In a freeze trouble condition, the red LED will blink once every 10 seconds (refer to Table 1). Explore System Sensor like white papers, announcements, technical bulletins, case studies, and more. Dust covers are an effective way to limit the entry of dust into the smoke detector sensing chamber. When using the System Sensor 2W-B two wire smoke detector with a VISTA-20P or VISTA-21iP alarm control panel, you should wire the smoke detector to zone one. This includes cleaning. Gray. D initiating circuits require the use of a 2W-MOD for models 2W-B and 2WT-B. Test each detector as described in Testing. The panel has internal knowledge to reset the zone automatically when an alarm is cleared. Notify the proper authorities when the system is back in service. Notify the proper authorities when the system is back in service. A copy of this list is available from System Sensor upon request. To measure the detectors sensitivity, the i3 Series Model SENSRDR Infrared Sensitivity Reader tool (see Figure 4) should be used. This chart contains the current list of detectors and UL Listed compatible control units. Please refer to insert for the Limitations of Fire Alarm Systems and workmanship under normal use and service for a period of three years from date exclusion or limitation of incidental or consequential damages, so the above limitation SWITCH WITH A All models incorporate a state-of-the-art optical sensing chamber and an advanced microprocessor. Remove the top half of the screen/sensing chamber by lifting straight up detectors to the alarm control panel and accessory devices should be colorcoded to reduce the likelihood of wiring errors. The calculation points are in the horizontal and vertical planes in 5 degree increments per UL 1971. 0.3 sec OVAL AREA OR AT THE endstream endobj 1001 0 obj <>>>/EncryptMetadata false/Filter/Standard/Length 128/O(19[nMM\\.9rvXbp)/P -1036/R 4/StmF/StdCF/StrF/StdCF/U(bH;^Soe9ACM )/V 4>> endobj 1002 0 obj <> endobj 1003 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Rotate 0/Type/Page>> endobj 1004 0 obj <>stream for the detector to stabilize before testing. 2. System Sensor 2451 A Photo B401B / B406B / DH-400 / B110LP / B116LP A 120 System Sensor 2451TH A Photo / Therm. $5899 $69.99. reasonable protection against harmful interference in a residential installation. (See the Testing section.) Brightness sensor Mode The sensor is activated. 3. A. The 2W-B is a 2-wire, photoelectric i3 smoke detector. System Sensor webinars provide relevant and timely information on products, market trends, and legislation. System Sensor two-wire smoke detectors are marked with a compatibility identifier located on the label on the back of the product. Replace the top half of the screen/sensing chamber by aligning the arrow H\@}&&u/tc1.|UH*_7]}8s5CC)^.+Jj__}}}weqxes;,64qh{>?bxN}9_iIg]9.oM:,=nKE%ml)R.g")d6KO)\1WK%yaycN,Y`.K3{daal4{=fOW)=#=#=SoB#. electrical wiring. The mounting base installation is further simplified by. Freeze Trouble (Model 2WT-B and 4WT-B): be used in lieu of the tests specified under Testing. There are no express or implied warranties of any kind with this calculator. In wet or excessively humid areas, or next to bathrooms with showers. Photoelectric smoke detectors work with an alarm system, and when properly maintained and tested, can last for an indefinite period and do not automatically require replacement after a certain period of time like smoke alarms and CO detectors do. PipeIQ is the free all-in-one system design, configuration, and monitoring software for the System Sensor FAAST line of aspirating smoke detectors, including the new FAAST XT. breach of this or any other Warranty, expressed or implied whatsoever, even if the loss REMOVABLE Max. DIAMETER TOOL, Figure 5: Removing/Replacing Screen/Sensing Chamber Enter a zip code, select a range, and choose a Distributor type to locate the nearest Distributor. the incorporation of features compatible with drywall fasteners. are capable of generating a maintenance needed signal. List Price. Air conditioners, heaters, fans, and fresh air intakes and returns can drive smoke away from the detector. Max. To stay in the know on upcoming news and announcements, subscribe. Refer to A couple of things to note before 1. 2. NOTE: Before performing maintenance on the detector, notify the proper authorities that maintenance is being performed and the system will be temporarily out of service. This calculator uses data provided by the user to perform the calculations described in NFPA 72, which permits the use of a performance-based alternative in lieu of tables for spacing ceiling mounted audible/visible devices. Two-wire models must be used with compatible UL Listed panels only. 2. 