There are two types of switches that are commonly used with duct detectors: test switches and regular switches. 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 . My understanding is that a reset switch is used to reset (or "clear") a duct a detector after it has been activated. Since HVAC systems do not fall under strict life-safety requirements, the duct detectors only become part of the fire alarm system due to their interconnection, and thus fall under the fire alarm rules and standards for ongoing testing and maintenance. The test temperature shall not fall below 250F (121C). July 2020 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. Gas Detector Problems and Troubleshooting. These links will lead to you purchase a product from another company. August 2021 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. 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 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. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Google Maps Location. Also, for 2-wire detectors, the LED will show red for alarm. The detector shall operate at air velocities up to 3000 feet per minute. Click the image to the right for purchase options of the UV light to protect your family. Rather than a RTS I should have listed a Remote indicator switch. If one senses smoke, the rest will switch their relays, with the triggered detector reporting to the fire alarm panel so the source can be pinpointed. Thanx John, we work by the same principle that the humble Ninjas live by; constant improvement. 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. installed. Click on the icon next to document links to add them to the download folder. Necessary cookies are absolutely essential for the website to function properly. PE Exam Clear Folder Specifications. Every combination of Visual and Audible notification for Duct Smoke Detectors with Key Security or Magnet Remote Testing ability. Switch ratings (SD-TRM) Voltage: 200 Vdc, max. Resources. They are not required for the operation of the detector, but they may be used to verify that the detector is working properly. Duct Detector Requirements for NFPA 90A [PDF] 2/5/2020. RTS151 REMOTE TEST STATION: FIGURE 2. It features a test/reset function activated by a key, which is included in this order. 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. Do you agree with that? I'm wondering when they are required by code. Last week we explored when duct-detectors are required under the International Mechanical Code (IMC). We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. By law, all buildings with HVAC systems must have a way to test the system to make sure it is working properly. ${cardName} not available for the seller you chose. Thanx for the shout out for the grammar error.we appreciate it. Wiring Diagrams for Duct Smoke Detectors | Duct Detectors Smoke Detection NFPA 90A Code, Conclusion Duct Detectors Smoke Detection NFPA 90A Code Requirements, UVC Light to Kill Viruses and Other Airborne Harmful Things that Affect Health, NFPA 90a: Standard for the Installation of Air-Conditioning and Ventilating Systems, Duct Detectors Smoke Detection NFPA 90A Code Requirements. 2023 Endeavor Business Media, LLC. A smoke duct detector on the supply side will do two things provided it is wired and controlled properly. The PAD100-DRTS provides a supervised remote test switch for the PAD100-DUCTR duct detector. approved materials in accordance with Section 603 and the duct penetrating the wall complies with all of the following requirements: 3.1. Current: 30 mA, max. March 2021 For a better experience, please enable JavaScript in your browser before proceeding. Click Here to join Eng-Tips and talk with other members! April 2018 Please check your own individual states adopted language for clarification. Ive seen bearings seize up and belts spew out smoke until they eventually fail and break. 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). To get started, click a course below or to learn more about Potter Academy, click here. [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. April 2021 Alarm Bells: NFPA 72G; electric [vibrating,] [single stroke,] [8] [10] [ ] inch bell with Is this correct? There was a problem adding this item to Cart. Return air smoke detectors are not required when there is a protection of the space served by a system of area smoke detectors. September 2016 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. 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. All our duct smoke detectors support photoelectric detector heads. 