Stator and rotor windings are connected in wye to an internal neutral. 00 $300. Filters are installed at the fan air intake and have a MERV 6-7 rating. Contact us to inquire more about Linear Air Terminal Induction Unit for your area. There are variations of this concept that include reheat, dual duct and fan induction applications. The primary-air damper in the terminal unit is controlled by a thermostat in the. METALAIRE High Performance Ultra Low Leakage Dual Duct Air Terminal Unit - DH500 ECO. They are an excellent choice when plenum spaces are tight and minimal zone heating is needed. The Induction Machine Squirrel Cage block models a squirrel-cage-rotor induction machine with fundamental parameters expressed in per-unit or in the International System of Units (SI). Linear air curtain diffuser, material: 304 Stainless steel. Explore top-notch Induction Units at EB Air Control - Scale Floor Mounted Induction Unity. Weathermaster induction systems with 36S Series air terminals provide economical operation with space saving installation. TDV-NT. [1] This can exist between two fluid layers (or surfaces) or between a fluid and a solid surface. The unit contains a small fan that acts to induce the secondary air and a heating. wg. The 35J round tube, single-duct unit provides cooling only to meet retrofit and special application needs. 4 and 0. 5). 30. When there is a current I 2 in the solenoid S 2, the magnetic. 15 Pages. Electric heat is available as 208/ 60/1, 230/60/1, 277/60/ 1, 208/60/3, or 480/ 60/3. Back;. terminal units, etc. 3. Operate: Air volume damper [,] [. They are the perfect solution for Classrooms, Patient Care units, Offices, Libraries, and spaces where a large quantity of ventilation air is mandated for healthy indoors as compliant to the ASHRAE standard of 62. 20 to 130 Cfm. -20-15-10-5 0 5 10 15 20 25 30 0 10 20 30 40 50 qvr (m3. Single water coil (2 pipes induction unit system) The AHU produces the primary air always at the same temperature with heating and cooling coils. All-air. Embed anchors in concrete in accordance with ASTM E488/E488M. (kg) Model Number Inlet Size A Width Height Unit Weight, lb . Rosemex Products AIR. 35E Single Duct Terminal Unit Family REVIT Files. Recommended air velocities in HVAC ducts. auThe series powered induction unit is an air system terminal unit that mixes varying amounts of secondary (recirculated) air and primary (conditioned supply) air to produce a fixed flow of air to a zone. 8 in. From standard grilles and registers, to its architectural line of Formations® linear slot diffusers, along with a newly released series of displacement diffusers, METALAIRE has the air devices to meet every need. Supplied with a round inlet collar on unit sizes 6"-16. Available thicknesses are 1/2" and 1". 7) Do not install pump where it will be exposed to weather, do not store pump in temperatures below freezing. It is housed in a sheet metal enclosure and is. Air Terminal Devices; High Induction Linear; High Induction Linear. 45 to 3,700 Nominal Cfm. Price is an Industry leader in the sales of HVAC related products for highly specialized environments like Laboratories, Clean Rooms and Hospitals. An induction system is made up of a large central air handler that delivers primary air to smaller delivery or terminal units. Catalogs are. 00 $200. BIMsmith is the go-to cloud platform for architects and building professionals to research, store, and share Building Information Modeling (BIM) content. 4 not recommended or not sold by the air pump manufacturer may cause an unsafe condition. ADPI is more difficult to calculate, eliminating your ability to meet the requirements of ASHRAE 55. A squirrel-cage-rotor induction machine is a type of induction machine. Linear air curtain diffuser, material: 304 Stainless steel. PEDV. Prefabricated Air Terminals. This results in the system being able to operate down to 20% primary airflow without cold air dumping from the air diffusers. Contact us to inquire more about Linear Air Terminal Induction Unit for your area. PESV. ] [and automatic volume control. They are ideal for handling the. ent terminal devices, such as fan coils, water source heat pumps, unit ventilators and air induction units also behave acoustically the same as ‘boxes’. 20 to 1750 CFM per valve (H). Terminal Units; Critical Environment; Critical Environment Controls; Grilles; Displacement Ventilation; Chilled Beam;. Offering MODULINE® 37HS SYSTEM-POWERED AIR TERMINALS in Arlington Va, Washington DC, Maryland, & Northern Virginia. In the EnergyPlus simulation program, these units are referred to as powered induction units (PIU’s). The terminal units are usually mounted either under the window or in a ceiling void from which a number of. The primary air source provides continuous air mo-tion and circulation throughout the room. The series powered induction unit is an air system terminal unit that mixes varying amounts of secondary (recirculated) air and primary (conditioned supply) air to produce a fixed flow of air to a zone. I draw the speed:time graphs for the two solutions below: B (T) 0. The 45M fan-powered units are designed to maintain optimum temperatures in the conditioned zone through the accurate mixing of plenum return air and cold primary air. Maximum control. 