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T*SOL Pro 5.5 - User Manual

1. Select The collector geometry and specific heat capacity are retrieved from the collector database 1 Gotothe System Definition gt Solar Loop with Air Collectors variant menu The definition dialog is opened You will see the Parameters page Manufacturer data geometry and specific heat capacity are applied from the database and cannot be changed here r Solar air collector Parameters Performance Volume flow rate Min volume flow Max volume flow 350 Efficiency parameters Q g Efficiency at max volume flow etad 08 W m k W m K2 ki k2 0 04 Correction factor at min volume flow 0 9 ly Incident angle modifiers For direct radiation with an 90 incident angle of 50 for diffuse irradiation 85 OK Calculating collector power from volume flow rate and efficiency parameters Cancel e gt 2 Enter the maximum and minimum volume flow rate 3 Every air collector is porous leakage must be less than 15 4 Enter the correction parameters no K and kz for calculating the efficiency n Using these the efficiency n is calculated using the following formula 142 Air Collector Parameters key AT ka AT oo e with G irradiation and AT Tair collector out TEnvironment The correction parameters no k and k2 can be found in the testing institute s records for this collector However they are only valid for the
2. VALENTIN SOFTWare T SOL Pro T SOL Pro Version 5 5 Design and Simulation of thermal solar systems User Manual Disclaimer Great care has been taken in compiling the texts and images Nevertheless the possibility of errors cannot be completely eliminated The handbook purely provides a product description and is not to be understood as being of warranted quality under law The publisher and authors can accept neither legal responsibility nor any liability for incorrect information and its consequences No responsibility is assumed for the information contained in this handbook The software described in this handbook is supplied on the basis of the license agreement which you accept on installing the program No liability claims may be derived from this Copyright and Trademark T SOL is a registered trademark of Dr Gerhard Valentin Windows Vista Windows XP and Windows 7 are registered trademarks of Microsoft Corp All program names and designations used in this handbook may also be registered trademarks of their respective manufacturers and may not be used commercially or in any other way Errors excepted Berlin Apr 2013 COPYRIGHT 1993 2013 Dr Ing Gerhard Valentin Dr Valentin EnergieSoftware GmbH Valentin Software Inc Stralauer Platz 34 31915 Rancho California Rd 200 285 10243 Berlin Temecula CA 92591 Germany USA Tel 49 0 30 588 439 0 Tel 001 951 530 3322 Fax
3. Example system A6 A6 1 similar but without heat exchanger A5 A10 Collector loop connection Collector loop DHW tank Space heating buffer tank Swimming pool Control Energetic control The collector koop will be run at the lowest return temperature Individual connections will be loaded in the following order of priority gt Requisites System B3 B3 1 Input dialog for connection to collector loop Control page more than one tank 121 10 2 4 Swimming Pool in Collector Loop Variant menu S ystem Definition Collector Loop Connection Swimming Pool or Control Collector loop connection Collector loop DHW tank Space heating buffer tank Swimming pool Control Volume flow rate Fixed 40 h m2 Collector loop on Collector outlet temperature above tank reference temperature Collector loop off Collector outlet temperature above tank reference temperature 0 Difference across the primary loop heat exchanger less than External heat exchanger Manufacturer Type Parameters OK Secondary loop Coll l Vol fow rate h im l Fixed Cancel mase 2 PO roop ooro area connection dialog for gt swimming pool systems If you have selected a system with Swimming Pool this dialog then contains the extra page System Definition Collector Loop Connection Swimming Pool on which you can define the connection to the collector loop Set the volumetric flow rate the swit
4. Zen Renewables Fuchenietine B5 an 477 LM ODI B M3 N TEON teeta tear yA ae a ae a Image Dialog for selecting the i rade ae ae eee collector with favorite sort and e meet Exort Dk Abbredter search functions 172 System definition example Double click on the desired collector or on OX to select the collector for the project The collector surface area is determined from the information on the number of collectors and displayed First you decide on three collectors with an overall active solar surface of c 7m2 The active solar surface is the area available for converting solar radiation as well as that used as a foundation for determining the collector coefficients at the testing institute The testing institute responsible for the various collectors can be found in the appendix to this handbook On the next page nsfa lation you will find the system definition for the orientation of the collector array The azimuth angle is the horizontal deviation between due south and the standard angle of the collector In our case the longitudinal axis of the building runs from south east to north west If the collectors are installed parallel to this axis the standard angle of the collector vertical to the active surface is to the south west The azimuth in our case is therefore the angle between south and south west i e 45 degrees As our example concerns purely domestic hot water supply you can orient the installati
5. 99 900 00 10 99 700 00 15 99 400 00 20 98 800 00 25 98 100 00 30 97 200 00 35 9 600 00 40 94 500 00 45 92 500 00 50 900 00 55 86 600 00 l 60 8 200 00 OK 65 75 4 00 nn 70 65 490 00 75 48 500 00 80 14 400 00 lace 2200 _ 40 Select m Cancel Image Calculation of optical collector losses of a tube collector 0 0 10 20 30 40 50 60 70 80 The conversion and incident angle modifiers determine the optical losses i e how much of the irradiated energy is lost through reflection on glass and the absorber The remainder is absorbed by the collector The conversion factor in states amount absorbed with irradiation vertically to the collector surface area Incident angle modifiers describe the additional reflection losses when the sun is not positioned vertically above the collector surface area A constant diffuse incident angle modifier is stated for diffuse irradiation For the direct fraction of radiation this is defined using the incident angle In the process flat plate and evacuated tube collectors are treated differently For flat plate collectors the loss factors for all incident angles are calculated from the incident angle modifier for the incident angle at 50 deviation from the vertical For evacuated tube collectors the reflection losses differ depending on whether the irradiation is reflected lengthwise o
6. It is split into two parts the simple and the quadratic part The simple part ko in W m2 K is multiplied by the simple temperature difference the quadratic part ka in W m2 K2 by its square This gives rise to the efficiency parabolae usually stated The specific heat capacity states the amount of heat per square meter of active solar surface that the collector including its heat transfer medium content can store at a temperature increase of 1 Kelvin It is stated in Ws m2K This decides how quickly the collector reacts to the irradiation The influence of this value is only significant for relative small pipeline networks as the capacity of the pipeline network otherwise takes priority Collectors which have been tested by Solar Collector Certification Program SRCC can be found either by sorting the most right column SRCC or by using the search applied to the column SRCC searching for yes After leaving the dialog by clicking OK the system schematic view is updated with the type of collector selected 127 T SOL Pro 5 5 Manual 10 4 3 Collector Optical Losses Variant menu S ystem Definitions gt Flat Plate Tube Collector gt Losses Optical Losses Evacuated tube collector Parameters Thermal losses Optical losses Conversion factor 70 Incident angle modifier for diffuse 33 radiation ident angle modifier for direct radiation crosswise IAM 99900 o 5
7. The total resulting values of specific heat load and specific annual space heating output are displayed below 55 T SOL Pro 5 5 Manual Heat gains Menu Site Data gt Space Heating Heat Gains r Space heating Heat requirement Heat gains Heating operation Solar heat gains Relationship of window area to gross floor area North 2 East 5 South 10 West 7 Total window area Type of window 5 panes of insulating glass uncoated standard glass v OK a Image Dialog Site Data Space gt Heating Heat Gains On the Heat Gains page enter the window area the window type and the internal heat gains e g generated from electrical equipment in relation to the gross floor area Heating operation Menu Site Data gt Space Heating Heating Operation Space heating Heat requirement Heat gains Heating operation Operating times Jan a E E L B E p E a s Days in operation 304 Days OK Reduce room temperature by 5 ain Image Dialog Site Data Space gt Heating Heating Operation On the Heating Operation page specify the operating times at which the heating is to be used green field in operation Click on full months in the month bar to activate or deactivate them Click on the magnifier to activate or deactivate individual days Define the night period by using the clock green field night period Remove the check
8. 33 D On this page define the controller and connection of the heating support to the buffer tank Buffer bypass for return increase In systems with heating support from the increasing of the heating return temperature the mounting height of the sensors and the temperature difference buffer bypass delta 7 are defined here which serve to activate the return increase to control the switching valves Bleed off connections If the heating loop is completely supplied from the tank as with system type B18 for example the pipe connection heights from the heat flow and return can be defined Otherwise only the return height In addition the return can be placed at two different heights in the tank The corresponding valve switch is controlled using a sensor and temperature difference Here a tank bypass can also be defined complete with a corresponding control sensor This switch can be used to avoid warming a cold tank with the return and thereby increasing the system loss 157 T SOL Pro 5 5 Manual DHW Discharge page Buffer tank P Parameters Tank loading Auxiliary heating Hzg Entladung DHW discharge DHW discharge f One way supply return f Stratified return with redirection valve Buffer tank bypass With buffer tank bypass Sensor height 20 Load standard Buffer tank bypass delta T 9 n Bleed off connections Mean supply 74 Lower tank return 3 Inter 2 Sensor installation heights Switch on delta T 3 S
9. 49 0 30 588 439 11 Fax 001 858 777 5526 fax info valentin de info valentin software com www valentin de http valentin software com Management Dr Gerhard Valentin AG Berlin Charlottenburg HRB 84016 1 Program Information 1 14 Why T SOL T SOL is a program for designing and simulating solar thermal systems with hot water supply space heating swimming pool heating process heat and large scale systems Users include planners installers energy consultants and architects T SOL basic is designed for the simulation of solar systems for detached and semi detached homes and enables immediate presentation of the respective solar system including revenue and profitability forecasts Typical simple systems are available which cover approximately 80 of the applications for such facilities in Europe and USA T SOL Pro also offers corporate systems indoor pools process heating and large scale plants in addition to the standard systems In addition processing is made easier as a result of e Multiple variants within a single project the project tree e Object shading design assistant result charts e Editable load profiles and components collectors boiler storage tank T SOL Expert is also suitable for simulating local solar heating networks e Using the variant comparison the program allows investigation of the influence of individual system components on the performance of a solar thermal system e The simulation
10. As an owner user one can see this as follows If the bank pays an interest rate reinvestment interest RI that is less than the internal interest rate the investment than earns a higher end balance The 194 Financial analysis Results interest rate which the bank then must pay to reach the balance is described as a modified interest rate MIRR e The IRR is therewith a limit If the IR is below the IRR the investment in a solar system is more profitable The following applies RI lt IRR e The MIRR is the return that the solar system achieves For an economic investment RI lt MIRR must apply e Asaresult the following inequality must apply RI lt MIRR lt IRR For the investor and owner user the following different limits are apply e The investor compares the alternatives therefore RI lt IRR must apply e For the owner saver however MIRR is more important since it produces the following return RI lt MIRR Therefore with IRR lt RI lt MIRR the investment in a solar system is also interesting Also here if the capital value is negative the solar system earns a higher yield than the virtual bank account Example Financial analysis ae f fe Parameters Investments Allowances Running costs Savings Loans Results Show table 6 000 i 5 500 Copy diagram _ Profit 1 666 4 500 4 000 3 900 3 000 2 500 2 000 Remaining investment 4 000 1 500 1 000 500 glen 0 1i 2 3 4 5 6 7 amp 9 10 11
11. Cance or Close via the small WINDOWS button x atthe top right of the window or with the key combination AL T F4 Click on the OX button to save entered data and close the dialog The program then checks the value entered whether they are in a valid format or physically possible If you leave a dialog by clicking Cancel all changes are discarded The program also adopts the following typical WINDOWS conventions e Grayed out menus and symbols cannot be executed e The format of figures dates and currencies is governed by the formats set in WINDOWS control panel If you change the settings in Control Panel Time Language and Region you must restart T SOL for these changes to take effect e All graphics can be sent to a printer Printer settings can be changed within the program e The tabular presentation of graphs the appliance load profile and tabular presentation of shading can be copied via the clipboard to and from spreadsheet programs e g Excel 4 6 Help Context sensitive online help on all T SOL dialogs and menus is available by pressing function key fz or via the help menu In addition to the table of contents you can also search in the index or by keyword Click on an underlined link to move to the corresponding text You can browse between the separate help texts 4 7 Typical Operational Sequence Quick Start Here a simplified operational sequence for the simulation of a thermal solar system with T SOL 1 C
12. Loading time h Describes the period required for the storage tank to be loaded fully Supply of energy Loan capital The amount of the loan taken out It bears interest and must be repayed Loan interest The amount of interest that has to be paid on a loan If the loan interest rate is lower than the capital interest rate borrowing a loan results in income from interest Localheating LH Local heating describes the transfer of heat between buildings over relatively short distances in comparison with district heating Low temperature circuit Heating loop with low flow and return temperature e g for use with underfloor heating MeteoSyn Program for generating climate data Nominal size mm States the diameter of a pipe DIN nominal piping sizes are used to calculate the collector loop piping widths The term DN diameter nominal states the internal diameter With copper piping the outer diameter and the wall thickness of the material are stated Off off Switch in a program dialogue box On on Switch in a program dialogue box Operating costs al Costs arising from operation of the system e g maintenance costs electricity costs The cash value and the annuity of the operating costs are derived from the capital interest e e rate of price increase and the lifetime Operating period h Each respective component is active during the operating period A component is not active during t
