SELECTION SOFTWARE FOR DUPLEX COMPACT UNITS

SOFTWARE DESCRIPTION

The program is designed to provide a complete technical design of the DUPLEX series compact units with heat recovery, enabling to select all unit components including heating and cooling coils with detailed specification.
Program output includes a complete technical report with all drawings, charts, electrical schemes and itemized cost estimate. The program supports data export to DXF format for AutoCAD, and RTF & DOC format for WORD. Also a technical report can be exported to PDF format for Acrobat.

CHANGES SINCE THE LAST VERSION

28.09.2025 ______ 9.59
- new versions 70 and 71 added for DUPLEX Roto 1500-5000 units
- new radon sensor added for automatic unit control
- modification of exports to DXF, IFC, and RFA - it is now possible to set your own file naming rules
- optional heated condensate outlets added also for indoor units
- calculations for large-area hoods added
- update of the module for cooperation with Revit - support also for Revit 2026, parameters Manufacturer, Model, Description, and Type Comments were modified and added
- catalog sheet update
- other minor modifications and error corrections

29.1.2025 ______ 9.50
- built-in electric preheaters and reheaters added also for semicompact units Multi (Eco)(-N), Roto (-N), Basic (-N)
- water preheaters PT added for semicompact units Multi (Eco)(-N), Basic (-N)
- external pressure on ODA and EHA plus air volume reserve for network leakage can now be entered in SMART boxes
- air volume from the hoods is now transferred automatically to the heat recovery unit, including a detailed table
- aMotion control system added also for kitchen ventilation
- further speedup of the program, including its installation
- update of the module for synergy with the Revit program - addition of 2025 Revit version support
- catalog sheet update
- other minor modifications and error corrections

14.6.2024 ______ 9.45
- new filtration class ePM1 80% (F9) added for DUPLEX units
- extended range of the rotary heat exchangers for DUPLEX Roto units
- new aM-XK4 expander for aMotion control system added for kitchen ventilation
- faster speed of the most parts of the program
- catalog sheet update
- other minor modifications and error corrections

11.1.2024 ______ 9.40
- added new small domestic ventilation unit DUPLEX Slim; unit is characterized by high compactness and excellent acoustic performance, to be mounted vertically
- catalogue sheet and certificates update
- other minor modifications and error corrections

11.10.2023 ______ 9.36
- added new generation of small domestic ventilation units DUPLEX Easy2; units are characterized by high compactness and excellent acoustic performance
- catalogue sheet and certificates update
- other minor modifications and error corrections

29.06.2023 ______ 9.35
- added smaller size of the DUPLEX Inter-H 770 under-ceiling decentral unit
- added new generation of small domestic ventilation units DUPLEX Pro and DUPLEX Pro-V; units meet the highest energy class A+ and are characterized by high compactness and excellent acoustic performance
- catalogue sheet and certificates update
- other minor modifications and error corrections

14.02.2023 ______ 9.31
- new line of decentralized units DUPLEX Inter-H added - special silent indoor units designed foremost for classrooms - ceiling-suspended type
- catalogue sheet and certificates update
- other minor modifications and error corrections

14.10.2022 ______ 9.30
- catalogue sheet and certificates update
- other minor modifications and error corrections

28.06.2022 ______ 9.25
- full support of the new, modern aMotion control system for DUPLEX Multi, MultiEco, Roto, Basic, EC5, ECV5 and Inter series units - the new control system is based on the successful RD5 control system and significantly expands control options, support for the new aTouch controllers (color touch screen) and the aDot (simpler variant)
- update of the module for synergy with the Revit program - addition of 2023 Revit version support
- catalogue sheet and certificates update
- other minor modifications and error corrections

10.02.2022 ______ 9.20
- a new (third) generation of DUPLEX Flexi units added - the new design "6v1" provides for all types of free-standing, ceiling-suspended and rooftop installation
- the section of ventilation calculation in (industrial) kitchens further expanded
- catalogue sheet and certificates update
- other minor modifications and error corrections

15.10.2021 ______ 9.10
- extended export for BIM (Revit) - it is now possible to export directly into RFA format
- the new section for (industrial) kitchen design calculation extended - calculations added, appliances added, kitchen hood design options extended 
- new units DUPLEX EC5-E and ECV5-E with enthalpy heat recovery core added
- update of the module for synergy with the Revit program - addition of 2022 Revit version support
- catalogue sheet and certificates update
- other minor modifications and error corrections

