiling flush mounted] [Ceiling surface mounted] [Ceiling bracket mounted]
[Wall flush mounted] [Wall surface mounted] [Wall bracket mounted] [As indicated].
J. Occupancy Sensor Interface Device: Integrates occupancy sensors and related sensors with
control network. In separate enclosure. 4-wire bus providing 24 VDC power to network
devices, with two independent sensing inputs.
1. Basis of Design: Crestron Sensor Integration Module Model GLS-SIM.
Specifier: Crestron Photocell Model GLS-LOL open-loop photocell sensing provides a cost-effective
solution for daylight harvesting, allowing multiple lighting zones to be controlled by a single sensor. In a
typical office, classroom, or similar space, the photocell is installed on the ceiling near a window, or in the
light well of a skylight, directed toward the incoming daylight and away from any electrical lighting
fixtures. The system estimates the total amount of ambient lighting in the room according to the light
level measured by the photocell.
Requires use of control processor specified below.
K. Photocell Sensor, Open Loop Type: Continually monitors daylight entering window or skylight
to enable daylight harvesting applications to provide control of room lighting based on presence
of daylight. Equipped with 3-wire interface for direct connection to control system utilizing
control processor; 24 VDC power from network control bus.
1. Basis of Design: Crestron Photocell Model GLS-LOL.
2. Mounting: [Ceiling flush mounted] [Ceiling surface mounted] [Wall flush mounted]
[Wall surface mounted] [As indicated].
Specifier: Crestron Photocell GLS-LCL is intended for use with closed-loop type daylight harvesting
systems. It continually monitors the total ambient light level from all available light sources, enabling
precise control of room lighting and window shades to maintain a consistent level of light throughout the
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