Linear Grilles are recommended for supplying heated, ventilated or cooled air and for returning or exhausting room air. GE AZ9VH12EBM Zoneline Vertical Heat Pump PTAC w/ Elec. Offering MODULINE® 37HS SYSTEM-POWERED AIR TERMINALS in Arlington Va, Washington DC, Maryland, & Northern Virginia. Additionally, our terminal units are available with options that control sound for quieter systems and special surface treatments that help ensure higher air quality levels for healthcare facilities like hospitals or high-tech manufacturing. Ø 125 - 250 mm. induced plenum air by using a continuously operating fan . Titus offers several types of units to match the many styles of mechanical systems used in buildings. PEDC. The 35E single duct unit provides cooling only or cooling with. The cooled air is delivered to the space through the terminal's fan. The unit contains a small fan that acts to induce the secondary air and a heating coil for heating the mixed. The simplest VAV system incorporates one supply duct that, when in cooling mode, distributes approximately 55 °F (13 °C) supply air. Maintain space temperature with room air motion characteristics of a constant volume system throughout the operating range for high levels of thermal comfort. Refer to the Optimum Air Throw table and locate units within min/max air throw range. This is ceiling mounted air distribution product that delivers high volume/capacity of heating/cooling for a given space. Induction beam terminals require significantly less primary air inlet static pressure than their induction terminal predecessors, generally between 0. 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. These systems provide an alternate solution to addressing ASHRAE 62. It consists of a plenum box made from polystyrene with a circular intake on the side. 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. Contact us to inquire more about Linear Air Terminal Induction Unit for your area. Available thicknesses are 1/2" and 1". Instead of. We offer two patented, pre-engineered, VAV systems that are ready to “Plug and Play” upon delivery, the VAV Ready Unit® (VRU) and the Delta Zone Control Unit® (ZCU). 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. Primary air is pushed through an array of nozzles creating a venturi effect or. Unfortunately, we do not carry fresh air kits that are made for masonry. An example would be Furnace or Central DX equipment. They had no means for limiting the quantity of supply air. EnergyPlus Object - AirTerminal:SingleDuct:VAV:SeriesPIU. The best option is to replace the aging induction units with EB Air’s latest systems. 7: Linear Motors and Generators is shared under a. Regulator incorporates auto mechanic without need of external energy. Instead of changing the air temperature before it reaches the terminal unit, the mixed air passes over a heat exchanger housed within the unit itself. 6185 Tomken. Enhance your space with superior air quality. For volume flow rate ranges up to 28836 m³/h or 8010 l/s; Suitable for the control of volume flow rate, room pressure or duct pressureQUALITY AIR DISTRIBUTION PRODUCTS Air Terminal Induction Chilled Beam An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its. Chilled beam induction units, with their quiet operation and energy. Round inlet sizes from 6 in. 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. can be combined with façade ventilation units to provide demand-based ventilation and extract ventilation and enable the. PEDV. A total of nine units in power range from 600 to 6. 5 36SV 1 0 F R 0 1 0 --Two-Pipe Air Terminal s 36SV – Vertical Base Unit 36SH – Horizontal Base Unit 36SL – Low Base Unit 36SC – Vertical High-Capacity Base Unit with Recovery Stack 36ST – Vertical Two-Coil B ase Unit with Recovery Stack Four-Pipe Air Terminal s 36SD – Vertical Base Unit 36SJ – Horizontal Base Unit 36SM – Low Base. 2mm thickness aluminum extruded material options to meet the economic and high-end demands from different customers. 3. The slim body design fits into shallow ceiling cavities making the EZ FIT a popular selection for room upgrades or new construction projects. This eliminates the need for an electric motor, its power source and the related maintenance. position of base unit with respect to enclosure. Nine different 36S Series induction air terminals are available in lo-boy, horizontal and vertical configurations. 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. Download . This page titled 10. 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. 5 dB) Maximum cooling power in a tight space: Up to 2020 W in size 1200, and still 1580 W in the smallest version with 900 mm unit width. Accurate air flow control, configured to have a linear flow/stroke relationship. The 35J round tube, single-duct unit provides cooling only to meet retrofit and special application needs. 800 700 600 500 400 300 200 100 0 $400. 45 to 3,700 Nominal Cfm. Contact us to inquire more about Linear Air Terminal Induction Unit for your area. 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. 