13. Nominal diameter O Fy Between p a baa collectors f Specific calculated using a flaw velocity of 03 Insulation thickness i Fixed In building 20 aan 20 OK Outside 2 Image Dialog for the piping of the collector a array Cancel of the pipe s nominal diameter The following information is entered on the Piping page The single length of piping and the thermal conductivity coefficient for insulation is subdivided and entered for inside outside and between the collectors The distinction influences the calculation of piping losses The nominal diameter of the pipes in the solar loop can be directly entered or calculated If you select specific the program calculates the pipe diameter after you have entered the flow velocity As the calculation results in inexact values the program automatically selects the next large DIN nominal pipe diameter Manual changes are possible at any time The thickness of insulation can be entered exactly or as of nominal diameter In this case the following insulation thicknesses are available 20mm 30mm 40mm 50mm 65mm 80mm and 100mm For values up to 80mm the thickness of the insulation is set to the next higher nominal diameter while a nominal diameter of 100mm is calculated for values above 80mm The specific setting of 100 is recommended i e the thickness of the insulation approximates the nominal diameter 136 10 5 Solar Loop with Air Collectors Variant men
14. System B1 Swimming pool and X X O X DHW systems B3 Swimming pool and DHW systems X X X X O X with heating buffer tank B5 Swimming pool and combinati on tank X O X O xX DHW system space heating 98 Swimming pool systems Simple swimming O O X pool systems B17 System with buffer tank fresh water X X X X station and swimming pool B18 System with buffer tank heating uffer fresh water station and swimming pool o x available o optional In addition every system includes the following e System is possible as indoor or outdoor pool e Collector loop connection contains e Collector array contains e Collector e Shading e External heat exchanger except system B6 e Swimming pool Solar fraction for swimming pool systems The swimming pool is not reheated in this system The solar energy is first used for DHW and heating and then the swimming pool with lowest priority During the calculation of the solar fraction only the energy that is supplied to the DHW and the heating is taken into account however not that which the solar system supplies to the swimming pool 99 T SOL Pro 5 5 Manual This prevents the solar system from being parameterized so that the swimming pool is supplied with solar energy first and the heating and DHW are not supplied at all This would r
15. Teufel k Schevarz GmbH iW c e aish EL Image System selection Select cance with system icons and filters On starting you must first select a system The system is the solar system you select with a predefined collector loop configuration storage loop with corresponding tank type consumption loop and the associated control strategy The separate components can be exchanged in the system definition There are several groups of systems e Standard systems e Swimming pool systems in T SOL Pro only e Air collector systems e Large scale systems e Company systems August Br tje Beretta Buderus Bosch Thermotechnik Feuron GrammerSolar IVAR Paradigma Riello Solahart Sylber Teufel amp Schwarz Thermital Vaillant Viessmann Vokera Wagner Weishaupt in T SOL Expert only e Solar local district heating systems E How to proceed 1 Gotothe fi System Selection variant menu 2 You can choose to display the systems as schematic diagrams or as lists 3 Select a system See Selection Dialog for Systems and Components for details 4 You will be asked if you wish to copy the current parameters to this system 19 T SOL Pro 5 5 Manual 5 Now you can set the system s further parameters via the system definition You can either directly select the applicable system schematic or run through the steps of the design assistant This is highly recommended for familiarizing y
16. calculated in this way is lower but better comparable with the fraction of solar systems in which tank losses can be definitely assigned to the solar system and have also already been deducted from the solar yield Solar loop yields that are only used to generate tank losses are thus nowa thing of the past 10 7 1 Tank Parameters Variant menu S ystem Definition Tank Parameters Solar preheating tank 5 Parameters Heatexchanger Control Manufacturer Standard Type Standardtyp Volume 400 Number of tanks 1 Loat Configure tank volume Design Suggestion 350 Accept a Image Height 1 8 x diameter Input dialog for Insulation thickness 100 mm tank arameter Effective thermal g 965 Wii m K d ivity gt example single coil tank 144 Tanks E Proceed as follows 1 Select a tank by clicking the Se ect button to load a tank from the database OR If you don t know the specific auxiliary heat you can use the default auxiliary heat for the simulation Click on Load standard The standard rated output is always the same for any given type of system OR Configuration of the tank volume Click on Design This enters correct tank volume for the given system and consumption You can accept this tank volume Where required modify the pre entered values For standard tanks you can modify the volume the number of tanks the relation of height diameter the insulation thickness and the
17. o Surface heating without minimum insulation as per DIN EN 1264 o Surface heating with minimum insulation as per DIN EN 1264 o Surface heating with 100 better insulation than in DIN EN 1265 202 12 Results Variant menu Results T SOL offers you a wide range of ways to evaluate the simulation results If changes have been made to the system since the last simulation you will be advised of this and given the chance to run a new simulation 203 12 1 Project Report Variant menu Results gt Project Report There is for each project variant a short presentation formerly quick report and a technical documentation formerly detailed project report 12 1 1 Project Report Presentation Variant menu Results gt Project Report Presentation The presentation contains the system schematic the input data and the simulation results You can print this summary from the page view If you have made changes to the system since the last simulation a new simulation must first be run in order to display the presentation You can print At the top of the first page features the system schematic The information listed includes the type number and orientation of collectors the volumes of the tanks the nominal power of the boiler the outlet and inlet temperature of the heating loop where necessary split into radiator and underfloor heating and the average daily consumption and DHW target temperature for DHW consumption The
18. the Anti Legionnaire s page appears 169 10 12 Anti Legionnaire s Switch Variant menu S ystem Definition gt DHW Supply Domestic hot water supply Components Control Anti Legionnaire s Loading time 60 mini W Anti Legionnaire s switch lu a Print dnp ma es ai te Rs etl ee Ren aR sete Re tome 9 nel AE re ner Rt ai ae et li te A ali a aiie ER rare ile a nian teeta Rte lt npr ln oma a i Variant A2 1 Site data Components abe Savings V Anti Legionnaire s switch Nessscscssssssssssrscsssssssseessssesscssssesssssssssecsees Tank destratification if the solar tank upper tank has a higher temperature than the DHW standby tank upper tank Switched on off by the temperature difference control system between the solar tank and the DHW standby tank Hysteresis On 10 K K Anti Legionnaire s Tank group to 60 At 15 00 hours on the following days Image ae Input Maintain the above i i dialog for temperature for N Cancel P erate the anti Legionnaire s Legionnaire switch for ea Mb s switch Here you can enter the temperature to which the tank is to be heated In addition you can enter the time and duration of validity of these control parameters The maximum operating time is relevant in the event that the set temperature is not reached The entries in the image show that the tank is heated to 60 C every day at 3 00 pm maintained at this temperature for
19. the entered scaling applies to all display intervals of the X axis This is especially useful for quick comparison of different display intervals Min Value the minimum value to be displayed is entered in the currently selected unit Max Value the maximum value to be displayed is entered in the currently selected unit Main Interval definition of the labeled intervals The interval is entered in the currently selected unit Sub nterval definition of subdivision of main intervals The interval is entered in the currently selected unit Grid Lines dotted or continuous lines are drawn at the level of the main interval 212 12 2 6 Results in Tabular Form Graphics menu 7able The curves can also be displayed as a table and then saved as ASCII files for possible evaluation of the data in external programs The recording steps and intervals are carried over from the curve display If you want to change them open Axes X Ax s in the Graphics menu You can also vary just the recording interval more quickly via the Display graphics menu Return to the curve display using the Graphics menu The number of decimal places is defined by the main interval of the Y axis To change the main interval you must first return to the curve display via the Graphics menu and there open the Axes Y Ax s menu You can change the main interval or the unit and then return to the table You can copy the values to the clipboard by clicking Edit
20. 1 Hhh m 3 D m 5 Manual Norderney Hamburg Rostock Potsdam Braunschweig Erfurt Essen Kassel Chemnitz Hof Saale W rzburg Mannheim Freiburg i Br Munich Garmisch Partenkirchen 7 1 1 Climate Data Menu Databases gt Climate Data view the list of all climate data contained in the program generate further climate data for Europe or order global climate data Order Form Valentin software err Mog re br peh or sole Terma ee a a Vern Taken Pont age Sate Sytem 51 7 2 Hot Water Consumption Menu Site data gt Hot water consumption The DHW requirement and its distribution over the year are key values for simulating a solar system 7 2 1 Parameters Menu Site data gt Hot water consumption Parameters r Hot water consumption Parameters Operating times DHW recirculation loop used Consumption based on operating times Average daily consumption 160 C Annual consumption oR 4 aS Resulting annual energy requirement 3 38 MWh Temperatures Desired hot water temperature 50 a IV Calculate cold water temperature based on climate data Cold water temperature in February 0 zE Cold water temperature in August 0 E Consumption profile _ K Detached house evening max Select Image Dialog for defining DHW 2 requirement Parameters On the Parameters page the average daily consumptionor the annual consumpt
21. 10 0 Total annual global irradiation 3 928 8 MJ m Diffuse radiation percentage 56 9 Mean outside temperature 9 5 C Lowest outside temperature 14 0 C Standard outside temperature Determine from climate data record f Enter a value Cancel Image Dialo Standard outside 44 cc Save inclimate datarecord 5i S temperature for climate defaults How to proceed 1 Navigate to the menu S fe Data gt Climate and first enter the intended location of your solar system 2 Clickonthe MefeoSyn button The climate data administration MeteoSyn is opened Standard outside temperature The standard outside temperature is the design temperature for the space heating energy requirement and must be calculated for every location from local standard values If the climate data file does not contain a standard outside temperature the lowest outside temperature is calculated and used as the design temperature How to proceed 3 Select Enter Temperature in the Standard Outside Temperature box 4 You can then enter the standard outside temperature 5 Ifyou are using a wbv climate data record you can then save the entered standard outside temperature in the climate file by clicking on the Save n Climate File button Overview of standard outside temperature of 15 illustrative reference locations following the 15 climate zones in DIN 4108 6 Climate zone City Standard outside temp Strong wind 49 T SOL Pro 5 5 m
22. 12 13 14 i5 16 17 18 19 20 Operation year CT Cashflow Balance Bank account incl 1 76 interest rate Financial analysis Profitability Cost of solar energy 0 211 kWh Net yield Remaining investment 4 000 Return on private capital Capital return time 18 1 Years Internal interest rate IRR Amortization period 23 8 Years Net present value Reinvestment premise Modified internal interest rate MIRR Proit surplus Resetto Default Settings In this example see the following effects e The system should run for 20 years e Atthe end of the lifespan a bank account with the same end balance would have earned a return of 1 76 MIRR 195 T SOL Pro 5 5 Manual e The loan is repaid in the operating years 3 to 6 and could results in a very small or negative cash flow during these years The loan has two payment free grace periods The balance itself cannot be negative since the repayment must be generated from the savings already earned If this is not the case additional capital is required However a small loan is therefore taken out at the beginning e inthis example the remuneration ends after 10 years which can be seen by the dip in the balance and the low cashflows e Remaining investment payback time 15 8 years Capital return time 18 1 years Amortization period 23 8 years e This investment is not advantageous for the investor as the return 1 76 is below the assumed capital interest her
23. 157 Desired Temperature cceccecesceeceeees 121 DIV OE E T E 158 DHW Supply 168 169 170 171 172 DAW Wat aiicsic access nn 150 Diameter ceccececescececcccscecssesceceseseecs 147 Distance Between Collector Rows 136 Domestic Hot Water ccccesecececeveees 158 Domestic Hot Water Supply 168 169 170 171 172 Domestic Water sssessesssssssssesssssesessoeo 158 Duplicate Variant cccccsccsccecseceeceeeees 46 E Economic Efficiency cscceeceeees 188 190 Economic Efficiency Calculation 218 Edit Components cceccsecsceeceececeeeees 77 EITC LONG V c 163 PIGCHICICY COS1I6 Ges 80 218 Elevation Angle ccccscssssccscsccecsseecess 131 EM FA A A AA 207 Emissions Calculation ccccscsscssceeees 119 Energy conveyed or supplied essssessssosessese 229 dissipated by the solar system 229 Energy Balance cssccsscssceeceeees 206 209 Energy Conservation Regulations 201 EINE siete cnwasatauacacatwawawneuvavtwactvaatvewsvewsweates 201 Environment of the pool ccsscescsseees 70 PN Teea eee 59 EXD OTU eaea E NEEE E 42 External Heat Exchanger ceccecess 94 167 F FAQS ainai A AO 226 FUON ESN 245 FU EA A A 37 43 46 49 FOW tesco cette coed a ela cea eee oe wetotiaes 157 FOW Chi al Erer 209 Fresh Walrasian AE 94 Fresh Water Requirement cscceeceeeees 69
24. 17 58 Continuous flow electric heater 75 21 98 Continuous flow electric heater 85 24 91 Continuous flow electric heater 95 27 84 Continuous flow electric heater 100 29 31 Continuous flow electric heater 22 22 Continuous flow electric heater 9 9 Continuous flow electric heater 12 12 Continuous flow electric heater 17 17 Continuous flow electric heater 25 25 Continuous flow electric heater 28 28 Continuous flow electric heater 30 30 Continuous flow gas water heater 9 9 Continuous flow gas water heater 10 10 2 Select one of the auxiliary heating systems types Heat pump Continuous flow water heater Continuous flow gas water heater 12 Nominal output kW Nominal range C Boiler 19 44 Modula 19 44 Modulat 19 44 Modulat 19 44 Modulat 19 44 Modulat 19 44 Modulat 19 44 Modulat 20 Modulat 20 Modulat 20 Modulat 20 Modulat 20 Modulat 20 Modulat 20 Modulat 20 Modulat 20 Modulat 20 Modulat Select Image Dialog for boiler selectio n 160 Auxiliary heating e Gas fired boiler e Gas condensing boiler e Gas fired boiler small e Oil boiler e Oil condensing boiler e Oil fired boiler small e Wood fired boiler e Solid fuel boiler e Pellet fired boiler e District heating e Combined heat and power station CHP Select one of the auxiliary heating systems by clicking it in the list on the right side Confirm the selection Select The dialog auxiliary hea
25. 170 171 172 MOnovalle nt cccceceecescssceeees 147 150 169 255 T SOL Pro 5 5 Manual N Net Present Value csccecesecesseceeces 188 NO Worses e nee a ee eo a 38 46 Nish Heale eona oats 56 Nominal WIdtH cecsscsccscssceceseecees 126 NOMO oea thoes ert os be cett onto be arte oi 126 147 O ODJECA OTTO 134 OD E A A 39 46 Operatne PErIOd semeen 229 Operating TIMES 0008 56 69 157 163 ODON aonana aaa 218 Order FOTM Seea 226 Orientation ssena 126 OutdOOr POON eieiei 69 OVE IEW EEEE 44 P Parameters 48 50 53 56 80 93 94 117 119 121 126 131 147 150 152 154 156 157 158 163 166 167 168 169 190 252 POF 2h aes a N 207 PETOA ea E E EET cee 190 PiU Sa a N 139 PANET wesexedinicansdscidansdenidecadenddansdoatdac 43 49 PrE RUN anana E 185 Pre Set Values sesssesseesoessse 119 218 219 Price INCreaSe cscescsceecsccecscscescsceeces 190 Price Increase Rate ccsccecsscscescsceeees 218 Primary ENEE scovciusstuevecesoeevcecceusweueveveess 80 P ea A AA 207 217 PROCESS He alle aoaaa anaa 58 PROM LCS eree asta cctenebt occ mtemehane 76 Project 37 38 39 40 41 42 43 44 49 Project Reports ceccescecees 207 208 218 P UMD irese 170 R By LU OEEO AEE OA OE 190 RatothermM ecri ter reenter ees 246 Recording Interval ccsceccsssscsceseecess 185 Redirection ValVe ccccsceccscscceceseecess 156 Reduce
