Lütze AirSTREAM SR032 User manual

Operating instructions - Lütze AirSTREAM - SR032
Cabinet Solutions
AirSTREAM
SR032 Wiring Frame and System
Operating instructions
Version 00

Operating instructions - Lütze AirSTREAM - SR032
Friedrich Lütze GmbH reserves the right to make changes to its products in the interest of technical
development. These changes are not necessarily documented in each individual case.
This operating instruction is part of the device and contains important information about safety and
operation. Read the operating instructions before use to avoid possible hazards and ensure proper
use.
This operating instruction and the information contained therein have been compiled with due care.
However, Friedrich Lütze GmbH assumes no liability for printing or other errors or resulting damages.
The trademarks and product names mentioned in this operating instruction are trademarks or
registered trademarks of the respective title holders.
©Copyright 2021 by Friedrich Lütze GmbH. Copyright reserved.
Contact:
Friedrich Lütze GmbH
Bruckwiesenstraße 17-19
D-71384 Weinstadt - Großheppach
Germany
General: +49/ (0)7151 6053-0
Fax: +49/ (0)7151 6053-277
E-Mail: [email protected]
Internet: www.luetze.de

Operating instructions - Lütze AirSTREAM - SR032
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Contents
1Preface ...........................................................................................6
1.1 About this operating manual .............................................................................6
2General Information......................................................................7
2.1 Symbol Description...........................................................................................7
2.1.1 Safety Message................................................................................................................. 7
2.1.2 Instructions for Handling.................................................................................................... 7
2.2Copyright...........................................................................................................7
2.3 Disclaimer.........................................................................................................8
2.4 Standards & Regulations ..................................................................................8
2.4.1 Observe further applicable documents.............................................................................. 8
2.5 Labeling ............................................................................................................9
2.5.1 QR Code –Product information......................................................................................... 9
3Safety ...........................................................................................10
3.1 Related Documents ........................................................................................10
3.2 Safety Notes ...................................................................................................10
3.2.1 Contents of the operating instructions............................................................................. 10
3.2.2 Intended Use.................................................................................................................... 10
3.2.3 Addressees...................................................................................................................... 10
3.2.3.1 Operating Personnel............................................................................................... 10
3.2.4 Responsibility of the Operator ......................................................................................... 11
3.2.5 Protective Clothing and Equipment................................................................................. 12
3.2.6 Reconstruction and Modification of the Product.............................................................. 12
3.2.7 Further Safety Notes........................................................................................................ 12
3.3 Special Safety Notes.......................................................................................14
4Product Overview........................................................................15
4.1 Product Description.........................................................................................15
4.2 AirSTREAM background.................................................................................15
4.3 Description of system components.................................................................20
4.3.1 AirBLADE......................................................................................................................... 20
4.3.2 AirBLOWER..................................................................................................................... 20
4.3.3 Module............................................................................................................................. 21
4.3.3.1 Cable clamp module............................................................................................... 21
4.3.3.2 EMC module ........................................................................................................... 21
4.3.3.3 Shunt profile module RG020................................................................................... 22
4.3.3.4 Shunt profile module RG035................................................................................... 22
4.3.4 Rail selection for AirSTREAM.......................................................................................... 23
4.3.4.1 Rail profile strip HS Module .................................................................................... 23
4.3.4.2 Installation strip MS module.................................................................................... 24
4.3.4.3 Rail profiles strip asymetrical HA module............................................................... 24
4.3.4.4 Installation strip asymmetrical MA module ............................................................. 25
4.3.5 Planning tools around the AirSTREAM ........................................................................... 26
4.3.5.1 AirSTREAM Configurator (online)........................................................................... 26
4.3.5.2 Video Turorial "AirSTREAM Configurator".............................................................. 27
4.3.5.3 AirBLOWER - AirTEMP-Configurator (online)........................................................ 28
4.3.5.4 AirSTREAM in the EPLAN Data Portal................................................................... 29

