Release Polysun 6.0 – Overview of new features
New Features
- PV rooftop planner
- Batteries for PV self-consumption optimization
- Expansion vessel for solar loop
- Simulation analysis on time step level
- Heat pumps: input of freely-definable reference points
- Freely positionable text labels
- Freely programmable controllers
New catalogue and database updates
- 2037 new PV modules (worldwide)
- 244 new inverters (worldwide)
- 241 solar thermal collectors from the Solar Keymark and SPF databases (Europe)
- Battery catalogue
- Templates for heat pump systems
- Solcrafte
- Several new collectors (Absolicon, SET, SRCC concentrating collectors, etc.)
- Revision of ethylen mixtures
Schemes and company entries
- Sonnenkraft
- Solcrafte
- Solar Cooling
- Schweizer Metallbau
- Revised swimming pool templates
- Several new templates (solar cooling, latent heat storage, etc.)
Other improvements
- Chapter “Financial Analysis“ added to the manual
- New “Look & feel“
- SIA Report
 Attention: Polysun 6 includes three collectors that are not listed correctly. The catalogue numbers of these collectors are: 420, 970 and 1209. Please download and import the correct collectors into the Polysun database: Polysun Update 5.10.13 – Overview of new features
New catalogue and database updates
- 12 new inverters inverters (worldwide)
- 142 new PV modules (worldwide)
- 370 solar thermal collectors from the Solar Keymark and SPF databases (Europe)
- 57 SRCC OG 100 certified solar thermal collectors (North America)
- 13 new heat pumps (worldwide)
- New solar loop fluids
- Ritter-Solar schemes
New schemes and company entries
- Solcrafte: new special report
- Ecotech: company version – specially tailored for the Austrian market
- Hoval: 3 new hydraulic schemes
- Ernst Schweizer: improved result display, especially as regards solar energy results
- Walter Meier: new hydraulic schemes
Release Polysun 5.10 – Overview of new features
New features
- Bookmark feature: favorite products in the Polysun catalogs can be marked as such with the star icon. This way, they are always displayed as first choice.
- Easier quick start to simulation: the software automatically selects the last used variant.
- The user wizard features a new design wizard for ground-source loops, improved access to weather data as well as a wide range of other features that make Polysun easier to use.
New catalogue and database updates
- 141 new PV modules (worldwide)
- 714 new inverters (worldwide)
- 368 solar thermal collectors from the Solar Keymark and SPF databases (Europe)
- 56 SRCC OG 100 certified solar thermal collectors (North America)
New schemes and company entries
- Sonnenkraft thermosiphon systems
- Walter Meier hydraulic schemes
- Huggler Energietechnik tanks
- PVT collectors for PA-ID PROCESS GmbH
- Additional Hoval hydraulic schemes
New developments for Polysun Photovoltaics
- The PV design wizard was revised to display more and more reliable inverter layouts. The wizard was also made more stable and warning messages were revised.
New developments for Polysun Solar Thermal
- Swimming pools are now taken into account for suggestions made by the wizard for optimal collector design. The software can now suggest the optimal design of systems including hot water, space heating and swimming pools.
- Chinese collectors are now calculated based on aperture area.
- The American collector model was integrated with a state-of-the-art correction factor that is applied when the collector operates at lower flow-rates than in tests.
New developments for Polysun Heat Pumps
- A new design wizard assists the user in the optimal dimensioning of ground-source loop fields.
- The distance between several boreholes can now be entered directly on the user interface.
- Possibility to define the depth of each single soil layer.
Other improvements
- Building models were revised to adjust them to Mediterranean climate conditions.
- Measuring unit rectified for building load input.
- In Polysun Solar Cooling, the wet recooler was revised.
Release Polysun 5.9
New catalog and database updates (for the Professional version and above)
- The PV module database from Photon was updated to the latest version
- New inverters from the Photon database (worldwide)
- Solar thermal collectors from the Solar Keymark database (Europe)
- Solar thermal collectors from the SPF database (Europe)
- SRCC OG 100 certified solar thermal collectors (North America)
- Bosch USA heat pumps
- Stiebel Eltron tanks
New developments for Polysun solar thermal and heat pumps
- The gross heat gain table for all Solar Key Mark certified flat-plate collectors shows heat gains at different fixed medium temperatures.