30.01.2021 ______ 9.00
- enhancement of new software feature for calculating the ventilation of (industrial) kitchens
- catalogue sheet and certificates update
- other minor modifications and error corrections

14.11.2020 ______ 8.98
- brand new range of path-breaking units DUPLEX RS5 for circulation ventilation, heating and cooling; suitable not only for commercial premises
- brand new range of units DUPLEX Flexi-V  (500-3500 m3/h)
- update of the module for synergy with the Revit program - addition of 2021 Revit version support
- brand new software feature for calculating the ventilation of (industrial) kitchens - the first released part involves the calculation of air volume based on the appliances installed, calculations according to the German guideline VDI 2052 and the new European norm EN 16282 are supported
- catalogue sheet update
- other minor modifications and error corrections

14.02.2020 ______ 8.97
- facelift of units DUPLEX RDH5-L - new generation of these special units for swimming pools are also suitable for saltwater pools
- accessories added (condensate pumps, motion sensor, external flaps for small ventilation units, etc.)
- catalogue sheet update
- other minor modifications and error corrections

15.11.2019 ______ 8.95
- catalogue sheet update
- other minor modifications and error corrections

15.02.2019 ______ 8.90
- new line of DUPLEX Silent units added - special line of units intended foremost for apartment buildings, ideally in combination with VAV boxes of the line SMART box and EASY box
- new line of decentralized units DUPLEX Inter added - special silent indoor units designed foremost for classrooms and offices
- added a new DUPLEX 650 Flexi, an all-purpose compact unit with very high heat recovery efficiency and versatile installation position
- catalogue sheet update
- other minor modifications and error corrections

30.09.2018 ______ 8.85
- support of R32 applications for DX coils
- built-in electric pre-heaters for roof-top units DUPLEX Multi-N, DUPLEX Multi Eco-N and DUPLEX Basic-N added
- full support of BIM added
a) selection software exports the selected units in the IFC format including all technical data (weight, airflow, pressure, efficiency, power input etc.) with active connectors to connect all ducts and media;
b) if the software Autodesk Revit is present, the option of importing IFC file is added here automatically; a direct two-way interface of the selection software and the Revit software is added too.
- catalogue sheet update
- other minor modifications and error corrections

28.03.2018 ______ 8.80
- full support of EASY boxes added - simple and versatile regulation boxes for VAV and CAV systems
- catalogue sheet update
- error corrections

28.11.2017 ______ 8.71
- catalogue sheet update
- error corrections

11.10.2017 ______ 8.70
- full support for SMART boxes added - a unique comprehensive central ventilation system combining VAV flow rate controllers and all-purpose heat recovery DUPLEX units - selection software makes it possible to add a SMART box with all details to each DUPLEX unit, calculates the total flow rate of the unit taking current factors into account, draws connection schematics etc.
- a new built-in electric reheaters for DUPLEX Multi, DUPLEX Multi Eco and DUPLEX Basic units added
- improved print and PDF export
- a new welcome window added
- catalogue sheet update
- other minor modifications and error corrections

15.02.2017 ______ version 8.50
- new units DUPLEX Multi 10.000 and 11.000, DUPLEX MultiEco 7.500 and 9.000, DUPLEX Basic 12.100 and 15.100 for rooftop as well as indoor installation added; the units can be fitted with the new RD5 control system with Internet access
- new control system CPM as an optional feature for DUPLEX Multi, MultiEco, Basic and Flexi units added; the new generation is based on the proven CPA control system with simple touch-screen display, newly also for use with chilled-water or direct cooling
- catalogue sheet update
- other minor modifications and error corrections

30.06.2016 ______ version 8.20
- added a brand new range of all-purpose ventilation units DUPLEX Roto size 1500, 2500, 4000 and 5000 for indoor (DUPLEX Roto) as well as rooftop (DUPLEX Roto-N) installation; the units can be fitted with the new RD5 control system with internet access
 - a new, fifth generation of ventilation units with air circulation DUPLEX RA5, RB5 and RK5 series added – each contains integrated new control system RD5 incl. internet access, while the new generation has significantly improved acoustic properties 
 - a new, fifth generation of DUPLEX RDH5 for ventilating small swimming pool areas added, incl. ventilation calculation according to swimming pool parameters
- catalogue sheet update
- other minor modifications and error corrections