26. 22 Image 12 4 2 Graphic representation J eae of simulation results The graphics have their own menu a toolbar and various context menus which can be accessed by clicking the right mouse button The symbols and the context menus are dependent on the selected object Objects are the separate curves the two axes and the legend and title bar You can change the graphics display to suit your needs A detailed description can be found in the following chapters A number of formatting features for the selected part of the graphics output data record axes can be quickly modified with the help of the graphic symbols Graphics toolbar Tae Bae ee Click on the red arrow symbol to display the next or preceding time period only if the display interval is smaller than a year Ay Increases and reduces the type size of the selected object axes title legend Toggles between normal and bold type for the selected object axes curve title legend Change font for all objects The selected curve toggles between line and bar display The draw area is rastered in accordance with the selected axis The values can be copied into other programs via the clipboard and for example edited in Excel D o wg Send graphic to printer 208 Graphics output interface 12 2 3 Display Period Graphics menu Display Under Display you can use Time Axes to define the period to be displayed over the time axis You can choose from
27. 4 595 4 595 Summe 2 312 1 L28 231 1 739 3 659 Tabelle kopieren Schlie en In the table the annual values are listed that form the basis for further calculations e The operating costs increase with the rate of the price increase are listed n the table e Repayment and interest are listed in the column Loan capital e The Savings are determined with the special combustible fuel costs 196 Financial analysis Results Remuneration refers to the subsidies for solar generated heat Cashflowis the non discounted sum of columns 1 to 4 whereby the operating and loan capital costs reduce the cashflow The sum of all cashflows see total line is described as a return on capital and goes into the return on equity and loan capital yield If the yearly surpluses cashflows are invested with the reinvestment interest rate the outcome is the indicated balances The column Bank account shows that the remaining investment was alternatively deposited in an account The achieved yield corresponds to the calculated modified internal interest rate MIRR 197 11 4 EnEV German Energy Conservation Regulations Variant Menu Calculations gt EnEV You can calculate the annual yield of a solar system for a newly built purely residential building for the verification procedure in accordance with Erneuerbare Energien Verordnung German Energy Conservation Regulations EnEV 2009 This applies to both DHW s
28. 5 Swimming pool system with buffer tank heating buffer DHW and space heating The B5 systems contain either tank in tank systems or tanks with an internal heat exchanger and differ from one another with respect to the addition of heating The system additionally features the following components 103 T SOL Pro 5 5 Manual 104 Combination tank tank in tank or internal heat exchanger Auxiliary heating where required heating loop where required external heat exchanger 9 3 4 B6 Simple Swimming Pool Systems Image B6 Swimming pool without heat exchanger Image B6 1 Swimming pool with heat exchanger or auxiliary heating and without auxiliary heating Image B6 2 Swimming pool with heat exchanger and auxiliary heating For these systems which can only be used to heat pools unglazed collectors are preferably used Systems with and without auxiliary heating and heat exchangers are available The system additionally features the following components e where required auxiliary heating e where required external heat exchanger 105 9 3 5 B17 B18 System with Buffer Tank Fresh Water Station and Swimming Pool 4 ai Image B17 Swimming pool system with buffertank Image B18 Swimming pool system with buffer tank and fresh water station heating buffer and fresh water station 106 9 3 6 B17 B18 System with Buffer Tank Fresh Water Station and Swimming Pool 4 ai Image B17
29. 81 Standard Outside Temperature 56 Standby Tank ccsecsscescesccsscesceeceees 229 Storage Tank 147 150 152 154 156 157 158 Store eseese 147 150 152 154 156 157 158 Stra EC AtlON sas 147 SUD SIUGY asenn 190 SUMMALY REP OM viwsicsiccnsinbseduceciuiavessuencbess 207 Summary Report Graphics cceeees 218 SUP POM scciciciasarsiosdtatabaeassisiarsbaisiesasaratai 226 Surface Of the POol ceccecssceceseeceeces 70 Surroundings of the POol ccesceceeees 70 Swimming Pool 69 70 72 73 74 81 SWIMMING Season ceceecsccecsscscscsceeces 69 Switching Temperature 147 150 152 154 156 157 Switching Valve cccecesceccscscceceseecess 154 System Configuration 80 81 91 93 94 117 121 126 131 147 150 152 154 156 157 158 163 166 167 168 169 180 252 255 256 System Selection ccsscssccsecsscsecesceees 81 System VDC rnane a 81 91 T Table of Results ccscceccscceceeceeceeeees 216 Tank 147 150 152 154 156 157 158 Tan CONNEC OMe 121 tank reference temperature ecceeee 121 Tank Stratification cccccscsscescescsseeees 119 Tank TEMperature ccsccsccsccscescescesceees 157 Target Tank Temperature 150 152 154 157 Target TEMperature cscscececssescesees 169 Temperatur Oee A 70 QUIN ae EEEE 190 Teufel und SCHWAIZ cccscceceseccscsceeces 247 Thermal
30. Change Registration You can change the status of the program from demo version to full version by registering 1 Todo this click on the Register Full Version button when the program starts 2 To register the program you require a serial number 3 Activate the program by using a key code you receive in the course of the registration Change the registration in the menu Help gt Info gt Registration Info Program Info System Info Change Registration T SOL Pro 5 5 Manual 10 Welcome Welcome you can now activate your program This involves the following steps 1 Enter serial number 2 Program ID is allocated 3 Request key code 4 Enter key code Cancel Help 7 2 3 1 Serial Number Menu Help gt Info gt Registration gt button Change Registration Registration 12345 0 12A 123 A 1AB 1 ABC AB A 1LAB ABC If you have purchased the program you will have a serial number This is made up of a combination of digits and letters which you will have to enter without any spaces in between but including the special characters hyphens You will find the serial number either on the CD case or on the invoice Alternatively if you made your purchase online you will have been notified by e mail 11 2 3 2 Program ID The program ID is allocated specifically for your computer and is only valid for use on your computer A valid serial number issued on purchase of the program is required to
31. Conductivity ceecees 126 147 THErMOSYPHON csccsscescscesccsscscesceeees 91 Tle COLOUM ernannt 70 TRANS e anea ee tree rn 126 Times Pool Cover USed ccececceceseeceeee 72 Meen REEE 44 TWIN COW ieriteriteriteriiikikea 147 170 171 172 U Na i E E A AAT 218 Upper Limiting Angle cccescseceeceeees 131 Useable Area sssssssssssoesssesesesesesesesosososos 56 V NW GING SS 156 Varant essersi a tank eaheeeees 46 119 Variant COMPaAriSON cscescsececesesceees 206 Vartant NaMe iccosiscsaicdiaistaaessaaueeas 46 119 VeClOr GDI oraa aaaea 218 VenmtlatiO M seese Es 142 Version NUMDbeEr sessssssssssesesesesesrescsesesee 226 Viessman eisses 255 View Simulation esesssssssssososssssessssesese 185 VOLUME saaa 147 154 Volumetric FLOW cerscrrnrreneiaie 121 Volumetric Flow Rate 169 170 171 172 W WASIIOM ticorirsrirsrorsi t nipa ia a AAA 248 Wagner COMponentS sessesessesossessesosse 256 Water Temperature essessesssessessessessescces 69 Weisshaupt sssssesesesesesessosesesesessorosesesee 249 Wind O Weena 225 Window Area essesssssssssssesesesesesesesesosososes 56 WINDOW TY 0 Css sacesacatesscccetscssedesscscaseasdacace 56 Winds gute Fe Meters errr setrr etree aren eee res 70 WE TAK eae A 154 X WARIS EEEE EEE E 214 Y aE S E ETE A E TE E E E E A 215 VE aea E 190 SO a ta cateswtesetectaetocuicectacste 238 OMS EEEE ENE EE N AEE 74 257
32. Form Solar Thermal Heat Pumps http www valentin de en http valentin software com o Click FAQto open the page on the T SOL website which lists answers to frequently asked questions o Click Supportto open the page on our different customer services in the EU and others http www valentin de en sales service customer service in the U S http valentin software com gt Support gt Help zone o Click 7utorials to open the web page on which our tutorials are listed http www valentin de en support service product training tutorials 222 Menu Help Registration see below Under He p Info you will find General information Detailed information Registration Program and release Version numbers for all The serial number and number contact data for Dr program files automatically jactivation code are Valentin EnergieSoftware gathered information on displayed If you have an GmbH your operating system and internet connection you can hardware change the registration here or access an order form on our website gt see also Registering the Program 223 17 Appendix 17 1 Literature on the Subject of Solar Thermal Systems Quaschnig V Renewable Energy and Climate Change John Wiley amp Sons Chichester 2010 Duffie J A Beckman W A Solar engineering of thermal processes John Wiley amp Sons New York 1991 Werner Weiss Solar Heating Systems for Houses A design
33. Handbook for sola combisystems James amp James 2003 Solar Heating Design and Installation Guide CIBSE Domestic Services Panel 2007 Planning and Installing Solar Thermal Systems A guide for installers architects and engineers Earthscane 2005 Peuser Remmers Schnaus Solar Thermal Systems James amp James 2002 17 1 1 Literature in German Quaschnig V Erneuerbare Energien und Klimaschutz Hintergriinde Techniken Anlagenplanung Wirtschaftlichkeit Eicker U Solare Technologien fiir Geb ude B G Teubner Verlag 2001 Leitfaden Solarthermische Anlagen Deutsche Gesellschaft f r Sonnenenergie 2001 Remmers K H Gro e Solaranlagen Solarpraxis Berlin 2000 M ller F O Aktive thermische Solartechnik in mitteleurop ischen Breiten Energie Technik M ller Satteldorf 1993 Peuser F A Remmers K H Schnauss M Langzeiterfahrung Solarthermie Solarpraxis Berlin 2001 Fa Wagner amp Co So baue ich eine Solaranlage Marburg C lbe 1996 DVGW Arbeitsblatt W551 Trinkwassererw rmungs und Leitungsanlagen Technische Ma nahmen zur Verminderung des Legionellenwachstums Deutscher Verein des Gas und Wasserfaches e V Bonn 1993 VDI 2067 Richtlinie Berechnung der Kosten von W rmeversorgungsanlagen VDI Verlag D sseldorf Sch le R Ufheil M Neumann C Thermische Solaranlagen Markt bersicht kobuch Verlag Staufen b Freiburg 1997 224 17 2 Glossary Active solar surface m2 The specifi
34. Room Temperature ccsecsseees 56 RElEIONC eC eae ees 76 131 Reference System ccccsscesccsscsscesceees 119 Release NOteS ccccsscsscscscsvcscscescscecesees 3 RGD OM sheccornatutniuatutaceenetecetateuenecee 207 Required Temperature ccesceecesceeees 121 Requirements Hard amp Software 66 7 RESUS ete ctv a i cctt atta 206 207 210 RESULTS GTIP eee ee 218 ROOM Temperature ccececscseseeees 56 73 Room Temperature Reduction 0000 56 ROW Scecaccasctccensseancccececetececanemecamalececededes 136 Running COSTS cceccsccecsccecsecsceecseeeces 190 Running TIME ccescscescsccecescsceecseeeces 190 S Sankey Diagram csscescesccsscseceeceees 209 SAV e EE esis wr E E E 41 46 131 SAVNE Sarerea 80 190 OES A NE E E E 28 Secondary LOOD cretesi ien enO 121 SOG CU aE A 119 Shade cierne 131 132 134 Shape on the POol csccscssceecsecesceeeees 70 SIMULALION siansa tersteaateseteestances 185 Simulation Period ccccsssccscsecscsnes 185 Single COM Sasessteveiatenaraatenwaeaas 147 150 169 Software Update ccsccscesceecsecssceeeees 16 Sota Nall ditetacsewndicbehuievesekeesceccsenceeswecealiees 252 Solar Fraton Geneon ews 209 SOlal TdllCscictasaschasstoasbaccsetascbasctanascsaseas 150 Space Heating Requirement 56 119 Speed BUON S eiennenn 29 spredd eee ee 121 SRC G viacvivarivivdvavivevinelesteariveviaeviees 77
35. Swimming pool system with buffertank Image B18 Swimming pool system with buffer tank and fresh water station heating buffer and fresh water station 107 Large Scale Systems External Fresh heat DHW water exchang heatin statio SSwimmin g n g pool 108 Large scale systems x available o optional The use of large solar buffer tanks external heat exchangers and anti Legionnaire s switches is typical for large scale systems 109 9 4 1 C1 Large scale DHW system with solar and standby tank Image C1 Large scale DHW system with solar and standby tank Description of hydraulic configuration the collector array heats the buffer tank If the temperature level in the buffer tank is high enough to heat up the preheating tank the discharge pump of the buffer tank primary loop and the loading pump of the DHW standby tank secondary loop are started up Consequently the solar energy from the buffer tank is delivered to the preheating tank via the external heat exchanger The domestic hot water first flows through the preheating tank and then the series connected standby tank If the temperature in the standby tank is not higher than the desired temperature the tank is heated to the desired temperature by the auxiliary heating The system consists of the following components e Collector loop connection contains e Collector array contains e Collector e Shading e External heat exchanger e Buffe
36. a cash value of zero Pay back times of over 40 years are not supported To calculate the heating price the cash value of the costs is determined CV of costs Investments CV of Operating and Maintenance Costs If the CV of the costs is converted into a constant sequence of payment r 1 then the following applies to this sequence Z Z CV of Costs b T q r For r 1 1 b T q r becomes the annuity factor a q t q q 1 q 1 again as per VDI 2067 The heating price is then Heating Price yearly Costs Z yearly Energy Yield 26 T SOL basics of calculation 3 4 Calculation of the Swimming Pool The swimming pool is calculated as a 1 layer storage tank including the following gains and losses e Evaporation losses at the surface e Convection losses at the surface e Transmission losses at the pool wall e Irradiation gains at the surface e Reflection losses at the surface e Heat radiation at the surface e Fresh water intake as a result of evaporation pool discharge and filter cleaning The swimming pool heating requirement to the extent that auxiliary heating is available is defined as the total energy transferred from the solar system and the auxiliary heating to the swimming pool Using the swimming pool heating requirement the solar fraction of the swimming pool is derived There is the possibility that the target temperature cannot be reached in pools without auxiliary heating As a result the swimmi
37. a detailed explanation on editing the consumption profiles under Site Data DHW Consumption Consumption Profile Parameters 75 8 2 Components Menu Databases Components The database selections for components offer some features facilitating the selection This is valid for J Collectors Boilers These databases are maintained and updated by the manufacturers of the components e g PV modules themselves and we make them available to you as biweekly database update Do you miss any equipment Send an email to info valentin de we refer your request to the right contact of the manufacturer who is in charge of their database entries gt For selection of components please refer to Selection Dialogs for Systems and Components gt How to edit or enter your own components 1 2 3 Open the components database by clicking Select Choose a component left mouse Right click for the context menu Edit The component s data sheet is dis played Add to favorites Edit iS Ti a ee a s pe atam unn E a re in il a a eee a ee a te or i Copy this component by clicking the button Copy Create a copy P Save Cancel The component s name is changed to Component name Copy provisorily Change the name and make your parameter entries Save the new component The database table is displayed Filter your own components from the table by