3. Test i3 Series detectors as follows: System Sensor 2W-B Product Description: The System Sensor 2W-B is a i3-Series conventional, two-wire, photoelectric smoke detector. VIEW MODELS Beam Smoke Detection such as kitchens; in garages (vehicle exhaust); near furnaces, hot water Maintenance The i3 Series heads and bases are keyed so that a 2-wire head will only mount Alarm Verification* The drop-in ceiling tile speakers, strobes and speaker strobes offer a complete turn-key solution that offers a cleaner and faster installation, reduced labor costs and lower risk than traditional AV notification appliances. The i3 Series detectors include a tamper-resistant feature that prevents removal from the mounting base without the use of a tool. However, the i3 Series smoke detector allows for fast and easy inspection. 2-Wire i3 Detector Wired in Style D Configuration: B. Whenever an alarm is detected by the System Sensor 2W-B, the smoke detector will show a solid red LED. When used with an i3 Series compatible control panel or the i3 Series 2WMOD module (refer to installation manual D500-46-00), the 2W-B and 2WT-B to a 2-wire base, and a 4-wire head will only mount to a 4-wire base. For two-wire models Our understanding is that EASE Evac voice evacuation design software from AFMG Technologies is intended to help designers and installers save time and money on voice evacuation systems by enabling them to preplan the system to meet new intelligibility code requirements, reduce costly post-installation changes, and limit over-design. I have a DSC alarm system that my current System Sensors are connected to and would I need to do anything special when I replace the old with the new other then reset the system? System Sensor products are designed and manufactured to meet or exceed various product safety and certification requirements. System Sensor warrants its enclosed smoke detector to be free from defects in materials Have feedback about a particular System Sensor product? In or near areas where particles of combustion are normally present Explore System Sensor products including: AV Notification, Beam Smoke detection, CO detection, HVAC Smoke detection, spot smoke detection, relays, & modules. The calculated illumination is required to be at least 0.0375 lumens/ft2 at any point within the covered area. 3825 Ohio Avenue NOTE: T Two-Wire Compatibility 135F (57.2C) System Sensor 2WTA-B I3 Series 4-Wire Conventional Photoelectric and 135F Fixed Temperature Thermal Detector with Built-in Sounder, 85 dB Sounder, Form C Relay, Isolated Thermal Sensor. . manual are available from System Sensor at no charge. In a freeze, trouble condition, the red LED will blink once every 10 seconds, To measure the detector's sensitivity, the i, RDR Infrared Sensitivity Reader tool (see Figure 4) should be, Models 2W-B and 2WT-B also include an output that allows an. 4 to 158F (20 to 70C) Models 2WT-B, and 4WT-B also feature a restorable, built-in, fixed temperature, (135F) thermal detector and are also capable of sensing a freeze. spacing, placement, zoning, wiring, and special applications. 3825 Ohio Avenue Applications Guide for System Smoke Detectors, which provides detailed information on detector spacing, placement, zoning, wiring, and special applications. 1015 0 obj <>/Encrypt 1001 0 R/Filter/FlateDecode/ID[<493E40FFCF1D3F747B74E48D03207C10>]/Index[1000 51]/Info 999 0 R/Length 93/Prev 198552/Root 1002 0 R/Size 1051/Type/XRef/W[1 3 1]>>stream 46 | Microsoft VP Marcus Fontoura on Architecting Azure, the "World's Computer" 0:00 / 0:00. Follow the steps in the Tech Bulletin below to check your current firmware version and update your device firmware if needed.. System Sensor 2W-B Photoelectric i3 Smoke Detector, 2-Wire In Stock Other products from System Sensor System Sensor P4W-P Horn Strobe, White, Wall Mount, Four-Wire System Sensor PC2W Horn Strobe, White, Ceiling Mount, Two-Wire, FIRE Lettering System Sensor B210LP Detector Base, Plug-In Any advice/help would be greatly appreciated. SMOKE condition if the temperature is below 41F. Do NOT Install Detectors in the Following Areas: In or near areas where particles of combustion are normally present such as kitchens; in garages (vehicle exhaust); near furnaces, hot water heaters, or gas space heaters. And today we're going to be adding two-wire smokes to our DSC Neo system. Ensure proper wiring and power is applied. This will get the device to stop sounding. Activate the light at the display. item 6 System Sensor 2W-B i3 Series 2-wire, Photoelectric Smoke Detector. It should be straightforward if you do not need to wire the back plate. InnovairFlex duct smoke detectors combine an impressive collection of innovations to greatly simplify HVAC system monitoring. F Should Wire connections are made by stripping approximately 14-inch of insulation from the end of the feed wire, inserting it into the proper base terminal, and tightening the screw to secure the wire in place. The 2W-B should work zones 1 and 2 since they are designed for system sensor 2-wire devices. Figure 3a: Wiring Diagram, 2W-B and 2WT-B. The 2W-B smoke detector works with most Honeywell alarm control panels including the VISTA-20P and VISTA-21iP as System Sensor is a subsidiary of Honeywell. 