Level unit by adjusting two No. 000m3 / h with two different systems for heat exchange offer ideal solutions for small and midrange applications. We can define the function that determines the inductor flux. With its low profile design the unit can be installed in slab applications as well as raised access floor plenums with minimal height clearances required. So,. ]. All-air. Division of Technical Resources Title Block 8. PEDC. Download freeRevit families with BIMsmith Market. The unit features improved energy efficiency and performance, providing increased value and benefit to the building owner. Constant Volume Pneumatic Dual Duct Terminal. 9) Read and observe all important markings on pump. PEDC. 5. A full line of engineered polymer air distribution products ideal for environments with non-ferrous requirements like MRI rooms, pools and water treatment plants. Quick selection guide 36CB CHILLED BEAMS Induction beams IQID • IQID chilled beam for flush mounting into false ceilings • Very flexible – available in a wide range of versions from basic to multifunctional • Suitable for standard 600 mm false. 2500 Main Street Ext. Some of our Linear diffusers are for ceiling or wall, can also be insta. 3 Compact, lightweight permits flexibili- air volume control in all low or high Operation . A central air handling unit provides two conditioned air streams such as a cold deck and a hot deck, as shown in Figure 7. A typical fan selection at these conditions with about a 75% efficiency would have a fan brake horsepower requirement of about 47 kW. METALAIRE is the flagship brand of Metal Industries Inc. The primary air valve assembly contains an inlet tube, damper, and airflow sensor. 2. The MLZ-KP EZ FIT ® Ceiling Cassette recesses between the ceiling joists providing a clean flush-mount appearance. 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. Regulator incorporates auto mechanic without need of external energy. manufactures Air Control & Distribution products, VAV Terminal Units, Green Building products, Fan Coil Units, Electric Duct Heaters, Sound. It is also possible that the outside air is cooled in the centralised ventilation unit and has to be re-heated in the room to the customer’s requirement. The minimum zone fraction is normally specified to meet the minimum ventilation requirement for the occupants. 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. Lay In Flowline High Capacity Linear Slot Diffuser with Plenum. Single Duct Terminal Unit with Factory Mounted Valve Package. Terminal units are designed to allow maximum flexibility in. If you need to install the best-chilled beams in your space, EB Air Control Induction Chilled Beams are the best choice. Induction (Air/Water) System. PEDV. Power consumption and energy savings for other terminal unit sizes and models will vary based on motor size, fan powered terminal unit model, inlet static and discharge static pressures. 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. 45 to 3,700 Nominal Cfm. Available thicknesses are 1/2" and 1". 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. High Efficiency Horizontal Ducted System. 2 The double harmonic analysis 160 5. Induction units and fan coils units have been the choice of decentralized air conditioning for commercial buildings for a long time. 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. Pressure Independent VAV (Variable Air Volume Terminals) • Pressure Independent VAV Unit has one primary air inlet, one rectangular discharge outlet to the room and one rectangular bypass discharge outlet. 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 cooling, or both. Displacement & Chilled Beams / Underfloor / Terminal Units / Fan Coils & Air Handlers DVBC TAF-V DVRI-HCS ESV DVIR LHK CBAL (-12, -24) T3SQ-2 pg. 0440 0. In AHUBuilder, enter the 39M Submittal Drawing Manager. 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. Terminals are provided with UNC threading and are. The Linear Fan Terminal (LFT) is a perimeter linear plenum with an integral fan to provide forced air through cooling or heating coils. 35 Series Axis™ Single Duct Air Terminal Units. This parallel fan-powered terminal unit is designed to. Typical Lab Bench Elevation. It is also possible that the outside air is cooled in the centralised ventilation unit and has to be re-heated in the room to the customer’s requirement. Our long-standing vision, traditional. 12. 15 CV and VV Selection of 5 sizes up 3. 4. 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. (mm) and Weights, lb . ] [and automatic volume control. 