38. are based on An As a general rule the living space is generally smaller than the floor space Efficiency Eff The collector loop efficiency and the system efficiency are calculated Electric heating element el HE Electrical auxiliary heating in the storage tank Electrical power Pe W kW The electrical power states how much electrical energy is used in a specific unit of time Elevation angle gt sun height Energy E Joule Energy is the ability to perform work The forms of energy are divided into mechanical energy kinetic and potential energy thermal electrical and chemical energy radiation energy and nuclear energy Energy balance Comparison of incoming and outgoing energy flows in a system the sum of energy supplied energy released and the storage of energy by the heat capacity of the system components 228 Glossary must be equal to zero Balancing is not carried out wholesale for the entire system but for the individual system components Energy balance scheme e e Sankey graph Energy input E Qzu Wh kWh Energy supplied to a component e g irradiation heat supply at the heat exchanger or heat transfer by mass flow due to consumption or circulation Energy output Qa Wh kWh Energy heat transferred from one component collector loop storage tank etc to another component or the environment Energy produced by solar system Qab Wh kWh Comprises the energy transferred to the stan
39. are displayed overlapping As is usual under Windows the currently active variant can be identified by the darker color of its window s headline The buttons in this headline also function in the normal Windows way You can click the variant names in the Window menu to switch between them 221 16 Help Menu Menu Help You can access following topics by opening the He p menu Click Quick Guide to open an abridged version of the manual 16 pages pdf file Click 7 SOL help to open the user help with a table of contents index glossary and search function Context sensitive help can be called up at all times by pressing F1 Click Manual to open the user manual as a pdf file Check for updates checks on our web page for software or database updates gt see also Internet update Solar thermal product palette This opens our website in your browser in the EU and others http www valentin de Products gt Solar Thermal in the U S http valentin software com gt Solar Thermal Other Internet Services o Onlineshop o Order forms o Valentin Software homepage in the EU and others in the U S http www valentin de Online Shop gt http valentin Solar Thermal software com gt Solar Thermal for T SOL additional modules Pools http valentin Large Scale Systems software com gt Support gt Order Forms http www valentin de en downloads gt Order Forms gt Order
40. as the outlet temperature of the air collector is higher than the calculated room temperature by the switch on temperature difference in the part of the building whose heating is supported by solar air heating normally 5 10 C The fan switches off when it is either too hot in the room or as soon as the air from the air collector is too cold i e a if the outlet temperature of the air collector is lower than the building reference room temperature by the switch off temperature difference normally 2 5 C typically lower than the switch on temperature difference or b if it is too warm in the room b1 because the room temperature exceeds the maximum room temperature or 139 T SOL Pro 5 5 Manual b2 because the room temperature exceeds the maximum room temperature defined in the building use profile Go to System Definition gt Building gt Use to edit use profiles b3 In addition you can enter a period at which the building target temperature is used for this comparison Outside this time the maximum room temperature given here is used 11 Inthe Solar Hot Water section you can set the switch on and switch off values for the solar DHW heating This section is only visible for applicable systems Typical values have been pre entered in all editable fields The fan switches on as soon as the outlet temperature of the air collector is higher than the calculated tank temperature for the solar DHW heating by the switch o
41. class of the building High temperature circuit A heating loop with high flow and return temperatures e g for use in radiators and similar Incident angle modifiers Ko Describe the reflection losses when the sun is not perpendicular to the collector area Installation The installation of the collector array is determined by the tilt angle and the orientation angle azimuth From the tilt angle and orientation angle the radiation processor calculates the irradiation on the tilted surface for a specific location Investment Typically long term targeted capital commitment to generate future yields Investment costs here correspond to the system costs less any subsidies Irradiation model The values saved in the climate data for global radiation are divided into diffuse and direct parts according to the Reindl model 231 T SOL Pro 5 5 Manual e Irradiation processor Calculates irradiation on the tilted area from the installation and orientation angle of the collector array taking into consideration the diffuse and direct parts Life of loan Period of time agreed for repayment of a loan Lifetime The period of time stated by the manufacturer in which the system should remain operable Load profile W kW Hot water consumption dependent on time The calculation is based on the definition of different daily weekly and annual profiles Loading loop LL e Storage charging loop
42. components e g collectors boilers storage tanks and also consumption profiles are loaded from the databases With T SOL both shade from the horizon and from objects close to the system is calculated For the objects consideration can be made for seasonal variations in light transmission e g leaves on trees Swimming pool and Large scale systems modules can be purchased individually and they are part of the T SOL Pro set Simulation and Results The calculation is based on the balance of energy flows and supplies yield prognoses with the help of meteorological data input hourly T SOL calculates the energy produced by the solar system for hot water production and heating as well as the corresponding solar fractions The results are saved and can be presented as detailed documentation or as a clearly arranged presentation Additionally graphs can show the course of energy and other values over any given period They can be saved as a table in text format and copied from the clipboard into other programs Economic Efficiency Calculation After running a simulation for a period of one year an economic efficiency calculation can be run for the current variant Taking into account the system costs and subsidies the economic efficiency parameters e g capital value annuities and cost of heating are calculated and presented in a report Project Reports End Customer Output In addition to the standard languages of German En
43. day week month and year A display of other periods for example two months can be selected under Axes Format X Axis 12 2 4 Options Graphics menu Options Legend here you can choose whether or not to display the legend e Title here you can choose whether or not to display the diagram title 12 2 5 Graphics Print The usual Windows Printer Settings dialog appears Here you can select a printer and its settings 12 2 5 1 Title Graphics menu Curves gt Title or context menu If you click the rectangular border in the graphics area a dialog window opens in which you can give the graph a new title After closing the dialog window this title is displayed in the graphics output Using the mouse you can now move the title to any position within the graph area 12 2 5 2 Curves Graphics menu Curves or context menu In the Curves graphics menu all selected data records are listed and can be formatted The currently selected formatting is marked with a check by the menu item The individually displayed data records and the Y and X axes can also be selected in the graph by simply clicking the left mouse button on them The selection is made clear by dots on the graph With curves and the X axis you must alway click below the line to select with the Y axis left of the axis If several Y axes are displayed the curve color of the curve it represents is shown below each Y axis making coordination simpler Double click on the X
44. displayed as a graph and table in monthly resolution The energy requirement of the solar pump in the collector loop is also stated here 13 Click on the symbol to view further simulation results heating energy yields the solar yield and the solar fraction If the heating energy yields used in the simulation significantly differ gt 5 from the defaults a warning is shown ica EnEV Project Report Variant Menu Calculations EnEV Project Report Click on the symbol to print out a report suitable for submission to the relevant authorities This completes the EnEV calculation 11 4 1 Heating requirement details Variant Menu Calculations EnEV Heating Energy Requirement The heating output is required for the calculations This can either be entered directly or calculated from the net energy with the help of distribution and transfer losses As only residential buildings are considered the following implicit assumptions are made e With night switch off e Operation from 6 00 am to 11 00 pm i e 17 hours DIN V 18599 10 table 3 e Continuous operation at weekends due to being residential building DIN V 18599 5 chapter 5 4 1 Transfer losses are calculated in accordance with DIN V 18599 5 chapter 6 1 the distribution losses in accordance with chapter 6 2 For this the characteristic length and width of the building is required In order to calculate transfer and distribution losses further inform
45. for a large number of technical processes and procedures drying cooking melting forging etc The process heating must typically be generated by combustion processes or electric current can however in the best case be recovered in part as waste heat Proportional energy saving as DIN CEN TS 12977 2 Rate of price increase The prices for non renewable energy sources are rising as a result of growing demand and increasingly scarce supplies The development of operating costs and energy consumption play a crucial role in calculating the capital values of investments Redirection valve RV e e Three way valve Return R The return commonly describes the cooler string in a heating loop In a solar loop the return is the pipe from the storage tank to the collector Sankey graph Graphic representation of energy or material flows using arrows in which the width of the arrows is proportional to the width of the flow Savings The simulation results include the reference fuel savings made during the simulation period through the use of the solar system 233 T SOL Pro 5 5 Manual Secondary loop Heat consumer Secondary loop Contains the medium to be warmed is heated by the primary loop Simulation Test of the influence of ambient conditions user behavior and the various components on the operating conditions of the solar system with the help of computer calculations Simulation period Total period of time for
46. from the permeability of the building and the ventilation habits of the users This so called free ventilation is applied as a constant over the Building with air collectors year Value range 0 4 1 h Tick the Watural Ventilation with Windows checkbox to set the inclusion of another open window with correspondingly increased ventilation for cooling in the event of overheated rooms e g in summer Select the Mechanical Ventilation checkbox to activate the calculation of mechanically operated ventilation systems Hourly values o 8 1 h Two options are then available B Exhaust a r usually only in kitchens or toilets However the ventilation defined in the profile relates to the entire volume of the building The system image adjusts to this setting om Image ae Building with mechanical exhaust air system The red arrow i BSS represents the warm exhaust air B Ventilation and air conditioning system w th heat recovery This features supply and exhaust air ventilators and heat recovery only activated during the heating period The exhaust air option should be used for a building with a ventilation and air conditioning system but without heat recovery The system image adjusts to this setting Image Building with mechanical ventilation and air conditioning system and heat recovery The two arrows represent the LE cooling of warm exhaust air and the heating of cold external e 7 Ze air B Def
47. high and low temperature heating loops or you can also determine up to what percentage of the daily maximum only the ow temperature loop supplies base load 163 10 10 External Heat Exchanger Variant menu S ystem Definition External Heat Exchanger or system schematic e Collector loop heat exchanger Parameters Fixed G Specific with respect to the maximum heat transfer rate l Mean logarithmic temperature difference average temperature difference between counter current mass 5 K flows The maximum heat transfer rate depends on the general system size eg on the collector area and or the DHW requirements Maximum heat transfer rate 3kw OK kA value maximum heat transfer rate mean logarithmic temperature difference Cancel Image Input dialog for the gt external heat exchanger The quality of heat exchange can be defined in this dialog Either the kA value or a specific value of the mean logarithmic temperature difference from which the kA value can then be calculated is entered A suitable value for maximum output is hereby calculated from the system parameters If you enter a kA value this value is used for the simulation without conversion The logarithmic temperature difference is accordingly displayed but has no further influence on the simulation In external heat exchangers for connection to a collector array this value is calculated from 500 W m collector surfa
48. in which you can enter the swimming pool temperature Swimming pool Parameters Pool Solar yields How should the solar energy that is supplied for pool heating be induded in financial and energy calculations Image Input dialog for C Do not indude swimming C Only indude up to a given pool temperature pool component s Solar Yields page Se ee ee ai 13 8 Databases Menu Menu Databases You can define your own system components and load profiles via this menu item In T SOL Pro you can save collectors air collectors and auxiliary heatings in T SOL Expert also tanks These databases are maintained and updated by the manufacturers of the components e g PV modules themselves and we make them available to you as biweekly database update Do you miss any equipment Send an email to info valentin de we refer your request to the right contact of the manufacturer who is in charge of their database entries See also e Consumption Profiles e Components e Primary energy 74 8 1 Consumption Profiles Symbol i or Menu Site Data Hot water consumption Consumption Profile menu Databases gt Profiles Here you can modify the current consumption profile or define your own consumption profiles Load a profile which approximates your requirements and then modify it You can select a consumption profile from the S te Data gt Hot water consumption menu or via the C symbol only gt You find
49. not carried out wholesale for the entire system but for the individual system components e Collector e Collector loop e Heat exchanger e Tanks For each of these components the change in temperature is calculated with the above formula on the basis of energy input and output and the heat capacity of the respective component Energy input can be dependening on the component e Irradiation e Heat supply to the heat exchanger e Heat transfer by mass flow due to consumption or circulation e Intermixture of storage tank layers Energy output can be e Heat losses by radiation from the collector quadratic transmission coefficient e Heat losses at the insulation of the collector the piping collector loop or circulation the valves or the storage tanks e Heat transfer to the heat exchanger e Heat transfer by mass flow due to consumption or circulation e Intermixture of storage tank layers The feat capacities of the following components are taken into account e Collector e Piping of the collector loop e Storage tank content 3 2 3 Calculation of Irradiation In the supplied climate files irradiation to the horizontal plane is given in watts per square metre of active solar surface The program converts this to the tilted surface during the simulation and multiplies it by the total active solar surface Here the radiation must be split into diffuse and direct radiation The splitting is carried out according to Reindl