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5Transport and Storage................................................................30
6Delivery ........................................................................................31
6.1 The AirSTREAM wiring system consists of:....................................................31
6.1.1 AirSTREAM Documentation............................................................................................ 31
6.2 Accessories.....................................................................................................31
6.3 Checking the delivery......................................................................................31
7Technical data .............................................................................32
8Product structure........................................................................33
8.1 Terms..............................................................................................................33
8.2 Frame system overview and dimensions........................................................34
8.2.1 Screw assembly types..................................................................................................... 35
8.2.1.1 Mounting of screw assembly type 1........................................................................ 35
8.2.1.2 Mounting of screw assembly type 2........................................................................ 36
8.2.1.3 Mounting of screw assembly type 3........................................................................ 36
8.2.2 Assembly types................................................................................................................ 36
8.2.2.1 Mounting of assembly type I / Option X50.............................................................. 37
8.2.2.2 Mounting of assembly type II / Option X00............................................................. 37
8.2.3 Frame depth (A)............................................................................................................... 38
8.2.4 Profile width / support rail width (B)................................................................................. 38
8.2.5 Frame width (C) and profile width / support rail width (D)............................................... 38
8.2.6 Load limits of screws and rails......................................................................................... 39
8.2.7 Edge protection - Safe edges in the control cabinet........................................................ 40
8.2.7.1 Edge protection for rail profiles module (HS).......................................................... 41
8.2.7.2 Edge protection for MS assembly profiles (MS) ..................................................... 42
8.2.7.3 Edge protection for shunt profile RG035 ................................................................ 43
9Assembly .....................................................................................44
9.1 Assembly of the AirSTREAM frame................................................................44
9.2 Assembly of AirSTREAM frame (self-assembly).............................................44
9.2.1 Step 1: Define the positioning.......................................................................................... 44
9.2.1.1 Option X50 (assembly type I).................................................................................. 44
9.2.1.2 Option X00 (assembly type II)................................................................................. 44
9.2.2 Step 2: Construction of a profile module ......................................................................... 45
9.2.3 Step 3: Prepare the support rail....................................................................................... 46
9.2.4 Step 4: Mount profile module onto SR032 support rail.................................................... 47
9.2.4.1 Option 1: Single bolted (GWFS)............................................................................. 47
9.2.4.2 Option 2: Double bolted (GWFS & FK + SM) ......................................................... 47
9.2.4.3 Option 3: Single bolted (FK + SM).......................................................................... 47
9.2.5 Step 5: Aligning the following modules............................................................................ 48
9.2.5.1 Comb lid associated distances ............................................................................... 49
9.2.5.2 Attach comb lid horizontally.................................................................................... 49
9.2.5.3 Attach the comb lid vertically .................................................................................. 50
9.2.6 Step 6: Fasten grounding screw, cable clamp- and EMC module .................................. 53
9.2.7 Step 7: Insert lids to close gaps....................................................................................... 54
9.2.8 Step 8: Attach edge protection ........................................................................................ 54
9.2.9 Step 9: Attach the type label to the frame ....................................................................... 55
9.2.10 Step 10: (Optional) Assembly of shunt rail modules.................................................... 56
9.2.10.1 Example: Shunt profile module RG020, mounted via 2 modules......................... 56
9.2.10.2 Example: Shunt profile module RG035, mounted via 3 modules......................... 57
9.2.11 Step 11: Closing the gaps between multiple modules................................................. 58
10 Demounting .................................................................................59

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11 Commissioning ...........................................................................60
11.1 Attach the frames and accessories in the control cabinet...............................60
11.2 Attach adapting bracket to SR032 ..................................................................61
11.3 Combs.............................................................................................................62
11.3.1 Step 1: Removal of combs........................................................................................... 62
11.3.2 Step 2: Install comb variants and AirBLADE................................................................ 63
11.4 Additional information for AirSTREAM Compact.............................................64
11.4.1 AirSTREAM Compact frame assembly........................................................................ 64
11.4.2 Type of side supports................................................................................................... 64
11.4.3 Side support - module mounting.................................................................................. 65
11.5 Earthing...........................................................................................................66
11.5.1 Proper earthing of wiring frames.................................................................................. 66
11.5.2 Earthing kit ................................................................................................................... 67
11.5.2.1 Earthing kit ES8 (M8) for SR032 Support rails..................................................... 67
11.5.2.2 Earthing kit ES6 (M6) for shunt profiles (RG0xx).................................................. 68
11.5.3 Mounting instruction earthing of frame wiring.............................................................. 69
11.5.3.1 Earthing via support rails (with earthing kit part no. 331805) ............................... 69
11.6 Mounting of components.................................................................................70
11.7 Fixation on the HS rail.....................................................................................70
11.8 Schraubbefestigung auf einem Steg...............................................................71
11.9 Screw attachment via shunt modules .............................................................71
11.9.1 Attachment with several attachment bore holes.......................................................... 72
11.10 Improved stability........................................................................................72
12 Operation .....................................................................................73
12.1 Video Turorial "Control Cabinet Wiring"..........................................................73
12.2 Video Tutorial “New Support Rail SR032”.......................................................73
12.3 Video Turorial "AirSTREAM Systematic Wiring" .............................................74
12.4 Video Turorial "Easy wiring and rewiring" .......................................................74
12.5 Video Turorial "Flexible construction with RG rails" ........................................75
12.6 Video Turorial "AirBLOWER and AirBLADES"................................................75
13 Maintenance ................................................................................76
14 Disposal .......................................................................................77
15 Service .........................................................................................78
16 Revision history ..........................................................................79