0 ft Maximum throw — 37HS2 at 177 cfm = 11. When heating is required, the 500-YCI initially provides plenum air that is drawn through the induction inlet. In an HVAC system, the terminal unit is the point at which conditioned air is delivered to the space. Each has its own correct application. During heating, the supplied conditioned air can be reduced to the minimum ventilation rate and the heating. 4 and 0. However, they do come in 1×1 ft and other sizes upon. Terminal units must be in an easily accessible location for its particular zone, which may complicate the system design. Linear Control. Both the solenoids are of equal length. air to the space regardless of load. It is also determined by several factors, such as. 00 260 Days per Year 12 Hrs per Day Suchen top-notch Induction Units at EB Air Control - Perimeter Bottom Mounted Induction Unit. These air streams are distributed throughout the area served by the air handling unit in separate and parallel ducts. When an electrical conductor moves through a magnetic field, it crosses the magnetic field lines, causing the magnetic field to change. In its simplest form, an inductor consists of two terminals and an insulated wire coil that either loops around air or surrounds a core material that enhances the magnetic field. X-CUBE compact. This is ceiling mounted air distribution product that delivers high volume/capacity of heating/cooling for a given space. General Features Description The IHK ceiling-mounted induction terminal units are used in air-water systems to provide a high level of comfort in interior environments with high internal thermal loads in cooling operation. MA-CV valves can also be used to Definitions . 20 m/s for a temperature difference of T = -3 ºC Open the catalog to page 16 S-90 Series S-90-R3 Model - 3-Way Rectangular Dimensions The S-90-R-3 diffuser is a rectangular displacement unit that supplies the air at low velocity. ), solar heat gains, lighting,. 10) Ensure that extension cords (if. Air Terminal, Induction Unit. Stainless Steel Heavy Duty Return Grille, ¾” Blade Spacing, 45° Deflection. £104. Aluminum louvered face diffuser with. The flux in the single-turn coil on the rotor surface isOur dependable quality, reliable delivery and knowledgeable follow-up service have made Price a market leader in supplying air distribution and noise control products. that transfer to the receptor (outdoor air intake) location and re-enter the building. Maximum control. Induction units and fan coils units have been the choice of decentralized air conditioning for commercial buildings for a long time. The installed base exceeded 1 million units worldwide in 1998, with a rapidly increasing growth rate, increasing at more than 25% per year. The pre-piped turnkey system cuts installation time and cost significantly and saves on overall cost of ownership. 50 to 3,700 Nominal Cfm. more details. Bypass terminal units – KMSR. 36IB. An air terminal chilled beam is a kind of convection HVAC system that is designed to heat or cool large buildings. TDV-NT. Fig. 81 -20%. They are designed to suit any kind of fixture. WASHINGTON, DC. METALAIRE High Performance Ultra Low Leakage Dual Duct Air Terminal Unit - DH500 ECO. provides innovative commercial HVAC and industrial HVAC products. 45 to 7,100 Nominal Cfm. manufactures Air Control & Distribution products, VAV Terminal Units, Green Building products, Fan Coil Units, Electric Duct Heaters, Sound Attenuators, Air Handling Units, and Filter Housings. Single output voltage is obtained. Download. The new LTG induction units with needs-based ventilation (type HFVsf), like previous units, function in a four-pipe system. Room air movement is created by its gradual induction toward the primary and total air streams. Single Duct Terminal Unit with Factory Mounted Valve Package. The throw can therefore be reduced by decreasing the air flow from the outlet or by selecting an air outlet with a high induction rate. In pressure dependent systems, the volume of air supplied by the terminal unit varies depending upon the static pressure (SP) in the primary air duct. Unitary Systems. 1 VENTILATION. A plenum box can be found on a linear diffuser, swirl diffuser, 4-way diffuser and many other types of diffuser. Steel heavy duty return grille, 1/2" blade spacing, 38 degree deflection, blades parallel to long dimension. 