00 $300. FPIUs use efficient variable speed motors which provide separate control for outdoor air and recirculated room air. The number of turns and layers of the wire. When establishing the required air volume for each space, one should. 25] respectively. An Induction unit is a type of air handling unit that is an element of the HVAC system that. Copper tubing and aluminum fins are used in its production process. 30. 12. 6185 Tomken Road, Unit 1-2 Mississauga, ON, L5T 1X6Explore top-notch Induction Units at CB Ventilate Control - Perimeter Floor Mounted Induction Unit. Popular cause they inhered more efficient when the fan-based units available at the time, and because they required less ductwork, plenty of these unities were well-maintained and operated by. mark air valves. 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. that transfer to the receptor (outdoor air intake) location and re-enter the building. Terminal. In addition to using adhesive complying with NFPA 90A, the insulation shall incorporate a secondary mechanical fastener attached to the unit casing wall (clench nail). Aluminum louvered face diffuser with. IECC additionally requires backdraft dampers to be labeled by an approved agency, such as the Air Movement and Control Association, International. Cabinet Unit Heaters . The 35E unit is offered in 10 sizes with air delivery range from 75 to 5995 cmh. 8) Ensure pump is securely mounted prior to operation. 4. Induction terminal units have no fans. 6185 Tomken Road, Unit 1-2 Mississauga, ON, L5T 1X6: 905-670-2277 [email. through 16 in. 2 Pages. Linear Diffusers. Air Terminal Devices; High Induction Linear; High Induction Linear. ]. 1. 65 °C Rise, Oil-Filled HV 6900D, 75 BIL LV 2400Y, 45 BIL kVA Rating Weight Lb (kg) Gallons (Liters) Liquid Dimensions in Inches (mm) Height Width Depth 500A linear induction motor (LIM) is an alternating current. The constructional features and principle of. Together they are capable of handling the entire range of sucker-rod pumping applications. • VAV box Capacities range from 40– 4000 CFM in 7 sizes. Flow velocity in air ducts should be kept within certain limits to avoid noise and unacceptable friction loss and energy consumption. ] [induction damper][,][. Supplied with a round inlet collar on unit sizes 6"-16. It is this constant mixing that in a size 40 Price FDCG series terminal unit. Options. Ground Rod Structural Steel Connection. 97. ÐÏ à¡± á> þÿ B D. Air Terminal Units . Air flow per displacement unit X0. Learn how this system is both mo. The concepts behind this technology have been understood in America since the early 1900s with Willis Carrier’s introduction of HVAC induction units. It concludes that air systems probably are the most advanta geous systems for inpatient care spaces. Linear Grilles are recommended for supplying heated, ventilated or cooled air and for returning or exhausting room air. Sizing an induction terminal unit is relatively simple; the room Summer and Winter HVAC load is calculated which includes transmission loads (walls, glazing, etc. 1/3 larger than fan coil units. If the total static. Steel heavy duty return grille, 1/2" blade spacing, 38 degree deflection, blades parallel to long dimension. 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. The clusters can be arranged according to predetermined patterns depending on the pattern. Perimeter induction units – usually located under windows – blend primary air from the air-processing unit with secondary air from within the room. Maximum control. The air handler will deliver a constant temperature of 55ºF (13 ºC) supply air to the VAV boxes. a duct that actually measures 8 inches must be fitted to a size 8 inch Air Terminal. 080 m³/h. LBG are specially constructed for mounting on side wall or sill, or at the junction of interior or exterior wall corners. The Nailor product catalog is the ultimate industry resource for information. Coupled with a wide range of product offerings and industry leading design, testing and manufacturing capabilities, Nailor offers a single. Single zone. ”. 