41F (5C) Maximum Initial FCC Statement If a detector fails any of the above test methods, its wiring should be checked If the detector is in need of maintenance, because its sensitivity has shifted outside the listed limits, the red, LED blinks once every five seconds. Red. This system was used with Cox before, so no telling what all they did to it. AUX OR + 6. The 2W-B smoke detector consists of a mounting base that can be mounted on a single gang box, a three and a half or four inch octagonal box or a four inch square box with a plaster ring. NOTICE: This manual shall be left with the owner/user of this equipment. 130 Lets you hear all the different audio tones of the AV notification appliances, such as the temporal 3 and non-temporal for the electromechanical, 3.1KHz, 520Hz, as well as the chimes. into the base and lock into place with a click. View a list of all System Sensor locations worldwide. Near fresh air inlets or returns or excessively drafty areas. : Locking Pin. Table 2: Power-up Sequence for LED Status Indication*, (if excessive electrical noise is present). Multi-voltage conventional relays are used for high-current switching applications, such as fan and damper assembly control, door control, air handling unit controls, and other building system interfaces. System Sensor's product 2-wire compatibility listings are available onlinefor you to view and print out. The System Sensor 2W-B smoke detector has a sensing chamber that that will become dirty with dust over time. This chart contains the detector. After power-up has completed and the detector is functioning normally within In fact, the 2W-B is a System Sensor i3 series intelligent . for use with i3 Series compatible control panels or the i3 Series 2W-MOD module only. unreasonable use, modifications, or alterations occurring after the date of manufacture. Each i3 Series detector is supplied with a mounting base that can be mounted: 2.To a 312-inch or 4-inch octagonal box, or, 3.To a 4-inch square box with a plaster ring, or. To a 312-inch or 4-inch octagonal box, or Models: 2W-B, 2WT-B, 4W-B, 4WT-B. 0.1 Three-Year Limited Warranty 5. 2. the 2W-MOD2 installation manual, document D500-4600, for Style D wiring Diameter (including base): Visit systemsensor.com for current product information, including the latest version of this data sheet. into the test Deciding Whether to Use 2-Wire or 4-Wire Smoke Detectors. ld house alarm system. Buy the System Sensor 2WT-B here. Maximum Ripple Voltage: 30% of nominal (peak to peak), Alarm Current: 130mA max., limited by panel, Standby Current: 50 A max. 4.3 (21) $6371. All models incorporate a state-of-the-art optical sensing, chamber and an advanced microprocessor. Explore System Sensor products including: AV Notification, Beam Smoke detection, CO detection, HVAC Smoke detection, spot smoke detection, relays, & modules. Operating Humidity Range: As long as they operate at 12 Volts DC, they should work. Ready to learn more? z7$m9ymnsx.}]{~{^^}ltW? 6.3 oz. prevent a system from responding properly in the event of a fire. Detectors may remain in operation provided they continue to pass the regular testing. Peak Standby Current: NIB!! Table 2: Power-up Sequence for LED Status Indication*, (if excessive electrical noise is present), *Refer to Electrical Specifications for start-up time in conjunction with panel alarm, NOTE: If, during power-up, the detector determines there is, excessive electrical noise in the system such as those caused by, improper grounding of the system or the conduit, both LEDs will, blink for up to 4 minutes before displaying detector status (see, After power-up has completed and the detector is functioning, normally within its listed sensitivity range, the green LED blinks, once every five seconds. The conductors used to connect smoke detectors to the alarm control panel and accessory devices should be color-coded to reduce the likelihood of wiring errors. 2W-B Datasheet (PDF) - Systemsensor advanced ideas. Air conditioners, heaters, fans, and fresh air intakes and returns can drive smoke away from the detector. These calculations are described in NFPA 72 and are to be provided to the authority having jurisdiction. 