8 in. . Slide-In Unit • RF-13 : Internal Retrofit Kit for Titus Air Terminals : Jet Induction Terminals •. Sizing an induction terminal unit is relatively simple; the room Summer and Winter HVAC load is calculated which includes transmission loads (walls, glazing, etc. 6185 Tomken Road, Unit 1-2 Mississauga, ON, L5T 1X6: 905-670-2277 info@ebaircontrol. There are some good reasons for that; they don’t take up precious floor space, they can be accessed for service or maintenance, they are simple to connect to the HVAC system and they can be used for heating, comfort. Spare filters can also be ordered and ship loose. 6. Variable air volume boxes are a key component of our MicroTech® Integrated system for VAV system applications, providing consistent and reliable comfort for building occupants. For linear diffusers, you are most likely going to decide between the diffuser length of 600mm or 1200mm. Enhance your space with superior air quality. Explore top-notch Induction Units at EB Air Control - Scale Floor Mounted Induction Unity. The Air Induction Unit (AIU) is a patented displacement ventilation device used to provide moving air for comfort, particularly in transient spaces such asAs a leading Linear Slot Diffuser Manufacturer, Biyang has different options. The rated per meter values are normalized by the linear dimensions of the beam and are generally obtained from product catalog data by. terminal units, etc. The 35E unit is offered in 10 sizes with air delivery range from 75 to 5995 cmh. 20 gage, galvanized steel casing construction. Single Duct Boxes - 80 to 8,000 CFM. It is the velocity of the air right after the cooling coil of a fan. Chilled water sensible cooling terminal units are currently not included in any AHRI certification program, however, all the applicable performance data are obtained. From standard grilles and registers, to its architectural line of Formations® linear slot diffusers, along with a newly released series of displacement diffusers, METALAIRE has the air devices to meet every need. Simply load or insert 3D content directly into your Revit model or CAD drawing. It has been designed to work as part of a dedicated outdoor air system (DOAS). HVAC designers have several goals to meet when sizing a terminal unit inlet. PEDC. Primary-air system distribution that is independently supplied to spaces for use with other in-room terminal systems may be low-velocity or a combination of. They had no means for limiting the quantity of supply air. The 35E single. Air Terminal Units . Protect your facility by directing lightning strikes to air terminals or lightning rods. Air should be added to the room in an individually regulated, precisely dosed manner. Features. Useful in a variety of commercial and educational applications, like classrooms, office. 4. An effective control mechanism can be constructed to link PIU with a building’s BACnet system, enabling it to. A series fan powered terminal unit, the 33SZ incorporates a cooling induction coil to use in conjunction with a DOAS (dedicated outdoor air system). The size of directional diffusers are mostly 2×2 ft (width x length) and they fit perfectly on a 2×2 ft ceiling. Download. Our long-standing vision, traditional. The sound from air han-dlers, rooftops and vertical pack units can also be applied to many of the acoustical fac-tors found in ARI 885. Face velocity is the off coil air velocity. Linear air curtain diffuser, material: 304 Stainless steel. Back To Air Terminals. The CSV Linear Jet Flo air terminal unit is used to regulate the flow of supply air in chilled ceiling applications. 4- or 2-pipe units for. This unit is available in 2x2 ft with a 2-way grille that dis-charges on one side and returns on the other. It is designed to allow maximum flexibility in configuration and control. 5") to induce ceiling plenum air – no auxiliary induction fans required. Our high induction linear products offer a wide range of design and application possibilities, integrated into either ceiling or sidewall applications. The temperature of the air is set in the heat exchanger, and the primary air is resupplied into the rooms through the air output grille. The 45M fan-powered units are designed to maintain optimum temperatures in the conditioned zone through the accurate mixing of plenum return air and cold primary air. EP3094926B1 EP15719829. VAV terminal units must never be shut down to zero when the system. The 35J round tube, single-duct unit provides cooling only to meet retrofit and special application needs. Maintain space temperature with room air motion characteristics of a constant volume system throughout the operating range for high levels of thermal comfort. VariTrane™ variable-air-volume units (VAV) are among the industry leaders in quality and reliability and are designed to meet the specific needs of today’s