50. operation If you choose circulated air operation the system schematic is adjusted Fresh air is the usual setting 137 T SOL Pro 5 5 Manual DE Solar loop with air collectors fresh air left and circulated air right 5 6 Clickthe Parameters button to specify the air collector in greater detail 7 The nstallation page is the same as for the other collectors 10 5 2 Fan Variant menu System Definition Solar Loop with Air Collectors Fan Solar loop with air collectors Parameters Installation Fan Control Ductwork Volume flow rate Nominal volume flow per array 235 43 CFM 0 545 CFM ft per collector area Total volume flow rate 4708 599 CFM Nominal power per array Guide value 699 46 Btu hr Nominal power 341 2 Btu hr Dialog System Definition gt Solar Loop with Air Collectors Fan 8 Goto the fan page Define the volume flow rate of the fan either as an absolute value per row or aS a Specific value in relation to the gross collector surface area normally 30 m3 h maximum flow of the air collector The total volume flow rate is calculated by multiplying with the number of arrays as given on the page Parameters lin case the nominal volume flow is higher than the maximum volume flow of the air collectors combined you ll get a warning 9 Specify whether the fan is operated with photovoltaic power or not If not Nominal Power section appears 138 Air collector loop Th
51. or the loan interest must be entered The respective other field is then automatically calculated by the program Annual installment The constant annual installment with which the loan and interest are paid back within the term after the grace period Loan interest The interest rate which applies to the loan when it is taken out If the loan interest rate is lower than the capital interest rate taking out the loan has the effect of a subsidy if itis higher the overall costs rise With equal interest rates they remain constant Present value of loan Cash Value 193 11 3 7 Results Variant menu Calculations Financial analysis page Results Financial analysis The nitial costs for solar also called heating cost is calculated with the equation Solar production costs total annuity yearly solar yield Another way goes through the capital value If the solar yield is multiplied by the heating costs and included in the capital value in addition to the combustible fuel costs a capital value of null is generated The remaining investment is calculated as remaining investment total investment grants loans and therewith corresponds to what is known as the deductible or private capital which must be provided by the investor or client The capital return time is reached when the accumulated cashflows have reached the remaining investment The amortization period is the assumed lifespan at whic
52. page System Definition Variant X gt Savings whether calculations should be made in relation to the higher or lower heating value for this system Define on the page Options Site Data Units whether calculations should be made in relation to the higher or lower heating value for all new projects For outside temperatures above 14 C and without heating the fixed efficiency for DHW supply is used for calculation 162 10 9 Heating Loop Variant menu S ystem Definition Heating Loop Space heating loop Space heating loop Design temps for high temp space heating loop Supply 50 c Design temps for low temp space heating loop Supply 40 gE fe Split supply between high and low temperature heating loops HT loop percentage 0 k C Low temperature heating loop supplies base load to 70 of daily maximum The operating conditions of the heating loops must be set for all systems with space heating gt Proceed as follows OK OK Cancel Image Input dialog for the 1 Define two heating loops e g a high temperature space heating loop radiator anda low temperature space heating loop underfloor via the respective supply and return temperatures The two heating loops need not have different supply temperatures 2 You can change the percentage split between the heating loops o means this loop is removed from the system 3 Choose between percentage split supply between
53. period The legend field can be selected and moved 12 2 5 6 Coordinates field The bottom bar of the graphics output contains a field with the current coordinates when the cursor is within the diagram The date and time as well as the associated X value of the cursor position are displayed 210 12 2 5 7 X Axis Graphics menu Axes gt X Ax s or context menu The period of time to be displayed on a diagram and over which the values of the data record should be totaled or averaged is defined in this dialog window Different dialogs appear here depending on whether the graph shows a representation over time or not Scale of X axis Display interval il Year Column width i Month Display from 1 1 OK Cancel Image 12 4 4 Scaling the X axis daily display e Column width The display period for which the data is to be summarized is defined under column width Depending on the unit you have chosen the values of the data record are either totaled energy or averaged output temperatures here e Display from This is where the time point in the year at which the display of data records should begin in date format is entered e Display interval The period of time over which the graph should be displayed is defined under Display Interval In addition to the time interval with the choice of day week month and year the rate and designation of the main interval of the X axis is also set 211 12 2 5 8 Y Axis Gr
54. presentation containing information on the project you have entered in the Project gt General Project Data dialog e On the final Text page you can edit the text which appears at the end of the T SOL project report These calculations were carried out by T SOL Pro 5 5 the simulation program for solar thermal heating systems The results are determined by a math e Onthe Language page you set the language of the project report Here you can specify for example that T SOL runs in German but that the presentation is created in French Project report languages are English French German Italian Portuguese Spanish Czech Hungarian Polish Romanian Slovakian and Slovenian 13 3 Climate Data Record Menu Options Climate Data Record On the Climate Data Record page you can set the location which should be preset whenever a new project is created 13 4 Units Menu Options gt Units Default settings Financial analysis Projectreport Climate data record Design assistant Units Internetupdate Localization Select units Load T SOL defaults Define units ny US units Image Dialog Options gt Units ee E oe ae a a r S A aerial On the Units page you can select a set of physical units for display or define units individually gt Proceed as follows e Click on Load T SOL Defaultto load the default units which generally ensure a good representation OR e Select User defined and
55. results of the simulation are presented below e Irradiation onto the collector surface area absolute and per m2 e Energy from the collectors energy from the collector loop absolute and per m2 e Energy supply solar energy for DHW both space heating parameters for systems with space heating e Auxiliary heating energy e Fuel savings CO2 emissions cut e Solar fraction efficiency e Fraction of energy savings in accordance with DIN EN 12976 e If you have defined a Reference System under System Definition gt Variant the calculation of pollutants is reported for this system On the second page the parameters for location DHW and space heating are listed The system components are listed by manufacturer type and key technical parameters The third page shows a graph of the solar energy fraction of total consumption as well as the maximum daily temperatures in the collector The presentation features an energy balance flow diagram a Sankey Diagram 204 Project report e the presentation e save it as an editable RTF file under File gt Save as RTF or e asaPDF document under file gt Save As A program such as Acrobat Reader is required to view PDF files This is available on the T SOL installation CD or at the website http www adobe com 12 1 2 Project Report Documentation Variant menu Results Project Report gt Documentation The documentation contains all the system s technical data and al
56. s radiation model with reduced correlation Reindl s model depends on the Clearness Index and the solar elevation angle Reindl D T Beckmann W A Duffie J A Diffuse fraction correlations Solar Energy Vol 45 No 1 S 1 7 Pergamon Press 1990 21 T SOL Pro 5 5 Manual These are then converted into irradiation on the tilted surface using the anisotropic sky model by Hay and Davis Duffie J A Beckmann W A Solar engineering of thermal process John Wiley amp Sons USA second editions 1991 This model takes into account the anisotropy factor for circumsolar radiation and the ground reflection factor 0 2 Irradiation on the collector area active solar surface is calculated from the radiation strength W m on the horizontal plane the height of the sun and the solar azimuth is determined on the basis of the date time and latitude On the basis of the height of the sun the solar azimuth angle the collector tilt angle and the collector azimuth angle the position of the sun relative to the collector surface is calculated This allows conversion of the direct share of solar radiation on the horizontal plane into the direct share of solar radiation to the collector taking into account the active solar surface The position of the sun relative to the collector surface is also required when calculating the reflected irradiation See incident angle modifiers in the collector equation 3 2 4 Calculating Col
57. save frequently used systems in a template project where required copy them into new projects and then need only modify values such as the location and collector installation and orientation For these systems the calculations in T SOL primarily serve to determine the primary energy savings which can be expected and the solar fraction of the system Another important result is also verification that the system is not oversized characterized by frequent attainment of the maximum temperature in the tank and consequently high collector temperatures Parameter setting m T SOL Pro Design assistant amp Define requirement Hot water Space heating fr Is the hot water requirement known a No of people to be supplied 6 vw Is a DHW recirculation loop used My Whatis the target temperature for DHW 50 a What is the cold water temperature AL February 8 ES August 12 Image Dialog for entering DHW lt lt Back Continue gt gt Cancel requirement After loading the Aachen climate file from the climate database for Germany click on the blue arrow to access the next dialog DHW Consumption Here enter the average daily consumption for the operating period given on the Operating Times page typically the average daily consumption for a year In our example of the single family home in Aachen we know that five persons have been named as consumers If a high standard is assumed you can expect 35 liters per person and d
58. set as 50 C in our case Click on the blue arrow again to access the Boiler dialog From the architect s plan you know that there is a useable area of 240 m2 As you must define a boiler but do not have a calculation of space heating requirements estimate the required power as 240m 50 W m 12 kW and load a corresponding oil boiler from the database Adopt the default values for the efficiency of the boiler 173 T SOL Pro 5 5 Manual as T SOL Pro Design assistant Define requirement Hot water Space heating How large is the area to be heated Is the space heating energy requirement known Space heating output requirement Use which type of heating Radiators underfloor heating Image Dialog for defining the lt lt Back Continue gt gt Cancel bo l ler As the solar system is intended to provide the domestic hot water supply in the summer without the boiler click on the months of June July and August in the Operating Times box to remove them removed color white You have now reached the end of the dialog chain and can exit the system definition by clicking OK Evaluation An initial evaluation of the system is always possible via the project report When you create the project report you will see a summary of the key values solar fraction system efficiency and fuel savings on the first page of the report This page also answers the question regarding heating oil savings the solar
59. software com gt Solar Thermal 2 Technical prerequisite Active internet connection gt How to update via the internet 3 Ifthere is an active internet connection the program checks whether a new update is available on the server according to the settings on the page Internet update o daily at first program start o oronclicking Check now 4 Ifa new release or new databases are available the program will close and the installation program will be downloaded to the Desktop and run from there 218 Proxy settings T SOL is using your computer s system proxy settings to connect to the network 13 6 Localization Menu Options Localization Options relevant to specific locations can be set on the Localization page Regional settings Selecting North America ensures that you can only select those components which are actually available there Display EnEV Standard calculation in accordance with EnEV is only meaningful if you plan to submit corresponding verification calculations to German authorities Fractional energy savings s defined according to German standards DIN and can be displayed in the project report and under System definition Variant gt Savings Display assistant The design assistant is helpful if you are not particularly acquainted with designing solar systems You can also specify whether the efficiency of the auxiliary heating and the reference system should be related to the hig
60. storage tank Description of hydraulic configuration The C6 buffer tank system consists of a solar buffer tank and a serial boiler buffer tank DHW consumers are supplied with hot water through a DHW station which is supplied by the boiler buffer tank The solar heating is supported by a return increase control The system consists of the following components One or two collector loops Connection to the energy center is made with the internal heat exchanger in the buffer tank Solar buffer tank The solar buffer tank is then loaded by the solar system If the temperature in the storage tank in high enough the heating return is raised by discharging the tank The return from the DHW station is layered over a 3 way reversing valve and dependent on the storage temperature in the solar buffer tank If the return temperature is too high to discharge the buffer tank the solar buffer tank is circumvented with a bypass switch and the return from the DHW station is sent directly to the boiler buffer tank Boiler buffer tank The boiler buffer tank is heated by the boiler only The consistent temperatures in the boiler buffer tank enable more simple and safer operation of the boiler as well as the drinking water station The boiler buffer tank is discharged through the drinking water station only Auxiliary heating The auxiliary heating defined in the system maintains the temperature setting in the boiler buffer tank and su
61. such as Excel You can paste CR a table from the clipboard 6 You can remove the selected point blue background by clicking Delete Point 1 Orimport horizon lines created with the horizON and calculation software by clicking the button 2 You can delete the horizon at any time by clicking the Mew button 3 Savethis horizon and it s objects for further use in other variants To print out the shade diagram you must copy the activated dialog to the clipboard with the key combination AL7 PR N7 and paste it into a word processing program such as Microsoft Word via the menu Fd t Paste As an example you will then see image 10 4 3 can scale and print it out 131 10 4 4 3 Shading Individual Objects Variant menu S ystem Definition Shading gt List of Objects F Shade Parameters Horizon List of objects List of all objects Description My neighbor s House v M ior ase My neighbor s House Height from collector 8 m Import Delete object Width 20 m Copy Distance 40 m CR Paste BY New object building Azimuth 70 OO Eropa EEE 5 pices Cancel Image Input field for individual shading objects On the L st of Objects page you define shade from individual objects In addition to horizon shading individual objects which shade the collector can be defined in the program This is done on the L st of Objects page of the Shading dialog The objects you have defined can be f
