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DAYLITE HARVESTER ™

Light Level Correcting Photocell

Dimming fluorescent ballast logo

Description

The Easylite™ Daylite Harvester™ is a ceiling mounted sensor/controller, which sets and maintains a user adjustable illumination level in an area. It operates in conjunction with the Easylite™ fluorescent lighting system. The sensor may be mounted either in the ceiling grid or on the lower surface of an indirect fixture. The slimline controller is remote from the sensor and may be mounted either in the ceiling plenum or within the ballast channel of a fixture within 24" of the sensor. The controller, via the Easylite™ fluorescent lighting system may operate a virtually unlimited number of ballasts/fixtures.

Operation

The Daylite Harvester™ may be adjusted to the desired room light level by shining the beam of a standard flashlight into the sensor. The controller will begin a gradual adjustment of the light fixtures from dim to bright over a 20 second period with this cycle repeated every 20 seconds until the flashlight beam is removed from the sensor. Upon removal of the flashlight beam, the sensor and controller will set the room light level at that moment and will adjust the intensity of the light fixtures in response to the sensor setting. If solar light results in sufficient illumination to eliminate need for interior lighting, the controller will shut-off power to the fixtures.

The Daylite Harvester™ may be used in conjunction with Easytalk™ software, Address-a-lite™ zone controllers, Link Easy™ sub-zoning modules, local dimmers, and occupancy sensors.

 

 

Dimming ballast photocell light level control

Features

-Remote set-point adjustment via flashlight beam

 -Security setting to eliminate nuisance changes to levels and settings (on/off adjustable).

-Override input to dim lights below sensor setting, or two–hour override of harvester control for manual control of lighting independent of sensor (selectively adjustable).

-Double sensor configuration w/ blind (dark) sensor to eliminate drift due to sensor deterioration.

-Operates up to 250 Easylite™ballasts

-Discrete sensor appearance/size - 1" diameter x 3/16" thick