If you do not understand the code or the requirements ask the engineer or another qualified person on the project. The test switch is usually located on the outside of the detector, near the bottom. 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. The notificationplan shall be determined by FES. These notes are based on the Directorate General of Shipping Syllabus for the three month pre sea course for deck cadets Furthermore, intentions for using duct smoke detectors should not be a substitute for area smoke detectors. October 2020 NFPA 90a Duct Smoke Detector Requirements. The detector should sound an alarm if it is working properly. Cambridge Air Solutions | HVAC Technical Blog Description. by High Performance HVAC | Duct Work | 4 comments. And, finally, when is a remote test station required? It spreads smoke that can harm theoccupants of the facility where it is located. 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. 15 19 14 3 20 2 11 2 6 Alarm Signal 1 Aux. First, it will send an alarm to alert the facility operator and maintenance staff. Many international projects under NFPA 5000 or . Duct Smoke Detectors - Are You Protected? | Buildings TSM-1 - Duct Detector Test Switch - Industry Mall - Siemens Clear Folder Your email address will not be published. In air supply systems with a capacity greater than 2000 CFM's downstream of the air filters and upstream of any branch ducts. Ive had this question asked of me several times. Last week we explored when duct-detectors are required under the International Mechanical Code (IMC). Let's look at the requirements in two of the prominent codes and standards. PDF InStallatIon anD maIntenanCe InStruCtIonS - Johnson Controls Copyright 1998-2023 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. Click the image to the right for purchase options of the UV light to protect your family. A01PC4 Apem modular switch contact block APEM 50021169 - Operating Temperature Range (): -20+55, suitable crimping terminal: A01 series, RoHS directive (corresponding to 10 substances): Correspondence, Switch Operation: DP Some can also be interconnected to other duct detectors. Fire Alarm Current requirements: Included in controller specification LED circuit ratings Voltage: 3 Vdc, max. As the title says, I have some questions about the fire alarm side of duct smoke detectors. Made in United States. The PAD100-DRTS module does not require an SLC loop address. Nor should it serve as an early warning detection system. 1. Remote Test Stations Labor-saving Remote Test/Reset stations provide alarm testing from the convenience of a remote location. Always read the manufacturers instructions, guidelines, and recommendations when installing and testing smoke detectors in the ductwork. Duct smoke detector maintenance requirements are not included in the NFPA standard that covers HVAC systems (NFPA 90A or 90B); however, the International Code Councils 2015 Mechanical Code does state that the standard for maintenance inspections shall be performed in accordance with the ASHRAE/ACCA/ANSI standard number 180. February 2021 *Eng-Tips's functionality depends on members receiving e-mail. Special Hazards Once connected to the fire alarm system, the rules for installation, testing, and inspecting them are covered in NFPA 72 under which compliance is required. Thats why many commercial and industrial buildings are required to have duct detector test switches installed. Duct Detectors Smoke Detection NFPA 90A Code Requirements. Oh my! JavaScript is disabled. All good questions, but I'm as confused as you are. You are using an out of date browser. You also have the option to opt-out of these cookies. Clearing the Smoke: Eliminating confusion from the use of duct smoke December 2022 You are allowed to use a remote test switch for testing duct smoke detectors to meet the requirements of NFPA 72. The detector can be reset by a momentary power inter-ruption, by the magnet . Miami, FL 33126 This will cause the detector to sound an alarm. All Products. 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. H0160-00 [7.2] Photo Detector Board 1. Join your peers on the Internet's largest technical engineering professional community.It's easy to join and it's free. Includes initial monthly payment and selected options. With key, for duct smoke detector, sold in each, System Sensor RTS151KEY remote Test and reset station with key for duct smoke detector. Joe Meyer, PE, is a Fire Protection Engineer out of St. Louis, Missouri who writes & develops resources for Fire Protection Professionals. This product requires professional installation so it will turn on and off with the blower fan in your air handler but it will offer the protection you need for you and your family from any viruses. Green indicates power as well as that the detector board is in place. An example of data being processed may be a unique identifier stored in a cookie. Our payment security system encrypts your information during transmission. The question: Where do you install duct detectors in the ductwork? 