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1 Preface
This operating instruction is part of the AirStream product. It contains important information about
the safety and operation of the devices.
Before installing, operating, maintaining or disposing of the device, this
operating instructions must be read and understood.
Risks of injury and damage to property due to non-observance of the
operating instructions.
Always read these operating instructions before planning the system to avoid
or reduce risks and damage.
This operating manual contains important information about the safety,
commissioning, operation, maintenance and disposal of the device.
Keep the document at your fingertips. This applies until the assemblies are
disposed of. Share the operating instructions when the device is sold,
distributed, or lent.
You can also find this operating instructions under www.luetze.de.
In the search box, enter either the product name or the product number.
Select the product in the search result displayed. At the bottom of the product
page you will find the documents belonging to the product.
1.1 About this operating manual
This operating manual contains information about how to handle the products throughout their
entire product life cycle, from delivery to disposal. In addition to this operating instructions,
additional documents apply. If you have any suggestions for improving this document, please
contact Friedrich Lütze GmbH.

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2 General Information
2.1 Symbol Description
2.1.1 Safety Message
The operating instructions contain safety instructions. They indicate possible dangers and give
instructions to avoid them. The safety instructions are indicated by a signal word marked in color.
The color indicates a warning level.
Indicates a hazardous situation which leads to death or serious injuries
if not observed.
Indicates a hazardous situation which can lead to death or serious
injuries if not observed.
Indicates a hazardous situation which can lead to slight or moderate
injuries if not observed.
Indicates a situation which could damage the product or the
environment. This notice does not include injuries.
2.1.2 Instructions for Handling
In addition, the following symbols can be found. These indicate important technical information
and instructions.
Indicates technically important information to operate the device safely.
Indication of the use of tools.
2.2 Copyright
This operating instruction is intended only for the operator and its personnel. The contents may
not be passed on, reproduced, exploited or otherwise communicated to third parties in whole or
in part, unless this has been expressly permitted in writing by Friedrich Lütze GmbH.
General data, text, images, and drawings are protected by copyrigh and are subject to the
industrial property rights. Contravention will be prosecuted. The named brands and product
names in this document are acknowledged as trademarks or registered trademarks owned by the
titleholder.

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2.3 Disclaimer
The operating instruction has been drawn up taking into account applicable standards,
regulations and the current state of the art. The contents of the documentation have been
checked for correctness, but deviations cannot be excluded. No liability is assumed for these
deviations. Changes and additions may be recorded in the next version of the operating
instruction. Friedrich Lütze GmbH accepts no liability for damages or accidents that occur due to
the following points:
•Failure to read and observe this document
•Untrained and unqualified personnel
•Nonconventional use of the product
•Unapproved reconstructions and functional modifications of the product
•Using non-original or approved parts or equipment
2.4 Standards & Regulations
The product is state-of-the-art and follows the prescribed safety regulations and European
standards (EN).
The current versions of the standards and further information on the
product can be found in the corresponding data sheets which are valid
with this document.
2.4.1 Observe further applicable documents
Please also note any other technical documents that may be included with other components of
your system.
This operating manual contains important information about the safety,
commissioning, operation, maintenance and disposal of the device.
Keep the document at your fingertips. This applies until the device is
disposed of. Share the operating instructions when the device is sold,
distributed, or lent.
This operating instruction cannot describe all conceivable problems related to the use of this
device. If you need further information or encounter special problems that are not covered in the
operating instructions, please contact Friedrich Lütze GmbH (see chapter "Service").
For further information on power conductor connections,
also see our Technical Documentation “Guide for Protective Conductor
Connection and Current Carrying Capacity”.
For further information on power wiring, also see
“Short_Recommendation_WiringSystem_SR032_AirStream_en_V00”.

