LindabPodium. Supply air beam. lindab we simplify construction
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1 lindab we simplify construction Lindab Lindab Ventilation. All forms of reproduction without written permission are forbidden. is the registered trademark of Lindab AB. Lindab's products, systems, product and product group designations are protected by intellectual property rights (IPR).
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3 Use Lindab's supply air beam is the lightest supply air beam available on the market. is Capella's sister product; the difference between the two beams is that also uses supply air. is mounted on the ceiling and supplies cooling through natural convection and radiation, which results in a draught-free climate. 35% of the cooling supplied by comes from radiation and the rest from convection. Compared to a conventional beam, provides a significantly higher cooling effect at lower room temperatures. can be provided with the following features: Regula Secura condensation guard, valves and actuators, etc. offers many possibilities and great flexibility; for example, you can have coated in any colour you want. Installation Worth noting is the lightest supply air beam available on the market, a beam 6.0 m long, with a width of 53 cm and a weight of only 28.8 kg. has flat and easily accessible surfaces, which helps maintain a good indoor hygiene. Furthermore, the height of is only mm, which contributes to its great freedom of placement. Lindabs active chilled beams are Eurovent-certified and tested according to EN-116. Key figures Length: Width: Height: Capacity: mm (steps of 0 mm) 170, 350, 530, 600 mm mm 1420 W Calculation setup Room temp: 25 C, Water temp: C, Air temp: 18 C, Nozzle air pressure: 80 Pa, Air flow: l/s/m is installed either suspended or recessed in a ceiling. can be delivered with different connection alternatives. The connection dimensions depend on if the chilled beams are to be installed individually or in series. 3
4 Function has two functions, in part a supply air terminal, and in part a chilled beam. The supply air is fed and distributed inside the supply air beam. The air then passes through the gills on the bottom of the beam and ventilates the room. With its design, scores a very high airchange efficiency value. Tests show that the supply air beam has an air-change efficiency of 64%, which is high compared to other methods of supplying air. When cold-water passes through, both the warm air from the room and the supply air is cooled on the beam's cold surfaces. A considerable mixing of warm room air takes place inside the supply air beam, which means that the temperature of the supply air released from the beam rises. The mixed air then streams through the supply air beam and down into the room. This leads to air circulation in the room, where warm air from the room is continually replaced by cooler air. There are two decisive factors characterising. 1. Low draught risk: Compared to other brands, Lindab's world-patented technology provides direct heat exchange between the cold surfaces of the beam and the warm surfaces of the room via lowtemperature radiation. The radiation quotient for is approx. 30 to 35 % of the total effect. This is a high radiation quotient compared to conventional beams with finned batteries, and this means that the convective share of the cooling effect is lower with. With a given airflow, this results in a higher supply air temperature after the air has passed through the beam. This means that the risk of draughts under the beam is low. 2. Flexible placement: The supply air is fed to the room from the bottom of the beam. This results in a low draught risk. The design also allows the units to be installed at a distance of only 300 mm from each other. Conventional supply air beams normally require a significantly greater separation. This means that offers increased flexibility and freedom of choice with regard to size, number and placement of beams, walls