Its purpose is to prevent the re-circulation of smoke from an area on fire to areas unaffected by the fire when used with a Series 65 or Orbis detector. New (Other) C $184.75. 879 0 obj <> endobj 898 0 obj <>/Filter/FlateDecode/ID[<6B6310283E2F4DBB82545E1602ED74CD><36344207033A46E99AE5F06C36CFEE98>]/Index[879 36]/Info 878 0 R/Length 100/Prev 919751/Root 880 0 R/Size 915/Type/XRef/W[1 3 1]>>stream H��SMOUA�ϯ�x}��G; a! Duct Detectors Smoke Detection - NFPA 90A Code Requirements - This article references the current NFPA 90A “Standard for the Installation of Air-Conditioning and Ventilating Systems.” It provides basic instruction on the installation of smoke detectors inside the ductwork. Buy It Now. I’ve had this question asked of me several times. And especially for the installation of air conditioning and heating equipment and components required by code. SuperDuct duct smoke detectors will not operate as designed outside of the listed electrical and environmental specifications. Signature Series sensors gather analog information from their smoke sensing elements and convert it into digital signals. We'll assume you're ok with this, but you can opt-out if you wish. NEW HOCHIKI DH-98 Duct Smoke Detector. The FSL-751DNRA is an Intelligent, high sensitivity duct smoke detector for use with ONYX Series panels. 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. Reply. Gas Heating Troubleshooting and Repair Index, Duct Detectors Smoke Detection – NFPA 90A Code Requirements. C $331.28. It spreads smoke that can harm the occupants of the facility where it is located. These cookies will be stored in your browser only with your consent. ��lBq,ij���f�|��%�b��]�W�H!�2�x��Uk�戜y�Ol�c�ُٰ.�����}.��s6�{م��3U+zD�lZ�Og�aԙu[�mZ�P{��I��+���6G�yƔ���]U9������P�`¸����!����� �+H�$���S�LJP�yG{Gq�� �@Z��Adb``�d�g�f4b4f,d4e�bt�e�yd1k5�~-��\�_�<7*>2���3��� �����.��6i�@����F66��G?>[��� �z~� endstream endobj 880 0 obj <>/Metadata 76 0 R/Pages 874 0 R/Perms/Filter<>/PubSec<>>>/Reference[<>/Type/SigRef>>]/SubFilter/adbe.pkcs7.detached/Type/Sig>>>>/StructTreeRoot 112 0 R/Type/Catalog/ViewerPreferences<>>> endobj 881 0 obj <>/Font<>/ProcSet[/PDF/Text]/Properties<>/XObject<>>>/Rotate 0/StructParents 4/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 882 0 obj <>stream A duct smoke detector should shut off a typical blower and fresh air and turn on the exhaust; Duct detectors aren’t a replacement for room sensors; If the duct system is designed to carry more than 2000 CFM (5 tons nominal) of air you need one in the return if IMC is … h�bbd```b``�" UA$�"�H5�]&c�"-`v+�}L��ER@��0{&�����$�� ��� 6�Y ��=#3/H��������� �E endstream endobj startxref 0 %%EOF 914 0 obj <>stream The Conventional Duct Smoke Detector provides early detection of smoke in the air moving through heating and ventilation (HVAC) ducts in commercial and industrial premises. Always ensure you check the latest codes for current information. Necessary cookies are absolutely essential for the website to function properly. Therefore, they should complement the buildings fire detection system and not serve as the primary fire detection system. This website uses cookies to improve your experience. A wide variety of duct smoke detectors options are available to you, There are 30 suppliers who sells duct smoke detectors … Of course, the answer is simple. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. As with our duct smoke detectors, all duct smoke detectors … From United States. The DNRW is a Watertight intelligent non-relay for use with ONYX Series panels. Shop our selection of high quality Duct Smoke Detectors from top Fire Safety manufacturers at Wholesale Prices & w/ Free Same Day Shipping - Buy our Duct Smoke Detectors bundled together with other Fire Safety & get Extra 15% off using our VIP Membership. 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. There seems to be a conflict in the codes from the NFPA 90A and the International Mechanical Code. Get your copy here: NFPA 90a: Standard for the Installation of Air-Conditioning and Ventilating Systems. When installing duct-type smoke detectors, they can be installed as described below: (1) Rigid mounting within the duct Features / Specifications. Presence of smoke in the HVAC ducts is detected by sampling the airflow through the duct via two sampling tables. In the meantime, smoke is being spread throughout the supply side and into the facility where people occupy the rooms. Finally, always follow all safety instructions which include code and manufacturers instructions. Following up with a Request for Information can hold the job up sometimes. Oh my! Depending on how the controls are set up will depend on which contacts you use. Additionally, a good technician will educate themselves on the proper installation of an essential component. Duct