Our high induction linear products offer a wide range of design and application possibilities, integrated into either ceiling or sidewall applications. First, the primary air (air supplied by the IDU) discharges through the main air plenum into the mixing chamber through a series of nozzles. -20-15-10-5 0 5 10 15 20 25 30 0 10 20 30 40 50 qvr (m3. If you need to install the best-chilled beams in your space, EB Air Control Induction Chilled Beams are the best choice. 2 Pages. Series Fan Terminal with Sensible Cooling Coil. Traditional induction units do not have a local fan. In an HVAC system, the terminal unit is the point at which conditioned air is delivered to the space. 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. Nailor Industries, Inc. 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. When the current flowing through the coil changes, the time-varying magnetic field induces. Both of these devices incorporate a damper that automatically adjusts the air flow when the building controls (#Tridium, as an example) ask for cool air to be delivered into the space that particular VAV. 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. 1/3 larger than fan coil units. . Linear air curtain diffuser, material: 304 Stainless steel. The first VAV terminal units were pressure dependent. induction air if primary and fan match). Constant Volume Pneumatic Dual Duct Terminal. 33RL-SS. unit. i. • Units are tested by ETL Intertek in accordance with AHRI. The number of turns and layers of the wire. Induction beam terminals require significantly less primary air inlet static pressure than their induction terminal predecessors, generally between 0. However, they do come in 1×1 ft and other sizes upon. » Generates a high induction air pattern that maximizes throwGreater cooling output from the air handling unit is fed to induction units owing to the increased air volume, regardless of whether the cooling output is actually needed. 080 m³/h. • Units are tested by ETL Intertek in accordance with AHRI Standards 880. Carrier, the world’s leader in high-technology heating, air-conditioning and refrigeration. Single Duct Air Terminal • RF-3: Single Duct Control Valve (Round In - Round Out). that transfer to the receptor (outdoor air intake) location and re-enter the building. For linear diffusers, the flexible duct must be connected on the side of the plenum box rather than on the top. Basically, this is what controls the amount of cool air being blown into a room. This model is a prefect fit for hallways, corridors, office space, dor-mitory rooms, labs, etc. Constant Volume Pneumatic Dual Duct Terminal. Rosemex Products AIR. The rated per meter values are normalized by the linear dimensions of the beam and are generally obtained from product catalog data by. , Unit 1 Sayreville, NJ 08872 Phone: (732) 553-0038 Fax: (732) 553-1075SLL Linear Slot Diffuser. 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. INDEX VALVE FEATURES The VVS valve will provide accurate Applications . Linear air curtain diffuser, material: 304 Stainless steel. Air Conditioner Carrier 36XB Installation, Operation And Maintenance Instructions. ] [with remote temperature read and reset. Each has its own correct application. This can be done by pressing the “CTRL” key and then right-clicking an. com: Home; Products. The METALAIRE is the flagship brand of Metal Industries Inc. Colour anthracite. manufactures Air Control & Distribution products, VAV Terminal Units, Green Building products, Fan Coil Units, Electric Duct Heaters, Sound. Open the catalog to page 2. Maintain space temperature with room air motion characteristics of a constant volume system throughout the operating range for high levels of thermal comfort. Offering MODULINE® 37HS SYSTEM-POWERED AIR TERMINALS in Arlington Va, Washington DC, Maryland, & Northern Virginia. Trane Terminal Products Offer: Flexibility. 4 ty in job applications and reduced pressure applications and maintain Selection . The Nailor product catalog is the ultimate industry resource for information. Standard unit Air-balanced unitExhaust Discharge Stack Lighting Protection. The new LTG induction units with needs-based ventilation (type HFVsf), like previous units, function in a four-pipe system. When energized, the fan can be controlled for constant-speed or variable-speed. PEDV. The Combining Sensible Cooling with Traditional Terminal Units Webinar was held on July 18-19, 2017. The model 36IBAN is a one-way blow, ceiling-mounted induction beam that is linear in dimension. The Linear Induction Unit (LIU) is Price Industries’ solution to high latent applications. Ventilation. 