and other fittings in the room. Design The 's design is based on Lindab's world-patented method of metallurgically bonding copper and aluminium. The aluminium plate that constitutes the cooling fin is also metallurgically bonded to the copper pipe that transports the cold water. The shape of the copper pipe allows the easy creation of turbulent currents. This, together with the contact between the copper and the aluminium, boosts to the maximum the energy transport from the cooling surfaces to the cooling water. The metallurgical bond between the copper and the aluminium also eliminates any risk of galvanic corrosion that could possibly be caused by condensation on the surfaces. The supply air can also be fed via a damper, which is supplied as an optional accessory. The water pipes are made of copper. Nevertheless, the water should be oxygen-free to prevent corrosion. Picture 1. 17, 35 and 53. 4
5 Data is an active chilled beam prepared for ventilation and cooling (2-Pipe connection) and can be installed on to a ceiling, suspended or recessed in a ceiling. Variants Lengths: is available in lengths from 1.2 m to 6.0 m in steps of 0.1 m. Height: All three types are of the same height of mm. Width: is available in three different widths: 17 (170 mm), 35 (350 mm and 53 (530 mm). Water connection: can be supplied with four connections, depending on the width of the product,, and mm. This is to allow adjustment of the pressure drop and thus to ensure turbulent flow in different dimensioning cases. Air connection: Ø 0 mm. Surface treatment: is powder-coated as standard. Colour The product is available as standard, in signal white RAL 9003 or in pure white RAL 90, gloss value 30. Other RAL colours on request. Figure with connection cover. Accessories Delivered separately. Control: Refer to the chapter Regula. Hygiene cover: A cover that prevents the formation of air currents in the space above the suspended ceiling. Available only for 35 (with an increased width of 392 mm) and 53 (with an increased width of 592 mm). Wall connection option: Connection cover to conceal visible piping to a wall, or between beams (see figure 1). The cover plate, however, provides access to the pipe fittings and damper. Indicate the length when you place your order. Hangers: For recommended installation principles (see: Installation Instruction ). All these different hangers are available at Lindab: -pendulum hangers (in different sizes) -threaded rods M8 -Lindab FH-system (Gripple ) - hang fast system For additional accessories please refer to the Accessories document on 5
6 Dimensioning Cooling capacity air P a 1. Start by calculating the capacity required for the room, to keep a certain temperature. Lindab s TEKNOsim is an excellent tool for this. 2. Calculate which cooling capacity, or read in diagram 1, that is supplied by the ventilation air 3. Remaining cooling capacity needs to be cooled by the water circuit in. The formula for calculating the capacity air: P a = q ma x c pa x t ra Size comparison by t r = 25 C with: q a = Primary air flow rate P a [W] = q a [l/s] x 1.2 t ra [K] and P a [W] = q a [m³/h] x 0.33 t ra [K] Definitions: P a = Cooling capacity air [W] P w = Cooling capacity water [W] P tot = Cooling capacity total [W] q ma = Air mass flow rate [kg/s] q a = Primary air flow rate [l/s] q w = Water flow rate [l/s] q wmin = Minimal water flow rate [l/s] q wnom = Nominal water flow rate [l/s] c pa = Specific heat capacity air [1,004 kj/kg K] t r = Room air temperature [ C] t wi = Water inlet temperature [ C] t wo = Water outlet temperature [ C] t ra = Temp. diff., room air and primary air temp. [K] t rw = Temp. diff., room air and mean water temp. [K] t w = Temp. diff. water circuit [K] e tw = Capacity correction for temperature e qw = Capacity correction for water flow P Lt = Specific cooling capacity [W/(m K)] Minimum flow Please note that flows below the recommended minimum water flow q wmin, can result in unwanted air in the water pipes. Exceeding the nominal flows is not recommended as the capacity gains will only be minimal. For minimal (q wmin ) and nominal water flows (q wnom ) please refer to page 9, table 2. P a [W] 600 Cooling Capacity Air P a = q a x 1.2 x t ra t ra [K] Primary Airflow Rate q a [l/s] Diagram 1. Cooling capacity P a as function of the air flow rate q a. If the air supply is 25 l/s and the temperature difference of the supply t ra = 6 K, then the cooling capacity in the chart is 180 W. 6