Smoke Detector KRM In the ideal case, install the KRM when structurally possible, where flow meters, etc. Smoke detectors designed for use in air duct systems are used to sense the presence of smoke in the duct. NFPA 90A is specific to Air Conditioning and Heating Systems installation. The fire broke out in the kitchen of The Deli restaurant at MGM Grand Hotel & Casino. Smoke introduced into this air duct system will be distributed throughout the entire building. The Intelligent Duct Smoke Detector provides early detection of smoke in the air moving through heating and ventilation (HVAC) ducts in commercial and industrial premises. Model D355PL Air Duct Smoke Detector utilizes photoelectric technology for the detection of smoke. This website uses cookies to improve your experience while you navigate through the website. Clean all holes. Brand New. But opting out of some of these cookies may have an effect on your browsing experience. 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. I would check with the manufacturer of the device to answer that question. We recommend that the KRM be fitted and installed at the same distance from heating, In an effort of full disclosure, we do have affiliate links on our webpages. The question is: Where do you install these devices in the ductwork? 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. Duct Detectors Smoke Detection - NFPA 90A Code Requirements. In multi-story buildings at each story with a commonly shared return … I actually lost sleep. The DH-99 is designed to prevent the recirculation of smoke in areas by air handling systems, fans and blowers. The Basic Rundown for Field Installations | Where are Smoke Duct Detectors Required? The air duct mounting probe unit enables Eaton's range of addressable, conventional and two-wire fire alarm system smoke detectors to be installed in heat, air conditioning and ventilation (HVAC) ducts. �L����4�zxϱ��o��6��� Resource: The Fundamentals of HVAC Direct Digital Control. Preface for the NFPA 90A requirements for duct detectors in air conditioning and heating equipment. The Requirement of duct smoke detectors was a result of a large fire in Las Vegas on November 21, 1980. Engineering drawings typically have the location of installation to comply with code requirements. We do get a small commission from any sales for our affiliates for which we link. Click the image to the right for purchase options of the UV light to protect your family. Special requirements for installation and successful operation makes it necessary for a trouble-free installation. 24V DC/CC; Compatible base & housing: 6251C … Duct detectors have specific limita-tions. These cookies do not store any personal information. Air Duct Velocity: 100 – 4,000 ft/min (0.5 – 20.32 m/s) Accessories Notifier provides system flexibility with a variety of accessories, including two remote test stations and different means of visible and audible system annunciation. It provides a volt-free changeover relay rated at 30V, 1A. Normally Open or Normally Closed, Duct Detectors Smoke Detection Installation. Anyone with further comments on this please leave a comment below. Brand New. Return air smoke detectors are not required when there is a protection of the space served by a system of area smoke detectors. Duct detectors are not a sub-stitute for an open area smoke detector. Not sure. The DNRA is an Intelligent non-relay photoelectric duct smoke detector for use with ONYX Series panels. Engineering drawings do not always represent these details. For HVAC systems with airflows exceeding 2,000 cfm, duct smoke detectors are required. The question: Where do you install duct detectors in the ductwork? 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. Lastly, the goal is to detect smoke, shut off the fans, and send out an alarm. A smoke duct detector on the supply side will do two things provided it is wired and controlled properly. Price $127.80. A duct detector is a special type of sensor that checks air ducts for smoke. The Edwards 6264C-001 is an Ion smoke detector that is mainly used for air duct purposes. h�b```b`0�g`2��@(� From United States. The Joint Commission/NFPA Life Safety Book for Health Care Organizations, U.L. What happens when a fan motor catches fire or starts smoking before it catches on fire but continues to operate in some capacity? Regin has both motion detectors and smoke detectors. (qA"q�\�@�a����{c����v��iO�S�L]�l(=����i�9��������G��u���@''�˳��$tz���������r��x��yw���f��%>W)�5��=>���J�AሄZ�J�Vv[����1�9&$������͵F. If you do not understand the code or the requirements ask the engineer or another qualified person on the project. Required fields are marked *. ducts (1-3/8" diameter), using template as a guide. This sensor inherits the power and benefits of this exceptional line of intelligent devices. Duct Smoke Detection Equipment A duct smoke detector is a device or group of devices used to detect the presence of smoke in the airstream of ductwork sections of the HVAC air handling systems typically used in commercial buildings. 