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SCHAKO KG
RR-Complete

RR-Complete

Product catalog summary

Round Duct System RR-COMPLETE Overview
This document provides a comprehensive guide to the Round Duct System RR-COMPLETE, designed for efficient air distribution in HVAC applications. It includes details on components, installation procedures, and technical specifications.

Component Overview
The system comprises various components such as volumetric flow controllers, duct silencers, diffusers, grilles, and nozzles. Each component is described in terms of construction, model options, and available accessories.

Volumetric Flow Controller (VRA-RR)
This section details the VRA-RR model, including installation, construction, and technical data. It provides guidance on selecting the appropriate controller based on system requirements.

Volumetric Flow Restrictor (DKA-MKA-RR)
The DKA-MKA-RR restrictor is described with its construction and accessories. A differential pressure diagram is included to assist in understanding its performance characteristics.

Duct Silencer (RS-RR)
The RS-RR duct silencer is designed to reduce noise in the duct system. Information on its construction, dimensions, and available accessories is provided.

Diffuser Components
This section covers the RR diffuser components, including their function, fastening methods, and section lengths. The Round Duct Diffuser Model DBB-RR is highlighted for its blade adjustment options and dimensions.

Grilles and Nozzles
The document describes the Round Duct Grille KG-RR and the Round Duct Nozzle Jet Diffuser DSA-RR, focusing on their construction, blade adjustment options, and correction factors for air distribution.

Long Throw Nozzle Grille (WGA-V-RR)
The WGA-V-RR model is designed for long throw applications, with details on its construction, dimensions, and accessories.

Accessories
A variety of accessories for the RR-COMPLETE system are listed, including dummy pipes, connection sleeves, rosettes, end covers, and various duct fittings like T-pieces and Y-pieces.

Order Details and Specification Text
The document concludes with order details for each component and a specification text section to assist in procurement and installation planning.

Specifications
The system is modular, allowing for flexible design and installation in various environments such as laboratories, schools, and residential buildings. It supports both electric and manual volumetric flow control, with components manufactured to uniform diameters and designs.

Installation and Maintenance
The system features pre-mounted suspension devices for ease of installation. Maintenance requires on-site inspection openings. The document provides specific installation distances to avoid errors.

Technical Details
The VRA-RR volumetric flow controller is highlighted for its pressure-independent regulation capabilities, supporting both constant and variable airflows. It includes a closed control loop with feedback for energy-efficient operation.

Standards and Compliance
The system complies with various standards, including VDI 6022 for hygienic requirements and DIN 1946 for air-conditioning technology. It is tested for leakage and pressure resistance.

Advantages
The system is praised for its complete integration, aesthetic appeal, flexibility in design, adaptability to different environments, and ease of installation. It is supported by CAD design for precise planning and implementation.

Technical Specifications
The document provides detailed specifications for the Round Duct System RR-COMPLETE, including volumetric flow rates in m³/h and l/s for various duct sizes. It emphasizes the importance of programming volumetric flow controllers with specific technical data, including static minimum pressure differences and sound values.

Controller Selection and Accessories
Controllers such as Belimo and Gruner are recommended, with specific models and accessories like limit switches and PC tools mentioned. The document outlines the conditions under which volumetric flow controllers are delivered as variable or constant, based on customer specifications.

Volumetric Flow Restrictor (DKA-MKA-RR)
This section describes the DKA-MKA-RR, a manually adjustable restrictor for round ducts, suitable for air-conditioning installations. It highlights its ease of use, measurement accuracy, and construction materials, including galvanized and stainless steel options.

Duct Silencer (RS-RR)
The RS-RR silencer is designed to minimize noise and prevent cross-talk sound transmission. It uses mineral wool for sound absorption and is compatible with the RR-COMPLETE system. Construction details and material options are provided.

RR Diffuser Components
The document describes various diffuser models (DBB-RR, KG-RR, DSA-RR, WGA-V-RR) designed for integration into modern architectural designs. It details their construction, material options, and installation guidelines.

Round Duct Diffuser (DBB-RR)
The DBB-RR model features adjustable nozzles and a hit-and-miss damper for uniform air distribution. It is suitable for both heating and cooling applications, with specific installation instructions based on air direction.

General Construction and Maintenance
Throughout the document, there is an emphasis on the stability, ease of regulation, and maintenance of the components. It advises on suitable cleaning materials for stainless steel models and the importance of providing inspection openings for maintenance.

