While I am a licensed Master HVAC contractor I am not a code official but here is my answer. True False Correct Answer: False . While the IMC is the most commonly-applied standard in the United States, it's not the only standard that dictates terms for duct detectors. Let's look at the requirements in two of the prominent codes and standards. The detector can be reset by a momentary power inter-ruption, by the magnet . A smoke duct detector on the supply side will do two things provided it is wired and controlled properly. PAD300-DUCT | Potter Electric Feb 5, 2014 #3 I'm not aware of any potential ADA requirements for the operation of a test switch. Discover magazines for computer and electronics enthusiasts. Some links on this website may take you to other third-party sites and you acknowledge and agree that HKTDC and the HKTDC Affiliates have no responsibility for the accuracy or availability of any information provided by those linked websites. Duct Detector Requirements and Testing | Security Info Watch I could really use some clarifications on a couple things, so if anyone is able to help, I would really appreciate it. Always ensure you check the latest codes for current information. They are a vital part of a buildings fire safety system and can help save lives in the event of a fire. Additionally, some municipalities have more stringent codes in place. Made in United States. by High Performance HVAC | Duct Work | 4 comments. 2015 International Mechanical Code (Imc) | Icc Digital Codes We accept improvement in any form including via grammar Nazi)))! The purpose of the NFPA 90A is to prevent the spread of smoke and fire through ductwork and ventilation systems for air conditioning and heating systems with high capacities. The PAD100-DRTS module does not require an SLC loop address. This quiz is based on the 2019 NFPA 72, 2018 NFPA 90A and 2018 International Building Code (IBC). This commission helps us pay for the overhead of running this website. Engineering drawings typically have the location of installation to comply with code requirements. Test switches are required in order to properly test the detector and ensure that it is functioning correctly. It spreads smoke that can harm theoccupants of the facility where it is located. As the title says, I have some questions about the fire alarm side of duct smoke detectors. LEDs on each detector illuminate to provide local alarm indication, and optional accessories offer a varietyGARAGE of an-nunciation capabilities. The fire alarm systems primary goal is to enable occupants to escape more quickly and allow a safer building for firefighters to enter. The test shall be made in . SD505 Duct Smoke Detector Remote Test Switch | Detector Test Equipment It is important to test the duct detector on a regular basis to ensure that it is working properly. Factory New. 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. December 2018 DNR(W) housings with a date code of 0013 or higher do not require external 24VDC for remote test applications when used with a remote-test-capable detector. Duct Detectors Smoke Detection NFPA 90A Code Requirements. Alarm current [6] Duct Detector Maintenance and Test Procedures must be limited to 100mA or less by the control panel. It may not display this or other websites correctly. The way I read this I understand that when the Duct Detectors that are installed cannot be seen easily they are either required to have their own point or zone on the panel so you know exactly which detector activated or they need to have a RTS. There seems to be a conflict in the codes from the NFPA 90A and the International Mechanical Code. FOR SM-501 SERIES DUCT SMOKE DETECTORS PRODUCT OVERVIEW . Heres why: While not required by code, test switches provide a convenient way to test your duct detectors without having to access the detector itself. Under what circumstances will this be the case? October 2022 PDF Installation Instructions for Duct Smoke Detectors Mounted on First, it will send an alarm to alert the facility operator and maintenance staff. Consult the SuperDuct installa-tion sheet for details. Power Requirements Standby: 3.0 mA max. Create an account to follow your favorite communities and start taking part in conversations. How well do you know the installation and testing requirements for duct smoke detectors? Learn more how customers reviews work on Amazon. Reddit's International Fire Alarm Technicians Sub, Press J to jump to the feed. PDF TrueAlarm Analog Sensing For a better experience, please enable JavaScript in your browser before proceeding. Viking 19383MB/B - FireAlarm.com Specifically for duct detectors, the test method table states, "Air duct detectors shall be tested or inspected to ensure that the device will sample the air stream. Login. September 2016 Joe Meyer, PE, is a Fire Protection Engineer out of St. Louis, Missouri who writes & develops resources for Fire Protection Professionals. October 2020 Some of our partners may process your data as a part of their legitimate business interest without asking for consent. , Potter Announces the PAD300 D-TECT Addressable Sensors and Bases, Potters expanded line of D-TECT Sensors and bases have been designed from the ground up with unmatched, What People Are Saying About Working With Potter. . 