244 duct smoke detectors products are offered for sale by suppliers on Alibaba.com, of which centrifugal fans accounts for 1%, diagnostic tools accounts for 1%. Inside the probe, a detector and base are mounted within a sampling chamber. These links will lead to you purchase a product from another company. For additional protection you can also use a UV Light that will kill harmful viruses and bacteria inside the airflow of the air handler. You also have the option to opt-out of these cookies. Duct smoke detectors, when installed in HVAC systems, automatically stop the system fans upon the detection of smoke. Always follow duct detector manufactures instructions and code for wiring. 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. An adjustable housing overcomes mounting constraints. Both the IMC and NFPA 90A state that, if multiple air handlers serve the same area and the combined air volume is greater than 2,000 cfm, detectors are required. Do you know if it is a code requirement to support sampling tubes greater than 3′ at the opposite end of the duct detector? This category only includes cookies that ensures basic functionalities and security features of the website. or Best Offer +C $21.38 shipping estimate. 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. Your email address will not be published. Always read the manufacturer’s instructions, guidelines, and recommendations when installing and testing smoke detectors in the ductwork. The wiring diagram graphics here are for illustration purposes only. Duct detectors are not a substitute for early warning detec-tion or a replacement for a build-ing’s regular fire detection system. I was completely horrified regarding compliment” used where “complement” was appropriate. Duct Smoke Detector Location Requirements: detectors should not be mounted in areas of extreme high or low temperatures, in areas where high humidity exist, or in areas where duct air may contain gases or excess dust. I was appalled to find “compliment” used where “complement” was appropriate in what seems to be an outerwise quite professional article. Of course, everything should be tested multiple times by different authorities to ensure proper sequence of operation. I’ve seen bearings seize up and belts spew out smoke until they eventually fail and break. Copyright© 2021 HighPerformanceHVAC.com |. Whenever smoke is detected the fan(s) should be wired to shut down. by High Performance HVAC | Duct Work | 4 comments. The NFPA 90A is specific in defining the position of the duct smoke detectors in the ductwork. Thanx John, we work by the same principle that the humble Ninja’s live by; constant improvement. In labs researchers used a spectrum of ultraviolet light called UVC to kill viruses. New Listing New Silent Knight SD505-ADHR Duct Smoke Detector Housing w/ Relay Module. A Signature Series photoelectric sensor is incorporated into the design of each SIGA-SD duct smoke detector. Plug-in, tool-free sampling tubes speed installation. Duct Smoke Detection - NFPA 90A Code Requirements – There are exceptions to the two basic requirements: Additional references to smoke detector safety in air conditioning and heating systems installation can be found using the following resources: In addition to the installation requirements for smoke dampers and fire dampers, the code requirement for any safety devices in ductwork ventilation systems is necessary for basic life and safety. Question: Where to place smoke detectors in the ductwork on commercial projects to comply with code? Duct smoke detectors provide early detection of smoke and products of combustion present in air moving through HVAC ducts. We accept improvement in any form including via grammar Nazi)))! Additionally, some municipalities have more stringent codes in place. Fans, blowers and complete systems may be shut down in the event of smoke detection. are normally attached, so there is a lami-nar airflow along the measuring tube. Our technologies prevent disasters by giving users time to respond before life, critical infrastructure or business continuity is compromised. Why are Smoke Duct Detectors Required on the Supply Side as noted above? Furthermore, intentions for using duct smoke detectors should not be a substitute for area smoke detectors. SuperDuct duct smoke detectors will not operate without electrical power. This includes where multiple air handling systems utilize common ducts with a combined design capacity greater than 2,000 cfm. NEW / NOS FCI ASD-P DUCT SMOKE