31.03.2016 ______ version 8.10
- a new generation of small ventilation units DUPLEX EC5 and DUPLEX ECV5 added; the units have the new RD5 control system with Internet connection (high-comfort version) or the basic CPA control system (simple low-cost version); the newly designed units meet the requirements of the highest energy class A+ and have excellent noise parameters 
- many internal changes for faster program performance
- catalog sheet update
- other minor modifications and error corrections

19.01.2016 ______ version 8.00
- calculations and mandatory information under Ecodesign added – according Regulations 1253/2014 and 1254/2014
- an option to choose additional operating point for all units
- all data including acoustic power updated
- Windows 10 functionality optimization
- a brand new generation of all-purpose ventilation units with heat recovery DUPLEX Multi Eco added
- new generation of DUPLEX Flexi units added – all parameters are significantly improved as a result of new fans and modified heat recovery exchangers
- catalogue sheet update
- other minor modifications and error corrections

01.07.2015 ______ version 7.80
- added a brand new range of all-purpose ventilation units DUPLEX Roto sizes 8.000, 12.000, 15.000; incl. also rooftop version DUPLEX Roto-N; same as other DUPLEX range units they contain rotary heat recovery exchangers and all other accessories including the most recent RD5 control system 
- the new control system RD5 for DUPLEX Multi and DUPLEX Basic units follows up on the successful RD4 controls range, significantly improving on it, with new CP Touch (touch-screen display, more colour versions) and CP 10 RT (for easy temperature and fan speed setting) controllers and an extended web server with major improvements, built-in as standard
- a new extension RD5-K module with special functions for air handling system control in industrial kitchens and other specific spaces 
- a new extension RD-BACnet/KNX module which allows connecting units with RD4 and RD5 controls to parent systems via BACnet/IP or KNX protocols
- updated heat recovery efficiency in DUPLEX Multi 1500-8000 – thanks to minor improvements the already excellent basic (dry) heat recovery efficiency rate has been increased by another 2 – 4%
- optimized windows for low-resolution screens, e.g. laptops 
- new accessories added – pressure sampling for speedy flow rate measurement using manometers 
- new sizes of EPO-V electric heaters added 
- catalogue sheet update
- other minor modifications and error corrections

22.01.2015 ______ version 7.70
- new CP control system with CPA controller (with touch-screen display) also for use with DUPLEX Multi units added
- catalog sheet update
- other minor modifications and error corrections

03.09.2014 ______ version 7.60
- a brand new generation of all-purpose heat recovery ventilation units with all outlets directed upwards - DUPLEX Basic-V (with cross flow heat recovery exchangers) and DUPLEX Multi-V (with counter flow heat recovery exchangers) - the new generation introduces a completely redesigned casing, new EC fans with very low power input and high available pressure and a fully new layout
- catalog sheet update
- other minor modifications and error corrections

20.05.2014 ______ version 7.50
- a new generation of rooftop units with heat recovery DUPLEX Basic-N 1400-10100 added - the new generation introduces a fully redesigned casing, new EC fans with very low power input and high available pressure and a new baseline CP control system with a new controller with touch screen display
- catalog sheet update
- other minor modifications and error corrections

03.03.2014 ______ version 7.40
- a completely new generation of DUPLEX Basic 1400-10100 all-purpose ventilation units for wide use with cross flow heat recovery exchanger added - the new generation introduces a fully redesigned casing, new EC fans with very low power input and high available pressure and a new baseline CP control system with a new controller CPA with touch screen display
- catalog sheet update
- other minor modifications and error corrections

17.12.2013 ______ version 7.30
- a brand new small units DUPLEX Easy added 
- catalog sheet update
- other minor modifications and error corrections

22.10.2013 ______ version 7.20
- a brand new generation of rooftop units with heat recovery DUPLEX Multi-N added - the new generation brings a revamped casing, new EC fans with very low power input and large available pressure, a brand new S7.C-series heat recovery exchanger and a new RD4 control system with an in-built web server
- added the DUPLEX 500 Multi and DUPLEX 1000 Multi -  small all-purpose ventilation units
- added the DUPLEX 8000 Multi -  a big all-purpose ventilation unit
- catalog sheet update
- other minor modifications and error corrections

PROGRAM UPDATE IS PROVIDED BY

               ATREA s.r.o.
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               Jablonec nad Nisou
               466 05
               Czech Republic
               Phone: (+420) 483 368 111
               Fax: (+420) 483 368 112
               e-mail: atrea@atrea.cz 
               www.atrea.cz 

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