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. These terminals are not supervised and the The switch is turned on when the system is being tested and turned off when the test is complete. Fire Events This website uses cookies to improve your experience. SD505 Duct Smoke Detector Remote Test Switch; UTK Remote Probe; Sight Glass with Condensation Drain; ABS Sampling Pipe; Smoke and Heat Detector Test Kit; CO Sensor; No Entry Film; SOLO Universal Detector Removal Tool; Steel Pipe Type R2525-St; STGD Ring Nut; Scorpion Head Unit Kit SCORP 2001; September 2017 Thanks for viewing and enjoy!Follow me on twitter!https://twitter.com/SER_Safetyinstagram:s.e.r._safetyThanks! I actually lost sleep. August 2020 REMOTE TEST, RESET, AND ALARM STATION Labor-saving Remote Test/Reset stations provide alarm testing and indication from the convenience of a remote . Depending on how the controls are set up will depend on which contacts you use. Flammable & Combustible Liquids The switch is used to simulate a smoke condition in the ductwork so that the detector can be tested. When do Duct Detectors require a RTS remote test? The code details why smoke detectors are required along with the intentions of installing duct smoke detectors inside the ductwork to comply with code requirements. Shipping cost, delivery date, and order total (including tax) shown at checkout. Some questions regarding duct detector remote test stations, reset switches, and code requirements.. . . I know that there is a difference - but are these devices typically combined into a single device? Duct Detectors Smoke Detection - NFPA 90A Code Requirements, Resource: The Fundamentals of HVAC Direct Digital Control. In the meantime, smoke is being spread throughout the supply side and into the facility where people occupy the rooms. Brief content visible, double tap to read full content. WIRING DIAGRAM FOR RTS151KEY(A) TO DH100ACDC 4-WIRE DUCT SMOKE DETECTOR: FIGURE 6. 2. Thanks. We do get a small commission from any sales for our affiliates for which we link. Most commercial buildings are required to have a fire alarm system that is regularly tested and maintained. And, finally, when is a remote test station required? 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 These cookies will be stored in your browser only with your consent. . And especially for the installation of air conditioning and heating equipment and components required by code. Brand: Viking FireAlarm.com Part #: 84240 Manufacturer Part #: 23878AE. Many international projects under NFPA 5000 or . June 2018 Full content visible, double tap to read brief content. However, there are some pros and cons to using duct detector test switches that should be considered before making a decision. October 2017 I would say it is operator preference. For 4-wire detectors, the System Sensor RTS451KEY features a multi-colored LED that alternates between steady green and red. Switch ratings (SD-TRK) Voltage: 125 Vdc, max. These cookies do not store any personal information. How to install a duct detector test switch? Tools 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. 3 MIN READ. March 2020 . The Potter Electric PAD300-DUCT duct smoke detector provides early detection of smoke and products of combustion present in air moving through HVAC ducts in commercial, industrial and residential applications. Already a Member? Feb 5, 2014 #3 I'm not aware of any potential ADA requirements for the operation of a test switch. Available as single-gang controllers or with a second-gang. Joe Meyer, PE, is a Fire Protection Engineer out of St. Louis, Missouri who writes & develops resources for Fire Protection Professionals. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. To test the detector, simply press . It is required in the NFPA 90A but not in the Mechanical Code. We accept improvement in any form including via grammar Nazi)))! 14 Fire Safety Consultants, Inc. 27 Fire Alarm System - Testing 14.4 - Testing 14.4.1.2 - Reacceptance Testing Changes to site-specific software require: 100% test of all functions known to be affected by the change Additionally, 10% of initiating devices that are not directly affected by the change (up to 50 devices) shall be tested to verify correct system operation We and our partners use cookies to Store and/or access information on a device. Refer to the detector installation instructions for additional information. November 2020 October 2022 WIRING DIAGRAM FOR RTS151 TO D4120 4-WIRE DUCT SMOKE DETECTOR: RTS151 Remote Test Station This ACP remote alarm is hardwired to the duct smoke detector and has three LED lights for various notifications: green for pilot, red for alarm, and yellow for fault/trouble alerts. December 2019 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. Close this window and log in. Fire Suppression Sometimes the duct smoke detector is pre-wired into the HVAC unit. I was completely horrified regarding compliment used where complement was appropriate. But are these test switches really necessary? These notes are based on the Directorate General of Shipping Syllabus for the three month pre sea course for deck cadets * A common Remote reset switch will reset all detectors. Current: 4 A, max. In air supply systems with a capacity greater than 2000 CFM's downstream of the air filters and upstream of any branch ducts. To test the duct detector, the user simply needs to activate the test switch. 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. When will/won't they be combined? Signaling devices shall include: 1. Add up to 15 documents and download to a single zip file. The test switch is usually located on the outside of the detector, near the bottom.