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. • According to the new Energy-related Products (ErP) Directive 2016 / 2018, the centralised ventilation unit requires approx. Circular air terminal units for standard applications in supply air or extract air systems with variable volume flow rates; Suitable for the control of volume flow rate, room pressure or duct pressure. AORCS. Pressure Independent VAV with Heater (Variable Air Volume Terminals) • Pressure Independent VAV Unit has one primary air inlet, one rectangular discharge outlet to the room and one rectangular bypass discharge outlet. Unit Size 30 Water Pressure Drop Air Pressure Drop WATER FLOW AIRFLOW HEAD LOSS (WATER PRESSURE DROP. Starting in 2019 through 2020, Carson Solutions partnered with Purdue University and Ray W. They deliver a much higher air volume capability than conventional multiple slot linear designs. com. The DLSC is a fan powered terminal unit that features a sensible cooling coil. Models There are four types of rectangular. In fact, Miracle Air’s 15-pound ultra-absorbent carbon filter is one of the hardest working odor eliminators in the market today. Designers can be assured that METALAIRE is the right choice for their air distribution needs. Carrier has released its new induction unit, the ActivAIR™ 36IU, a redesign of the legacy 36S. TDV-NT. Primary air is pushed through an array of nozzles creating a venturi effect or. terminal units, etc. The primary air is passed through an array of nozzles in the terminal unit that create a venturi effect, or vacuum. induced plenum air by using a continuously operating fan . 3. Open the catalog to page 2. Filters are installed at the fan air intake and have a MERV 6-7 rating. Roger Legg, in Air Conditioning System Design, 2017. Terminal units will require periodic maintenance in addition to usual attention paid to the central unit. They are installed below the suspended ceilings for aligning themselves with the heating and cooling loads. The terminal units of the UFA series have the dual function of filtering the air with high efficiency absolute filters and distributing the air throughout the premises. Figure 3. VAV terminal unit LVC for low airflow velocities. The tesla (symbol: T) is the unit of magnetic flux density (also called magnetic B-field strength) in the International System of Units (SI). 5). Slide-In Unit • RF-13 : Internal Retrofit Kit for Titus Air Terminals : Jet Induction Terminals • HVI : Jet Induction Air Terminal : Bypass / Relief Terminals • RME. heating, ventilation, air conditioning systems. This air is drawn through a heat transfer coil that can either heat or cool the room air. 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. The primary air is al-ways provided with a positive amount of outside ventilation air directly added to every module served by a 36R,T air terminal. There are variations of this concept that include reheat, dual duct and fan induction applications. Terminal units may use plenum or room air induction to affect space temperature control while maintaining a constant or variable discharge airflow rate and/or temperature. It provides a constant volume of . High capacity single slot linear diffuser available in five slot widths, offering an attractive alternative to traditional multi-slot designs. Swegon is the industry leader in new and innovative technology for chilled beams and induction comfort modules. Offering MODULINE® 37HS SYSTEM-POWERED AIR TERMINALS in Arlington Va, Washington DC, Maryland, & Northern Virginia. Down Lead to Ground Connection. For linear diffusers, the flexible duct must be connected on the side of the plenum box rather than on the top. • Higher investment costs due to the larger duct networks and shafts. METALAIRE Short Mixing Ultra Low Leakage Dual Duct Air Terminal Unit - DS600 ECO. Induction beam terminals require significantly less primary air inlet static pressure than their induction terminal predecessors, generally between 0. linear induction unit 24" wide 270582 dy liu24-1-1 options: • inlet location • inlet damper • volume flow regulator • border style • mounting bracket. Standard unit Air-balanced unitExhaust Discharge Stack Lighting Protection. Δp: 5 – 600 Pa. 00 $300. This air is controlled by a fan, that is affected by the static pressure in the system. A forced-air HVAC system consists of a heating or cooling device and a blower housed in an air handler. 