62. tank by means of an external heat transfer medium Building energy requirement Q kWh a Generic term for heating requirements cooling requirements energy requirements for hot drinking water lighting humidification Calculation of pollutants The solar system s CO2 emissions savings are calculated This is based on the emissions factors of the fossil fuel under consideration for heat generation The emissions factors used e e here depend on the saved fuel fuel savings CO2 emissions Capital value Vo Sum of all cash values of investments subsidies savings operating costs and loan costs each signed The interest rate used is equal to that which would apply when borrowing capital for the investment from a bank or at which the capital used could yield interest Cash value Discounted future payments at the start of the period under consideration A cash value is positive if it can be recorded as revenue and negative if the amounts represent costs Items e calculated are investments subsidies savings and operating costs capital value Circulation Circ Circulation can be used for hot water preparation This increases comfort hot water is immediately available even with long piping systems but is also coupled with losses Clearness Index Ki Kt G Go using global irradiation G and extraterrestrian irradiation Go Climate C Climate is the current atmospheric conditions or a sequence of atmos
63. temperature is reached Also enter the specific losses Example circulation loss 2 single length of piping system m spec losses W m DHW target temperature C 20 C operating hours h Circulation losses may change following the simulation as they are then calculated with the temperature at the tank outlet The circulation operating times are set by clicking the fields in the clock green area in operation They can be set the same for all days of the week or defined separately for each day The annual circulation losses are displayed 7 2 4 Operating Times Menu Site data Hot water consumption Operating Times On the Operating Timespage you can define the days of the year on which domestic hot water is consumed Entire months can be switched on or off by clicking on the monthly bars separate days by clicking the magnifier green area in operation At the same time the total consumption for the operating time and the resulting energy requirement are displayed The latter depends on the temperatures you enter in the box below 7 2 5 Deactivate Hot Water Consumption Menu Site data gt Hot water consumption If you want to deactivate hot water consumption adopt the following settings e Site data dialog Hot Water Consumption gt Parameter switch off DHW recirculation loop used set the desired DHW temperature to 20 C set both cold water temperatures to 20 C e System definition dialog g
64. that this combination storage tank and where available its controller have been measured and tested by the Institute for Thermodynamics and Heat Engineering ITW at the University of Stuttgart In the T SOL mathematical model the system parameters have been adjusted by parameter identifications such that the simulation results agree with the measurements The adjusted parameters in this system are therefore fixed and not changeable In this system this concerns the entire storage tank the control parameters of the collector array and the performance controller of the collector loop pump As a result of testing by the ITW and the subsequent validation procedure for the simulation this system holds the status of a tested company system Find more information on the selection of systems under System Selection 244 17 4 7 ITW System Layout Weisshaupt Manufacturer Max Weishaupt GmbH Max Weishaupt Str 14 88475 Schwendi Test report no o4ST097 of 30 1 2004 This solar system with combination storage tank for hot water and space heating is labelled an ITW system layout This means that this combination storage tank and where available its controller have been measured and tested by the Institute for Thermodynamics and Heat Engineering ITW at the University of Stuttgart In the T SOL mathematical model the system parameters have been adjusted by parameter identifications such that the simulation results agree with the measure
65. the environment It is split into two parts the simple and the quadratic part The simple part in W m2 K is multiplied by the simple temperature difference the quadratic in W m2 K2 by its square This results in the typically stated efficiency parabolic curves Heat transformer gu Heat exchanger Heating cost Calculated from the quotients of investment operating costs and the heat generated e e taking into consideration lifetime and capital interest Heating flow Q Punkt W Represents a quantitative description of heat transfer processes The heating flow is an amount of heat heat output transferred in a given time direction of flow always from area of higher temperature to area of lower temperature Heating loop HL A self contained system for distributing heat from the heat generator to the user flow and return flow temperatures are dependent among others on the transfer system to rooms to be heated Two heating loops with different design temperatures can be defined in T SOL a high temperature heating loop for radiators and a low temperature LT heating loop for underfloor heating Heating network HN Concentration of heating requirements in heating output units of varying size in the form of district or local heating networks Heating temperature limit Tue Minimum maximum outdoor temperatures at which the heating is switched on or off The heating temperature limit is dependent on the insulation
66. the graph to a table via the 7ab e command in the menu bar makes this even easier Continue the example by considering how the number of days on which the temperature drops below 35 C can be reduced Modify the individual system parameters such as tank size tilt angle and collector surface area Run the simulation and assess the results To finish there is the architect s question regarding further construction considerations Suggest providing hot water connections for the washing machine and the dish washer and connecting these appliances This measure increases domestic hot water consumption by 20 to 4o liters a day which can be covered by the solar system and saves valuable electricity t In the Project Open Project dialog you will find further examples 175 11 Calculations Variant menu Calculations Once you have selected a system provided it with climate data and defined your parameters you can run a simulation The separate submenus are described in detail in their own chapters Design assistant 6 Simulation Parameter Variation T SOL Expert only Financial Analysis a EnEV 176 11 1 Design Assistant Variant menu Calculations Assistant The design assistant is intended to assist you in the design of a solar system It should therefore be used where the values for the collector array and or the tank to be installed are not known The design assistant now calculates reliable recomm
67. the input field 4 Program ID Request Key Code Enter Key Code ABCDEFGH Click the OX button You will receive a message confirming that your program has been activated 14 2 4 Maintenance agreement To make sure that you always work with the latest version of our programs and have the latest component data available we recommend that you take advantage of our Software Maintenance Agreement http www valentin de en sales service customer service software maintenance agreement This link will open in your browser The software maintenance covers Download of software updates i e new program releases Download of new component databases e g PV modules or inverters Responding to general questions regarding delivery serial numbers and activation of the software program s and updates as well as the ability to access component data 15 2 5 Software Updates via Internet Menu Help Check for Updates Prerequisites 1 Formal prerequisite Software maintenance agreement refer to in the EU and others http www valentin de en sales service customer service software maintenance agreement in the U S http valentin software com gt Solar Thermal 2 Technical prerequisite Active internet connection gt How to update via the internet 3 Goto the menu Help gt Check for Updates to check immediately gt How to set the update check 1 Onthe page Options gt Internet up
68. thermal conductivity on the Parameters page The insulation properties are defined by the information on the thickness of the heat insulation and the thermal conductivity of the insulation You set the thermal losses of the tank Save all entries by clicking OKor go to the next parameter dialog using the arrow button e gt 93 10 7 2 Tank Heat Exchanger Variant menu S ystem Definition gt Tank Heat Exchanger j Dual coil indirect DHW tank Parameters Heat exchanger Electric element Control Heat exchanger for collector loop E kA 300 W K kA 1 WADA per tank volume rc Height of stratifier 80 X Select Heat exchanger for auxiliary heating C kA 300 wK Q kA 1 WADA per tank volume OK Image Tank dialog Heat Exchanger page example dual coil tank The values shown on the Heat Exchanger page of all tanks describe the quality of the internal heat exchanger used and cannot be modified If you have selected a tank with stratification the height of the stratifier in relation to the tank height is shown 145 T SOL Pro 5 5 Manual 10 7 3 Tank Control Variant menu S ystem Definition Tank gt Control The majority of tank dialogs have a Control page on which the switching temperatures like switch on off maximum temperature limit can be set The required values differ depending on the purpose of the tank 146 10 7 4 Tank Types Variant menu System Definition Tank or system schema
69. this system holds the status of a tested company system Find more information on the selection of systems under System Selection 242 17 4 5 ITW System Layout Teufel und Schwarz Manufacturer Teufel und Schwarz GmbH Test report no o2ST083 o2CTRo7 und o3CTRog This solar system with combination storage tank for hot water and space heating is labelled an ITW system layout This means that this combination storage tank and where available its controller have been measured and tested by the Institute for Thermodynamics and Heat Engineering ITW at the University of Stuttgart In the T SOL mathematical model the system parameters have been adjusted by parameter identifications such that the simulation results agree with the measurements The adjusted parameters in this system are therefore fixed and not changeable In this system this concerns the entire storage tank the control parameters of the collector array and the performance controller of the collector loop pump As a result of testing by the ITW and the subsequent validation procedure for the simulation this system holds the status of a tested company system Find more information on the selection of systems under System Selection 243 17 4 6 ITW System Layout Wagner Herstellers Wagner Co GmbH Test report no 03 STO88 und 03CTR11 This solar system with combination storage tank for hot water and space heating is labelled an ITW system layout This means
70. times can be set the same for all days of the week or defined separately for each day 71 7 6 4 Swimming Pool Room Climate Menu Site data Swimming pool gt Room Climate If you select an indoor pool on the Parameters page the additional Room Climatepage appears The values for room temperature and relative humidity are only required for indoor pools The room temperature should be 3 C above the desired temperature and the humidity should be 60 as these conditions are recommended for structural reasons e g protection against corrosion and the demands of human comfort The calculation assumes that these values are maintained at a constant level by an air conditioning system for the entire simulation period The maximum swimming pool temperature see Pool should be set to the value of the room temperature for indoor pools as solar yields may otherwise heat the pool above the room temperature leading to increased pool losses which would have to be eliminated with increased energy consumption by the air conditioning 72 7 6 5 Swimming Pool Solar Yields Menu Site data gt Swimming pool gt Solar Yields or system schematic On the Solar Yie dspage you can define whether and to what extent the energy supplied to the swimming pool from the collector arrayis taken into account in the energy and economic calculations If you only want to consider the supplied energy up to the swimming pool temperature a further input field appears
71. using the checkbox Show only user created data records Product type All product types Search in Product 76 Components gt How to share user created collectors with colleagues 1 Inthe collectors database click the button Export to copy all user created collectors toa file tcomp 2 Send this file e g MyCollectors_export tcomp to your colleague 3 Integrate collectors which have been sent to you als tcomp file by using the button Import mport Exportworks in T SOL Pro for e Collectors In T SOL Expert you can add edit e Buffer tanks e Combination tanks e DHW stratified tanks e External heat exchangers e Boilers Certified Components To help differentiate between standard components certified components and personal components the following icons are used Proof of Standard Certified Conformity Keymark SRCC Mark E a 5 E yes OMP ONEN Proof of Collectors which have Collectors which have T SOL certified by librar area ci conformity been tested according to been tested according available DINCERTCO to SRCC institutes Collectors that were tested according to the Solar Collector Certification Program SRCC can be found either by sorting the column SRCC or by using the search applied to the column SRCC searching for yes 8 3 Primary Energy Menu Databases gt Primary Energy wg Databases Lo j Primary energy Fuel name reference lt Q Fuel type Unit L
72. variation of the number of collector for the 3 different buffer tank sizes The number of collectors with which the target of total solar fraction is reached is marked by a white o symbol Click on the Des gn tab to show the result as a chart 181 T SOL Pro 5 5 Manual T SOL Pro Design assistant Tank variation results Solar fraction Design Table 58 7 5 m al T T 180 L Indirect fired storage tank STE 350 Accept and use in the current project Image Graphic 180L Indirect fired storage tank Accept with tank gt STE 350 presentation of J IDRA DS 750 simulation results of the lt lt Back Continue gt gt Cancel design assistant Alongside the solar fraction the bar chart shows a further important value for making an assessment the system efficiency With a constant solar fraction this rises with increasing tank sizes while the collector surface area falls Acceptthe parameters entered and calculated in the design assistant into the current variant The assistant then closes and the system is displayed Here you can immediately carry out a simulation by clicking on parameters or enter and change further 182 11 2 Simulation Variant menu Calculations Simulation After setting the parameters of the solar system you can now simulate its operational state over the period of a year A detailed description of the simulation calculations can be found in chapter Calculation Basics
73. volume per m2 of collector surface area for the solar tank area and the percentage of average daily consumption for the part serving as the standby tank are calculated and shown On the Heating Element page you can provide an electric water heating element for the tank tick the checkbox Electrical Heating Element and enter its electrical output either as an absolute value or related to the tank volume The respective other value is calculated and displayed The operating times of the heating element are defined by clicking the fields in the month bar for entire months or by using the magnifier for individual days 149 T SOL Pro 5 5 Manual Dual coil indirect hot water tank Parameters Heatexchanger Electric element Control Desired tank temperature i Relative to DHW target temperature eg 45 C D results in 45 C above desired tank temperature Auxiliary heating Iw Switching oh alae as l Switch on 75 3 K Switch off 75 3 K Collector loop connection Height Switching temperatures Switch on off 19 Maximum 50 temperature limit gt Define on the Control page Load standard Select OK Cancel Image Input dialog for dual gt coil DHW tank Control page 1 The desired tank temperature with respect to the DHW target temperature see DHW Consumption 2 the switching temperatures for the auxiliary heating can be changed Under Height the position of the temperature sensor i