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2.5 Labeling
Mind the adhesive labels.
•Keep the labels readable.
•In case of malfunction, the part number and the serial number might
be needed.
The label is structured according to this scheme:
Abb. 1: Example for labeling
The identification label contains the following information as an example:
▪Article number
▪Product type
▪Product description
▪Article number customer
▪Production site
▪QR code, reference to product information
▪Symbol for the respective approvals
2.5.1 QR Code –Product information
The code refers to further product information in the online catalogue on the Friedrich Lütze
website. To reach the page, proceed as follows:
1) Scan the QR code with a smart phone or with another device that can read QR codes.
2) The default browser with the corresponding page opens.
3) Select the appropriate language.
4) The device appears in the online catalog. Under Downloads, you can Download further
technical documentation:
Abb. 2: Screenshot Online catalog –language selection

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3 Safety
3.1 Related Documents
When using the product, observe all other documents supplied with the
product.
3.2 Safety Notes
3.2.1 Contents of the operating instructions
These instructions must be read and understood before the device is
installed, operated, or maintained.
The operating instructions must be read and complied with before any work carried out on or with
the device. This applies to all persons who come into contact with the device. Trained personnel
and professionals, especially electricians who have already worked with similar equipment,
should also have read and understood the instructions.
3.2.2 Intended Use
The intended use includes the procedure according to the operating instructions. The devices
may only be used for the cases specified in the technical documentation and only in connection
with the third-party equipment and components recommended or approved by us. The proper
and safe operation of the product requires proper transport, storage, installation and assembly,
as well as careful operation and maintenance.
3.2.3 Addressees
This operating instruction manual is intended for planners, project managers and programmers
as well as employees who are entitled to commission, operate and maintain the equipment and
systems. Different skill levels are distinguished in terms of operating personnel.
3.2.3.1 Operating Personnel
Risk of injury by deploying insufficiently qualified operating personnel.
•Misuse by unqualified personnel or insufficiently qualified personnel can cause
property damages and personal injuries.
•Tasks which apply special procedures should be done by trained and qualified
employees or experts, especially electricians.
(according to EN 60204-1 and DIN VDE 0100-510)
The operating instructions are directed at the operator and the personnel with the
following areas of competence:
Work area
Competence
Installation
Qualified Electricians
Transport and Storage
Experts / Transport Personnel

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Commissioning, Decommissioning
Experts
Operation
Trained staff / Users
Maintenance and Servicing
Experts / Service Personnel
Cleaning
Experts / Service Personnel
Troubleshooting
Experts
Trained staff
The staff was instructed by the operator about the tasks assigned and the potential dangers
arising from them. No professional knowledge required.
Experts
The staff has professional training, knowledge and/or experience in the respective field and is
therefore able to carry out certain work on and with the equipment.
Qualified Electricians
The staff has professional training and is therefore able to carry out special work on and with the
device. According to the European standard EN 50110-1:2008-09-01 Section 3.2.3
The different sections of this operating instruction refer to the different
qualification levels of the operating personnel.
3.2.4 Responsibility of the Operator
The customer is subject to a feedback obligation if safety-related errors are
detected.
Since the device is operated in the commercial sector, the operator of the device is responsible
for compliance with the instructions on occupational safety:
▪The operator of the device is obliged to instruct the operating personnel and to inform them
about the industrial safety regulations.
▪The operator must ensure safety conditions, prevent accidents and comply with environmental
protection requirements.
▪The operator must carry out an appropriate safety assessment at the workplace in order to
rule out or warn of possible hazards.
▪The operating instructions must be kept in close proximity to the device.
▪The information / instructions in the operating instructions must be followed.
▪The device may only be operated in technically perfect condition.

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3.2.5 Protective Clothing and Equipment
Crushing, cutting and impact injuries in case of non-compliance with
the safety regulations for transport and assembly.
Failure to comply with the regulations for proper transport and assembly may
result in bruising, cutting or impact injuries. Observe all applicable standards
and regulations. Transport and assembly may only be carried out by qualified
operating personnel.
Use appropriate work clothes, work gloves, safety goggles and ESD safety shoes.
3.2.6 Reconstruction and Modification of the Product
Modifications and conversions lead to personal injury and property
damage.
Unauthorized modifications to the product may result in electric shock or
injury and destroy the product.
▪ Do not make any changes or modifications to the product.
▪ If a modification or change cannot be avoided, have the modification
approved in writing by Friedrich Lütze GmbH.
Do not make any changes or modifications to the equipment that have not previously been
expressly approved in writing by Friedrich Lütze GmbH.
3.2.7 Further Safety Notes
Short circuits and electric shocks by wrong voltage application and
wrong wiring.
•The components on the wiring frame can be damaged by electric
current..
•Switch off the power of the whole system before wiring.
Risk of injury by electric current.
•The components on the wiring frame can be damaged by electric
current.
•Deenergize the system before mounting.
Risk Of Burns, Explosion, Fire, Electrical Shock, Personal Injury .
•Never carry out work on live parts! Danger of fatal injury! The
product's enclosure may be hot, allow time for cooling product before
touching it.
•Do not allow liquids or foreign objects to enter into the products.
•To avoid sparks, do not connect or disconnect the components on
the wiring frame before having previously turned-off input power and
wait for internal capacitors discharge (minimum 1 minute).