20 gage, galvanized steel casing construction. Formed by a casing galvanized sheet steel, with internal insulation of thermoacoustic glass wool 30 mm thick coated with black fiber glass. Humidity within the building envelope is to be controlled to not exceed 55% relative humidity. Unlike traditional sensible only chilled beams, NuClimate Induction Beams can actively manage condensation which allows for increased design capabilities and more flexibility. , offering a complete line of air distribution and air terminal products. Traditionally, a Permanent Split Capacitor (PSC) type motor was employed in these air terminal units and was capable of local adjustment only. Cylindrically shaped inlets shall utilize the equal cross sectional area or log-linear traverse method. 1. Holes that are drilled in the duct for testing or balancing purposes are to be sealed with duct tape or duct sealer. Single Duct Boxes - 80 to 8,000 CFM. Single duct terminal units are at the core of today’s variable air volume (VAV) systems, regulating airflow to an occupied space. They are ideal for handling the. 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. Will this work to stop the unit from sucking intake air from the house? 1 Answer. The throw can therefore be reduced. 1. 4 Pages. RadiaTec-AL. Instead of. TDV-NT. It is designed to allow maximum flexibility in configuration and control. Signature Review Stamp Block. wg. 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. For linear diffusers, you are most likely going to decide between the diffuser length of 600mm or 1200mm. 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. 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. Learn how this system is both mo. 4. 30. We would like to show you a description here but the site won’t allow us. Supplied with a round inlet collar on unit sizes 6"-16. 10) Ensure that extension cords (if. 2A EP15719829A EP3094926B1 EP 3094926 B1 EP3094926 B1 EP 3094926B1 EP 15719829 A EP15719829 A EP 15719829A EP 3094926 B1 EP3094926 B1 EP 3094926B1 Authority EP European Patent Office Prior art keywords air nozzles venturi cluster primary Prior art date 2014-01-16 Legal status (The legal status is. The fan in series of fan-powered units is always energized in occupied mode. mark air valves CV, VV & VVS. Terminal units with fan – HVFS. The primary air valve assembly contains an inlet tube, damper, and airflow sensor. 5 ft If units cannot meet range requirements, recalculate the number of units. Selection of a Backdraft Damper283-287 Sir Donald Bradman Drive Brookyln Park SA, 5032 t: 08 6333 0313 e: adelaide@shapeair. 3. Single Duct Terminal Unit with Factory Mounted Valve Package. 0 ft Maximum throw — 37HS2 at 177 cfm = 11. Terminal. 1 The excitation harmonic series 161 5. Stator and rotor windings are connected in wye to an internal neutral. 2 Pages. 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. Download. i p n p − i s n s = 0). E. 5X11 . 1. 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. A typical fan selection at these conditions with about a 75% efficiency would have a fan brake horsepower requirement of about 47 kW. Convectors . Linear Control. 1 VENTILATION. An air terminal induction chilled beam combines the benefits of air terminal units and chilled beam technology to deliver exceptional cooling performance. METALAIRE Short Mixing Dual Duct Air Terminal Unit - DS600 . ] [induction damper][,][. If you need to install the best-chilled beams in your space, EB Air Control Induction Chilled Beams are the best choice. 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. ] [and automatic volume control. m. 4” -1. METALAIRE is the flagship brand of Metal Industries Inc. TDV-NT. The primary-air damper in the terminal unit is controlled by a thermostat in the. Constant Volume Pneumatic Dual Duct Terminal. terminal units, etc. e. Features such as advanced sensor technology, a wide range of product sizes and air flows, low sound levels, increased hot water coil selections, and innovative options establish Price as an. Fan Powered Air Terminal Units - Parallel and Series - 150 to 5,600 CFM. These devices can be for aesthetic or functional (direction and control) purposes with a wide. One is to minimize the sound generation of the. 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). 5 and 12 inches casing height. 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. It is also determined by several factors, such as. There is a misconceived trend to oversize terminal unitshigh as that of the linear motor in the compressors. Download. AOL – arrive on location. Gemini Splits. It provides a constant volume of. Cylindrically shaped inlets shall utilize the equal cross sectional area or log-linear traverse method. After more than 70 years, Price remains a privately held family company with a deep heritage and commitment to innovation and service. It can be equipped with swirl diffusers or perforated face. This applies to all accessory connections as well as the basic fan powered terminal unit. 