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ETC Sohrana Installation Manual
ETC Sohrana Installation Manual

ETC Sohrana Installation Manual

Dual tech occupancy sensor

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ETC Installation Guide
Sohrana Dual Tech Occupancy Sensor
Overview
Sohrana Dual Tech Occupancy Switch Sensors feature built-in passive infrared
(PIR) and high frequency doppler (HFD) sensing technology, providing reliable
occupancy and vacancy sensing for lighting control. The sensors are line
voltage and install into a standard NEMA flush or surface-mount wall box.
One-pole and two-pole models are available.
You can configure the sensor using DIP switches on the device. See
Settings on page 7
The Dual Tech Occupancy Sensor also features an ambient light sensor that
manages the controlled lighting levels according to ambient light levels,
inhibiting artificial lighting when ambient light levels are higher than
required. You can set the ambient light level (Lux) threshold using rotary
switches on the device. See
The sensor is zero-cross switching and easily controls a high inrush current
load while switching On. This includes loads such as multiple LED lamps or
compact fluorescent lamps connected in parallel.
The one-pole model (US-DOC-SM1) includes a single
push button for controlling one lighting load. By default
the sensor is configured to turn on the lighting load
automatically when the sensor detects occupancy and
turn off the load when vacancy is detected.
The two-pole model (US-DOC-SM2) includes two push
buttons for independent control of two lighting loads or
circuits. By default, the primary load (pole 1) is
configured for occupancy sensing mode and the
secondary load (pole 2) is configured for vacancy sensing
mode.
for more information.
Rotary Switches on page 10
Corpora te He a dqua rte rs n Middleton, WI, USA | +1 608 831 4116
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Trademark and patent info:
subject to change. ETC intends this document to be provided in its entirety.
7 1 8 0 M 2 1 0 2 Rev A Released 2021-11
support.etcconnect.com
| © 2021 Electronic Theatre Controls, Inc.
etcconnect.com/ip
| Product information and specifications
DIP Switch
for more information.

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Summary of Contents for ETC Sohrana

  • Page 1 | © 2021 Electronic Theatre Controls, Inc. Trademark and patent info: etcconnect.com/ip | Product information and specifications subject to change. ETC intends this document to be provided in its entirety. 7 1 8 0 M 2 1 0 2 Rev A Released 2021-11...
  • Page 2 • mount behind or near tall cabinets, shelves, hanging light fixtures, plants, etc. Every occupant within the desired sense range should be able to clearly see the sensor (line-of-sight). The sensor is more sensitive to the movements crossing the detection •...
  • Page 3: Specifications

    ETC Installation Guide Dual Tech Occupancy Switch Sensors Specifications Note: Installation must follow all national and local codes for electrical equipment. Electrical 120/277 VAC, 60 Hz, Inrush Maximum per pole, 80 A, 16.7 ms US-DOC-SM1 US-DOC-SM2 Single-Pole Control Bi-Level Control Black...
  • Page 4 ETC Installation Guide Dual Tech Occupancy Switch Sensors Environment Ambient temperature: -40°C–55°C (-40°F–131°F) • Relative humidity: maximum 95%, non-condensing • Mounting Install 90–150 cm (3–5 ft) above the floor • Dimensions 105x45x42 mm (4.13x1.77x1.65 in) including mounting • bracket Note: Install the sensor at least 0.3 m (1 ft) away from any occupant.
  • Page 5: Installation

    ETC Installation Guide Dual Tech Occupancy Switch Sensors Installation 1. Before you begin: Read and follow all Safety requirements, • understand the Specifications for electrical, environment, and • mounting, and ensure that the installation Location meets the requirements. • 2. Install a standard NEMA wall box and pull all required line voltage and load wires to the installed box according to your installation requirements.
  • Page 6: Operation

    ETC Installation Guide Dual Tech Occupancy Switch Sensors Operation The sensor uses dual technology sensing technology including Passive Infrared (PIR) and High Frequency Doppler (HFD) to detect occupancy and vacancy status within its 180° field of view and to control the lighting load according to the sensor's settings.
  • Page 7: Dip Switch Settings

    ETC Installation Guide Dual Tech Occupancy Switch Sensors DIP Switch Settings Set the DIP switches according to installation requirements. See Modes on page 9 for each operation mode available on your switch sensor model. US-DOC-SM1 Settings Function Setting Switch Maximum High HFD Sensitivity Medium PIR and HFD...
  • Page 8 ETC Installation Guide Dual Tech Occupancy Switch Sensors US-DOC-SM2 Settings Function Setting Switch Maximum High Sensitivity Medium PIR and HFD Sensor Operation HFD only Occupancy Sensing with Light Sensing† Pole 1 Control Occupancy Sensing with Light Mode Sensing and Presentation Mode† Vacancy Sensing Only Control†...
  • Page 9 ETC Installation Guide Dual Tech Occupancy Switch Sensors Modes Vacancy Sensing Only The US-DOC-SM1 sensor in this mode requires an occupant to press the push button to turn on the lighting load. The sensor will switch off the load automatically when vacancy is detected and will remain off after the time delay elapses and no occupancy has been detected.
  • Page 10: Rotary Switches

    ETC Installation Guide Dual Tech Occupancy Switch Sensors Occupancy with Light Sensing and Presentation Mode This mode applies to the US-DOC-SM2 only. The sensor controls the lighting load of pole 1 using the same control function as defined in Occupancy with Light Sensing, but adds the benefit of Presentation Mode.
  • Page 11 ETC Installation Guide Dual Tech Occupancy Switch Sensors Time Time setting determines the delay time (in minutes) that the sensor will hold the lighting load on after occupancy was last detected. By default, this setting is 10 minutes. Power Up Apply power to the sensor and lighting loads, and allow the sensor to fully calibrate.
  • Page 12 ETC Installation Guide Dual Tech Occupancy Switch Sensors Dual Tech Occupancy Switch Sensors Page 12 of 12...

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