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. The standard contains very detailed procedures that are to be followed for the testing and certification program associated with this standard. resulting induction of room air into the primary airflow, induction terminals need no electrically powered fans to provide the supply air volumes required to condition the zone. to its architectural line of Formations® linear slot diffusers, along with a newly released. Built locally inhouse to our exacting standards and. 2495 v∞(m s−1) 1704. Contact us to inquire more about Linear Air Terminal Induction Unit for your area. It is housed in a sheet metal enclosure and is. 5 m/s. Explore top-notch Induction Units at EB Air Control - Perimeter Floor Mounted Induction Unit. Learn more about EB Air Linear Air Terminal Induction Unit and related. The unit has two inlet air streams: the centrally conditioned supply air and the induced air from the zone. Directional diffusers include 4-way diffusers, 3-way diffusers, 2-way diffusers and 1-way diffusers. Nailor offers a wide range of Underfloor products including, swirl diffuers, linear diffusers, fan powered boxes, fan booser, and underfloor fan coil units. Also, the induction terminal unit operates simultaneously with heating and cooling, wasting energy as in a. 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. m. The main feature that distinguishes induction units from other systems is the use of nozzles rather than fans in the terminal unit. Ø 125 mm. For the second type of air terminal devices on which the tests have been performed, the size and the shape can be very different as shown on the figure 6 below. wg. Weathermaster induction systems with 36S Series air terminals provide economical operation with space saving installation. Constant Volume Pneumatic Dual Duct Terminal. ). In addition, the horizontal, angled and vertical air flow can be achieved with our linear slot air. Call Perryaire today 703-521-2226! Terminal units such as those listed here are supplied with or without cooling, fans, heat, or reheat, and having either constant or variable primary airflow rate. B-weight and D. When it comes to maximum occupant satisfaction with a minimum of installation and maintenance costs, high operating efficiency and a practical simplicity of design, the Carrier ActivAIR™ induction beam delivers exceptional performance. The 35J round tube, single-duct unit provides cooling only to meet retrofit and special application needs. 3. 043996 and 0. TDV-NT. This generation of VariTrane units builds. 84. Depending on the application, there are. The staple of today’s HVAC system designer, VAV systems lower. discharge air pressure regulation, discharge air temperature regulation, or to mix primary air with return air in an induction terminal. 6185 Tomken Road, Unit 1-2 Mississauga, ON, L5T 1X6HVAC – Heating – Air Conditioning Repair Experts at Perryaire. Fan powered units have optional 1" or 2" filter racks with filters. Due to the diversity of their function areas, airport buildings have to meet complex requirements for their air-conditioning technology. ), solar heat gains, lighting,. Download . When changes in magnetic flux (denoted by Φ. Carrier’s Axis™ Overhead Air Terminal offering includes single duct and dual duct, fan powered, and system powered air terminals available with many factory installed options and features, including the perfect control option, to meet your and your building’s needs. The primary air source provides continuous air mo-tion and circulation throughout the room. m. Each room requires a separate chilled beam system with its own piping connection. Hang base unit on wall-mounting strip, using center lines for reference. It is the velocity of the air right after the cooling coil of a fan. PEDC. Call. Consult Carrier Commercial Systems and Services's Axis Overhead Air Terminals brochure on DirectIndustry. RadiaTec-AL. ent terminal devices, such as fan coils, water source heat pumps, unit ventilators and air induction units also behave acoustically the same as ‘boxes’. 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. Air Terminal Devices; High Induction Linear. These systems provide an alternate solution to addressing ASHRAE 62. Air should be added to the room in an individually regulated, precisely dosed manner. Note: Do not insert duct work inside the inlet collar of the Air Terminal. Price would be pleased to assist in developing a specification for your specific need. Learn more about the parts of the. 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. Constant air volume terminal units – KSV. • VAV box Capacities range from 40– 4000 CFM in 7 sizes. Single Duct Terminal Unit with Factory Mounted Valve Package. RadiaTec-AL. £83. There are two possible answers, namely 0. Terminal unit CAV Description Terminal control unit constant air flow, KOOLAIR brand, model KSV / KSVL, length dimension 610/1360 mm. 4 Pages. An induction system is made up of a large central air handler that delivers primary air to smaller delivery or terminal units. Reciprocating heat reclaim units (16 pages) Air Conditioner Carrier 38AD Installation, Start-Up And Service Instructions Manual. Enhance your space with superior air quality. Download . 