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Active chilled beams – Series VFK 600
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Catalog excerpts

Active chilled beams – Series VFK 600 - 1

VFK 600 Active chilled beams

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Active chilled beams – Series VFK 600 - 2

CONTENTS General CharacteristicsVFK 2 Selection in a sample project 33

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Active chilled beams – Series VFK 600 - 3

General Features Description The VFK ceiling-mounted induction terminal units (also known as active chilled beams) for air diffusion 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 units include the following components: Active Chilled Beam, lateral primary air connection - Primary air plenum, with one or two round duct connections for primary air inlet and a distribution of small nozzles with alternative settings. - Hot or chilled water (two-pipe installation) or hot and chilled water...

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Active chilled beams – Series VFK 600 - 4

General Features Advantages The VFK are terminal units for central air conditioning ins- tallations that provide solutions to meet the needs of the following: - Ventilation achieved with primary air - Cooling, based on the primary air itself and the water circulation coil Heating, based on a water circulation coil - Control. Possibility of individual or combined unit control by room or area, using control and regulation valves in the unit to adjust the water volume and room thermostats. - Air diffusion based on linear slot diffusers that ensure effetive air diffusion. VFK 600 DV O In...

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Active chilled beams – Series VFK 600 - 5

General Features VFK 600 Description The VFK 600 ceiling-mounted induction terminal units (also known as active chilled beams) for two-way air diffusion are used in airwater systems to provide a high level of comfort in interior environments with high internal thermal loads in cooling operation. The units include the following components: Active Chilled Beam, lateral primary air connection - Hinged perforated front face, used as access for unit cleaning. Available in different perforation designs. - Nozzle control mechanism, to configure different air discharge patterns in the nozzles. -...

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Active chilled beams – Series VFK 600 - 6

Sizes 600 to 1800 - 2-pipe system (for 4-pipe system connections, refer to page 7) Five types of configurations are available, defined according to the position of the primary air connection with regard to the water connections (with the water connection viewed from the front), namely: 1. Front face primary air connection, on opposite side to water connections, (-F) type 2. Rear face primary air connection, on same side as water connections, (-FT) type 3. Lateral primary air connection on left side, (-LI) type 4. Lateral primary air connection on right side, (-LD) type 5....

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Active chilled beams – Series VFK 600 - 7

Dimensions. Configurations VFK 600 Model Sizes 2100 to 3000 - 2-pipe system (for 4-pipe system connections, refer to page 7) Three types of configurations are available, defined according to the location of the primary air connection with regard to the water connections (with the water connection viewed from the front), namely: 3. Lateral primary air connections on left, (-LI) type 4. Lateral primary air connections on right, (-LD) type 5. Primary air connections at top, (-S) type Sizes 2100 to 3000 are manufactured with two LI or LD or S primary air connection inlets. Front air...

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Active chilled beams – Series VFK 600 - 8

Dimensions. Configurations 4-PIPE SYSTEM.VFK 600 MODEL CHILLED FLOW & RETURN HOT FLOW & RETURN THREAD CONNECTION Same identification criteria for primary air connections as in a 2-pipe system, except that this system does not include the rear face configuration (-FT), i.e., on the same side as the water connections. PERFORATED INDUCTION RACK DESIGNS The following front induction rack designs are available for standard projects, when the order is placed: - P1H Rectangular perforations along the length of the beam. Rectangular perforations along the width of the beam. Round perforations...

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Active chilled beams – Series VFK 600 - 9

Installation - Chilled beam designs for different types of ceilings All VFK beam sizes are made to be installed in different kinds of false ceilings. The most common are listed below:: - Lay-in grid with T-support section with a width of 25 and 15 mm (1) - Continuous or plasterboard ceiling (2) - Tegular ceiling with drop face tile (3)

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Active chilled beams – Series VFK 600 - 10

Installation - Fastening The VFK 600 units include a series of hanging brackets on the two upper longitudinal sides of the beams, as shown in the following photographs. There are two brackets per side in sizes 600 to 1800 and three in sizes 2100 to 3000. These brackets have a slot hole to hold a Ø6 mm threaded rod, which is first attached to the ceiling slab to hang the unit. Access rack The induction grille or front perforated rack can swing 90º by operating small latches on the side of the rack or by complete removal using the locks. This provides access to the interior of the chilled...

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Active chilled beams – Series VFK 600 - 11

Nozzle Control Mechanism As an optional accessory, the unit can include a nozzle regulation mechanism (-SR). In this case, the chilled beams would be fitted with the two nozzle types or sizes, in which different air discharge configurations can be combined, making the installation highly flexible and able to adapt to various changes, situations or applications. The system allows the following nozzle configurations or types: - Position 1: Closure of all nozzles prevents the air from flowing out in one or two directions of the chilled beam. - Position 2: M-type large nozzle opening, to move...

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Active chilled beams – Series VFK 600 - 12

Air deflectors As an optional accessory, the VFK 600 chilled beams can be fitted with air deflector slats (-DF) manufactured of M1 plastic, longitudinally built into the diffusers. By modifying the position, the air jet can be adjusted to different directions, making it a highly flexible unit to adapt to different situations in the installation. This makes it possible to handle obstacles, to broaden the width of the air jet and to slow the velocity of the jet over a specific throw, in short, to ensure an environment free of air currents. Several applications are shown below in the following...

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Active chilled beams – Series VFK 600 - 13

VFK 600 Volume Regulation and Control Components - Water According to the system used, type of control, electrical installation, etc., the usual control and regulation components per chilled beam or groups of units of the water system are the following: Constant water flow rate system Basic diagram of 4-pipe installation for constant water flow rate. 1. Active chilled beam 2. Room controller or regulator (on-site installation) Can be individual or integrated in a centralised regulation system. 3. Room temperature sensor (usually integrated 5. Electrical servo drive of the 3-way...

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