Magnet . SuperDuct detectors feature a unique design that speeds installation and . 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. Product Information: When do Duct Detectors require that a RTS? The switch is turned on when the system is being tested and turned off when the test is complete. Additionally, some municipalities have more stringent codes in place. And, finally, when is a remote test station required? Duct detector test switches: what are they and do you need them? Site Updates Full content visible, double tap to read brief content. For 4-wire detectors, the System Sensor RTS451KEY features a multi-colored LED that alternates between steady green and red. Brief content visible, double tap to read full content. They are not required for the operation of the detector, but they may be used to verify that the detector is working properly. 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. Page 1: Table Of Contents. [3] Contents of the Duct Detector Kit [4] Limitations of Duct Detectors DH400 detectors are designed to operate with 12 or 24 VDC [5] Installation Sequence UL listed compatible 2-wire control panels. Duct detector test switches are usually located near the fire alarm control panel. SuperDuct is a slim feature-rich alternative to bulky duct smoke detectors. March 2022 * A common Remote reset switch will reset all detectors. Regular switches are not required for testing, but they can be used to turn the detector on and off as needed. Rather than a RTS I should have listed a Remote indicator switch. Test Switch: 10 VA @ 32 VDC Reset Switch: 10 VA @ 32 VDC Alarm Response Time: 40 sec. For Air Conditioning and Ventilating Systems, this period is annually for automatic shutdown devices per NFPA 90A (2021) 6.4.1. MOD00861 MOD400R Test module for 100 and 400 series duct smoke detectors RES00837 A2143-10 End of line resistor SEN00917 APA451 Remote annunciator w/piezo, alarm & power led SEN00918 RA400Z Remote annunciator, 7ma, 3.1-32 VDC SEN00919 RTS451 Magnetic remote test and reset station SEN00920 RTS451 KEY Key remote test and reset station Description. Close this window and log in. The System Sensor RTS451KEY is an automatic fire detector accessory designed to test remotely located duct and beam detectors. rybbfirealarm.com@gmail.com Sometimes the duct smoke detector is pre-wired into the HVAC unit. Manufactured by System Sensor. Description The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and Remove the duct smoke detector cover and blow out the residual aerosol smoke from the chamber and reset the duct smoke detector. by High Performance HVAC | Duct Work | 4 comments. Turn the key counterclockwise to the RESET position and hold. 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. 2023 Endeavor Business Media, LLC. The duct shall not . Resources. They are not required for the operation of the detector, but they may be used to verify that the detector is working properly. Part of this maintenance is testing the function of the systems duct detectors. I've typically been specifying them for detectors that are hard to get to, like if its installed in a rooftop unit, or somewhere where an 8' ladder wouldn't reach. Not sure what prompted the question nor what's driving the need to mount it at this level. Please try again later. The duct smoke detectors latch into alarm state when alarm occurs. duct smoke detector Remote test station (rear view) 1234 12 3 4 14 13 12 11 2-wire duct . November 2020 Brand: Viking FireAlarm.com Part #: 84240 Manufacturer Part #: 23878AE. 2. Compatible with all AP-C Duct Smoke Detectors. . In this case the NFPA 90A requirements for HVAC systems and ductwork. Last week we explored when duct-detectors are required under the International Mechanical Code (IMC). Question: Where to place smoke detectors in the ductwork on commercial projects to comply with code? This item can be returned in its original condition for a full refund or replacement within 30 days of receipt. approved materials in accordance with Section 603 and the duct penetrating the wall complies with all of the following requirements: 3.1. It shall be capable of local testing via magnetic switch or remote testing using the UL listed RTC100 Remote Test Coil accessor y with the RTS151 Remote Test Station. This device is only required when the duct detector is not resettable from the FACU. Duct Detector Requirements for NFPA 90A [PDF] 2/5/2020. Temperature: -10C to 60C (14F to 140F) Humidity: 95% RH Non-condensing Max Listing: UL, FM, CE FIGURE 1. H0160-00 [7.2] Photo Detector Board 1. Specifications. MSR-50RK - Key Operated Test / Reset Function. July 2016 Our payment security system encrypts your information during transmission. This category only includes cookies that ensures basic functionalities and security features of the website. 