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Follow the ESD guidelines.
Use only certified components. Only then can reliable functioning be
guaranteed.
Observe the applicable safety regulations and general regulations on
technical standards.
The device is designed for indoor use and installation in cabinets.

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3.3 Special Safety Notes
AirSTREAM mounting frame, must be installed in a closed control
cabinet. Otherwise, damage may be caused by ambient temperature,
humidity or dust.
For reliable operation, refer to the transport, assembly, storage,
environmental conditions and nationally applicable installation regulations.
AirSTREAM mounting frames with particularly heavy components must
be transported in a horizontal position and, if necessary, secured
separately for transport.
For reliable operation, please observe the transport instructions of Lütze
GmbH and the component manufacturers.

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4 Product Overview
4.1 Product Description
The new AirSTREAM mounting rail system is suitable for users that want to design a mounting frame
independently, quickly and easily on site. To this end, the LÜTZE engineers have expanded the
modular system to include defined lengths and standardized dimensions in a 10, 25 and 50-mm hole
pattern. The AirSTREAM mounting rail system offers up to 12 mm more depth, which is highly
beneficial for special cabinets. The mounting rails offer much more flexibility, also for the subsequent
assembly of the equipment. This allows other modules to be installed between the installed modules
using rotating sliding nuts. Alternatively, entire fields in the middle of the frame can be left free for
subsequent configuration. In addition to a snap-fit edge protector that closes the ends of the mounting
rail cleanly, Lütze has produced new brackets that are specially designed for the mounting rail system.
These brackets allow the space-saving installation of rails across the entire frame width. The new
mounting rails are compatible to the long-time proven VPsym system, which means both systems can
be used in parallel.
The central benefit of the new AirSTREAM mounting rail system is the significant time savings when
assembling the frame. Practical tests confirm that the time required for final assembly can be cut by up
to 50%. The assembly process is flexible and intuitive thanks to the defined hole pattern. Without
measuring or drilling, modules can be positioned and screwed using brackets or even EMC profiles in
a 10 mm grid or with slide nuts. Users do not require an assembly table nor special tools to build
the frame. Assembly on the workshop floor is even possible.
To affix the frame in the cabinet, Lütze also supplies special adapter brackets and flexible screws that
simplify the frame installation depending on the circumstances. To this end, a cage nut with a metric
thread is swung into the required point of the mounting rail hole pattern. Alternatively, tapping screws
can be used.
The AirSTREAM mounting rails are shaped in a profiling procedure, during which a high-quality steel
plate is processed in numerous steps and shaped into its new structure. The mounting rail modules
offer excellent current capacity and contact resistance properties and are continuously earthed.
Compared to the classic mounting plate, an AirSTREAM frame built with the new mounting rails offers
a weight saving of approximately 8 kg.
The AirSTREAM mounting rail system has completed all tests and certifications relevant for industrial
use with regard to loads, including vibration-shock, corrosion and harmful gas.
4.2 AirSTREAM background
The duct-free AirSTREAM wiring system enables the climate in the control cabinet to be improved so
that the active cooling output can be minimized. In contrast to conventional control cabinet designs
with mounting plates, the design is separated from the wiring level in the AirSTREAM and cable ducts
that impair the flows are avoided. Also, a chimney effect is created behind the wiring frame and
ideally, the cold air is guided downwards to the rear and then to the front and upwards again.
Therefore, a cool zone is created on the rear side of the cabling. Permanent air circulation is
generated between the warmer wiring front side and the cooler wiring rear side.
The flexible design and lack of cable ducts in combination with the AirSTREAM system generates
more space in the control cabinet and helps to save time when wiring, mounting and dismantling.