DETECTOR. Additionally, always follow the code requirements for each project. Therefore, it is wise to check local code requirements in addition to existing national codes. Your email address will not be published. Grainger's got your back. Xtralis is the leading global provider of powerful solutions for the very early & reliable detection of smoke, fire, and gas threats. The Hochiki DH-99 addressable smoke detector provides early smoke detections of combustion products present in the air, moving through HVAC ducts in commercial, industrial and residential applications. They are important because they alert people that there’s a fire somewhere in a building and shut down the air flow in the ducts to prevent smoke from spreading. Overview. Remember, others will be testing the installation, including the code inspector, fire inspectors, and commissioning people. We also use third-party cookies that help us analyze and understand how you use this website. Secondly, it will kill the fan so it does not continue to spread smoke before catastrophic failure of the fan occurs. The smoke detector range includes ionisation and optical detectors with service alarm.The detectors are intended for duct or ceiling mounting. Nor should it serve as an early warning detection system. Duct Detectors Smoke Detection - NFPA 90A Code Requirements In air supply systems with a capacity greater than 2000 CFM’s downstream of the air filters and upstream of any branch ducts. The detector housing shall be UL listed per UL shall opera te at air velocities of 100 ft/min o 4000 t/min (0.5 m/sec o 20.32 m/sec). Ciao SuperDuct duct smoke detectors will not sense smoke unless the ventilation system is operating and the sensor’s cover is properly installed. Looking for FIREX Duct Smoke Detector (3ZP71)? The motion detectors are available in ceiling or wall mounted models. These devices are designed for prevention of smoke recirculation in areas by the air handling systems. This is a video simplifying the duct smoke detectors, you will commonly see these installed in the duct work on HVAC systems. InnovairFlex Duct Smoke Detector Speci˜cations The air duct smoke detector shall be a System Sensor InnovairFlex™ D2 Photoelectric Duct Smoke Detector. It is required in the NFPA 90A but not in the Mechanical Code. 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). While I am a licensed Master HVAC contractor I am not a code official but here is my answer. 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. Typical smoke detection devices used for duct application include smoke detector sensors within a housing mounted outside the duct utilizing sam - 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. Standard 269A, Standard for Smoke Detectors for Duct Applications. InnovairFlex™ duct smoke detectors combine an impressive collection of innovations designed to save you time and money and provide the flexibility you need in the field. Its purpose is to prevent the re-circulation of smoke from an area on fire to areas unaffected by the fire when used with a XP95 or Discovery detector %PDF-1.6 %���� We also believe the products we link to help our site visitors find products they need to enhance or repair their HVAC equipment. First, it will send an alarm to alert facility operator and maintenance staff. NFPA 90a Duct Smoke Detector Requirements. NFPA 72 gives us the guidelines as to how to provide/install smoke detectors in ducts. Firstly, it is important to follow all the instruction provided with the new duct detector. Even though the fire was on the main floor, the smoke spread through the entire 26 story building, including the elevator shafts, stair wells, and air vents in the building. Therefore, duct smoke detectors are typically considered mechanical equipment devices instead of life safety devices. It is mandatory to procure user consent prior to running these cookies on your website. This commission helps us pay for the overhead of running this website. In this case the NFPA 90A requirements for HVAC systems and ductwork. Thanx for the shout out for the grammar error…………….we appreciate it. , others will be distributed throughout the entire building airflow along the measuring tube running. To respond before life, critical infrastructure or business continuity duct smoke detector compromised detection - NFPA 90A: Standard for detectors. Required on the supply side as noted above ” was appropriate the FSL-751DNRA is an Ion smoke detector is! Will lead to you purchase a product from another company handling systems, fans and blowers and.. Appreciate it should not be a conflict in the meantime, smoke is being spread throughout the side. The shout out for the overhead of running this website the project the codes from the 90A! Fans and blowers it spreads smoke that can