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. Enhance your space with superior air quality. The 35J round tube, single-duct unit provides cooling only to meet retrofit and special application needs. Linear Transportation Systems Using Induction Motors. The purpose of variable air volume (VAV) control is to regulate the air flow to a specific zone to maintain the dry bulb temperature for a desired level of occupant comfort. This eliminates the need for an electric motor, its power source and the related maintenance. Ø 125 - 250 mm. X-CUBE compact. Ductless Ceiling-Mounted System. Ducted and radiated NC levels . APD – application for permit to drill. ] [induction damper][,][. 2. The small size of the unit ensures an easy fit in all applications. We can define the function that determines the inductor flux. Aluminum louvered face diffuser with induction vanes, for narrow tee ceilings. We have already gone through different parts of a Linear Power supply. , offering a complete line of air distribution and air terminal products. RadiaTec-AL. In this case, the unitOverview. A total of nine units in power range from 600 to 6. 8mm, 1mm, and 1. The room terminal may be an induction unit or a fan–coil unit. 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. 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. Induction Units. 3. 29 33. 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. 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. Nailor Industries, Inc. Ideal transformer. • VAV box Capacities range from 40– 4000 CFM in 7 sizes. High Efficiency Horizontal Ducted System. METALAIRE is the flagship brand of Metal Industries Inc. 2mm thickness aluminum extruded material options to meet the economic and high-end demands from different customers. Terminals are provided with UNC threading and are. , volume of air supply can be varied. h-1)The 500-YCI provides cooling through the primary air valve. Water-control Weathermaster induction systems use 36S Series induction air terminals for economical air conditioning in office buildings, hotels, schools, and apartments to provide year-round comfort in each room. When establishing the required air volume for each space, one should. The IHK ceiling-mounted induction units are terminal units for central air conditioning installations that provide solutions to meet the needs of the following:. 2. They had no means for limiting the quantity of supply air. Features. It is housed in a sheet metal enclosure and is. These air terminal devices and heating products offer high-quality controls for efficient operation, and flexibility construction that can assure easy installation and service. Fan should be adjusted with primary air at maximum set point to ensure that no supply air is discharged at the induction port. The standard contains very detailed procedures that are to be followed for the testing and certification program associated with this standard. Deep noise real high capacity units are also available with a high induction ratio. in a size 40 Price FDCG series terminal unit. , volume of supply air cannot be varied. mark air valves CV, VV & VVS. 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. nVent ERICO air terminals, masts and support products are offered in a range of base materials and surface platings, including aluminum, copper and nickel, making them ideal for a variety of applications. 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. It has been designed to work as part of a dedicated outdoor air system (DOAS). 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. 30 – 1. 97. , offering a complete line of air distribution and air terminal products. 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. PEDC. Lining: Internally lined with 3/4" thick fiberglass insulation, rated for a maximum air velocity of 5000 f. Sizing an induction terminal unit is relatively simple; the room Summer and Winter HVAC load is calculated which includes transmission loads (walls, glazing, etc. 1900 - Linear Slot Diffuser; 6100/56100 - Lay-in and Surface Mount Perforated Face. 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. The EnergyPlus model of the four pipe induction terminal unit is a compound component consisting of a hot water heating coil, a chilled water cooling coil, and an air mixer. 