6.0 Alarm Zones: Each manual pull station, area or duct smoke detector, heat detector, sprinkler system water flow switch, and tamper switch shall annunciate as a uniquely identified point, and shall identify the device ID, location and zone assignment of the device. Test switches, magnets, and other forms of testing that do not introduce smoke from the area being protected (i.e., the duct), through the sampling tube and into the detector chamber are not equivalent methods of testing the device per Table 14.4.3.2, 17. These cookies do not store any personal information. Reply. They are not required for the operation of the detector, but they may be used to verify that the detector is working properly. Are duct detector test switches required? - Detectors Blog Description The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and August 2020 Temperature: -10C to 60C (14F to 140F) Humidity: 95% RH Non-condensing Max Listing: UL, FM, CE FIGURE 1. All good questions, but I'm as confused as you are. Switch ratings (SD-TRM) Voltage: 200 Vdc, max. Duct detector test switches: what are they and do you need them? First of all, and above all else, the detector must be listed for being used in air duct system (NFPA 72 17.7.5.5.1). Duct detector test switches are devices that are used to test the operation of duct smoke detectors. Passive Fire Protection Ive had this question asked of me several times. Duct detector test switches are usually located near the fire alarm control panel. Nor should it serve as an early warning detection system. June 2016 Test Switch: 10 VA @ 32 VDC Reset Switch: 10 VA @ 32 VDC Alarm Response Time: 40 sec. The question: Where do you install duct detectors in the ductwork? Always follow duct detector manufacturers instructions and code for wiring. Shipping cost, delivery date, and order total (including tax) shown at checkout. Already a member? Promoting, selling, recruiting, coursework and thesis posting is forbidden. JavaScript is disabled. Specifications. Cambridge Air Solutions | HVAC Technical Blog Book Review Full content visible, double tap to read brief content. PDF Innovairflex 4-wire Photoelectric Duct Detector D4120 By joining you are opting in to receive e-mail. Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. The NFPA 90A is specific in defining the position of the duct smoke detectors in the ductwork. Furthermore, the RTS151KEY(A) is capable of resetting only certain models of detectors. Remote station magnet Your email address will not be published. Through Potter Academy, you will be able to access hundreds of bite sized self-paced training modules, earn CEUs, and deepen your industry and product knowledge all for free! Life Safety 7311 NW 12 St Unit 29 Current: 0.5 A, max. I also wrote and article on hva. Remote Alarm Accessory, 4-1/2" L - - Amazon.com Current requirements: Included in controller specification LED circuit ratings Voltage: 3 Vdc, max. . The remote reset will then reset the duct detector allowing the fire alarm system to fully reset. The duct shall not . (Remote Test Switch) NFPA 72 (2002) 72-435.14.5.8 Please let me know if you think my interpretation is correct on this matter. 2023 Potter Electric Signal Company, LLC. Part of this maintenance is testing the function of the systems duct detectors. Brief content visible, double tap to read full content. 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. It shall be capable of local testing via magnetic switch or remote testing using the RTS451KEY(A) remote test station. Engineering Codes, Standards & Certifications, Low-Volume Rapid Injection Molding With 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing. What is a Duct Detector/ Duct Detector Key Switch? - YouTube To add the following enhancements to your purchase, choose a different seller. Special requirements for installation and successful operation make it necessary for a trouble-free installation. to 1 ft; ST-50 - Sampling Tube for Ducts 3 ft to 5 ft; WP-2000 - Weather Resistant Enclosure for Duct Housing (2) Rigid mounting to the wall of the duct with the sensing element protruding into the duct. Current: 4 A, max. PDF Intelligent Duct Smoke Detector - Steel Fire Equipment