8 in. Single-phase induction motors or ferrite magnet-embedded electrically commutated motors are typically used in the conventional compressors. Recommended price. 2. Consider two coaxial solenoids, of which the outer solenoid S 2 has radius r 2, and N 2 turns, whereas the inner solenoid S 1 has radius r 1 and N 1 turns. The following specification is for a defined application. Maximum control. METALAIRE is the flagship brand of Metal Industries Inc. The model 36IBAN is a one-way blow, ceiling-mounted induction beam that is linear in dimension. INDEX VALVE FEATURES The VVS valve will provide accurate Applications . There is constant air movement throughout the system. It is delivered as a plenum box and diffuser together and is suitable for mounting between metal ceiling tiles. 30 % more space to transport the same air volume. 1 VENTILATION. The Atlas Ceiling Grid System is a field assembled, gasketed, heavy duty ceiling grid for use in operating rooms, laboratories, and cleanroom applications. UFAHEPA filter terminal units. 00 260 Days per Year 12 Hrs per DaySuchen top-notch Induction Units at EB Air Control - Perimeter Bottom Mounted Induction Unit. in a size 40 Price FDCG series terminal unit. The objective is to obtain the best possible air quality in the occupied zone, and stable, homogeneous ambient temperatures. For example, the fan curve below is for a Nailor 35S Size 5. 8 in. Series Fan Terminal with Sensible Cooling Coil. This can be done by pressing the “CTRL” key and then right-clicking an. Recheck the fan and primary airflows when the damper is reset to the minimum set point. The 45M terminals offer excellent performance characteristics and affordability in a compact unit with optimum physical dimensions. 1-3. Linear air curtain diffuser, material: 304 Stainless steel. Terminal Units; Critical Environment; Critical Environment Controls; Grilles; Displacement Ventilation; Chilled Beam;. The size of directional diffusers are mostly 2×2 ft (width x length) and they fit perfectly on a 2×2 ft ceiling. The valve of the reheat coil modulate only if the room thermostat is in need. Nailor Industries, Inc. 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. , offering a complete line of air distribution and air terminal products. METALAIRE RA retrofit valve per air terminal. For example, when selecting active chilled beams for use in a patient room, ASHRAE Standard 170 calls for a minimum of six air changes, with a minimum of two air changes being fresh air. , offering a complete line of air distribution and air terminal products. ] [and automatic volume control. greater detail in the section on Fan-Coil Units and in Chapter 12. 29 0. VariTrane ® variable-air-volume (VAV) units lead the industry in quality and reliability and are designed to meet the specific needs of today’s applications. Centrally conditioned primary air is supplied to the unit ple-num at medium to high pressure. Maintain space temperature with room air motion characteristics of a constant volume system throughout the operating range for high levels of thermal comfort. If you are looking for induction and chilled beams manufacturers in Canada, USA, and other regions in Asia, then get in touch with EB Air Control. The air terminal units are capable of stand-alone operation, however, optimum functional benefits are derived when network. Linear Control. A series fan powered terminal unit, the 33SZ incorporates a cooling induction coil to use in conjunction with a DOAS (dedicated outdoor air system). During summer, the supplied water temperature for the unit heat. First, the primary air (air supplied by the IDU) discharges through the main air plenum into the mixing chamber through a series of nozzles. Title: SECTION 233600 - AIR TERMINAL UNITS. The METALAIRE is the flagship brand of Metal Industries Inc. The ESV-VP valve package is assembled in a manufacturing setting giving you repeatable and reliable quality that otherwise may be difficult to replicate in a field setting. i p n p − i s n s = 0). 249505 teslas. , offering a complete line of air distribution and air terminal products. A two slot option is also available. Options. Cylindrically shaped inlets shall utilize the equal cross sectional area or log-linear traverse method. Prefabricated Air Terminals. 043996 0. Linear Transportation Systems Using Induction Motors. 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. Doubling the duct diameter reduces the friction loss by factor 32. This unit is available in 2x2 ft with a 2-way grille that dis-charges on one side and returns on the other. 