- For the financial analysis, the feed-in tariff is now also available for solar thermal energy.
- User manual: the “Controller“ chapter was revised, a new chapter 6, “Tips and Tricks to work with Designer“, was added; economic viability was updated (UK renewable heat incentive)
New developments for Polysun Photovoltaics
- More suggestions for inverter setup in PV fields with a low number of modules
- Only single, two or three-phase inverters are suggested according to PV field output. This feature can be switched on and off in the settings.
- A new column for the galvanic separation in the model catalogue
- Better default module temperatures in the wizard with American units
- Improved Polysun PV reports: certain diagrams only appear when actually needed; for example, Etot was removed from all reports.
- Photovoltaics Reactive Power: as a new feature, the power ratio calculation in the wizard also takes into account the reactive power. This enables to define the cos phi value. Reactive and apparent power are shown in both results and reports.
Other improvements
- The Updater dialog box allows now to directly close Polysun and start the Updater in case an update is available. A new menu item (“Check for software updates“) was added to the menu “Options”.
- The Online Maps feature now also works through a proxy server.
- Many of the upper limits were increased to allow for the calculation of larger systems, i.e. the increase of the loop volume value allows larger swimming-pools to be calculated.
Polysun 5.8 Release – Overview of new features
New developments for all Polysun versions
- Impeccable Polysun reports are provided in a variety of formats (PDF, Word, Power Point, Excel, HTML).
- An ENEV report now provides results in a format that conforms to German standards.
New developments for Polysun Photovoltaics
- A new shading editor allows users to account for row-to-row shading as well as shading caused by nearby objects in the easiest possible way.
- The amount of electricity used for self-consumption can now be recorded as an annual value (sum of all counter readings) or as an annual profile.
New developments for Polysun Solar Thermal and Heat Pumps
- Visualization of controller connections: both the location of sensors (in blue) and the controlled element (in red) are displayed.
- The collector model for unglazed absorbers has been expanded so that energy may be also generated if the collector temperature is lower than the ambient temperature.
- The concentrating collector model has been expanded and integrated with a number of collectors. Newly listed items include Solarbeam, a two-axis tracking parabolic collector manufactured by Solartron and NEP PolyTrough 1200, a parabolic trough collector.
New catalogue and database updates (for the Professional version and above)
- 7600 PV modules from the Photon database (worldwide)
- 600 inverters from the Photon database (worldwide)
- 200 solar thermal collectors (SRCC OG 100 certified) (North America)
- 2 concentrating collectors (tested under the SRCC 600 standard) (worldwide)
- 6 SunMaxx water tanks (USA)
- 4 A.O. Smith water tanks (USA)
- 3 Lochinvar water tanks (USA)
- 10 Rheem water tanks (USA)
- 3 Northern Lights Solar Solutions water tanks (Canada)
- Solar Building Company from UK with 18 PV modules and 18 Samil Power inverters (UK)
- 20 Bosch water tanks (Brazil)
- 200 solar thermal collectors from the Solar Keymark database (Europe)
- 100 solar thermal collectors from the SPF database (Europe)
- 22 Stiebel Eltron heat pumps and 22 water tanks (Germany)
- 16 Sailer multi-layered water tanks (Germany)
New hydraulic and photovoltaic schemes
- 5 SunMaxx solar thermal hot water schemes (USA)
- 4 UMA solar thermal hot water schemes (USA)
- 20 Bosch solar thermal hot water schemes (Brazil)
- 3 Solar Building Company PV schemes (UK)
- 13 Northern Lights Solar Solutions solar thermal schemes (Canada)
- 3 Solcrafte solar thermal hot water schemes (worldwide)
- 14 Rotex solar thermal and heat pump schemes (Germany)
- 3 Sailer solar thermal multi-layered storage tank schemes (Germany)
- 13 Apsilone solar thermal and heat pump schemes (France)
- 1 Polysun space heating scheme with ground-source loop regeneration
- 1 ground-source loop with load profile
- 1 typical reference system for existing hot water and space heating without solar
*2 Spanish solar thermal multi-tank hydraulic systems
- 3 unpressurized Chinese solar thermal hydraulic systems
Other improvements
- Standard pumps in Polysun have been replaced with optimized eco-pumps.