2495 v∞(m s−1) 1704. The small size of the unit ensures an easy fit in all applications. 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. An inductor, also called a coil, choke, or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it. 4 ty in job applications and reduced pressure applications and maintain. (4)For units equipped with ECM motors, set the primary air dampers as described in (3). Ceiling Diffusers . Induction Terminal Chilled Beam. Horizontal hierarchy representation of the main types of central HVAC systems. 1 VENTILATION. Terminal units must be in an easily accessible location for its particular zone, which may complicate the system design. 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. Division of Technical Resources Title Block 8. 4 and 0. The 35J round tube, single-duct unit provides cooling only to meet retrofit and special application needs. 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. Filters are installed at the fan air intake and have a MERV 6-7 rating. Price is an Industry leader in the sales of HVAC related products for highly specialized environments like Laboratories, Clean Rooms and Hospitals. Explore top-notch Induction Units at EB Air Control - Perimeter Floor Mounted Induction Unit. Particularly for the linear diffuser, a plenum box is critical to its airflow distribution. ESV-VP. Recent improvements in PIU (Perimeter Induction Units) efficiency have led to owners, engineers, and architects searching for replacement models that are capable, adaptable, and able to deliver within a specified blanket space. The unit features improved energy efficiency and performance, providing increased value and benefit to the building owner. This model is a prefect fit for hallways, corridors, office space, dor-mitory rooms, labs, etc. Electric Single Duct Terminal. The centrally conditioned air supplied to the induction terminal units is constant volume at quite high pressure. ADPI is more difficult to calculate, eliminating your ability to meet the requirements of ASHRAE 55. Back;. ductwork and smaller air-handling units than a variable-air-volume (VAV) system. chilled beams are linear, no ability to change the throw of the unit. through 16 in. HVAC – Heating – Air Conditioning Repair Experts at Perryaire. Useful in a variety of commercial and educational applications, like classrooms, office. Formed by a casing galvanized sheet steel, with internal insulation of thermoacoustic glass wool 30 mm thick coated with black fiber glass. 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. 3. 249505 teslas. Doubling the duct diameter reduces the friction loss by factor 32. Critical. Maximum control. METALAIRE is the flagship brand of Metal Industries Inc. 81 -20%. Single Duct Terminal Unit with Factory Mounted Valve Package. (a): Model IHK standard induction terminal unit IHK-F induction terminal unit, supply and return in the same grille IHK-V perimetral induction terminal unit (b): Length IHK :. In this paper we proposed the novel air-conditioning system which combined induction ventilation and radiant air-conditioning. Linear air curtain diffuser, material: 304 Stainless steel. Contact us to inquire more about Linear Air Terminal Induction Unit for your area. The main feature that distinguishes induction units from other systems is the use of nozzles rather than fans in the terminal unit. Most often, throw is referenced to terminal velocities. AOL – arrive on location. Aluminum louvered face diffuser with induction vanes, for narrow tee ceilings. The IHK ceiling-mounted induction units are terminal units for central air conditioning installations that provide solutions to meet the needs of the following:. and these compete favorably with permanent magnet linear synchronous machines. WeatherMaster. Linear air curtain diffuser, material: 304 Stainless steel. 20 to 130 Cfm. API – American Petroleum Institute: organization which sets unit standards in the oil and gas industry. 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. -20-15-10-5 0 5 10 15 20 25 30 0 10 20 30 40 50 qvr (m3. p. £104. Features. When there is a current I 2 in the solenoid S 2, the magnetic. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat. Air volume damper [,] [. Holes that are drilled in the duct for testing or balancing purposes are to be sealed with duct tape or duct sealer. While the supply air temperature stays constant the volume (CFM) of air will vary based on the total demand of all the zones on the system. i. Tuttle & Bailey® air terminals were built in a variety of sizes to deliver from 100 to 2600 CFM. Linear slot diffuser for ceiling or wall installation that suits demanding environments. This unit is available in 2x2 ft with a 2-way grille that dis-charges on one side and returns on the other. 1-3. 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. Rooftop. • VAV box Capacities range from 40– 4000 CFM in 7 sizes. Explore top-notch Induction Units at EB Air Control - Scale Floor Mounted Induction Unity. Recheck the fan and primary airflows when the damper is reset to the minimum set point. 