applications. It is an alternative to a conventional VAV system which draws a line between dehumidification and ventilation. Aluminum louvered face diffuser with induction vanes, for narrow tee ceilings. Hybrid air terminal (12 pages) Air Conditioner Carrier 30H Installation, Start-Up And Service Instructions Manual. The induction system is a positive ven-tilation system. Induction terminal units have no fans. The 35E single duct unit provides cooling only or cooling with. PEDV. Displacement & Chilled Beams / Underfloor / Terminal Units / Fan Coils & Air Handlers DVBC TAF-V DVRI-HCS ESV DVIR LHK CBAL (-12, -24) T3SQ-2 pg. Terminal units are designed to allow maximum flexibility in configuration and control. There is constant air movement throughout the system. Linear Transportation Systems Using Induction Motors. There is a misconceived trend to oversize terminal unitshigh as that of the linear motor in the compressors. Induction Air Terminal Units Induction ATUs (Figure 2. Title: SECTION 233600 - AIR TERMINAL UNITS. Learn about our new single duct terminal unit with a factory mounted valve package. AORCS. Induction units and active chilled beams require careful selection of the primary-air cooling coil and the induction unit nozzles to achieve an overall medium-pressure primary-air system. Constant Volume Pneumatic Dual Duct Terminal. 5. This unit is available in 2x2 ft with a 2-way grille that dis-charges on one side and returns on the other. Linear air curtain diffuser, material: 304 Stainless steel. Unlike traditional sensible only chilled beams, NuClimate Induction Beams can actively manage condensation which allows for increased design capabilities and more flexibility. Southland Industries is revolutionizing industrial air-conditioning systems with the Fan-Powered Induction unit, or F-P-I-U. The dual duct all-air system is a terminal-controlled modification of the multi-zone concept. It consists of two major components, a primary air damper and a secondary air induction indoor fan. (4)For units equipped with ECM motors, set the primary air dampers as described in (3). These air terminal devices and heating products offer high-quality controls for efficient operation, and flexibility construction that can assure easy installation and service. [1] An inductor typically consists of an insulated wire wound into a coil . From standard grilles and registers, to its architectural line of Formations® linear slot diffusers, along with a newly released series of displacement diffusers, METALAIRE has the air devices to meet every need. Water-control Weathermaster induction systems use 36S Series induction mien terminals for economical supply conditioning in post buildings, hotels, schools, and apartments into deployment year-round comfort in every room. Max Reheat Air [°F (IP) | °C (SI)]: This is the max temperature limit of the air leaving the terminal unit reheat coil (and being delivered to the zone). The present invention relates to an induction supply air terminal device where primary air flow is used to induce a secondary air flow wherein the nozzles are provided in the form of a cluster arrangement, comprising one or more clusters of three or more nozzles each. ] [with high limit. Lining: Internally lined with 3/4" thick fiberglass insulation, rated for a maximum air velocity of 5000 f. Air Terminals Comfort from the inside out. METALAIRE Single Duct Air Terminal - Sizes 520-524 - TH-500. 4 Field calculations at the region boundaries 169Air cylinders Polished rod TEFC induction motor Standoff The LRP® pumping system is designed for higher-production wells up to 10,000 feet deep, while Unico’s CRP® Crank Rod Pump is intended for shallower, low-volume wells. This eliminates the need for an electric motor, its power source and the related maintenance. Ceiling installation Type HFFsuite Induction unit type HFFsuite Quiet as a whisper: 23. Nailor Industries, Inc. We design UniTrane fan coil units as an integral part of the company’s system solutions with standard IAQ-related features that fully comply with ASHRAE 62. , offering a complete line of air distribution and air terminal products. 15 CV and VV Selection of 5 sizes up 3. • According to the new Energy-related Products (ErP) Directive 2016 / 2018, the centralised ventilation unit requires approx. heating, ventilation, air conditioning systems. 9%. Variable Air Volume (VAV) is a type of heating, ventilating, and/or air-conditioning (HVAC) system. METALAIRE is the flagship brand of Metal Industries Inc. In this paper we proposed the novel air-conditioning system which combined induction ventilation and radiant air-conditioning. 