74. which the simulation is to run Simulation periods of between one day and one year are possible Simulation range Time interval between two successive calculation steps It varies between 1 and 6 minutes depending on the system and is set automatically Solar height gt sun height Solar azimuth as Deviation of the respective position of the sun from the south constantly changes as a result of changes in the sun s position is 0 at 12 00 p m CET Solar cooling SC With the help of heat generated solar thermically solar cooling is used to generate cooling or open sorption based air conditioning in a closed absorption or adsorption process Solar fraction Frac sol The proportion of energy transmitted by the solar system to the standby tank to the total amount of energy transmitted to the standby tank from the solar system and auxiliary heating Solar heat Solar heat describes the conversion of solar energy into available heating energy Solar storage tank The solar tank is the storage tank or part of a tank that is loaded from the collector array Solar yield kWh mz Energy released by the collector loop within a specific period of time Space heating HL All technical elements and systems which serve to generate store distribute and transfer heat Specific heat capacity The amount of heat per m of active solar surface that the collector including its heat transfer medium content can store at a temperature increase of
75. 1 Kelvin SRCC Solar Rating and Certification Corporation USA Standard heat load Out W kW Standard DIN EN 12831 August 2003 describes the calculating procedure to determine the output of the heat generator and the heating surfaces required under normal design 234 Glossary conditions to ensure that the required standard indoor temperature is reached in the rooms used in the building Standard heat requirement Qn ceb W kW Former term for heating load The standard heat requirement is the basis for the dimensioning of the heat generator boiler solar system It states the required heating output to maintain the desired indoor temperatures e g 20 C in all rooms at the design outdoor temperature Standard outdoor temperature Ge C Outdoor air temperature used to calculated standard heat loss It represents the lowest two day median the air temperature has reached or dropped below 10 times in 20 years Standby storage tank A system Storage tank which is used exclusively for storing domestic hot water pre heated to the target temperature e g System A2 Storage charging loop Pump circuit for charging the storage tank storage charging system Storage charging system Storage tank heating from bottom to top by means of a charging pump storage charging loop the heating surface can be located inside or outside the storage tank Storage model Representation of loading and unloading processes The stratified st
76. 189 11 3 3 Remuneration Variant menu Calculations Financial analysis gt page Parameters Remuneration is a subsidy which is paid per solar generated kWh Currently such subsidies are given in Great Britain http www ofgem gov uk RHI Unlike grants remuneration does not minimize the residual investments since the are paid during the live of the investment Remuneration for solar generated heating Amount The amount paid is calculated per solar generated kWh and is adjusted yearly see below Payment period The payments begin immediately with the operation of the system and are guaranteed throughout the entire payment term Adjustment This allows the inflation and degression to be viewed The later is when the reimbursements become increasingly smaller over time 190 11 3 4 Financial Analysis Running Costs Variant menu Calculations Financial Analysis Page Running costs The operating costs increase annually with the increase factor for the operating costs Fixed Running Costs Costs The fixed running costs of the system can be stated as an annual amount or as a percentage of the investments per year Operating costs of auxiliary energy The running costs of the pumps are results of the running time pump output and electricity costs calculated by the simulation 191 11 3 5 Financial Analysis Savings Variant menu Calculations Financial Analysis Page Savings Fuel The specific fue
77. 2 Combination tank system tank in Image A5 3 Combination tank system tank in tank for hot water and heating tank for DHW only Image A5 4 Combination tank system tank in Image A5 5 Combination tank system for hot tank for hot water and heating water and heating The As standard systems available differ from one another in the combination tank they use The tank in tank system consists of a relatively small DHW tank and a larger tank enclosing it In the lower area this is heated by the solar system while the upper area is heated by the auxiliary heating The other type of combination tank contains an internal heat exchanger for DHW supply which runs through the entire tank It is also heated by the solar system in the lower area and by the auxiliary heating in the upper area On the System Definition System name tab Control the setting l DHW circuit has priority over the auxiliary heating can be made 86 The system consists of the following components e Collector loop connection contains o Collector array contains B Collector B Shading e Combination tank tank in tank or internal heat exchanger e Auxiliary heating e where required heating loop A5 Combination tank systems 87 9 1 6 A6 Buffer Tank Systems Images A6 Buffer tank system for hot water and heating Imageg A6 1 Buffer tank system for DHW only These large scale systems are characterized by a buffer tank with au
78. 222Kf sa ry A g Solahart 222Kf Solahart 303Kf sa ig i a a y Solahart 151Kf sa Solahart 18 1Kf sa 248 17 5 3 Vaillant allStor amp auroStep Systems The following system layouts are exclusively offered by Vaillant Vaillant collectors storage tanks and condensing boilers can be individually selected Further information can be obtained from http www vaillant de Produkte Solartechnik Find more information on the selection of systems under System Selection ey C t A a z Vaillant A2 Vaillant A1 A rc ee Mo Vaillant B5 2 Vaillant B1 F 3 a af amp 4m 249 T SOL Pro 5 5 Manual Allstor auroSTEP plus A1 1 auroSTEP plus A 1 2 auroSTEP plus A 1 3 250 17 5 4 Viessmann Systems The following system layouts are exclusively offered by Viessmann Viessmann collectors storage tanks and condensing boilers can be individually selected Further information can be obtained from www viessmann com Find more information on the selection of systems under System Selection 251 17 5 5 Wagner Systems The following system layouts are exclusively offered by Wagner Solartechnik Wagner collectors storage tanks and condensing boilers can be individually selected Further information can be obtained from www wagner solartechnik de Find more information on the selection of systems un
79. 60 minutes and the anti Legionnaire s switch is switched off at the latest after 120 minutes even if 60 minutes at 60 C have not yet been reached The reference sensor for switching off this control is different in every system e Buffer tank system Temperature sensor Switch off auxiliary heating in the DHW standby tank e Systems with Solar and Standby Tank Temperature sensor Collector array on offin the solar tank e Systems with dual coil DHW supply Temperature sensor Anfi Legionnaire s switch in the DHW standby tank 170 10 13 Example Configuring a Solar System for DHW Supply Objective A solar system for domestic hot water supply is due to be erected on a new bungalow in Aachen When it is completed the bungalow will house a family of five The longitudinal axis of the building runs from south east to north west The usable area is 240m2 How large is the required collector surface area At what tilt angle should the collectors be installed on the flat roof How often will the tank temperature of 35 C fall below this level How much heating oil can be expected to be saved What other measures should be observed in the construction of the building This solar system is frequently used in single and two family homes Preconfigured systems such as are offered by many collector manufacturers are typically used Enter the configuration consisting of the number of collectors associated tanks and other components You can
80. 8 Auxiliary Heating Variant menu Gas fired boiler Parameters Effidency T s ystem Definition gt Gas Boiler gt Parameters Manufacturer Type Boiler tyPE G as fired boiler Nominal power 8 79 kW Power design Design Energy source Natural gas H Operating times Feb Mar Days in operation 365 Days Hi LHV 37512 kJ m or system schematic Load standard Hs HHV 41112 k jm3 OK Cancel Image Input dialog for auxiliary heating The auxiliary heating ensures that the target tank temperature set in the tank dialog is maintained when solar irradiation is insufficient and in systems with space heating also supplies the heating loops gt Proceed as follows 1 Open the auxiliary heating by clicking Select E Boiler selection El Companies August Br tje GmbH Beretta i Laars Heating Systems Paradigma Deutschland GmbH SOLVIS GmbH amp Co KG m Gas fired boiler Gas fired boiler Gas fired boiler Continuous fiow wate Continuous flow wate Continuous fiow wate Continuous flow wate Continuous flow wate Continuous fiow wate Continuous flow wate Continuous fiow wate Continuous fiow wate Continuous fiow wate Continuous fiow wate Continuous flow wate Searchin Product rst Pe 8 79 tier 40 11 72 Continuous flow electric heater 60
81. C cscceccsceccecssceccseeccscecceccseecesseseeces 46 CO EMISSIONS esesesesesesesosessecserereesesesesese 229 Cold Water Mixing Valve ccecessecess 158 COULECOM ccccececceccsceccecsccecseecescececes 77 Collector AN aV reenn S 126 Collector INClINATION ccccececeeeeceees 136 Collector LOOP sesssssssseseseseseseescseseseseseesese 121 Collector Loop Connection 121 229 Collector Loop Efficiency cceeceeees 229 Collector LOOP PUMP cscceceeceeceeeees 121 collector outlet temperature cc00 121 Company Systems 243 244 245 246 247 COMPONENLKS ceeceecesceeees 44 77 117 119 CONNEC ON acccedecaceciecsnedcncwnnneusnnneworeseuswoues 121 254 Consumption Profile cceecseceeceeeees 76 CONTEM uron aa eaa aE apai 226 Continuous Flow Heater sccecesceeeeees 93 Control 119 121 147 150 152 154 169 170 171 172 GODY a O 131 Cost of Solar Energy cccsccsecsecseceees 188 E o A T A 229 OV OP nrar 72 Customer SUPPO erriei 226 D bed ere eee 75 DatabaSe ccsccscceccecesceseeees 75 76 77 80 DST Dala cisuatscecinaie sintiniaeisecsleatdstasiosusisscestees 218 Define Consumption Profile 0c08 76 DETE eer een er om evr eer eee PT 46 Demo Version s sessssossesossesossossesessossesossoso 3 Design ASSIStANL ccsceceecsceceees 180 218 Desired Tank Temperature 150 152 154
82. Collector Thermal Losses Variant menu S ystem Definitions gt Flat Plate Tube Collector gt Losses Thermal Losses m Flat plate collector V Heat transfer coefficients based on collector inlet p Heat transfer coefficients Simple 2 8 w m Square 0 025 Ww mx3 Optical losses Conversion factor 85 Select Incident angle modifiers For direct radiation with an 88 incident angle of 50 OK for diffuse irradiation 33 i Image Calculation of thermal and optical collector losses 126 Collector Parameters The energy absorbed by the collector and output to the collector loop less heating losses is calculated as follows T Cm A P Gaie No flan Fanon Gaio Ka CT Cm T k T with Gar Part of solar irradiation striking a tilted surface Gait Diffuse solar irradiation striking a tilted surface Tcm Average temperature in the collector Ta Air temperature fam Incident angle modifier After deduction of optical losses conversion factor and incident angle modifiers a part of the absorbed radiation is lost through heat transfer and radiation to the environment These losses are described by the heat transfer coefficient The heat transfer coefficient k states how much heat the collector releases into the environment per square meter of active solar surface and temperature difference between the average collector temperature and the environment in degrees Kelvin
83. Copy and from there into spreadsheets such as Excel 213 12 2 7 Graphics Printing The usual Windows Printer Settings dialog appears Here you can select a printer and its settings 214 13 Options Menu Options The values defined here apply to all projects in T SOL i e are independent of the selected project They are retained after closing the program 13 1 Financial analysis Menu Options gt Financial analysis In the Options dialog on the Financial analysis page you define the default settings for the financial analysis valid for all projects In the variant menu dialog Calculations Financial analysis you can adjust these values for the current variant General e Life span e Interest on capital e Reinvestment return e specific electricity costs Cost Escalation Rate e for energy and running costs Investment and Subsidy e spec investments e spec subsidy Allowance for solar heat e Amount e Payout duration e Adjustment e your own text e Show in report e freetext You may dismiss your entries by using Reset to Defaults or instead save your entries as default 13 2 Project Report Menu Options Project Report The layout of the project report can be set on the Project Report page 215 T SOL Pro 5 5 Manual e Onthe Header page enter the first two lines of the presentation s header e You can load your company logo which then appears in presentations and add a cover page to the
84. First enter a new name and click the Save button This creates a new profile file and prevents the originally selected one from being overwritten 2 Click on the tabular value you wish to change 3 Thevalue is applied in the textbox above the table 4 Enter the desired value in the textbox Either enter percentage values of the respective maximum value always 100 or absolute values and then click on Standardize to convert the values into percentages 6 Click on another value in the table The new value is now applied and the graph updates accordingly 7 Saveor exit the dialog by clicking OX The Copy and Paste buttons can be used both to transfer daily profiles from one weekday to another and to input the values into a word processor or spreadsheet edit them there and then write them back to T SOL You can also apply values from another program if they are available there in the correct format one value per line 24 values for daily profiles 7 for weekly profiles and 12 for annual profiles Save the consumption profile so that it can also be used in other projects 53 T SOL Pro 5 5 Manual 7 2 3 Circulation Menu Site data gt 1 Hot water consumption gt Circulation Ifa tick is placed in the DHW recirculation loop used checkbox the Circulation page appears Enter the single length of the piping system Entry of the temperature range is required to calculate the return temperature in the tank when the DHW target
85. Fresh Water Station ccsccecsscescssceeees 94 Pe PRERE E E T 80 229 Fuel Consumption cceceeceecesceeeees 76 80 Fuel COS ES eere neringa Rer er ee ns 80 218 Fuel Price sesssesssesssessosssoessossosesosesoe 80 190 FUG SAVINGS oa etiecce eee 229 G General Programme Information 28 General Project Data cceeceeceees 43 49 Graphics 210 211 214 215 216 217 Gross Surface Area cscesccscesceceecesees 229 H Heat Carrying Me dIUM c ccsccsscesceeees 121 Heat Exchangel cccecosssccsceseecess 147 154 eat Gals csicicnccincninniounasaceees 56 Heat Requirement ccceccsceecscceceeesceees 56 Heating Element cccecceceseecees 150 152 FE ALING LOOP cists ese teeedeveteentieaetvectetesees 166 Heating Requirement ceecscceceeesceees 56 Heating Temperature Limit cceceees 56 Heating val t cccceccscssceccscecesceseeces 222 PROTO cerca icattce a a aa 147 FE acecctoccecacannatonaumeccetenueeeee eee 226 High Temperature Heating Loop 166 HOZOM aoan a anaes 131 132 Hot Water Consumption ssssessseseseseseseseees 53 Hot Water Priority Control cscceeees 119 Hot Water Requirement sesesesssssssssesseee 119 FIUMMIGIUY aeeie ONNE 73 Index IMPO 23250 steavavasasaueranananeuanououmenuneanin 40 131 Incident Angle Modifier csscsscsscsees 229 inclinat ON arrire cecer