7 Dimensioning Cooling capacity water P w To calculate 's capacity, follow the steps below. 1. Calculate t rw (room average water) 2. Read off the capacity with the selected airflow and the calculated from one of tables 2 to Calculate the water flow with this capacity P w. 4. Read off the number of parallel circuits in table 1, and calculate the flow per strip. 5. Use diagram 2, to read off the capacity correction e qw at the calculated water flow per strip. 6. Multiply the capacity correction e qw by the capacity q w. 7. Repeat steps 5 and 6. Example 1: What is the cooling capacity of a 4.8 m 53 with Ø water connection and 30 l/s? The room's summer temperature is assumed to be t r = 24.5º C. The cooling water temperature in/out of is 14/17º C. Size Model Ø 1 1 Ø Ø 4 3 Ø 6 Table 1. Number of parallel circuits for, depending on model and connection option. Answer: Temperature difference t rw = t r (t wi + t wo )/2 t rw = (14+17) / 2 = 9 K Read off the capacity for 53 in table Δt rw = 9 K and the supply air velocity is 30 l/s. The value is 877 W. Use the calculated capacity and calculate the water flow: q w = P w / (c pw x t w ) q w = 877 / (4200 x 3) = 0.07 l/s In table 1, read off the number of parallel circuits for 53 with Ø water connection. The value is 3. The water flow per strip will then be 0.07 / 3 = l/s The capacity correction e qw, which is read off from diagram 2, will then be 0.99 and the new capacity: p w = 877 x 0.99 = 868 W. Calculate the new water flow, using the new capacity: q w = 868 / (4200 x 3) = l/s. The water flow per strip will then be / 3 = l/s, and the capacity correction e qw The capacity correction e qw will then be 0.99 and the heating capacity will be 868 W. Dimensioning For dimensioning of chilled beams please refer to our waterborne calculator on Capacity correction e qw 1,2 1,1 1 Cooling Kyla 0,9 0,8 0,7 0,6 0 0,01 0,02 0,03 0,04 0,05 0,06 0,07 0,08 0,09 0,1 Water Flow Rate q w [l/s] Diagram 2. Capacity correction e qw for water flow for cooling 7
8 Pressure drop in water circuit, cooling width 17 and 35 q w [l/s] Water flow NB! Mean water temperature t wio = C! * Lengths [m] ø m ø m Pressure Tryckfall Drop p [kpa] w [kpa] Diagram pressure drop in water circuit, cooling. q w [l/s] 0.2 Water flow NB! Mean water temperature t wio = C! * ø Lengths [m] m ø m ø m Pressure Tryckfall Drop p [kpa] w [kpa] Diagram pressure drop in water circuit, cooling. 8
9 Pressure drop in water circuit, cooling width 53 q w [l/s] 0.3 Water flow NB! Mean water temperature t wio = C! * ø m Lengths [m] ø m ø m 0.04 Tryckfall 0.03 [kpa] , , ø , ø ø , Pressure Drop p w [kpa] Diagram pressure drop in water circuit, cooling. Example 2: 4.8 m, with Ø water connection provides an output of 868 W. t w = 3 K q w = P w / (c pw t w ) q w = 868 W / (4200 Ws/(kg K) 3 K) = l/s The pressure drop in the water circuit in diagram 5 is read off as Δp w = 11.4 kpa. Definitions: q w = Water flow rate [l/s] P w = Cooling capacity water [W] c pw = Specific heat capacity water [4200 Ws/(kg K)] Δt w = Temperature difference water circuit [K] t wio = Mean water temperature [ C ] * Diagrams are for a certain mean water temperature t wio. For other temperatures please do your calculations in our waterborne calculator in Model Pipe diameter mm q wmin [l/s] q wnom [l/s] No. Parallell Flows -17 0,0 0, ,030 0, ,0 0, ,030 0, ,060 0, ,030 0, ,045 0, ,090 0,0 6 Table 2. Minimum water flow in one pipe = 0,0 l/s 9