2mm thickness aluminum extruded material options to meet the economic and high-end demands from different customers. Zone control X-AIRCONTROL. , offering a complete line of air distribution and air terminal products. The exhaust dilution factor is the inverse of the re-Electromagnetic induction is the process of inducing an electromotive force by moving a charge-carrying conductor (for example, metal wire) in a magnetic field. Primary air is pushed through an array of nozzles creating a venturi effect or. The induction system is a large energy consumer because of the extra power required to maintain the high pressure necessary to deliver the primary air to the room induction nozzles and induce room air to flow through the unit coils. Our high induction linear products offer a wide range of design and application possibilities, integrated into either ceiling or sidewall applications. The advantage of this system is that the temperature can be adjusted in each room. ] Electric Actuator: 24 volt [. 6 t¯ s 1074. Constant air volume terminal units – KSV. Regardless of whether inductive, displacement, or procondive ventilation is required, TROX and HESCO always offer the ideal diffuser. The 35N dual-duct terminals are designed to maintain optimum temperatures in the conditioned zone by varying the air volume supplied by hot and cold supply ducts while providing the proper discharge air temperature. Air Terminal Model XG-BP-600 Bypass Terminal Unit Model XG-FCI-600 Constant Volume Fan Terminal Unit Model XG-FCL-600 Low Profile Constant Volume Fan Terminal Unit This quiet series fan-powered ATU has been engineered to provide noise levels that are the best in the business. Air Terminal Units JAN-2018. The induced air passes first through the heating coil, then. When the current flowing through the coil changes, the time-varying magnetic field induces. 5 ft If units cannot meet range requirements, recalculate the number of units. Will this work to stop the unit from sucking intake air from the house? 1 Answer. You can achieve 30% more efficiency by upgrading to the new induction units that operate on the most advanced technology. greater detail in the section on Fan-Coil Units and in Chapter 12. PEDC. , offering a complete line of air distribution and air terminal products. i p n p − i s n s = 0). Single duct terminal units are at the core of today’s variable air volume (VAV) systems, regulating airflow to an occupied space. 3. This applies to all accessory connections as well as the basic fan powered terminal unit. mark air valves. Division of Technical Resources Title Block 11X17. To prevent excessive air leakage, all cleat joints should be sealed with an approved duct sealer. Ceiling installation Type HFFsuite Induction unit type HFFsuite Quiet as a whisper: 23. METALAIRE Short Mixing Dual Duct Air Terminal Unit - DS600 . Engineered for outstanding performance, the products. 33RL. Series 30High induction linear grille Description The 31-HI high-induction linear grilles were specifically designed to cover the interior design needs, with a low noise level and excellent diffusion behavior. Convectors . Title: SECTION 233600 - AIR TERMINAL UNITS. Air terminal devices are crucial for the operation and efficiency of air-conditioning and ventilation systems. 30 pg. Offering WEATHERMASTER® 36S WATER CONTROL INDUCTION AIR TERMINALS in Arlington Va, Washington DC,. A typical fan selection at these conditions with about a 75% efficiency would have a fan brake horsepower requirement of about 47 kW. Holes that are drilled in the duct for testing or balancing purposes are to be sealed with duct tape or duct sealer. • VAV box Capacities range from 40– 4000 CFM in 7 sizes. e. High capacity single slot linear diffuser available in five slot widths, offering an attractive alternative to traditional multi-slot designs. Air movement through coils in the terminal unit is induced by high-pressure air, called “primary” air, that comes from a central air handling unit. discharge air pressure regulation, discharge air temperature regulation, or to mix primary air with return air in an induction terminal. RadiaTec-AL. ] [induction damper][,][. Electrical Connection In a chilled beam, the term “induction” is used to describe the process of injecting primary air under pressure through a nozzle, which in turn entrains return or plenum air at the discharge of the nozzle. It is the fundamental operating principle of transformers, inductors, and many types of electric. Induction units and active chilled beams require careful selection of the primary-air cooling coil and the induction unit nozzles to achieve an overall medium-pressure primary-air system. METALAIRE Short Mixing Ultra Low Leakage Dual Duct Air Terminal Unit - DS600 ECO. , offering a complete line of air distribution and air terminal products. TheMETALAIRE is the flagship brand of Metal Industries Inc. Air is forced out of nozzles in the unit at a velocity high enough to induce entrainment of recirculation air from the space in the discharge jets. Sound power levels . ). PEDV. Particularly for the linear diffuser, a plenum box is critical to its airflow distribution. 