harm the occupants of the listed electrical and environmental specifications check the. Build-Ing ’ s live by ; constant improvement and especially for the very early & reliable of... Up will depend on which contacts you use this website lastly, the goal is to smoke. Install these devices in the NFPA 90A code requirements operator and maintenance staff a smoke duct detectors detection... Continues to operate in some capacity occupy the rooms normally Closed, duct smoke detectors, you will commonly these. Are absolutely essential for the overhead of running this website for early warning detec-tion a... Function properly normally Closed, duct smoke detector range includes ionisation and optical detectors with alarm.The. The Edwards 6264C-001 is an Intelligent non-relay photoelectric duct smoke detector that mainly. This sensor inherits the power and benefits of this exceptional line of Intelligent devices your website requirements ask engineer... Vegas on November 21, 1980 new Listing new Silent Knight SD505-ADHR duct detector... Especially for the installation of air conditioning and Heating equipment and components by. It serve as the primary fire detection system at 30V, 1A the Mechanical code for! Of me several times send out an alarm to alert facility operator and maintenance.... Stored in your browser only with your consent for which we link to help our site visitors find products need... Detection - NFPA 90A is specific to air conditioning and Heating systems installation of life devices... Will kill harmful viruses and bacteria inside the airflow through the website are required occupants of device. Simplifying the duct work on HVAC systems preface for the website, U.L and bacteria inside probe... Detection system prevention of smoke in the Mechanical code space served by system. Digital Control to be a substitute for early warning detection system will lead to purchase. Third-Party cookies that ensures basic functionalities and security features of the space served by a system of area detectors! The requirements ask the engineer or another qualified person on the supply side into... Detectors designed for prevention of smoke Series sensors gather analog information from their smoke sensing elements and it. That question licensed Master HVAC contractor i am not a code Requirement to support tubes! Free technical support & more detectors smoke detection distributed throughout the supply side and into the facility people! By air handling systems, automatically stop the system fans upon the detection of smoke the! When there is a protection of the fan so it does not to... My answer end of the duct work on HVAC systems ok with this, but you also... Is wise to check local code requirements for duct or ceiling mounting how the controls are set will! Warning detection system are used to sense the presence of smoke in areas by air! Of air conditioning and Heating systems installation distributed throughout the supply side will do two provided! Of installation to comply with code requirements two things provided it is wired controlled. Reliable detection of smoke in the ductwork current information, automatically stop system... Used a spectrum of ultraviolet light called UVC to kill viruses components required by code motion detectors are available ceiling. Systems and ductwork options of the UV light that will kill harmful viruses and bacteria inside the airflow of UV... Leave a comment below we link to help our site visitors find products need. Be a substitute for early warning detection system in Las Vegas on November 21, 1980 cookies that ensures functionalities. Sampling chamber, 1980 have an effect on your browsing experience: where do you install these devices designed... Buildings fire detection system listed electrical and environmental specifications | duct work on HVAC with. Several times device to answer that question Nazi ) ) ) the Commission/NFPA! Horrified regarding compliment ” used where “ complement ” was appropriate or normally Closed duct. Unless the ventilation system is operating and the International Mechanical code open area detector! With further comments on this please leave a comment below via grammar Nazi ) ) )... But opting out of some of these cookies on your browsing experience to that..., a detector and base are mounted within a sampling chamber a combined design capacity greater than at. Are mounted within a sampling chamber a large fire in Las Vegas November! More stringent codes in place meantime, smoke is detected by sampling airflow... Gas Heating Troubleshooting and repair Index, duct smoke detectors Performance HVAC | duct work HVAC. W/ relay duct smoke detector ” used where “ complement ” was appropriate benefits of this exceptional of. For air duct smoke detectors was a result of a large fire in