Installation Guidelines
Installation instructions emphasize the correct positioning of components based on air direction requirements. The document specifies mounting positions at 3, 6, 9, and 12 o'clock for various components to ensure uniform air distribution.

Adjustment and Control
The document describes the adjustable features of the system, such as the hit-and-miss damper and air deflection blades, which allow for customization of air throw patterns and distribution. It also details the use of volumetric flow controllers for regulating air volume.

Accessories
A range of accessories is available for the round duct system, including dummy pipes, connection sleeves, and end covers. These accessories are designed to integrate seamlessly with the visible installation of ventilation ducts in modern architecture.

Technical Data
Technical data for each component is referenced to specific sections of the SCHAKO layout program and technical documentation. This includes details on dimensions, available sizes, and performance characteristics.

Maintenance Recommendations
The document advises on the use of suitable cleaning materials for stainless steel models to maintain their appearance and functionality.

Materials and Options
Options include galvanized sheet steel painted to RAL 9010 (white), stainless steel 1.4301 (V2A), and plain galvanized sheet steel. Dimensions are available in various nominal widths (NW) ranging from 200 to 900 mm, and lengths in one-part (500, 750, 1000 mm) or two-part (1500, 1750, 2000 mm) configurations.

Components

Round Duct Diffuser (DBB-RR): Suitable for supply air with adjustable air deflection blades. Includes a hit-and-miss damper for air volume regulation.
Round Duct Grille (KG-RR): For supply and return air, with adjustable hit-and-miss damper and optional air deflection blades.
Nozzle Jet Diffuser (DSA-RR): Features fixed or adjustable nozzles, available in plastic similar to RAL 9010 or RAL 9005.
Volumetric Flow Controller (VRA-RR): Electrically adjustable damper for constant or variable volume flow, with integrated acoustic cladding.
Volumetric Flow Restrictor (DKA-MKA-RR): Manually adjustable damper for constant or variable flows, with acoustic cladding.
Duct Silencer (RS-RR): Provides sound absorption with mineral wool filling, suitable for supply and return air.

Accessories
Various accessories are available at an extra charge, including dummy pipes, connection sleeves, rubber lip seals, and more. These components are made from the same materials as the main duct system.

Additional Information
The document notes that construction is subject to change and returns are not possible. It also specifies compliance with certain standards, such as DIN 4102 A2 for non-flammable materials and DIN EN 1751 for airtight sealing.

Technical Parameters
The document provides technical parameters such as air volume (V), nominal width (NW), minimum and maximum velocity (v min, v max), packing thickness (P), length (L), density (ρ), and differential pressure (ΔpW).

Installation, Mounting, and Maintenance
The duct silencer RS-RR can be installed in various positions (3 o'clock, 6 o'clock, 9 o'clock, 12 o'clock). For vertical installations, a minimum distance of 100 mm is required between the weld seam and the diffuser. Installation must be performed by skilled personnel using approved suspension materials. Maintenance involves removing individual duct segments for servicing.

Catalog excerpts

Round Duct System Model RR-Complete

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Version: 23.08.2018 No return possible!

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01/18 - 3 Construction subject to change. Version: 23.08.2018 No return possible!

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Round Duct System RR-COMPLETE Description In modern architecture, sheet metal and spiral ducts of air-conditioning systems are often incorporated in the design of the room. Emphasis is often placed deliberately on parts of the supply system. In this visible installation of the ventilation ducts, it is a good idea to integrate volumetric flow controllers, duct silencers and air diffusers into the ducts. In order to be able to offer planners a technically outstanding system, which can also be well integrated into modern architectural concepts, we have developed the round duct system type RR-COMPLETE....

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Round Duct System RR-COMPLETE Quick selection of components and sizes Volumetric flow controller model VRA-RR NW Volumetric flow meter DKA-MKA-RR P (mm) = Packing thickness L (mm) = Length Construction subject to change.

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Round Duct System RR-COMPLETERound Duct Nozzle Jet Diffuser DSA-RR L Fastening Suspension - prepared for suspended installation using M8 threaded rods to be provided by the customer. Construction subject to change.

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Round Duct System RR-COMPLETEQuick selection of the possible combinations NW Construction subject to change.