10 Cooling effect Lindab presents data measured with the V-method at SP, the Technical Research Institute of Sweden in Borås. l/s and unit Cooling effect per unit exclusive of the supply air's cooling effect (W) Mean water temperature - room temperature ( C) Length (m) Width 17 1, , , , , , , , , Length (m) Width 35 1, , , , , , , , , Length (m) Width 53 1, , , , , , , , , Table 3. Cooling effects for 17, 35 and 53 with a supply airflow of l/s. Recommended maximum air volume = L(m) x 9 (l/s)
11 Cooling effect l/s and unit Cooling effect per unit exclusive of the supply air's cooling effect (W) Mean water temperature - room temperature ( C) Length (m) Width 17 1, , , , , , , , Length (m) Width 35 1, , , , , , , , Length (m) Width 53 1, , , , , , , , Table 4. Cooling effects for 17, 35 and 53 with a supply airflow of l/s. Recommended maximum air volume = L(m) x 9 (l/s) 11
12 Cooling effect 20 l/s and unit Cooling effect per unit exclusive of the supply air's cooling effect (W) Mean water temperature - room temperature ( C) Length (m) Width 17 2, , , , , , , Length (m) Width 35 2, , , , , , , Length (m) Width 53 2, , , , , , , Table 5. Cooling effects for 17, 35 and 53 with a supply airflow of 20 l/s. Recommended maximum air volume = L(m) x 9 (l/s)
13 Cooling effect 25 l/s and unit Cooling effect per unit exclusive of the supply air's cooling effect (W) Mean water temperature - room temperature ( C) Length (m) Width 17 2, , , , , , , Length (m) Width 35 2, , , , , , , Length (m) Width 53 2, , , , , , , Table 6. Cooling effects for 17, 35 and 53 with a supply airflow of 25 l/s. Recommended maximum air volume = L(m) x 9 (l/s) 13
14 Cooling effect 30 l/s and unit Cooling effect per unit exclusive of the supply air's cooling effect (W) Mean water temperature - room temperature ( C) Length (m) Width 17 3, , , , , , Length (m) Width 35 3, , , , , , Length (m) Width 53 3, , , , , , Table 7. Cooling effects for 17, 35 and 53 with a supply airflow of 30 l/s. Recommended maximum air volume = L(m) x 9 (l/s) 14
15 Cooling effect 40 l/s and unit Cooling effect per unit exclusive of the supply air's cooling effect (W) Mean water temperature - room temperature ( C) Length (m) Width 17 4, , , , Length (m) Width 35 4, , , , Length (m) Width 53 4, , , , Table 8. Cooling effects for 17, 35 and 53 with a supply airflow of 40 l/s. Recommended maximum air volume = L(m) x 9 (l/s)
16 Installation examples can be installed in two different ways. Suspended or recess mounted in a suspended ceiling (see figures 2 to 5). A C A C Max m 1,5xA Figure 2. Installation dimensions when the room air reaches from both sides. Figure 3. Installation dimensions when the room air only reaches from one side. C Min 0 mm Min 300 mm Figure 4. Installation dimensions when the room air reaches from another opening in the suspended ceiling. Figure 5. Minimum dimensions when two beams are installed close to one another or near a wall. [%] Cooling effect Figure 6. Installation directly on to the ceiling. Figure 7. Suspended installation Percentage of required clearance, A dimension [%] Diagram 6. Cooling effect with a reduced gap between the suspended ceiling and the supply air beam. A Installation dimensions Width Figure 2 50 mm 70 mm 0 mm 60 mm 60 mm 80 mm Figure 3 75 mm 5 mm 0 mm 90 mm 90 mm 0 mm Figure m m 2 0. m 2 Room air from one side: 90,90,0 mm. Room air from both sides with Free opening area per m of same opening area: 60, 60, 80 mm. Table 3. 17, 35 & 53 dimensions and installation. C 16
17 Supply air Bredd beam 17 Couplings & connections A Coupling options B Coupling options Connection diameter lindab podium 3 från sidan Width 17 Width 35 Width 53 Bredd 35 Bredd 53 Connection diameter from the side Teknoterm Classic Bredd 35 Bredd 53 Water connection Air connection Inkopplingsalternativ Anslutningsdiameter 3 Bredd 35 Bredd 53 Bredd A B 3 Inkopplingsalternativ Anslutningsdiameter Coupling options Inkopplingsalternativ Inkopplingsalternativ Connection diameter 4 Anslutningsdiameter Inkopplingsalternativ Because of the beam s gills, its surface structure looks different, depending on the direction from which it is viewed. If products connected in series are to have the same appearance, the connection point should be oriented in the same way throughout the room. Note! Connection options 3 and 24 can be turned in both directions Anslutningsdiameter Anslutningsdiameter 3 Inkopplingsalternativ Inkopplingsalternativ Anslutningsdia Anslutningsdiamete Table 4. 