Edwards 3100738 Manual
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Edwards 3100738 Manual

Edwards 3100738 Manual

Superduct signature duct smoke detector
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SuperDuct Signature Duct Smoke
Detector
P/N 3100738 • Rev 02 • 18JAN17
Content
Introduction ............................................................................ 1
Related documents .................................................................. 1
Duct smoke detector limitations ............................................... 1
Product description ............................................................... 1
Overview .................................................................................. 1
Description ............................................................................... 2
Features ................................................................................... 2
Specifications ........................................................................... 3
Accessories .............................................................................. 3
Operation ................................................................................ 4
Controls and indicators ............................................................. 4
Normal state ............................................................................. 4
Alarm state ............................................................................... 4
Trouble state ............................................................................ 4
Installation .............................................................................. 4
Installation guidelines ............................................................... 4
Installation sequence................................................................ 5
Wiring ....................................................................................... 6
Configuration ............................................................................ 6
Maintenance and service ....................................................... 6
Recommended service schedule ............................................. 6
Testing the duct smoke detector .............................................. 6
Troubleshooting ....................................................................... 6
Cleaning the duct smoke detector ............................................ 6
Technical Bulletin
SuperDuct Signature Duct Smoke Detector

Introduction

This document provides technical information for the
SuperDuct Signature Duct Smoke Detector (referred to simply
as duct smoke detector for the remainder of this document.)
This document applies to the following duct smoke detector
model: SIGA-SD.

Related documents

In addition to this document, important information regarding
the proper installation and maintenance of duct smoke
detectors is provided in the following standards:
•
NFPA 70 National Electrical Code
•
NFPA 72 National Fire Alarm Code
•
NFPA 90A Installation of Air Conditioning and
Ventilating Systems
•
UL 268A Smoke Detectors for Duct Applications
•
ULC 529 Smoke Detectors for Fire Alarm Systems
•
NEMA Guide for Proper Use of Smoke Detectors in Duct
Applications

Duct smoke detector limitations

SuperDuct duct smoke detectors will not operate without
electrical power.
SuperDuct duct smoke detectors will not operate as designed
outside of the listed electrical and environmental
specifications.
SuperDuct duct smoke detectors will not sense smoke unless
the ventilation system is operating and the sensor's cover is
properly installed.
SuperDuct duct smoke detectors may not operate as designed
unless installed in accordance with these instructions and all
applicable national and local codes as determined by the local
authority having jurisdiction.

Product description

Overview

The duct smoke detector is used to detect smoke under
extended temperature ranges, typically in self-contained
commercial rooftop HVAC systems. In self-contained
commercial HVAC units, the HVAC equipment is enclosed in
a single package to protect the internal components
(compressor, condensing unit, heating coils, etc.) from adverse
environmental conditions. Hinged or removable service panels
provide access to the equipment.
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Summary of Contents for Edwards 3100738

  • Page 1: Table Of Contents

    SuperDuct Signature Duct Smoke This document applies to the following duct smoke detector Detector model: SIGA-SD. P/N 3100738 • Rev 02 • 18JAN17 Related documents In addition to this document, important information regarding the proper installation and maintenance of duct smoke detectors is provided in the following standards: •...

  • Page 2: Description

    The duct smoke detector’s primary purpose is to provide early nonvolatile memory. This information can be retrieved and warning of an impending fire and shut down the HVAC unit in reviewed when desired. order to prevent smoke from circulating throughout the Air is introduced to the duct smoke detector’s sensing building.

  • Page 3: Specifications

    Standalone alarm: 18 mA Operating environment SD-MAG Test magnet kit Temperature: -29 to 70 C (-20 to 158 F) SD-VTK Air velocity test kit Humidity: 93% RH, noncondensing SIGA-LED Remote LED Technical Bulletin 18JAN17 P/N: 3100738 REV: 02 SuperDuct Signature Duct Smoke Detector...

  • Page 4: Operation

    Alarm state Operation The duct smoke detector enters the alarm state (is activated) when the amount of smoke in its sensing chamber exceeds its alarm threshold setting or when an alarm test is initiated. Upon Controls and indicators entering the alarm state, the duct smoke detector’s: •...

  • Page 5: Installation Sequence

    Bend or other obstruction Sampling tube connector Airflow 6 to 10 duct widths 1 duct width • For detection of smoke in the supply air system, install Sampling tube Detector the duct smoke detector in the supply air duct at a point (fully assembled) downstream from the supply fan and air filters Figure 4: Sampling tube installed from the front...

  • Page 6: Wiring

    After you have finished testing the duct smoke detector, reset Wiring the control panel in order to restore the detector to its normal Figure 8 shows how to wire the duct smoke detector and its state. accessories. Run all field wiring into the detector through the knockouts located at the top of the detector housing.
  • Page 7 To clean the duct smoke detector: 1. Remove the detector’s cover then power down the detector by disconnecting the Signature loop Data In and Data Out wiring. 2. Using a vacuum cleaner, clean compressed air, or a soft bristle brush, remove loose dirt and debris from inside the detector housing and cover.
  • Page 8 8.70 in (22.1 cm) 8.15 in (20.7 cm) 7.75 in (19.7 cm) 1.60 in 3.08 in (7.82 cm) (4.06 cm) 2.28 in (5.78 cm) 5.45 in (13.84 cm) 1.90 in (4.83 cm) 5.40 in 1.38 in (13.72 cm) (3.51 cm) Figure 7: Mechanical dimensions Technical Bulletin SuperDuct Signature Duct Smoke Detector...
  • Page 9  SIGA-LED [1] Active  Active SD-TRK Test SD-TRM [1] Auxiliary equipment To Data In (+/-) Data Out (-) on next Signature Data Out (+) device From Data Out (+/-) Data In (+) 17 16 15 on previous Data In (-) Signature device 14 13 12 11 10 Power indicator...

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