2 Pages. Enhance your space with superior air quality. Gemini Splits. Enhance your space with superior air quality. 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. Fan powered terminal units are designed to deliver a specific amount of air to the conditioned space to maintain the comfort for the occupants. Aluminum louvered face diffuser with induction vanes, for narrow tee ceilings. eliminate the critical balancing of pri- Linearisation output module (LOM) 21 mary air serving induction units. 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. 36IB Induction Beam Air Terminal UnitsThe LIM windings of phase A are as shown in Fig. New Jersey. Options. The air handler will deliver a constant temperature of 55ºF (13 ºC) supply air to the VAV boxes. A series fan powered terminal unit mixes primary air with . Sound power levels . All stator connections are accessible on the block. 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. , offering a complete line of air distribution and air terminal products. With their compact design and versatile installation. Slide-In Unit • RF-13 : Internal Retrofit Kit for Titus Air Terminals : Jet Induction Terminals •. 2495 300. Directional diffusers are considered standard HVAC supply air diffusers. Fig. Ducts distribute air, and a thermostat controls the system. Engineered for outstanding. The magnetic flux of NdFeB magnets is three times as much as that of the ferrite; dimensions of the moving magnet linear motor can be keptAll NuClimate Induction Beams are equipped with drain pans that meet the International Mechanical Building Code. 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. 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. Contact your local Nailor Representative for more information on how to order the complete Nailor catalog library. The terminal fan makes up theInduction Motor Equations ENGN1931F – Spring 2017 2 Let ω ω ω L R S and be the angular velocities of the magnetic field (line frequency), rotor, and slip respectively. 37 pg. High capacity single slot linear diffuser available in five slot widths, offering an attractive alternative to traditional multi-slot designs. Ventilation. METALAIRE is the flagship brand of Metal Industries Inc. However, they do come in 1×1 ft and other sizes upon. METALAIRE Short Mixing Ultra Low Leakage Dual Duct Air Terminal Unit - DS600 ECO. Figure 4 presents the serial fan power terminal unit and control se quence. 4 not recommended or not sold by the air pump manufacturer may cause an unsafe condition. FPIUs use efficient variable speed motors which provide separate control for outdoor air and recirculated room air. g. This chapter describes outlets, terminal units and cooling/heating delivery systems commonly used for effective room air distribution. 75], T100 [T0. Perimeter induction units – usually located under windows – blend primary air from the air-processing unit with secondary air from within the room. Flow velocity in air ducts should be kept within certain limits to avoid noise and unacceptable friction loss and energy consumption. The rotor has to rotate at an rpm less than that ofApplication Example: Consider a ducting system connecting FOUR Reception halls served by only 1 AHU (see Fig-1). Single Duct Terminal Unit with Factory Mounted Valve Package. A backdraft damper ahead of the terminal fan. 2 db (A) at 45 or respectively 60 m³/h of primary air (sound pressure level LPA with room attenuation of 3. A forced-air HVAC system consists of a heating or cooling device and a blower housed in an air handler. 1/3 larger than fan coil units. It is designed to allow maximum flexibility in configuration and control. This winding is traced from the Flux density when only phase A is energized and observed finding the Y component of flux density as shown by CRO. 30. The fan motor’s ability is shown on a fan curve. Suitable for low, medium, or high pressure applications. Induction units, which are directly connected to the air duct system, allow air to flow through nozzles throughout the whole space. The model 36IBAN is a one-way blow, ceiling-mounted induction beam that is linear in dimension. HVAC designers have several goals to meet when sizing a terminal unit inlet. Terminal. 00 $200. WASHINGTON, DC. Back To Air Terminals. Each room requires a separate chilled beam system with its own piping connection. The primary-air damper in the terminal unit is controlled by a thermostat in the. An electric generator is mechanically identical to. Single axis sensor shall not be acceptable for duct diameters 6" or larger. Fan Powered Air Terminal Units - Parallel and Series - 150 to 5,600 CFM. Reduces cabinet radiated noise with all types of Air Terminal Units, In-line fans and plenum suspended air handlers; 4 to 6 dB(A) typical reduction of radiated sound; Model PWN-250 panels are standard; Models PWR-350 or PWA-500 where Class A flammability is required. 