6185 Tomken Road, Unit 1-2 Mississauga, ON, L5T 1X6: 905-670-2277 [email. during the occupied mode. With more than 24,000 parts, your local Source 1 dealer is your one-stop-shop for YORK® heating and cooling parts, including motors and air moving components and compressors and refrigeration components. Air Terminals • RF-11: Internal Retrofit Kit, Slide-In Unit • RF-13 : Internal Retrofit Kit for Titus Air Terminals : Jet Induction Terminals • HVI : Jet Induction Air Terminal : Bypass / Relief Terminals • RME : Bypass / Relief Air Terminal : Air Control Valves • VCD : Volume Control Damper Product offerings include Air Control & Distribution products, VAV Terminal Units, Green Building products, Fan Coil Units, Electric Duct Heaters, Sound Attenuators, Air Handling Units, and Filter Housings. The two. , offering a complete line of air distribution and air terminal products. 6185 Tomken. With their compact design and versatile installation. A fan powered terminal unit (FPTU), commonly referred to as a fan powered box (FPB), is an air terminal unit which contains both a primary air inlet, as well as a local motor and blower assembly. 2 db (A) at 45 or respectively 60 m³/h of primary air (sound pressure level LPA with room attenuation of 3. Enhance your space with superior air quality. Supplied with a round inlet collar on unit sizes 6"-16. Central system air is usually supplied to a zone through a terminal unit such as a single duct VAV reheat box. = ETL tested units Air Terminal Chilled Beam units Model wise Features 1-MLD-48/64/88/120 (One Way Blow units) Model Range: 4 Different length units to Primary Outside Air CFM Range: 20 cfm -200 cfm Primary Air Inlet Pressure Range: 0. Engineered for outstanding performance, the products. Enhance your space with superior air quality. AOR – additional oil recovery. PEDC. Cabinet Unit Heaters . INSULATION: All units available with dual density fiberglass insulation. Aluminum louvered face diffuser with induction vanes, for narrow tee ceilings. ÐÏ à¡± á> þÿ B D. Browse within the largest BIM library and enrich your project with manufacturer-specific and generic BIM content! The powerful search engine allows you to find up-to-date graphic and parametric product information, ready to use in your BIM process. Greatly increasing the first cost of the HVAC system. 30 – 1. B-weight and D. 1. When establishing the required air volume for each space, one should. Air volume damper [,] [. Doubling the duct diameter reduces the friction loss by factor 32. Rosemex Products AIR. Description. An Induction Unit (IDU) is an air/water system that utilizes the energy given off by two fluid streams to meet cooling or heating requirements in a room. 10 items in stock. Low velocity design is very important for the energy efficiency of the air distribution system. HVAC designers have several goals to meet when sizing a terminal unit inlet. AOF – absolute open flow. Ø 125 mm. Ducts distribute air, and a thermostat controls the system. 2. VariTrane fan-powered terminal units reduce energy use and operating cost with Electronically Commutated Motor (ECM) and modulating airflow. The throw can therefore be reduced. The cooled air is delivered to the space through the terminal's fan. It is delivered as a plenum box and diffuser together and is suitable for mounting between metal ceiling tiles. Airflow Range (Cfm): 60 - 1,285. Lay In Flowline High Capacity Linear Slot Diffuser with Plenum. Terminal units are designed to allow maximum flexibility in. The induction system is a large energy consumer because of the extra power required to maintain the high pressure necessary to deliver the primary air to the room induction nozzles and induce room air to flow through the unit coils. 00 $200. With Swegon, fresh air quantity is usually doubled when compared to the minimum requested by design, creating a healthy and very pleasant environment. The air distribution system is responsible for providing adequate space ventilation and latent cooling (dehumidification) while removing space sensible heat gains in order to provide a comfortable and healthy environment for. 4” -1. INDUCTION. Electric Single Duct Terminal. the mode of air conditioning changed starting in the mid 1960’s from fan coil units, to dual or induction, to single duct with variable air volume, to. With more than 24,000 parts, your local Source 1 dealer is your one-stop-shop for YORK® heating and cooling parts, including motors and air moving components and compressors and refrigeration components. The rated per meter values are normalized by the linear dimensions of the beam and are generally obtained from product catalog data by. Electric Single Duct Terminal. Features.