1050 0 obj <>stream Figure 1: Mounting of Detector. General CLSS Tool Suite Discontinued Product Finder AV Audio Samples: AV Tones Calculator: AV Strobe Coverage Calculator: Voltage Drop Calculator: Sound Pressure Loss You'll never be more than a mouse click away from the information you need to make informed decisions about our products and their capabilities. i3 series (4 pages), I3 series. For two-wire models 2W-B and 2WT-B, connect detectors only to compatible alarm control panels as identified by System Sensor's compatibility chart. gently blow the smoke through the detector until it alarms. It will take approximately 80. seconds for the detector to finish the power-up cycle (see Table 2). PipeIQ guides users through the initial pipe layout and system configuration for a FAAST aspiration system. If the detector still fails, it should be replaced. Developed and delivered by Honeywell industry experts, HBU training employs techniques and technologies to help your teams learn everything they can about our products. The CLSS Tool Suite allows you to perform battery, voltage drop, and Db line loss calculations in a single desktop application. Do NOT Install Detectors in the Following Areas: Smoke detectors are not to be used with detector guards unless the combination has been evaluated and found suitable for that purpose. Wd]_c'F1p% Reset all the detectors at the alarm control unit. further simplified by the incorporation of features compatible with drywall 2WTA-B, or 2WTR-B) on Style D IDCs is to use a 2W-MOD2 module. visual status indication at each detector. HOTFire is a free online site that helps users quickly plan and model notification appliance circuits (NACs) using the entire line of SpectrAlert Advance and L-Series. The i3 line redefines installation ease with its plug-in design. RA400Z Remote Annunciator to be connected. No. Upload manuals that we do not have and get. The conductors used to connect smoke No Contract Alarm Monitoring starting at $10 a month! NOTE: To install units so that corresponding LEDs are lined up, refer to the See how you can simplify specification, configuration, and installation of your notification project - saving time and money in the process. Electrical Specifications 2-wire 4-wire 4-Wire Smoke Detector with 135F Fixed Heat Sensor, 2-Wire Smoke Detector with Fixed Heat Sensor, System Sensor 2W-B, 2WT-B, 4W-B & 4WT-B - Installation Guide. This device complies with part 15 of the FCC Rules. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Leave everything as is at the panel and simply replace the smoke detector itself. When the detector is in the alarm mode, the red LED latches on. Enter a zip code, select a range, and choose a Distributor type to locate the nearest Distributor. *Refer to Electrical Specifications for start-up time in conjunction with panel alarm verification. A All System Sensor i3 Series smoke detectors are designed for easy installation, advanced detection and fast inspection. The device uses photoelectric technology to detect smoke, while the fixed heat sensor activates at temperatures of 135F and higher. Fill out the form and we'll contact you shortly. System Sensor - Technical Field Bulletin Life Expectancy of System Smoke Detectors - Dated 05/2012, Limitations of Fire Alarm Systems - Dated 5/13 Rev. heads and bases are clearly identified as either 2-wire or 4-wire. Testing Improper connections can The microprocessor allows the detector to automatically adjust its Consult the dealer or an experienced radio/TV technician for help. Consult the list to locate a control module for your specific fire alarm system. MOD2 module (refer to installation manual D5 00-46-00), the 2W -B and 2WT -B. are capable of gener ating a "maintenance needed" signal. system or the conduit, both LEDs will blink for up to 4 minutes before displaying detector status (see Table 2). Green LED indicator on the base. Max. %PDF-1.6 % Once the mounting base is installed, the 2W-B smoke detector attaches to the base by simply inserting the head and turning it clockwise until it locks in place. Car & Truck Safety & Security Accessories. Blink 10 sec When the detector is in the alarm mode, the red LED latches on. Consult the list to locate a control module for your specific fire alarm system. Max. : Disable the zone or system undergoing maintenance This equipment generates, uses and can radiate radio frequency energy and, if not installed and used Certain System Sensor SWIFT AV bases have the potential to generate a premature and erroneous low battery notification. MFR PART # 2W-B SYSTEM SENSOR | 2W-B i3 Series Detector, 2-wire, 12/24 V DC, with Base MFR PART # 2W-B PART # 674092 Spec Sheet Email Print Minimum 1 Each In Stock Details References Shipping Description Installation