3. Products Full content visible, double tap to read brief content. Page 7: Testing Detector Alarm SUPERVISORY SIGNAL H0161-01 RESET TEST POWER (-) POWER (+) NOTE: Wiring diagram shown is for DH100ACDCLP 4-wire duct smoke detector system equipped without a control panel. This means that it up to the AHJ to decide which standard they follow. Videos, January 2023 The SL-2000 is designed and built to meet all local code requirements, as well as the NFPA and ICC standards regarding HVAC supply and return duct smoke detectors. There are two types of switches that are commonly used with duct detectors: test switches and regular switches. Factory New. It may not display this or other websites correctly. August 2020 While I am a licensed Master HVAC contractor I am not a code official but here is my answer. It features a test/reset function activated by a key, which is included in this order. Full content visible, double tap to read brief content. If you'd be interested in purchasing a set of cheatsheets, let me know by, + Getcalculators, tools, resources and articles, Duct Detector Requirements for NFPA 90A [PDF], when duct-detectors are required under the International Mechanical Code (IMC). Announcements July 2018 April 2020 Remove the duct smoke detector cover and blow out the residual aerosol smoke from the chamber and reset the duct smoke detector. Basics of Fire and Smoke Damper Installations | NFPA A01PC4 Apem modular switch contact block APEM 50021169 - Operating 3 MIN READ. REMOTE TEST, RESET, AND ALARM STATION Labor-saving Remote Test/Reset stations provide alarm testing and indication from the convenience of a remote . 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. Sign up to receive information on our latest and featured product. . Description. PDF Innovairflex 4-wire Photoelectric Duct Detector D4120 They are used to detect the presence of smoke in air ducts and trigger an alarm. May 2022 We also believe the products we link to help our site visitors find products they need to enhance or repair their HVAC equipment. Tools The biggest con of using a duct detector test switch is the cost. Keyed switch allows remote testing of the PAD100-DUCTR duct detector. This product is featured in the Potter Academy training hub. What happens when a fan motor catches fire or starts smoking before it catches on fire but continues to operate in some capacity? Gas Heating Troubleshooting and Repair Index, Duct Detectors Smoke Detection NFPA 90A Code Requirements. Likewise, a test plan can say that no duct detectors will be tested or serviced as part of the contract agreement, and that the responsibility for any required T&I will remain with the building owner. 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 . I actually lost sleep. Thanx John, we work by the same principle that the humble Ninjas live by; constant improvement. 2.5 SIGNALING DEVICES . PDF Intelligent Duct Smoke Detector - Steel Fire Equipment SuperDuct detectors feature a unique design that speeds installation and . Round Duct Mounting Reference 2098-9806, Remote Test Station (below), provides a remote red LED status indicator and a remote test key switch mounted on a single gang stainless steel plate. A. Fire & Life Safety: HVAC Duct Smoke Detector Testing November 2020 For 4-wire detectors, the System Sensor RTS451KEY features a multi-colored LED that alternates between steady green and red. PDF INSTALLATION AND MAINTENANCE INSTRUCTIONS for proper use of fire alarm Power Requirements Standby: 3.0 mA max. Reddit's International Fire Alarm Technicians Sub, Press J to jump to the feed. Shipping cost, delivery date, and order total (including tax) shown at checkout. 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. . Active and Pilot LEDs provide status of the PAD100-DUCTR detector. the detector, test the duct air velocity, temperature, and humidity to verify that it is within the operating range of the SuperDuct detector. Always follow duct detector manufacturers instructions and code for wiring. Made in United States. The PAD100-DRTS provides a supervised remote test switch for the PAD100-DUCTR duct detector. 2023 Potter Electric Signal Company, LLC. Still, 180 contains no mention of duct detectors. Following up with a Request for Information can hold the job up sometimes. Most commercial buildings are required to have a fire alarm system that is regularly tested and maintained. Duct Detector Requirements for NFPA 90A [PDF] - MeyerFire Out of stock. Factory New. October 2019 July 2017 to 1 ft; ST-50 - Sampling Tube for Ducts 3 ft to 5 ft; WP-2000 - Weather Resistant Enclosure for Duct Housing Duct Smoke Detectors, HVAC Smoke Detectors, Duct Detectors, Air - APC My interpretation of NFPA 72-23.8.5.4.6.4 is that a reset switch is required when the duct detector is not resettable from the FACP. March 2020 March 2022 November 2022 The switch is used to simulate a smoke condition in the ductwork so that the detector can be tested. July 2020 Always ensure you check the latest codes for current information. 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.. 