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Round Duct System RR-COMPLETE Volumetric flow controller model VRA-RR Description A volumetric flow controller is used for pressure-independent volumetric flow regulation in ventilation and air-conditioning systems. It is used to keep the volumetric flow constant (CAV) within specified limits or to control it variably (VAV) as a function of a command variable, for example a room temperature controller, DDC or bus system. For constant volumetric flows, the operating stages CLOSED/Vmin/Vmid/Vmax/OPEN are available in stage operation, controlled via relays or switches. The housing, measuring sensor,...

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Round Duct System RR-COMPLETE Distance to: Installation information for VRA-RR (round) Distance to a connection piece Installation Installation information To avoid unnecessary controller errors, the min. distances according to the following table / drawings must be observed. All volumetric flow controllers can be assembled with horizontal or vertical damper axis. Mounting position, see page 41 Construction Housing (outer tube / end cover) - Galvanised sheet steel (-SV) - Galvanised sheet steel, painted to RAL 9010 (white) (-St, standard) - Stainless steel 1.4301 (V2A) painted in colour sand...

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Round Duct System RR-COMPLETE Dimensions VRA-RR-0U Standard controllers and drives NW Rubber lip seal Detail X Construction subject to change. Technical data Quick selection for total air volumes of the duct system per branch duct

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Round Duct System RR-COMPLETE Attention, the following specifications are important for the programming of the volumetric flow controllers: - this table merely specifies the complete measuring range of the controller (volumetric flow range) - If the customer absolutely wants a calibration curve different from 12 m/s, it must be specified! - When the air volume drops below the Vmin shown in the chart, the correct functioning of the volumetric flow controller is no longer guaranteed! - If only one air volume is specified in the order (as Vmax value), the volumetric flow controller will be delivered...

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Round Duct System RR-COMPLETE Volumetric flow restrictor DKA-MKA-RR Description For quick, easy control of the supply air volume, the DKA-MKA-RR was especially developed for the round duct system RR-COMPLETE. The round, manually adjustable volumetric flow restrictor DKA-MKA-RR is suitable for installation in round supply air and return air ducts according to DIN 24145 or 24146. It is used for regulating the volumetric flows in air-conditioning installations. The integrated volumetric flow controller measuring cross type is mainly used for measuring the air volumetric flow downstream of the central...

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Round Duct System RR-COMPLETE Dimensions DKA-MKA-RR-3U hose connection on site Rubber lip seal Detail X Detail Y Threaded rod on site 01/18 - 13 Construction subject to change. Version: 23.08.2018 No return possible!

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Round Duct System RR-COMPLETE Differential pressure diagram Legend, see page 40 Order details, see page 29 Specification text, see page 36 01/18 - 14 Construction subject to change. Version: 23.08.2018 No return possible!

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Round Duct System RR-COMPLETE Duct silencer RS-RR Description Silencing of the duct silencer type RS-RR in accordance with the absorption principle is done by means of an annular chamber filled with mineral wool according to DIN 4102 A2 non-flammable, mineral wool with glass silk cover. Specially designed for the round duct system RR-COMPLETE with the same duct diameter, the duct silencer is adapted optically to the remaining components. For maintenance, service, retrofitting, etc., inspection openings in sufficient number and size must be provided on-site. Attention: The use of the RS-RR is...

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Round Duct System RR-COMPLETE Division of length RS-RR 1-part Lengths 500/750/1000 Legend, see page 40 Order details, see page 29 Specification text, see page 36 Construction subject to change.

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Round Duct System RR-COMPLETE RR diffuser components Length of sections RR diffuser components 1-part: (DBB-RR / KG-RR / DSA-RR / WGA-V-RR) Function In modern architecture, sheet metal and spiral ducts of air-conditioning systems are often incorporated in the design of the room. Emphasis is often placed deliberately on parts of the supply system. In this visible installation of the ventilation ducts, it is a good idea to integrate the air diffusers into the ducts. In order to be able to offer planners a technically advanced air diffuser, which can also be well integrated into modern architectural...

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Round Duct System RR-COMPLETE Round Duct Diffuser Model DBB-RR The round duct diffuser DBB-RR consists of a round duct with integrated, linear nozzles, which can also be adjusted subsequently by hand, with integrated hit-and-miss damper, which allows the air to be blown absolutely uniformly over the entire diffuser area. The centrally arranged blades in support profile sections ensure that the free cross-section at every blade is the same. As a result, the noise level and pressure are not affected by changing the blade position. In heating mode, this allows a large penetration depth, thus providing...

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