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This device is only required when the duct detector is not resettable from the FACU. August 2017 a detailed answer to satisfy requirements, exclusions and exceptions to the requirement, references for further information about HVAC equipment and fire safety, Finally, additional related information about fire and smoke dampers regarding HVAC, In multi-story buildings at each story with a commonly shared return and having a capacity greater than. Green indicates power as well as that the detector board is in place. In air supply systems with a capacity greater than, Ventilation fan systems used to remove air from the inside of the building to the outside of the building. Output terminals are provided for a wide range of remote accessories such as horns, strobes, remote status indicators, and test/reset key switches or push buttons. Knowing that you can easily test your duct detectors can help you sleep better at night, knowing that your HVAC system is up and running correctly. Flammable & Combustible Liquids By law, all buildings with HVAC systems must have a way to test the system to make sure it is working properly. :DS.E.R. Under what circumstances will this be the case? But what are they and what do they do? Joe Meyer, PE, is a Fire Protection Engineer out of St. Louis, Missouri who writes & develops resources for Fire Protection Professionals. Products 15 19 14 3 20 2 11 2 6 Alarm Signal 1 Aux. June 2018 These fans are excluded from the above requirements and, ASHRAE Handbook and Product Directory, Fire and Smoke Control, The Fundamentals of HVAC Direct Digital Control. Copyright 1998-2023 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. Remember, others will be testing the installation, including the code inspector, fire inspectors, and commissioning people. This item can be returned in its original condition for a full refund or replacement within 30 days of receipt. FOR SM-501 SERIES DUCT SMOKE DETECTORS PRODUCT OVERVIEW . March 2022 And, finally, when is a remote test station required? May 2019 Use duct tape or other approved method to seal the aerosol smoke entry hole. We also use third-party cookies that help us analyze and understand how you use this website. In most cases, yes. You are using an out of date browser. Terminal connections shall be of the strip and clamp method suitable for 12-18 AWG . Design Challenge Floor Control Valve Google Maps Location. Please let us know here why this post is inappropriate. To test the duct detector, the user simply needs to activate the test switch. The Joint Commission/NFPA Life Safety Book for Health Care Organizations, U.L. Eligible for Return, Refund or Replacement within 30 days of receipt. The test switch is usually located on the outside of the detector, near the bottom. I'm not aware of any potential ADA requirements for the operation of a test switch. The question is: Where do you install these devices in the ductwork? This will cause the detector to sound an alarm. Yes, if the duct detector cannot be reset at the FACP or annunciator, then a separate test/reset station will need to be installed for resetting the duct detector per NFPA 72 section 23.8.5.4.6.4 Where duct smoke detectors are not resettable from the protected premises fire alarm system, a listed alarm/ supervisory indicator with an integral reset switch shall be provided in an accessible location.. Special requirements for installation and successful operation make it necessary for a trouble-free installation. They are used to detect the presence of smoke in air ducts and trigger an alarm. February 2020 Announcements This means that it up to the AHJ to decide which standard they follow. This is a video simplifying the duct smoke detectors, you will commonly see these installed in the duct work on HVAC systems. July 2016 SuperDuct detectors feature a unique design that speeds installation and . Then, turn the key back to the NORMAL position and remove. If I supply the duct smoke detector, power it, and connect it to the fire alarm system, does the HVAC contractor still need to install a Remote Test Station? September 2022 * A common Remote reset switch will reset all detectors. I would say it is operator preference. Test switches can be quite expensive, and they are not always necessary. . If you do not understand the code or the requirements ask the engineer or another qualified person on the project. Available as single-gang controllers or with a second-gang. Career JavaScript is disabled. Some questions regarding duct detector remote test stations, reset switches, and code requirements.. . Login. Calculators System Sensor 4W-B 4-Wire, Photoelectric i3 Smoke Detector, SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector with Thermal, Sounder, and Base, System Sensor 4WT-B 4-wire, photoelectric i3 smoke detector with a 135 Degree fixed thermal sensor, LinkTap D1 Wireless Water Timer & Gateway - 2 Zone Smart Hose Faucet Timer, Built-in Flow Meters, Real-Time Fault Detection & Notification, Automatic Rain Skip, Better Range Than WiFi, IP66, Alexa, Automotive Smoke Machine | Built-in Air Motor | EVAP Vacuum Leak Detector Tester | Shop Series Plus | Made in The USA, Airthereal Water Leak Detector 3-Pack with WiFi Gateway, Water Alarm Sensor with 0-120dB 4-Level Adjustable Alarm, Leak and Drip Alert with App Alerts for Home, Basement (Not Support 5G WiFi), Room Alert 3E Temperature & Environment Monitor 24/7 Online & Software alerting and Reporting to Prevent Downtime, Made in The USA, LSENLTY WiFi CO2 Detector, 5s Refresh High Accuracy Smart CO2 Monitor, App Control Indoor CO2 Meter with Alert, 1 Year Data Storage Air Quality Monitor for Home, Office(Only Supports 2.4G WiFi), 1996-2023, Amazon.com, Inc. or its affiliates, System Sensor RTS151KEY Remote Test and Reset Station with Key for Duct Smoke Detector, No Import Fees Deposit & $11.46 Shipping to France. In installations where the duct smoke detector's controls and indicators are hidden from view, a remote test station or an LED indicator can be connected to the detector to provide these functions. Description The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and AT DUCT DETECTOR METHOD #2 - TED TEST STATION FIGURE 5. It shall be capable of local testing via magnetic switch, test button on the cover, cover integrated smoke test port or remote testing using the RTS151 or RTS151KEY Remote Test Station. Description. December 2020 NFPA 90 states that the smoke detector should be installed in the SUPPLY after 2000 CFM, and IMC 606.2.1 says the RETURN. In addition to the testing required in Table 14.4.3.2(g) (1) and Table 14.4.3.2(h), test duct smoke detectors that use sampling tubes to ensure that they will properly sample the airstream in the duct using a method acceptable to the manufacturer or in accordance with their published instructions. February 2022 August 2019 Thats why many commercial and industrial buildings are required to have duct detector test switches installed. Click on the icon next to document links to add them to the download folder. Just got a call from the field asking if they could mount a remote test switch relatively high on the wall at 7 feet. 2.5 SIGNALING DEVICES . Therefore, they should complement the buildings fire detection system and not serve as the primary fire detection system. Orange Park, FL 32073 Do you agree with that? Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. Remote Test Stations Labor-saving Remote Test/Reset stations provide alarm testing from the convenience of a remote location. Miami, FL 33126 Ciao Brand: Viking FireAlarm.com Part #: 83051 Manufacturer Part #: 19383MB/B. If a facility only has a few duct detectors, it may not be worth the investment to purchase a test switch. We have received your request and will respond promptly. PageBreak. Greg Kessinger has been SD&Is fire alarm and codes expert and a regular contributor for more than 15 years. Sign up to receive information on our latest and featured product. Where are these required? The Basic Rundown for Field Installations | Where are Smoke Duct Detectors Required? When do Duct Detectors require that a RTS? Don't forget about those Remote Alarm LED indicators and key test switches. The PAD100-DRTS module does not require an SLC loop address. The user can then verify that the detector is working properly. August 2020 Standpipes Fire Events Additionally, red indicates alarm. July 2015 JavaScript is disabled. Area detection can be used to shutdown units. October 2022 Engineering drawings typically have the location of installation to comply with code requirements. +1 (855) 500-6857 Return2 NFPA 90A 6.4.2.1(2) 1 Installed "downstream of the air filters and ahead of any branch connections in air supply systems". Turning the test switch to "TEST" will initiate an alarm and allow the resulting system responses to be verified. For those clients who wonder who is inspecting and testing HVAC duct detectors on a yearly basis, the answer is probably nobody; however, for those that do, it tends to fall on fire alarm installation companies because of NFPA 72. Metal 3D printing has rapidly emerged as a key technology in modern design and manufacturing, so its critical educational institutions include it in their curricula to avoid leaving students at a disadvantage as they enter the workforce. Switch ratings (SD-TRM) Voltage: 200 Vdc, max. up to 18 inches in width. March 2021 February 2018 duct detector remote test switch requirementsdiameter and circumference of a soda can in cm. Duct detector test switches are required in order to test the operation of the duct detector. 7.0 Coordination: In NFPA 72-19, remote test switches are simply a convenient functional test mechanism to prove that the AHU will shut down upon device activation per Table 14.4.3.2, Item 20, Interface Equipment at a periodic frequency specified by 14.4.4.4. When do Duct Detectors require that a RTS? 7311 NW 12 St Unit 29 It is mandatory to procure user consent prior to running these cookies on your website. To get started, click a course below or to learn more about Potter Academy, click here. September 2021 Duct Detectors Smoke Detection NFPA 90A Code Requirements. without a test switch, it is very difficult to properly assess whether or not a duct detector is working correctly. Life Safety However, we recommend installing them anyway. It may not display this or other websites correctly. Question: Where to place smoke detectors in the ductwork on commercial projects to comply with code? March 2018 I know that there is a difference - but are these devices typically combined into a single device? The test switch doesn't test the duct detector per NFPA 72 Table 14.4.2.2(g), so it is just supplemental. Engineering Codes, Standards & Certifications, Low-Volume Rapid Injection Molding With 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing. Also, it is recommended that the installer be familiar with these requirements, with local codes, and any special requirements of the local authority having jurisdiction. Duct Detectors. The System Sensor RTS451KEY is an automatic fire detector accessory designed to test remotely located duct and beam detectors. July 2017 . These cookies do not store any personal information. Feb 5, 2014 #3 I'm not aware of any potential ADA requirements for the operation of a test switch. Gas Heating Troubleshooting and Repair Index, Duct Detectors Smoke Detection NFPA 90A Code Requirements. Finally, always follow all safety instructions which include code and manufacturer instructions. Passive Fire Protection Brief content visible, double tap to read full content. 2012 International Mechanical Code (IMC) The 2012 IMC requires duct smoke detectors to be located in the return air duct or plenum upstream of any filters, exhaust air connections, outdoor air connections, or decontamination equipment and appliances. December 2022 Promoting, selling, recruiting, coursework and thesis posting is forbidden. The remote test station simply shorts the contacts of the detector to ensure it is connected to the fire alarm circuit. You also have the option to opt-out of these cookies. I could really use some clarifications on a couple things, so if anyone is able to help, I would really appreciate it. November 2017 When installing duct-type smoke detectors, they can be installed as described below: (1) Rigid mounting within the duct. February 2019 Already a member? When it comes to fire safety, there is no such thing as being too careful. Power + Sup . All our duct smoke detectors support photoelectric detector heads. It looks like WhatsApp is not installed on your phone. WIrInG DIaGram for rtS151 to D2-2WIre DuCt Smoke DeteCtor: rtS151 remote test Station InStallatIon anD maIntenanCe InStruCtIonS 3825 Ohio Avenue, St. Charles, Illinois 60174 1-800-SENSOR2, FAX: 630-377-6495 www . Close this window and log in. An example of data being processed may be a unique identifier stored in a cookie. Magnet . Engineering drawings do not always represent these details. 1. P/N 1700-11140 Page 2 of 2 . The duct smoke detector latches into alarm state when an alarm occurs. Duct Detectors Smoke Detection - NFPA 90A Code Requirements, Resource: The Fundamentals of HVAC Direct Digital Control.