- Polysun Installer, Uninstaller and Updater always require new compulsory Administrator rights with Windows 7
- Decimal digits for economic viability extended to 3 decimal places
New Features in Polysun 5.7
New Developments
- Polysun Customized company version for “Northern Lights Cedar Tubs”, based in Canada
- Polysun Customized for “The Solar Building Company”, a PV distributor based in the UK
- Polysun Online for Soltop, a Swiss based manufacturer of solar thermal and PV systems (please find here more info about Polysun Online)
- Polysun Customized company version for Ernst Schweizer, a Swiss based manufacturer and exporter of solar thermal systems.
Database Updates
- Photon PV module- & inverter-database update
- SRCC, SPF, Solar Keymark collector database update
- Vaillant solar thermal storage tanks
- Solarzentrum Allgäu has implemented their new hybrid PVT-modules. It is now possible to compare the difference between their water-cooled hybrid modules and regular PV-modules.
Scheme Templates
- Following companies have implemented their hydraulic schemes:
- Rotex (German manufacturer )
- Apsilone (France)
- Solcrafte (Austria / International)
- Tobler Haustechnik (Switzerland)
- Ernst Schweizer (Swiss based exporter)
- New hydraulic schematics for hybrid systems, combining heat pumps, ground loops and solar thermal technology.
Improvements
- Boiler, furnace, and heat pump size recommendation in wizard.
- Online map interface for the selection of the climatic data shows less error warnings.
New Features in Polysun 5.6
New developments
- Polysun Online for Helvetic-Energy (former Conergy Switzerland)
- A special Rheinzink report is now available in Results-Special Reports
- PVT collector database for SRCC certified collectors
Database Updates
- Photon PV Module and Inverter database update
- SRCC and SPF collector database update
- Buchs heat pump database update
- New Large solar storage tanks (Jenni)
Scheme templates
- New system diagram templates for Hoval, Soltop, 40 SunEarth Inc. schemes for the US market
- 10 typical solar-thermal space heating assisted templates for North America
- 10 new solar templates in general
- 6 new schemes for commercial solar-thermal systems for California CSI
Improvements
- Improved collector and boiler size recommendations in Wizard
- Cold water temperature can be automatically defined with the aid of weather data or adjusted manually.
- Pump flow-rate adjusts automatically to the available controller settings.
- The nominal hot water flow-rate adjusts automatically to the consumption rate.
- Improved choice of water tank in Wizard
New Features in Polysun 5.5User interface
- Both the graphics and the content of the Polysun design wizard have been completely overhauled.
- Polysun system diagrams are now offered also in an online version for companies.
New developments
- Thermal and PV-thermal hybrid concentrating-collector models
- The PV-inverter design wizard suggests up to three models per field.
- Seasonal performance factor according to VDI4650 and dynamically simulated
Database Updates
- All collectors included in the Solar Keymark collector database can be simulated (about 1000 new items)
- Photon PV Module and Inverter database update
- SRCC and SPF collector database update
- Buchs heat pump database update
- Solimpeks PVT hybrid collectors
Scheme templates
- 3 SolarH2OT schemes for the US market
- 22 typical solar-thermal hydraulic schemes for the Swiss market
- 3 solar-thermal schemes for the Austrian market
- 1 Ratiotherm Oskar scheme with a variety of tanks
- Around 10 new schemes for large solar-thermal and hybrid systems (combination of solar thermal energy with geothermal ground-source loops and heat pumps)
Improvements
- Cold water temperature can be automatically defined with the aid of weather data or adjusted manually.
- Pump flow-rate adjusts automatically to the available controller settings.
- The nominal hot water flow-rate adjusts automatically to the consumption rate.
- The energy flow diagram is now available also for heat sinks.
- COP-curves for heat pumps and solar chillers were further improved using a new three-dimensional interpolation model.
New Features in Polysun 5.4
New Features
- Report includes financial analysis
- The Pro report shows a picture of the map section and a picture of the site.
- Double click on a Polysun file *.pse and start Polysun automatically.
- Enter monthly weather data manually in GUI
- A new Scattered Data Interpolation is used for COP calculation
Database Updates
- Photon PV moduls
- Photon inverters
- SRCC and SPF collectorsPhilipine Schemes
- Rheinzink Schemes
Improvements
- New weather data file from Meteonorm-Version 6.1
- Bug fix for sites north of polar circle
- improved sorting of PV/inverter layout options
- Polysun Help-PDF file added in Chinese
- Multi-screen solved when using mutlipel screens working with Polysun.