2023 Potter Electric Signal Company, LLC. If you do not understand the code or the requirements ask the engineer or another qualified person on the project. Discover magazines for computer and electronics enthusiasts. Test switches also help ensure that your detectors are working properly. This website uses cookies to improve your experience. Description. January 2018 Is it sometimes the case that a duct detector is NOT resettable from the FACP? The Joint Commission/NFPA Life Safety Book for Health Care Organizations, U.L. This product is featured in the Potter Academy training hub. Under what circumstances will this be the case? RTS151 REMOTE TEST STATION: FIGURE 2. Course September 2018 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? 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. In case you are wondering, an accessible location is never behind locked doors or requires the use of a ladder because its installed too high on the wall or ceiling. Also, for 2-wire detectors, the LED will show red for alarm. Passive Fire Protection 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. NFPA 90A is specific to Air Conditioning and Heating Systems installation. The PAD100-DRTS module does not require an SLC loop address. On zoned systems where you have more than one Duct Detector on a zone and the duct detectors are not accessable they need an RTS. The test switch is usually located on the control panel of the fire detection system. August 2016 According to NFPA 72, 14.2.7 you must be both qualified and experienced in the arrangement and operation of any interfaced equipment and any emergency control functions that are part of the fire alarm system. Ciao They are usually red in color and have a clear cover so that they can be easily seen. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. ${cardName} not available for the seller you chose. Why are Smoke Duct Detectors Required on the Supply Side as noted above? As the title says, I have some questions about the fire alarm side of duct smoke detectors. I could really use some clarifications on a couple things, so if anyone is able to help, I would really appreciate it. Don't forget about those Remote Alarm LED indicators and key test switches. NFPA 90 states that the smoke detector should be installed in the SUPPLY after 2000 CFM, and IMC 606.2.1 says the RETURN. Thanx for the shout out for the grammar error.we appreciate it. Includes initial monthly payment and selected options. Duct detector test switches are devices that are used to test the operation of duct smoke detectors. In air supply systems with a capacity greater than 2000 CFM's downstream of the air filters and upstream of any branch ducts. For additional information on Potter Fire Alarm Systems visit ourFire Training Videos Section. There is no shame in the average/small alarm company avoiding any project with terms, for example, such as blast wall or deluge system or sprinkler system antifreeze and releasing system to name a few. 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. Active and Pilot LEDs provide status of the PAD100-DUCTR detector. This website uses cookies to improve your experience while you navigate through the website. 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. Please email him your fire & life safety questions for potential inclusion in this column atgreg@firealarm.org. Secondly, it will kill the fan so it does not continue to spread smoke before catastrophic failure of the fan occurs. This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy. JavaScript is disabled. to 1 ft; ST-50 - Sampling Tube for Ducts 3 ft to 5 ft; WP-2000 - Weather Resistant Enclosure for Duct Housing I would say it is operator preference. Duct smoke detectors work by sampling air currents in air handling equipment to determine if smoke or fumes are present. Special requirements for installation and successful operation make it necessary for a trouble-free installation. Nor should it serve as an early warning detection system. I'm wondering when they are required by code. 1. 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 . It may not display this or other websites correctly. Test switches are required in order to properly test the detector and ensure that it is functioning correctly. First, it will send an alarm to alert the facility operator and maintenance staff. Gas Heating Troubleshooting and Repair Index, Duct Detectors Smoke Detection NFPA 90A Code Requirements. Current requirements: Included in controller specification LED circuit ratings Voltage: 3 Vdc, max. Anyone with further comments on this please leave a comment below. June 2021 May 2017 Duct detectors are an important part of any fire detection system. I usually only see them when a duct detector is above a ceiling, but I don't see them 100% of the time. . February 2022 The remote reset will then reset the duct detector allowing the fire alarm system to fully reset. without a test switch, it is very difficult to properly assess whether or not a duct detector is working correctly. Sprinkler Systems This quiz is based on the 2019 NFPA 72, 2018 NFPA 90A and 2018 International Building Code (IBC). Every combination of Visual and Audible notification for Duct Smoke Detectors with Key Security or Magnet Remote Testing ability. ${cardName} unavailable for quantities greater than ${maxQuantity}. Help others learn more about this product by uploading a video! up to 18 inches in width. Products This will cause the detector to sound an alarm. November 2017 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. Full content visible, double tap to read brief content. With key, for duct smoke detector, sold in each, System Sensor RTS151KEY remote Test and reset station with key for duct smoke detector. A. August 2021 While I am a licensed Master HVAC contractor I am not a code official but here is my answer. 