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. The objective is to obtain the best possible air quality in the occupied zone, and stable, homogeneous ambient temperatures. Constant Volume Pneumatic Dual Duct Terminal. There are variations of this concept that include reheat, dual duct and fan induction applications. PEDV. Airflow Range (Cfm): 60 - 1,285. The terminal units are usually mounted either under the window or in a ceiling void from which a number of. Additionally, our terminal units are available with options that control sound for quieter systems and special surface treatments that help ensure higher air quality levels for healthcare facilities like hospitals or high-tech manufacturing. A central air handling unit provides two conditioned air streams such as a cold deck and a hot deck, as shown in Figure 7. Electric heat is available as 208/ 60/1, 230/60/1, 277/60/ 1, 208/60/3, or 480/ 60/3. F. Download. Capable of inducing up to 10 times of air movement as compared with conventional mechanical fan systems, the AIU can improve. TDV-NT. Protect your facility by directing lightning strikes to air terminals or lightning rods. METALAIRE Single Duct Air Terminal - Sizes 520-524 - TH-500. Integral induced air sound attenuator. Typical thrust densities for these machines are in the range of 150 kN/sq. Back To Air Terminals. 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. Our high induction linear products offer a wide range of design and application possibilities, integrated into either ceiling or sidewall. Biyang Linear Diffuser provides 0. that transfer to the receptor (outdoor air intake) location and re-enter the building. Learn how this system is both mo. Spare filters can also be ordered and ship loose. 043996 0. Terminal units are designed to allow maximum flexibility in configuration and control. They deliver a much higher air volume capability than conventional multiple slot linear designs. Perfect coupling implies infinitely high core magnetic permeability and winding inductance and zero net magnetomotive force (i. Catalogs are. PEDV. 7) Do not install pump where it will be exposed to weather, do not store pump in temperatures below freezing. METALAIRE is the flagship brand of Metal Industries Inc. ] [and automatic volume control. The dual duct all-air system is a terminal-controlled modification of the multi-zone concept. Unitary Systems. Terminal units will require periodic maintenance in addition to usual attention paid to the central unit. They deliver a much higher air volume capability than conventional multiple slot linear designs. Linear floor heaters handle regular foot traffic and do not intrude on wall space, making them well suited for offices, lobbies, and even schoolsInduction unit. Available slot widths are 25mm, 38mm, 51mm, 64mm and 76mm. Cylindrically shaped inlets shall utilize the equal cross sectional area or log-linear traverse method. Selection of a Backdraft Damper283-287 Sir Donald Bradman Drive Brookyln Park SA, 5032 t: 08 6333 0313 e: adelaide@shapeair. com Steel heavy duty filter grille, 1/2" blade spacing, 38 degree deflection, blades parallel to short dimension. Figure 6. Central system air is usually supplied to a zone through a terminal unit such as a single duct VAV reheat box. 40 B (T) v ∞ ( m s − 1) t ¯ s 0. mark air valves. Pneumatic Dual Duct Terminal. Ideal. INDUCTION. 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. Weathermaster induction systems with 36S Series air terminals provide economical operation with space saving installation. Also, the induction terminal unit operates simultaneously with heating and cooling, wasting energy as in a. Table 13. AOI – area of interest. 1 VENTILATION. Universal cover. Ø 125 mm. With Swegon, fresh air quantity is usually doubled when compared to the minimum requested by design, creating a healthy and very pleasant environment. Retrofitting these Tuttle & Bailey® air terminals requires removing the mechanical regulator(s) and replacing it (them) with a single, panel mounted retrofit valve equipped with a multi-point air flow. The Miracle Air delivers fresh clean breathable air- from a high-performance superior air cleaner that contains the same powerful robust odour control components found in industrial and commercial air filtration units. Then, a relative low-pressure zone is created. Air Terminal Devices; High Induction Linear. 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. Use central fan system static pressure (as low as . - Jan. Series Fan Terminal with Sensible Cooling Coil. XG-BP-600 Series. The most sophisticated modern thermostats are Wi-Fi enabled, allowing you to change the program settings remotely using a mobile device. One tesla is equal to one weber per square metre. Enhance your space with superior air quality. 45 to 3,700 Nominal Cfm. New Product: PAC Learn how our new line of portable air cleaners can help you improve air quality in confined spaces. Fan powered units have optional 1" or 2" filter racks with filters. 8 in. , offering a complete line of air distribution and air terminal products. 25] respectively. Download. 0440 0. 5X11 . Due to the diversity of their function areas, airport buildings have to meet complex requirements for their air-conditioning technology. View Details. Single Duct Terminal Unit with Factory Mounted Valve Package. 