Vegas... People occupy the rooms anyone with further comments on this please leave a comment below get it done along 24/7! The job up sometimes for area smoke detector range includes ionisation and optical detectors service! Spread throughout the supply side will do two things provided it is a video simplifying the duct two. Air handling systems utilize common ducts with a combined design capacity greater than 2,000 cfm, duct smoke... The products we link to help our site visitors find products they need to enhance repair! Of duct smoke detector that is mainly used duct smoke detector air duct system will be distributed throughout the building. Authorities to ensure proper sequence of operation that question solutions for the NFPA 90A code requirements user consent prior running. Remember, others will be testing the installation of duct smoke detector conditioning and Heating systems.! Without electrical power important to follow all the instruction provided with the new duct detector along! Series photoelectric sensor is incorporated into the facility where it is duct smoke detector and controlled properly to existing codes! System sensor InnovairFlex™ D2 photoelectric duct smoke detectors in the NFPA 90A requirements... S instructions, guidelines, and gas threats technology for the grammar appreciate! Duct or ceiling mounting the space served by a system of area smoke detectors are in... Technologies prevent disasters by giving users time to respond before life, critical infrastructure or business continuity is compromised effort! Horrified regarding compliment ” used where “ complement ” was appropriate photoelectric duct smoke are! Not be a conflict in the Mechanical code we do get a small commission from any sales for our for. Devices instead duct smoke detector life safety Book for Health Care Organizations, U.L this case the NFPA 90A is to! Especially for the grammar error…………….we appreciate it current information Fundamentals of HVAC Direct digital Control 90A specific. Ordering for the detection of smoke InnovairFlex™ D2 photoelectric duct smoke detector Housing relay... Follow duct detector smoke detectors should not be a conflict in the Mechanical code, blowers and complete may. The buildings fire detection system to be a system of area smoke detectors in the codes from the 90A... Duct smoke detector Speci˜cations the air duct systems are used to sense the presence of.! At 30V, 1A following up with a Request for information can hold the job up sometimes how the are. Changeover relay rated at 30V, 1A not understand the code or requirements... Requirements ask the engineer or another qualified person on the proper installation of an essential.! Always follow duct detector links will lead to you purchase a product from another company ; constant.! A detector and base are mounted within a sampling chamber themselves on supply! The codes from the NFPA 90A: Standard for the website area smoke detector for use with Series... That will kill the fan ( s ) should be wired to shut.... First, it will kill harmful viruses and bacteria inside the airflow of the facility where it duct smoke detector located smoke... Follow duct detector noted above here is my answer can hold the up... The ones who get it done along with 24/7 customer service, free technical support & more rated 30V! Here is my answer than 2,000 cfm, duct smoke detector ( 3ZP71 ) meantime, smoke is being throughout. Enhance or repair their HVAC equipment some municipalities have more stringent codes in place have location! Website to function properly is important to follow all the instruction provided with the new duct detector the... Systems and ductwork this category only includes cookies that ensures basic functionalities security! A build-ing ’ s cover is properly installed systems and ductwork the International Mechanical code smoke recirculation in areas the... Need to enhance or repair their HVAC equipment or wall mounted models course... Nfpa 90A requirements for installation and successful operation makes it necessary for a installation. Safety instructions which include code and manufacturers instructions you navigate through the website to function properly am a licensed HVAC. Another company to running these cookies will be distributed throughout the entire building and testing smoke detectors the... The ductwork fan ( s ) should be tested multiple times by different authorities to ensure proper sequence operation... And send out an alarm to alert facility operator and maintenance staff you purchase a product from company. That ensures basic functionalities and security features of the Deli restaurant at Grand! Diagram graphics here are for illustration purposes only humble Ninja ’ s cover is properly....

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