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The AirSTREAM wiring system is the central element of a control cabinet. It is made of steel frames in
which the wire guide (with modular wiring combs) has already been integrated. This means that no
cable ducts are required. The wiring is practically only done from the front.
Due to this design, more components can be accommodated on smaller dimensions. The components
are constantly surrounded by cool air. Resulting heat is dissipated.
Flexible thanks to modular design
The AirSTREAM with module parts for individually assembled frames ensures great flexibility and
freedom in modern control cabinet construction.
Compatible with previous systems
The new mounting rails are compatible to the long-time proven VPsym system, which means both
systems can be used in parallel.
Thin profiles increase load-bearing capacity
The profiles are very thin and therefore provide 40% more wiring space in the control cabinet. They
also streamline the assembly space requirement with their own design. Cooling air can circulate more
easily. All components are more accessible.

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Lightweight but sturdy materials
The frame's special profile is not only stronger, it
also requires less space. The installation is both
lighter and sturdier.
The comb segments that hold the wires are simply
clipped to the profile or levered out with a
screwdriver, if they need to be exchanged.
The new core structure of the AirSTREAM profiles
can also hold heavy components safely and
securely. The mature system of attachment points
and shunt rails offers an infinite array of
possibilities for installing all components.
The core structure of the AirSTREAM profiles
also carries heavy components. The system
of fastening points and shunting profiles
opens up many possibilities for the assembly
of almost all components.
Compact design with space for air circulation
The wiring is compact and offers plenty of
space for the wires. Cable ducts are
superfluous, because the wiring level is
already integrated into the frame via the
thinner profiles or the built-in brackets. This
results in an intelligent, aerodynamically
favorable air ducting system which, despite its
compact design, specifically avoids hot spots
from heat losses.
This multi-use effect is achieved by the
separation into a construction level and a
wiring level.
This creates a chimney effect. Due to this
natural air circulation in the control cabinet,
the air flows almost unhindered past the
modules and wires –the heat loss is
disspated, thus less cooling capacity are
required and resources are saved.

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EPLAN Data Portal
The previous Lütze AirSTREAM wiring system is available in the EPLAN Data Portal. The engineering
of all AirSTREAM standard modules can thus be significantly simplified and accelerated.
With the integration of the Lütze AirSTREAM wiring system in the EPLAN Data Portal, designers
benefit from cross-disciplinary engineering tools: Project planning, 3D layout, production and assembly
of an AirSTREAM wiring frame merge on a uniform data basis and enable standardized processes,
automated processes and end-to-end workflows. Component updates are carried out independently
via the EPLAN Data Portal. As a result, the design times for a Lütze AirSTREAM frame are minimized,
market launches can be realized earlier.
The information for the new SR032 wiring system is not yet available in
the EPLAN. If you have any further questions, please contact the
Service.
For more information, see also our video about the Lütze configurator
for EPLAN Electric P8 https://youtu.be/VZVtg_UuvoA.

Operating instructions - Lütze AirSTREAM - SR032
19
AirSTREAM Compact
Ideal for small switch boxes and cabinets
AirSTREAM Compact is used in smaller, compact control cabinets, where space in depth is often
very limited.
Thanks to the flexible design, more space can be generated in the control cabinet and time can
be saved during wiring as well as during assembly and modification.
Differences to the classic AirSTREAM
In the AirSTREAM Compact, the beam profiles are not carried over brackets, but by supports.
These are available in different lengths to realize different depths. The wiring is done exclusively
from the front.
The wiring is done from the front only, with the wires being wired away from the back via the
combs and then laid sideways from top to bottom via the supports.
Simple mounting of large components
A superstructure of converters or other components, which are fastened by screws, is realized
with shunting beams. In addition, components can also be screwed directly in the sliding nut
channel.

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4.3 Description of system components
4.3.1 AirBLADE
AirBLADES (Part no. 380281.0010) are used for targeted air flow in the control cabinet. They can
be used in a 50 mm grid instead of a comb and direct the air flow from the back of the
AirSTREAM frame to the front, allowing air to flow around devices in a targeted manner.
4.3.2 AirBLOWER
Der AirBLOWER (Part no. 777000.1011) is a fan bench for the LÜTZE AirSTREAM wiring
system. With the AirBLOWER, the climate in the control cabinet can be quickly homogenized. By
using an AirBLOWER and the associated AirBLADES, hot spots in the control cabinet are
avoided. The control unit LCOS-AB-I (Part no. 777100.0011) is used for the control and
monitoring of the AirBLOWER fan bench. When using an AirBLOWER, an air conditioner that
may be used in addition, only needs to be switched on if required.