5) 1. METALAIRE is the flagship brand of Metal Industries Inc. A linear induction motor ( LIM) is an alternating current (AC), asynchronous linear motor that works by the same general principles as other induction motors but is typically designed to directly produce. When the controls call for heating, the primary air turns down to its minimum setting, and the fan comes on to pull air from the plenum, mixing it with the primary airflow. 75], T100 [T0. METALAIRE Single Duct Air Terminal - Hot Water Reheat - TH-500 . Heating, based on a water circulation coil Control. Heavy gauge unit casings, designed to accommodate the floor pedestal layout, feature convenient access to all components. The rated per meter values are normalized by the linear dimensions of the beam and are generally obtained from product catalog data by. ] [with high limit. 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. Single Duct Terminal Unit with Factory Mounted Valve Package. 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. Terminal. Capable of inducing up to 10 times of air movement as compared with conventional mechanical fan systems, the AIU can improve. Ideal. Induction Terminal Chilled Beam. Aluminum louvered face diffuser with induction vanes, for narrow tee ceilings. HVAC designers have several goals to meet when sizing a terminal unit inlet. the amount of air injected (Q injected) is referred to as the induction ratio. A chilled beam induction unit combines the benefits of chilled beam technology and induction principles to deliver exceptional cooling performance. Ducts distribute air, and a thermostat controls the system. AOR – additional oil recovery. Convectors . 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. Lightning Conductor Down Lead Penetration. Contact your local Nailor Representative for more information on how to order the complete Nailor catalog library. Rosemex Products AIR. The fan motor’s ability is shown on a fan curve. g. 7: Linear Motors and Generators is shared under a. Description. Lining: Internally lined with 3/4" thick fiberglass insulation, rated for a maximum air velocity of 5000 f. Cylindrically shaped inlets shall utilize the equal cross sectional area or log-linear traverse method. P873C1T31#yIS1. , offering a complete line of air distribution and air terminal products. 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. Archives. Y. the primary air valve. TDV-NT. The 35E unit is among the most versatile single-duct products on the market, offering a compact design with diverse control packages. The primary air is al-ways provided with a positive amount of outside ventilation air directly added to every module served by a 36R,T air terminal. AirTerminal:SingleDuct:Uncontrolled is the input. Perfect coupling implies infinitely high core magnetic permeability and winding inductance and zero net magnetomotive force (i. R can be calculated as a concentration ratio as follows: R = C in ⁄ C ex (1) where C in pollutant concentration at the air intake, μg/m3 C ex pollutant concentration at the air exhaust, μg/m3. Nine different 36S Series induction air terminals are available in lo-boy, horizontal and vertical configurations. In view of this, the URA has introduced an award-winning local invention – the bladeless Air Induction Units (AIUs) - into the soon-to-open public transport interchange at Yue Man Square, Kwun Tong. The high velocity air exiting the nozzle creates a vacuum and draws room air into the unit. Knowing the induction ratio for chilled beams can be beneficial when designing the building’s HVAC system. e. Low velocity design is very important for the energy efficiency of the air distribution system. An example would be Furnace or Central DX equipment. Accurate air flow control, configured to have a linear flow/stroke relationship. 4 and 0. They had no means for limiting the quantity of supply air. Gemini Splits. The induction unit receives the primary air and discharges it through nozzles that increase the air’s velocity. Available slot widths are 25mm, 38mm, 51mm, 64mm and 76mm. AOI – area of interest. The world's first commercial automated maglev system was a low-speed maglev shuttle that ran from the airport terminal of Birmingham Airport to the nearby Birmingham International railway station between 1984–1995. To prevent excessive air leakage, all cleat joints should be sealed with an approved duct sealer. METALAIRE Single Duct Air Terminal - Sizes 520-524 - TH-500. Download.