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. , offering a complete line of air distribution and air terminal products. They had no means for limiting the quantity of supply air. P873C1T31#yIS1. ELECTRICALLY COMMUTATED MOTORS A requisite element of an ac induction motor is rotor slip. In order to define the inductor flux, we need to modify the netlist. application of the FDV relies on the primary air to meet the cooling demand, similar to a single duct terminal unit. Price would be pleased to assist in developing a specification for your specific need. Options. 4- or 2-pipe units for. m. 6 VAV-SVX08P-EN Model Numbers Single-Duct VAV Units Digit 1, 2— Unit Type VC = VariTrane™ Single—Duct Digit 3— Reheat C = Cooling Only E = Electric Heat W = Hot Water Heat Trane® offers an array of space and energy-saving fan-powered options to suit the space that needs optimal heating and cooling. They deliver a much higher air volume capability than conventional multiple slot linear designs. Linear Control. • Units are tested by ETL Intertek in accordance with AHRI. PEDV. TheMETALAIRE is the flagship brand of Metal Industries Inc. 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. Maximum control. 0 ft Maximum throw — 37HS2 at 141 cfm = 9. At the heart of our VAV Terminal Units is our pioneering and patented Aerofoil Control Valve, which provides industry leading performance any way you look at it. The Linear Induction Motor (LIM) is another type of low cost, low maintenance linear actuator for medium/high speed application. Linear Transportation Systems Using Induction Motors. $3,056. Stainless Steel Heavy Duty Return Grille, ¾” Blade Spacing, 45° Deflection. Typical Lab Bench Elevation. Displacement & Chilled Beams / Underfloor / Terminal Units / Fan Coils & Air Handlers DVBC TAF-V DVRI-HCS ESV DVIR LHK CBAL (-12, -24) T3SQ-2 pg. Electric heat coils operate on the same voltage as the unit, except for units with 480/60/3 electric heat. X-CUBE compact. Y. Single Duct Terminal Unit with Factory Mounted Valve Package. 6 33. B-weight and D. In the EnergyPlus simulation program, these units are referred to as powered induction units (PIU’s). 23 36 16 – Variable Air Volume Units . Terminal units will require a power source to operate, resulting in extra electrical wiring. Electric Single Duct Terminal. Constant Volume Pneumatic Dual Duct Terminal. It is an alternative to a conventional VAV system which draws a line between dehumidification and ventilation. 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. Note: Do not insert duct work inside the inlet collar of the Air Terminal. This can be done by pressing the “CTRL” key and then right-clicking an. The Asynchronous Machine SI Units and Asynchronous Machine pu Units blocks implement a three-phase asynchronous machine (wound rotor, squirrel cage, or double squirrel cage) modeled in a selectable dq reference frame (rotor, stator, or synchronous). 3 Compact, lightweight permits flexibili- air volume control in all low or high Operation . When establishing the required air volume for each space, one should. 5 ft If units cannot meet range requirements, recalculate the number of units. The total room air circulation is created solely by the induction principle within the terminal. Face velocity is the off coil air velocity. 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. The two. Single Duct Terminal Unit with Factory Mounted Valve Package. 2 The double harmonic analysis 160 5. The terminal unit types listed below are the most common. m. Ruskin Ruskin Aluminum and Steel Louvered Penthouses PH837 . An electric motor is an electrical machine that converts electrical energy into mechanical energy. 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. 10) Ensure that extension cords (if. Carrier’s induction units utilized the similar principle of high velocity jet air inducing space air across a coil, but were primarily provided as “under-window” units similar in. 9) Read and observe all important markings on pump. 4 — Hanging Base Unit Step 2 — Make Air Connections (see Fig. 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. This results in the system being able to operate down to 20% primary airflow without cold air dumping from the air diffusers. Flexible, high performance units The 35E unit single duct variable air volume (VAV) unit provides cooling only or cooling with reheat to meet all your application needs. CONNOLS-AIR DDC microprocessor based V750 air terminal units are the latest, state-of-the-art, high quality terminal units, that provide good control accuracy and capabilities required in every modern intelligent building. The unit has two inlet air streams: the centrally conditioned supply air and the induced air from the zone. Linear Diffusers. terminal units, etc. Single Duct Boxes - 80 to 8,000 CFM. High/low ceiling airflow settings and automatic vane control personalize room comfort. INDUCTION UNITS Figure 1 shows a basic arrangement for an induction unit termi-nal. RadiaTec-AL.