17, 35 and 54 are supplied in lengths from 1.2 m to 6.0 m in steps of 0.1 m. The connection dimension for the water is,, or mm, and 0 mm for the air. NB! Coupling should be with compression couplings, press couplings or Tectite. 17
18 Couplings & connections Width 17 Width 35 Width 53 Water connection: plain Cu, pipe o.d., mm Supply air connection: Spiral duct, Ø mm Water connection: plain Cu, pipe o.d., mm Supply air connection: Spiral duct, Ø mm Water connection: plain Cu, pipe o.d., mm Supply air connection: Spiral duct, Ø mm 0 Table 5. Overview of connection dimensions for water and supply air, 17, 35 & Weight and water volume Type Weight, kg/m Water content, l/m Copper pipes, quality EN CU-DHP EN CU-DHP EN CU-DHP Pressure class PN PN PN Table 6. 17, 35 & 53 weight and water volume. 18
19 Width & height, mm Width 17 Width 35 Width Figure 9. 17, 35 and 53 are manufactured in three different widths and one height. Length, m Tekno Term Classic Längd, m m L = 1,8-2,4-3,0-3,6-4,2-4,8-5,4-6,0 Bredd & höjd, mm Figure. 17, 35 and 53 are produced as standard in lengths from 1.2 m to 6.0 m in steps of 0.1 m. Actual dimensions are -8 mm in order to fit a standard T- support. Dimensions, mm Width 17 Width 35 Width 53 dy ø eller or ø dy ø,, ø eller or ø dy ø,, ø eller or ø* * dy ø Mått, anslutning, mm40 45 dy eller dy, eller dy, eller * dy Figure , 35 and 53 dimensions
20 Control Lindab offers control equipment that is very simple to use. To avoid heating and cooling being activated at the same time, the systems are controlled sequentially (Regula Combi). For the technical data, refer to the chapter Regula. Programme text s from Lindab Qty Product: m 18 Plus features: Colour, RAL 9005 (black) Accessories: Balancing dampers: 18 Connection cover, length = 0 mm: 18 Product: m 6 Designations Product: Width, [cm]: 17, 35, 53 Connection diam. water, [mm]:,,, Connection diam. air, [mm]: 0 Coupling options:,,,, 3, 4, 3, 4,,,, 3, 4, 3, 4 Length, [m]: Plus features: See page 5 Accessories: Balancing dampers: 6 Regula Combi: 6 Regula Secura: 6 Control valve, cooling: 6 Actuator, cooling: 6 Product: m 2 Plus features: Colour, RAL 9005 (black) Accessories: Balancing dampers: 2 Connection cover, length = 0 mm: 2 Regula Combi: 2 Regula Secura: 2 Control valve, cooling: 2 Actuator, cooling: 2 Order code Product Type: 17, 35, 40, 53, 60 Water connection:,,, mm Air connection: 0 Connection type:,,,, 3, 4, 3, 4,,,, 3, 4, 3, 4 Product length: 1.2 m m ( In steps of 0.1 m ) 20
21 At Lindab, good thinking is a philosophy that guides us in everything we do. We have made it our mission to create a healthy indoor climate and to simplify the construction of sustainable buildings. We do that by designing innovative products and solutions that are easy to use, as well as offering efficient availability and logistics. We are also working on ways to reduce our impact on our environment and climate. We do that by developing methods to produce our solutions using a minimum of energy and natural resources, and by reducing negative effects on the environment. We use steel in our products. It s one of few materials that can be recycled an infinite number of times without losing any of its properties. That means less carbon emissions in nature and less energy wasted. We simplify construction
Use. Installation. Key figures. Worth noting. linx industries chilled beams
89 Use Lindab's supply air beam can be used for cooling, heating and ventilation. Installation I-60 is installed into a false ceiling, and can be suspended by hangers or threaded rods. As standard is delivered
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