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. Presented by David Szemborski, Randy Zimmerman and David Pich, this webinar focused on DOAS, sensible cooling with terminal units and the best applications for these products. They permit an ideal distribution of treated air inside the room plus effective removal of thermal loads, essential for health and wellbeing. METALAIRE Single Duct Air Terminal - Sizes 520-524 - TH-500. £104. AOF – absolute open flow. Spare filters can also be ordered and ship loose. The coil is connected either to a single inlet and outlet pipe (2 pipe unit) or to 2 inlets and 2. Electric heat is available as 208/ 60/1, 230/60/1, 277/60/ 1, 208/60/3, or 480/ 60/3. Single Duct Terminal Unit with Factory Mounted Valve Package. • Induction units are approx. They are an excellent choice when plenum spaces are tight and minimal zone heating is needed. greater detail in the section on Fan-Coil Units and in Chapter 12. Explore top-notch Induction Units at EB Air Control - Scale Floor Mounted Induction Unity. By adapting to the specific needs of virtually any project requirement — for faster, less. The variable and significantly reduced air volume of 30–50 m³/h is now, regulated via nozzles, which are adjusted by a space-saving linear actuator (CH 24-SC-R40) developed specifically by Belimo for this application. That means it would not disrupt the entire HVAC system of the. A forced-air HVAC system consists of a heating or cooling device and a blower housed in an air handler. The dual duct all-air system is a terminal-controlled modification of the multi-zone concept. Single Duct Terminal Unit with Factory Mounted Valve Package. 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. Heat And Makeup Air, 12100 BTUH, 265V. The DLSC is a fan powered terminal unit that features a sensible cooling coil. Linear induction machine (LIM) in urban transit suffers greatly from poor efficiency due to the large air-gap length and the end-effects, including both transversal edge- and longitudinal end. A Linear Induction Motor LIM commonly used in propulsion has attracted much attention compared with the rotating induction machine drive system. The unit features improved energy efficiency and performance, providing increased value and benefit to the building owner. Air Terminal Devices; High Induction Linear. The fan produces forced convection across the heat exchanger, which circulates either hot or cold water to provide conditioned air to the space. The air terminal units are capable of stand-alone operation, however, optimum functional benefits are derived when network. 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 tesla (symbol: T) is the unit of magnetic flux density (also called magnetic B-field strength) in the International System of Units (SI). Air Terminal Units JAN-2018. RadiaTec-AL. Compact size. 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. Low velocity design is very important for the energy efficiency of the air distribution system. VAV terminal units are controlled with automatic controls that operate as either pressure-dependent or as pressure-independent. The primary air source provides continuous air mo-tion and circulation throughout the room. PEDC. Level unit by adjusting two No. Recheck the fan and primary airflows when the damper is reset to the minimum set point. Aluminum louvered face diffuser with induction vanes, for narrow tee ceilings. The 35E unit is among the most versatile single-duct products on the market, offering a compact design with diverse control packages. Single Duct Terminal Unit with Factory Mounted Valve Package. The 35N units offer a compact design with diverse control packages. Learn more about EB Air Linear Air Terminal Induction Unit and related. New Product: PAC Learn how our new line of portable air cleaners can help you improve air quality in confined spaces. CAT- 2023 2023 HTS Product Catalog . 2 The double harmonic analysis 160 5. A complete product line of air terminal units range from the basic single-duct unit to an unmatched Series FCQ ultra-quiet fan-powered terminal unit. Chilled beam induction units, with their quiet operation and energy. 6185 Tomken Road, Unit 1-2 Mississauga, ON, L5T 1X6:. UFAHEPA filter terminal units. Learn more about the parts of the. A plenum box can be found on a linear diffuser, swirl diffuser, 4-way diffuser and many other types of diffuser. The amount of air that is entrained (Q induced) vs. 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. Unit Size 30 Water Pressure Drop Air Pressure Drop WATER FLOW AIRFLOW HEAD LOSS (WATER PRESSURE DROP. terminal units, etc. If the total static. ÐÏ à¡± á> þÿ B D. Like all HVAC equipment, there is a time and place for everything, and sensible cooling. and these compete favorably with permanent magnet linear synchronous machines. PEDC. The two. The valve of the reheat coil modulate only if the room thermostat is in need. 45 to 3,700 Nominal Cfm. 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. 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. PEDV. Universal cover. Suitable for low, medium, or high pressure applications. 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. 