- An automatic support file is generated and saved on your desktop when pushing support button.
- Improved graphis of energy flow diagram
Important note for Designer level users
The old building model will no longer be supported in the next update 5.5. Please replace old building models in projects if any with the new one.
 New Features in Polysun 5.3 General - Reference report compares two system diagrams in one report
- Energy flow diagram of the results
Following catalogs have been updated to the latest version: - SRCC & SPF collector catalog
- Photon PV and inverter catalog
- Rheem and State Water Heater tanks
- Walter Meier products
- PermaSolar Hydronic scheme
- Plus a lot more catalog entries
Solar Cooling New Features in Polysun 5.2All Versions - Improved map feature for the selection of worldwide weather locations
- Native MAC version (please contact Vela Solaris for more info)
- Spanish and French tutorial translation completed
PV-Version - PV-module and inverter database updated with thousands of new entries (Photon Database)
- Improved wizard for wire losses
- Improve wizard for PV field and inverter mismatching factor
- Improved saving and loading of PV-projects
Solar thermal Version - Collector database updated with new entries
- New DHW template for commercial application
Solar Cooling Version - Cooling manual (please contact Vela Solaris team for a copy)
- Adsorption Chiller available in Beta Version (please contact Vela Solaris team)
- Variable fan speed option for wet recooler
- Improvement in energy balance between cooling components i.e. water-water heat pump, absorption chiller, and building
New Features in Polysun 5.1 - Solar cooling
- PV Layout-Wizard enhanced with cable losses and inverter setup validation
- Result reports in Power Point, Word, and Excel
- Convenient Selection of worldwide weather location with online map
- Local district heating
- Enhanced economy result User-Interface
- Catalogs extended by new entries (Photon database, pumps, collectors, etc)
New Features in Polysun 5.0 Polysun is available in different versions - Polysun Solarthermal Simulation (contains solar thermal and reference templates)
- Polysun Heatpump Simulation (contains heat pump and refernce templates)
- Polysun Photovoltaic Simulation (contains photovoltaic templates and inverter wizard)
- Polysun Simulation Software: The Various versions can be combined freely, e.g. Polysun Professional, containing heat pump- and solar thermal templates.
- All versions are available in the user levels Light, Professional, and Designer. Photovoltaic is not available in Designer level yet.
- Polysun educational version (restricted in templates and reports)
User friendliness, intuitive handling - Labels make settings of components easily accessible and clearly laid out
- Help Button: A new help file guides through basic steps in Polysun
- Wizard (Assistant) calculates number of inverters and strings needed for PV field
- DHW and building loads can be modified directly in the variant, by clicking on the water tab or building.
- Enter pool dimension directly in the user interface, pool catalog is no longer needed
- Improved absence catalog for DHW or building
- Overworked user interface
Results - Display FSS (fractional solar savings, solar fraction compared to a reference system)
- New economy results analysis
- Enhanced professional report, containing more results
- Short report for Light user
- Compare a solar thermal system with a reference system and analyse results in a combined bulk diagram
- New imperial unit system, displaying energy and power in kWh and kW.
- Old Light report will be removed soon
Cooling - Compression cooling
- Passive cooling in connection with ground loops
New Building model - Building demand can be defined by entering yearly fuel consumption, e.g. 1000 Litres of oil per year.
- The building model can handle cooling loads
- Helios building model will be removed soon
Ground loop - Simulate borehole fields, various ground loops connected to one or more heat pumps.
- Various new heat pump templates, collecting heat from ground water
- Simulation prerun time > 1 year possible (accessible in the variant menu)
Heat sink / Load profile - Import a detailed demand profile into Polysun. This component can be used to simulate process heat systems, or is applicable for any case where a detailed heat demand profile is given.
Polysun provides the largest template assortment - Various new templates available, cooling-, DHW-, heat pump-, and space heating systems
- New company templates are available
Horizon / Weather Data - Import Weather data from file
- Import horizon data from file
Miscellaneous - Performance improved on simulation time on several hydronic system combinations
- New SPF collectors added to the catalog
- New SRCC collectors added to the catalog
- Improved outdoor and indoor pool model
- Templates for PVT systems added
- Proxy and it's authentication settings for internet connection editable in settings dialog
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Video: PV Rooftop Planner 
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