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. (Remote Test Switch) NFPA 72 (2002) 72-43 5.14.5.8 Please let me know if you think my interpretation is correct on th So, are duct detector test switches required? A smoke duct detector on the supply side will do two things provided it is wired and controlled properly. February 2020 AT DUCT DETECTOR METHOD #2 - TED TEST STATION FIGURE 5. Some questions regarding duct detector remote test stations, reset switches, and code requirements.. . The test shall be made in . For testing, the alarm can be enabled by a magnet activated test switch or by the optional remote test station. Copyright 2023 HighPerformanceHVAC.com |. The question: Where do you install duct detectors in the ductwork? This Air Products and Controls alarm also has a 78 db at 10 feet horn alarm. In most cases, yes. News Engineering drawings do not always represent these details. Current: 0.5 A, max. Tools This means that it up to the AHJ to decide which standard they follow. The duct smoke detectors shall be connected to a fire alarm system where a fire alarm system is required by Section 907 . 2-Wire Duct Smoke Detector - SuperDuct Series. Safety 2016 do not copy with out pe. December 2018 Manufactured by System Sensor. Duct Detectors Smoke Detection NFPA 90A Code Requirements. [{"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"}]. And, finally, when is a remote test station required? All Products. It shall be capable of local testing via magnetic switch or remote testing using the RTS151KEY(A) remote test station. PageBreak. July 2018 :DS.E.R. Duct detector test switches are intended to be used when it is necessary to test the operation of a duct detector without having to enter the space where the detector is located. 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. (2) Rigid mounting to the wall of the duct with the sensing element protruding into the duct. True False Correct Answer: False . Videos, January 2023 Some can also be interconnected to other duct detectors. 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. While a simple difference, blow-through units provide multiple benefits for large . Download All. Just got a call from the field asking if . August 2020 The System Sensor RTS451KEY is an automatic fire detector accessory designed to test remotely located duct and beam detectors. Reviewed in the United States on October 16, 2014. 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. Active and Pilot LEDs provide status of the PAD100-DUCTR detector. . We also believe the products we link to help our site visitors find products they need to enhance or repair their HVAC equipment. The detector should sound an alarm if it is working properly. I could really use some clarifications on a couple things, so if anyone is able to help, I would really appreciate it. July 2021 *Eng-Tips's functionality depends on members receiving e-mail. . 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.. max. We and our partners use cookies to Store and/or access information on a device. We dont share your credit card details with third-party sellers, and we dont sell your information to others. Green indicates power as well as that the detector board is in place. Common functions include one or all of the following: BOSCH Security Systems, Inc. * FAD-325 Installation Instructions (HA-06-184. 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. Shipping cost, delivery date, and order total (including tax) shown at checkout. First, in practice, is there a difference between a "remote test station" and a "reset switch"? Join your peers on the Internet's largest technical engineering professional community.It's easy to join and it's free. There seems to be a conflict in the codes from the NFPA 90A and the International Mechanical Code. Press question mark to learn the rest of the keyboard shortcuts, [V] Engineer NICET III, EDWARD Specialist. 3 MIN READ. Is it sometimes the case that a duct detector is NOT resettable from the FACP? Audible and visual alarm indicators, remote status indicators, and remote reset/test switches can be accommodated by the SM-501 Series duct units by connecting to DC voltage output terminals 16 through 21. June 2016 Power + Sup . Eligible for Return, Refund or Replacement within 30 days of receipt.