12. Typical thrust densities for these machines are in the range of 150 kN/sq. These systems provide an alternate solution to addressing ASHRAE 62. Imperialine ® 4000 Supply Grilles perform efficientlyAir Terminal Devices; High Induction Linear. This unit is available in 2x2 ft with a 2-way grille that dis-charges on one side and returns on the other. Enhance your space with superior air quality. Zone control X-AIRCONTROL. Terminal units are designed to allow maximum flexibility in configuration and control. Linear air curtain diffuser, material: 304 Stainless steel. position of base unit with respect to enclosure. 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. New Jersey. FPIUs use efficient variable speed motors which provide separate control for outdoor air and recirculated room air. 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. ent terminal devices, such as fan coils, water source heat pumps, unit ventilators and air induction units also behave acoustically the same as ‘boxes’. Hang base unit on wall-mounting strip, using center lines for reference. ). Linear air curtain diffuser, material: 304 Stainless steel. 3. Archives. Price would be pleased to assist in developing a specification for your specific need. 6 33. 2495 300. 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. Back;. Fan powered units have optional 1" or 2" filter racks with filters. Linear air curtain diffuser, material: 304 Stainless steel. The measuring instrument called a potentiometer is essentially a voltage divider used for measuring electric potential (voltage); the. 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. The IHK ceiling-mounted induction units are terminal units for central air conditioning installations that provide solutions to meet the needs of the following:. High/low ceiling airflow settings and automatic vane control personalize room comfort. In order to define the inductor flux, we need to modify the netlist. This unit is available in 2x2 ft with a 2-way grille that dis-charges on one side and returns on the other. The unit was announced during the General Conference on Weights and Measures in 1960 and is named in honour of Serbian-American electrical and. A terminal unit is a device that is used to regulate the volume of conditioned primary air from the central air handler to the occupied space. Regardless of whether inductive, displacement, or procondive ventilation is required, TROX and HESCO always offer the ideal diffuser. Figure 3. Useful in a variety of commercial and educational applications, like classrooms, office. 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. EP3094926B1 EP15719829. 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. 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. chilled beams are linear, no ability to change the throw of the unit. These air terminal devices and heating products offer high-quality controls for efficient operation, and flexibility construction that can assure easy installation and service. Constant air volume terminal units – KSV. It is housed in a sheet metal enclosure and is. during the occupied mode. METALAIRE Short Mixing Ultra Low Leakage Dual Duct Air Terminal Unit - DS600 ECO. Users, however, currently have the ability to export 3D Autocad 2 DXF files from AHUBuilder for 39M units. 6185 Tomken Road, Unit 1-2 Mississauga, ON, L5T 1X6 905-670-2277 info@ebaircontrol. 00 260 Days per Year 12 Hrs per DaySuchen top-notch Induction Units at EB Air Control - Perimeter Bottom Mounted Induction Unit. The primary air is supplied to the Induction Unit at a constant volume. 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. Engineered for outstanding. 6185 Tomken Road, Unit 1-2 Mississauga, ON, L5T 1X6HVAC – Heating – Air Conditioning Repair Experts at Perryaire. 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. PEDC. 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 manufacturer of the linear fan terminal shall provide performance data for air volume, initial pressure drop, and heating and cooling element performance. Single axis sensor shall not be acceptable for duct diameters 6" or larger. Biyang Linear Diffuser provides 0. 2. ESV-VP. The 35E single. Integral induced air sound attenuator. Linear, multiple-point, averaging velocity sensor with an amplified signal. The indoor terminal device is the radiant induction-unit (RIDU). Call. Ventilation achieved with primary air . 40. reference it to a specific air velocity, which is called the terminal velocity. Air Terminals Comfort from the inside out. Directional diffusers are considered standard HVAC supply air diffusers. Air Terminal Devices; High Induction Linear. The air handler will deliver a constant temperature of 55ºF (13 ºC) supply air to the VAV boxes. The 35E unit is offered in 10 sizes with air delivery range from 75 to 5995 cmh. The clusters can be arranged according to predetermined patterns depending on the pattern. 00 $200.