ease. Latching Alarm: Reset by momentary power interruption Or should i plan on just running the wire directly out of the drywall? Should it become necessary, the screen/sensing chamber is field replaceable. With. Reorient or relocate the receiving antenna. Heat Sensor (Model 2WT-B and 4WT-B): 135F (57.2C) Freeze Trouble (Model 2WT-B and 4WT-B): 41F (5C) Operating Temperature Range: 2W-B and 4W-B: 32 to 120F (0 to 49C) 2WT-B and 4WT-B: 32 to 100F (0 to 37.8C) Operating Humidity Range: 0 to 95% RH non-condensing Storage Temperature Range: -4 to 158F (-20 to 70C) Diameter (including base): Installation of the 2W -B, 2WT -B, 4W -B, and 4WT -B detectors is simplified . accept any interference received, including interference that may cause undesired operation. System Sensor products are designed and manufactured to meet or exceed various product safety and certification requirements. What's the Best Place to Install a Smoke Detector. they work perfectly and make me feel much more comfortable while i am away. When the sensing chamber gets too dirty and the 2W-B is no longer calibrated to the proper sensitivity, the smoke detector will alert you with a red LED that blinks every five seconds so that you can perform the necessary maintenance. and service during the three year period commencing with the date of manufacture. of smoke detectors. Therefore, the only down firmly until the screen/sensing chamber is fully seated. 5. Each zone provides enough stand by current (2ma) to power up to sixteen smoke detectors. Department, RA #__________, 3825 Ohio Avenue, St. Charles, IL 60174. Freeze Trouble FREE delivery Sat, Feb 11. Powered by AFMG's proven EASE professional sound design technology, EASE Evac is scaled specifically for life safety professionals and comes preloaded with System Sensor SpectrAlert Advance speaker data. An opening for the recessed test switch is located on the detector housing (See Figure 4). HyperSpike speakers offer revolutionary sound quality and intelligibility for fire and life safety applications and their innovative designs exceed the highest standards in military and acoustic notification markets. General Description This document contains information on model numbers, descriptions, markings, and lens color. Compatible with 12- or 24-volt systems. Weight: from the mounting base without the use of a tool. 2.0 inches This includes cleaning, maintenance or screen replacement. 2. Therefore, System Sensor recommends Table 3: EZ Walk Test Detector Modes Authority Having Jurisdiction. AT AN ANGLE ON THE Fill out our feedback form! The mounting base installation is Thanks for using Alarm Grid as a resource.For the purpose of improving our site, wed like to know if you are one of the following: INSTALLATION AND MAINTENANCE INSTRUCTIONS, Series If the detector is within the listed sensitivity limits, the detectors red he EZ Walk loop test must not be used instead of alarm St. Charles, Illinois 60174. 4. try to correct the interference by one or more of the following measures: Initial LED Status Indication. To view this information, simply choose a manufacturer and the appropriate model. Each zone provides only enough alarm current (20ma) to power one smoke in alarmed state. Access all of System Sensor's tools and software offerings. Condition When used with an i3 Series compatible control panel or the i3 Series 2W-MOD module (refer to installation manual D500-46-00), the 2W-B and 2WT-B are capable of generating a maintenance needed signal. Fill out our feedback form! The Companys obligation 1. System Sensor two-wire smoke detectors are marked with a compatibility identifier located on the label on the back of the product. Figure 3b: Wiring Diagram, 4W-B and 4WT-B list is available from System Sensor upon request. Unlike traditional detection systems, Reflected Beam Smoke Detectors were designed for spacious rooms, open areas, and high ceilings; their innovative features make them popular choices for spaces like warehouses, atriums, arenas, and churches. detector counterclockwise. Multi-voltage conventional relays are used for high-current switching applications, such as fan and damper assembly control, door control, air handling unit controls, and other building system interfaces. Improper connections can prevent a system from responding properly in the event of a fire. Operating Temp. Similar Part No. I am wondering if there is too much power connected to the panel for the sirens to sound. Two LEDs on the detector provide a local visual indication of the detectors status: After an initial power-up delay, the red and green LEDs will blink synchronously once every ten seconds. performed and the system will be temporarily out of service. An overview of latest updates, essential resources, and webinars. The 2W-MOD can indicate a need for cleaning, replacement, or a freeze condition (2WT-B only) at the control, Installation of the 2W-B, 2WT-B, 4W-B, and 4WT-B detectors is, simplified by the use of a mounting base that may be pre-wired, to the system, allowing the detector to be easily installed or, removed. Product specifications subject to change without notice. This feature ensures that your security system will not experience nuisance false alarms. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. The System Sensor 2W-B is a 2-wire smoke detector and a member of System Sensor's i3 Series of photoelectric smoke detectors. After power up, allow 80 seconds Start-up Capacitance: The calculator was programmed to assist you in the design of audible/visible notification device circuits. Add the hardwired 2W-B smoke detector to most existing alarm system control panels. 32 Degrees to 120 Degrees F. Battery Backup. item 8 System Sensor 2W-B i3 Series 2-wire, Photoelectric Smoke Detector, 5.0 out of 5 stars based on 9 product ratings. You have been registered for product and offer updates. System Sensor offers world-class fire detection and notification solutions. of manufacture. Also, is your system currently monitored we do offer no contract low cost monitoring plans as low as $10/mth. 3825 Ohio Avenue, St. Charles, Illinois 60174 8. All models incorporate a state-of-the-art optical sensing chamber and an advanced microprocessor. When the smoke detector is normal the green LED will blink every five seconds. Remove power from alarm control unit or initiating device circuits before installing detectors. To calculate performance-based strobe coverage, the inverse square law is used to calculate the illumination at each of the angles in the horizontal and vertical planes per ANSI/UL 1971, Standard for Signaling Devices for the Hearing Impaired, and the effect of polar distribution is included using the minimum percentages in ANSI/UL 1971 or actual test results recorded by the Listing organization. Max. Twisted pair may be used to provide additional protection against extraneous electrical interference. A copy of this list is available from System Sensor upon request. 3825 Ohio Avenue, St. Charles, Illinois 60174, Photoelectric smoke detector i3 series (4 pages), Photoelectric smoke detector. as identified by System Sensors compatibility chart. Replace the detector cover by placing it over the screen/sensing chamber 1. They also answer your questions from the comfort of home or the office. A copy of this To a 4-inch square box with a plaster ring, or its listed sensitivity range, the green LED blinks once every five seconds. However, they may not completely prevent airborne dust =&5~9KY!m}oC%IF# V. 2WT-B and 4WT-B: Operating Voltage: 12/24 V non-polarized nominal, 8.5 min. System Sensors AV notification devices are the most versatile, easy to install, and cohesive line of audible visual (AV) notification appliances in the industry. To remove the detector from the base once it has been made tamper resistant, use a small screwdriver to depress the square tamper release tab, located on the skirt of the mounting base, and turn the detector counterclockwise. 12/24 System Sensor does not provide any design or engineering services. They also answer your questions from the comfort of home or the office. 5.3 inches The LED indication must not Min. 2009 System Sensor. in the Style D initiating device circuit (IDC) configuration requires the use Installation of the 2W-B, 2WT-B, 4W-B, and 4WT-B detectors is simplified by the use of a mounting base that may be pre-wired to the system, allowing the detector to be easily installed or removed. Some states do not allow the A, System Sensor i3 series 2w-b, 2wt-b, 4w-b, 4wt-b Data Sheet. The System Sensor COSMO-2W is a best-in-class i4 Series combination CO/Smoke detector is a 2-Wire carbon monoxide (CO) and smoke detection technology in a single, system-connected device. Power must be removed from the detector ABOUT US Updates Normal (standby) The 2W-MOD can indicate a need for cleaning, replacement, or a freeze condition (2WT-B only) at the control panel or module. Compatible with SENS-RDR sensitivity tester; Full agency compliance with UL 268 and UL 2075; Technical Specifications: System Voltage: 12/24 VDC; The 2W-B smoke detector works with most Honeywell alarm control panels including the VISTA-20P and VISTA-21iP as System Sensor is a subsidiary of Honeywell. The System Sensor 2WTA-B is a 2-wire, photoelectric i3 smoke detector with thermal sensor and built-in sounder. In no case shall the Company be liable for any consequential or incidental damages for %%EOF Ensure proper wiring and power is applied.