ETC ELSH, ELSH-4 Data Sheet
Unison Echo Light SensorETC
Echo Control Series
GENERAL INFORMATION
Having the lights on in an already well-lit area means wasted energy
and bigger electrical bills. Echo Light Sensors are the sensible way
to lower energy expenditures and meet energy codes. Light Sensors
have a neutral look that easily blends into their surroundings. The
sensors are ready to go in their standard form, or you can detach
the sensor’s RemoLux head to use as a remote sensor. It is perfect
for atriums and other spaces with high ceilings. The Light Sensor can
also be installed indoors or outdoors.
APPLICATIONS
• Houses of worship
• Education
• Hospitality
• Healthcare facilities
• Office buildings
• Conference rooms
• Meeting rooms
• Retail
FEATURES
• Sensor Controller with or without integrated Light Sensor
• RemoLux: Light Sensor can be mounted within controller
housing or remotely
- Remote sensors connect using Belden 8471 or two
#16AWG wires
- Filler included for remote-head applications
• DuaLux: Supports up to two sensors to average light levels in
large areas
• Single Light Sensor for indoor, outdoor and atrium use
• Configurable to activate or deactivate any Echo controller
• EchoConnect: two-wire, topology-free bus for power and
communication
• Each sensor counts as one station with up to two light heads
• Available in white and black
• Supports switched and dimming daylight harvesting
• Two-zone daylighting control from a single sensor
• Multi Space Preset functionality
REGULATORY AND COMPLIANCE
• UL and cUL LISTED
• CE certified
• Compliant with California Title 24 when properly installed
and configured
ORDERING INFORMATION
Echo Light Sensor
MODEL DESCRIPTION
ELS Echo Light Sensor with Controller
ELSC Echo Light Sensor Controller Only
ELSH Echo Light Sensor Head Only
Note: Sensors come standard in pure white (RAL9010). Add -4 to the end of any model
number for black (RAL9004)
Echo Power Requirements
EchoConnect: One unit of control power
Auxiliary Power: Not required
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Unison Echo Light Sensor ETC
Echo Control Series
SPECIFICATIONS
FUNCTIONAL
• Configurable on and off set points
• Preforms space raise and lower for controllers configured to
the same space
• Configurable delay/offset
• Light Sensor can be mounted within controller housing or
remotely; filler included for remote head applications
• Support for up to two sensors with averaging of light levels
• Single Light Sensor for indoor, outdoor and atrium use
MECHANICAL
• Constructed of injection-molded, ABS plastic in Pure White
(RAL9010) or Black (RAL 9004)
• Electronics assembly and mounting plate included
• Two cantilevered configuration buttons
• No visible means of attachment
• Surface or box mountable using included mounting plate
- Supports drywall, plaster, wood, and concrete mounting
- Mounts to any standard electrical box (supplied by others)
- Mounts to compressed-fiber ceilings using wire-form
adapter
• Supports internal or remote mounting of light sensor
- Remote light head mounts to any 1/2” or 3/4” knockout
• Remote Heads use conformal-coated circuit boards resistant
to corrosion from moisture
- IP65 rated when used with a weather-tight backbox
ELECTRICAL
• Controller connects via EchoConnect control network utilizing
low-voltage Class 2 wiring
- Topology-free and polarity-independent wiring over Belden
8471 or equivalent and one #14 ESD drain wire
- Wiring may be bus, loop, homerun or any combination of
these
• Up to 500 meters (1640 feet) of control wiring per system
• Supports optional Cat5/5e wiring using Belden 1583A or
equivalent
- Requires optional Cat5 termination accessories
• Remote sensors connect using two #16AWG wires up to
1000’ away from controller
ENVIRONMENTAL
• Ambient room temperature: -30 to 55°C / -22 to 130°F
• Ambient humidity: Maximum 90% non-condensing
FUNCTIONALITY
BASIC MODE FUNCTIONALITY
• Above Target Lux Event: Space Lower
• Below Target Lux Event: Space Raise
CUSTOM MODE FUNCTIONALITY
(Requires Programing With EchoAccess Mobile App and additional
connection hardware)
• Switched Mode Bright Events Supported:
- Preset Activate*
- Zone Set to Level
- Space Off*
- Space Set to Level
• Switched Mode Dark Events Supported:
- Preset Activate*
- Zone Set to Level
- Space Off*
- Space Set to Level
• Dimmed Mode Space Control:
- Space Raise
- Space Lower
• Dimmed Mode Single Zone Control:
- Zone Raise
- Zone Lower
• Dimmed Mode Dual Zone Control:
- Zone 1 Raise
- Zone 1 Lower
- Zone 2 Percentage Raise
- Zone 2 Percentage Lower
*Multi Space capable - allowing for presets to be recalled in multiple
spaces from a single control
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