2. April 2021 FDBZ-RTL - Remote Test Lamp for Conventional Detectors; ST-100 - Sampling Tube for Ducts 5 ft to 10 ft; AD-TGN - Test Gas Nozzle (package of 10) TSM-1 - Duct Detector Test Switch; ST-10 - Sampling Tube for Ducts 6 in. February 2020 My interpretation of NFPA 72-23.8.5.4.6.4 is that a reset switch is required when the duct detector is not resettable from the FACP. Description The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and AFC Series Addressable Fire Alarm Systems, Potter's AquaN: Nitrogen for Wet Systems, Fire Sprinkler Monitoring Training Manual, Fire Sprinkler Monitoring Training Course, Fire Sprinkler Monitoring Training Presentations. Current: 4 A, max. For a better experience, please enable JavaScript in your browser before proceeding. Keyed switch allows remote testing of the PAD100-DUCTR duct detector. In short, the answer is no duct detector test switches are not required. In labs, researchers used a spectrum of ultraviolet light called UVC to kill viruses. September 2017 If a remote reset station is needed, it simply resets the smoke detector after it has actuated. The consent submitted will only be used for data processing originating from this website. Use duct tape or other approved method to seal the aerosol smoke entry hole. When will/won't they be combined? 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. The test switch doesn't test the duct detector per NFPA 72 Table 14.4.2.2(g), so it is just supplemental. This item can be returned in its original condition for a full refund or replacement within 30 days of receipt. SuperDuct is a slim feature-rich alternative to bulky duct smoke detectors. +1 (855) 500-6857 Where are these required? The PAD300-DUCT is designed and built to meet all local requirements, as well as the NFPA regulations regarding duct smoke detectors . 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. To ensure reliability, we provide supervision and monitoring of critical equipment; however, when duct detectors are required by HVAC rules, they are not required to send signals to where people are on duty to respond, unless a fire alarm evacuation system is also required for that building. Of course, everything should be tested multiple times by different authorities to ensure the proper sequence of operation. Standpipes [{"displayPrice":"$90.14","priceAmount":90.14,"currencySymbol":"$","integerValue":"90","decimalSeparator":".","fractionalValue":"14","symbolPosition":"left","hasSpace":false,"showFractionalPartIfEmpty":true,"offerListingId":"nbwcQzpsRfU%2BzsbiRzhUO5QWEX8aOIUz7pabPb4hpqhP%2BxUu5ZIz4ZyNqjyOxQWsa2jJTrmmB4SJ%2FL9yJn8M0Yh0oVwqJGek0Uz6jPEAneCMe7Tav1%2BYVV0%2FcPC5P8mFCGX1ZU50uvDcz0NLHZSC5GjH%2FOEP3W7jkBUUeEcwQJX0BANOJV%2FZxJQURYDT%2BuTV","locale":"en-US","buyingOptionType":"NEW"}]. As the title says, I have some questions about the fire alarm side of duct smoke detectors. Trouble: 16.0 mA max Alarm w/o strobe: 30 mA max Alarm with strobe: 55 mA max Connections: Strip terminal, 14 AWG to 22 AWG wire Wiring Distance: 1000 Feet From Duct Smoke Detector Sounder: 85 dBA at ten feet Temperature: 14F to 140F (-10C to 60C) Humidity: 95% relative humidity; non-condensing September 2021 Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. 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. Please check your own individual states adopted language for clarification. Already a Member? July 2019 May 2021 As with our duct smoke detectors, all duct smoke detectors accessories are UL listed. Audible and visual alarm indicators, remote status indicators and remote reset/test switches can be accommodated by the Firex Duct units by connecting to the D.C. voltage output terminals 16 to 20 (see page 6 for details). In those cases we would monitor the dry contacts on the duct detector to cause an alarm or supervisory condition at the main FACP but a reset of the FACP will not reset the duct detector in alarm. I could really use some clarifications on a couple things, so if anyone is able to help, I would really appreciate it. With the weather-tight capabilities of the RT-3000, the small footprint of an HS-100, and the contractor favorite of the SL-2000, there is an APC detector for every situation. These duct detectors need to be tested on an annual basis by performing what is called a smoke entry test. While a simple difference, blow-through units provide multiple benefits for large . WIRING DIAGRAM FOR RTS151KEY(A) TO DH100ACDC 4-WIRE DUCT SMOKE DETECTOR: FIGURE 6. TEST RESET fIGure 1. rtS151 remote teSt StatIon: fIGure 2. Turning the test switch to "TEST" will initiate an alarm and allow the resulting system responses to be verified. By joining you are opting in to receive e-mail. PDF I56-3381-002 rTS2, rTS2-aOS, aOS multi-Signaling accessory - Kele Eligible for Return, Refund or Replacement within 30 days of receipt. True False Correct Answer: False . Preface for the NFPA 90A requirements for duct detectors in air conditioning and heating equipment. Every combination of Visual and Audible notification for Duct Smoke Detectors with Key Security or Magnet Remote Testing ability. NFPA 72-2013 & 2016 17.4.7 where "detectors more than 10ft above finished floor or in arrangements where the detector's alarm or supervisory indicator is not visible to responding personnel, the detectors shall be provided with remote alarm or supervisory indication in a location acceptable to the authority having . Lastly, the goal is to detect smoke, shut off the fans, and send out an alarm. In my July issue column, End of Line: Beginning of a Problem? (see www.securityinfowatch.com/12346509), I quoted a section titled, Violation of Duties giving credit to the IBC, when in fact it was from my own states soon-to-be-adopted Ohio Building Code Section 104.4. Duct Smoke Detectors/Alarms and the Code - HVAC School