86. Manual 7 5 2 Construction Type Menu Site Data gt Building Construction Type Building Design type of external walls Insulation standard Type of window Internal masses 5 Image Dialog S te Data Building gt Construction Type Res spec capacity 8500 The external walls are designated 1 to 4 and numbered consecutively clockwise E Define the construction type of your building 1 Enter the orientation of wall 1 The remaining walls are automatically displayed 2 Enter the construction type of the external walls light heavy wood post and beam concrete composition structure increasing heat capacity 4 Enter the insulation standard of the external walls uninsulated high without any insulation 7 doubling of all garden house insulation layers 5 According to design and insulation chosen the respective heat transfer coefficient U value acc to DIN V 18599 2007 is taken and will be used for further calculation The higher the U value the higher the transmission losses of the building which make up for a part of the heat requirement This table gives an overview on the used U values Used U values according to construction type and insulation Construction Type Design type Insulation U value W K External Wall light high 0 13 External Wall light standard 0 17 External Wall light uninsulated 0 22 60 External Wall External W
87. OSHL QaAuxH DHW QaAuxH HL Q Q5HL Q Q QL DHW Solar Fraction DHW aee QCL DHW QAuxH DHW QS HL Solar Fraction Heating QS HL QAuxH HL The calculation for a solar system with a combined storage tank is as follows 24 T SOL basics of calculation lt Qaunn dow circulati on cL Qct QAuxH DHW Q AuxH HL Qct Q5 HL Qct Q5 HL Q Aux DHW Qs HL Qs HL QAuxH HL Solar Fraction total Solar Fraction DHW Solar Fraction Heating The energy supply for heating drinking wateris the energy required to heat the cold water to the temperature of hot tap water Losses from the storage tank or the circulation are not included here The fuel usedis the amount of fuel required to reheat the standby tank the standby part of the storage tank to the target temperature Heat losses from the storage tank and the boiler efficiency are included here 3 2 8 Storage Tank Model and Operation The stratified storage tank model uses storage layers of varying thickness i e also of varying volume whose number can vary depending on the operational state The number of layers is not set rather new layers are formed and the layer thickness is changed during the course of the simulation This takes place via the feed in and feed out of volumes of water and the intermixture 25 T SOL Pro 5 5 Manual of temperature layers if the temperature stratification is reversed The
88. R15 This solar system with combination storage tank for hot water and space heating is labelled an ITW system layout This means that this combination storage tank and where available its controller have been measured and tested by the Institute for Thermodynamics and Heat Engineering ITW at the University of Stuttgart In the T SOL mathematical model the system parameters have been adjusted by parameter identifications such that the simulation results agree with the measurements The adjusted parameters in this system are therefore fixed and not changeable In this system this concerns the entire storage tank the control parameters of the collector array and the performance controller of the collector loop pump As a result of testing by the ITW and the subsequent validation procedure for the simulation this system holds the status of a tested company system Find more information on the selection of systems under System Selection 240 17 4 3 ITW System Layout Feuron Manufacturer Feuron GmbH Test report no o3STO94 This solar system with combination storage tank for hot water and space heating is labelled an ITW system layout This means that this combination storage tank and where available its controller have been measured and tested by the Institute for Thermodynamics and Heat Engineering ITW at the University of Stuttgart In the T SOL mathematical model the system parameters have been adjusted by parameter ide
89. The derived parameters are needed for the further standard calculations The Net Footprint above all is a key reference parameter DIN V 18599 10 table 3 note a 198 10 11 EnEV standard calculation A L phaw supply Variant Menu Calculations EnEV DHW Supply As only residential buildings are implemented in the present version there are no further influence variables For information the equivalent DHW requirement at corresponding standard temperatures is displayed The transfer losses in DHW supply are by definition zero The distribution losses are calculated in accordance with DIN V 18599 8 chapter 6 2 The characteristic length and width of the building are required here Heating requirement Variant Menu Calculations EnEV Heating Requirement Select your energy requirement If you have chosen net energy select the type of heating equipment or the temperature control the over temperature and the radiator layout in accordance with your system For structurally integrated heating surfaces enter the properties of the femperature control and nsulation Enter the corresponding monthly values in the table to the right For net energy the transfer and distribution losses are calculated as described above In addition the total value for the Heating output is calculated This is described in more detail in chapter 11 5 1 Details on Heating Requirements pve Parameters Variant Menu Calc
90. The simulation is carried out for the project s active variant E How to proceed 1 Open the Calculations Simulation variant menu to select the simulation period and the recording interval Different recording intervals are available depending on the chosen simulation period simulation period O Whole year Image Dialog for the time parameter of the Cancel simulation 2 The simulation period has a default value of 1 year A recording interval of 1 day is sufficient for an initial calculation 3 By default the simulation is run for one year from 1 1 to 12 31 Although you can select a month or any other period less than a year the simulation over an entire year is required for a final Financial Analysis 4 Selecta recording interval hourly or daily from which the values are to be averaged This is dependent on the selected simulation period A large recording interval is frequently sufficient for evaluating the simulation results A more precise temperature profile is obtained with a recording interval of 1 hour 5 Selecta pre run time The pre run causes the temperatures in the simulation model to even out to one operating state A pre run of 3 days means that the simulation starts 3 days before the first recording January 1 A default pre run of 3 days is included in a simulation but other periods can also be set If the simulation is to have an entire season as pre run time to simulate seasonal effects on very la
91. Use Copy and Paste to transfer components or the entire variant to another variant Exit the parameter settings by clicking OK Changes to the component types or for example the position of the temperature sensor are updated in the system layout 4 4 Selection Dialog for Systems and Components The database selections offer some features facilitating the selection 32 Using the Program Filter Filter the table by using the checkboxes on top of the table Filter Domestic hot water Swimming pool W Space heating Buffer tank List of your own right click the component context menu Add fo favorites favorites z Add to favorites NS Edit Sort table by clicking into the table header Length p Y 2 18 1 27 1 Search search by character string in the selected column function m Searchin Product ref Q 33 T SOL Pro 5 5 Manual gt For editing and copying components see Components 4 5 Open Dialogs Enter Data Hot water consumption Parameters Operating times Tabs Page Titles DHW recrculation loop used Consumption based on operating times f Average daily consumption 160 f Annual 58 4 n Jy requirement 9 846 Radio Buttons Options Temperatures Desired hot water temperature 50 C W Calculate cold water temperature based on dimate data Check box Cold water temperature in February 7 Input fields Cold water temperature in August 12 ae Consumption profile B si
92. Using the Program 4 1 Launching the Program Open project Image Select project dialog When you launch T SOL you are asked first which project you would like to start with The corresponding variants or a default variant are then displayed as a system layout in discrete windows 4 2 Main Menu and Variant Menu Main menu All project related and general functions can be accessed via the main menu wa New project T SOL Pro 5 5 R1 File Variant Site data Database Options Language Window Help Be cl te ee ee an Aa oo i a om age i en e SRR eA e melee tly om aiik My pe ly ae oo He eee SY mo ee elle RABE tee ay RM AT Ae moe lM e A lh te imma b ba Toolbar Key functions can be accessed via the toolbar The symbol functions can be displayed by holding the cursor over the symbol and a descriptive text against a yellow background promptly appears Create new variant gt MeteoSyn climate data r 7 1 Define hot water consumption Open variant Save variant Define heating requirements 29 T SOL Pro 5 5 Manual LaLa a Project tree manage components and variants e Seealso The detailed functions of the main menu are described in chapters 5 6 7 8 and 13 14 15 and 16 Variants menu and variants toolbar Each variant is opened in a separate window Related functions can be accessed via the variants menu System Variante Luko 2 Climate file Wuerz
93. absorber no more energy can be supplied to the storage tank and the pump is switched off 3 1 5 Economics of Solar Systems Current solar systems are always bivalent as they can never be solely responsible at least not year round for supplying heating energy They are therefore connected upstream with 19 T SOL Pro 5 5 Manual conventional systems and function as fuel savers by transporting more or less preheated water to the downstream heating system To consider the economics of a solar thermal system the investment costs are applied to the lifetime of the system taking into account simple interest and an amount for maintenance and operating costs In relation to the annual heating amounts supplied this gives the heating price in cents kWh The heating price for a kilowatt hour generated by solar energy is of the same order as the generation of hot water from electrical current now considerably lower for larger systems This development will also enable and intensify the use of solar thermal systems in medium rise housebuilds in the coming years The money saved from the oncosts of burning fossil fuels is not included here However the slightly higher heating energy bills are becoming accepted by many tenants today as a result of an improved social image and a considerable improvement to residential surroundings with the visibly ecological advertisement 3 2 Calculation Basics 3 2 1 Design of a Solar System Small systems
94. all External Wall External Wall External Wall External Wall Ground Ground Ground Ground floor heating Ground floor heating Ground floor heating Roof Roof Roof Roof with cooling Roof with cooling Roof with cooling Roof with cooling Roof with cooling Roof with cooling medium medium medium light medium heavy light medium heavy light medium heavy light medium heavy light medium heavy light medium heavy light medium light medium light medium light medium light medium light medium Building with air collectors high 0 23 standard 0 43 uninsulated uninsulated high 0 58 standard 1 09 uninsulated high 0 30 standard 0 58 uninsulated high 0 13 standard 0 18 uninsulated uninsulated high 0 13 standard 0 18 uninsulated uninsulated Enter the types of window single double triple glazing The percentage of frame is calculated as 10 for all windows The windows differ from one another in the total transmissivity of the glazing It is assumed that there is no shade Enter the furnishings mass in order to simulate additional heat capacity in the building e g heavy furnishings The specific heat capacity is calculated and displayed 61 T SOL Pro 5 5 Manual 7 5 3 Menu Site Data gt Building Use Use E Building Geometry Construction Use Heating Building use z Residential home Room temperature Vacation home Office bui
95. ameters dialog pertaining to each component and modify their parameters You can copy and paste components between variants and between projects For this use the Copy and Paste commands in the context menu respectively 43 Exit Menu File gt Exit This command closes the program If the current project has been changed the changes are saved automatically 44 6 Variant Menu Menu Variant Within a project you can create any number of system variants and edit up to eight of them at one time All variants are saved in the project folder and take the file ending var New variant Menu Variant New Variant name 4 Variant name Variant2 How would you like to create the new Variant C Always use the default system C Duplicate the current variant f Select a new system f Select a new system butuse the current settings where possible C Use the design assistant Image Input dialog for creating a new variant gt Proceed as follows 1 Name the new variant If you do not assign a name one will be created automatically variant consecutive number 2 Various ways of creating a new variant are available with the default system by duplicating the open variant by selecting a new system for which you can choose to apply the values of the current variant or with the help of the assistant 3 After clicking OK the selected name appears in the header bar of the window 45 T SOL Pr
96. and Y axis to open the Format X Axis and Format Y Axis dialogs A click with the right mouse button opens a context menu for the axes and curves with menu items for the current object The scaling of the axes and the position of the coordinates can be freely changed Display interval of 1 day to 1 year All axes and axis designations can be formatted and moved Own Y ax s Allocate a further Y axis for the selected data record A dialog for scaling the new axis opens By selecting the relevant options the curve can be presented in bo d or norma type as a line or bars Use Change Colorto give the curve a different color 209 T SOL Pro 5 5 Manual nvisible By selecting this the selected curve is not drawn The curve is not deleted but can be made visible again by selecting this option once more At least one curve must be visible at all times You can also access this submenu by selecting the desired curve and clicking the right mouse button or via the symbol buttons 12 2 5 3 X Axis 12 2 5 4 Y Axis 12 2 5 5 Legend Graphics menu Curves 4 Legend or context menu All the displayed data records are assigned to their respective representation in the legend If energy is displayed the sum of energy in the presented period of time is shown after the respective data record name If power temperatures wind speed and evaluation parameters fraction efficiency are displayed the average values are shown in the presented
97. aphics menu Axes gt Y Ax s or context menu Y axis Unit oC Position on right Position of X axis f Minimum C Maximum Cross X axis at 0 000 Scale jin vake 7 automatic sal Max value Grid lines None Main interval 10 0000 Image 12 4 3 Input field for Cancel formatting Y axis Access the dialogs for scaling the axes via the Axes graphics menu by double clicking the axis or via the Sca ing menu which can be opened with the right mouse button when the axis is selected The selected Y axis is formatted in this dialog window Unit here select the unit in which the Y axis and its associated curves are to be displayed If you select the Position on Right box the Y axis is positioned on the right hand side of the diagram Position of X ax s this is where you define the intersection point of the X axis and Y axis If you select Minimum the X axis is drawn at the bottom edge of the Y axis On the other hand if you select Maximum the X axis is drawn at the top of the Y axis If you want to freely define the position of the X axis enter the desired Y value in the Cross X Ax s Af field Scaling automatic if this field is selected the axis is scaled independently of the entries below using the minimum and maximum values of the Y axis curves If the X axis display interval is changed the scaling is updated If the following scaling values are modified automatic scaling is immediately deactivated If this is the case
98. appear on print outs It is important for the operation of the program that separators for thousands and decimals are different Recommended configuration Internet connection for updates and climate data You should set your monitor to display Small Fonts via the Windows control panel T SOL Pro 5 5 Manual 2 2 Installation i Setup TSOL Pro 5 0 Ea Welcome to the TSOL Pro 5 0 TWwar si la abl This will install TSOL Pro 5 0 on your computer Itis recommended that you dose all other applications before Click Next to continue or Cancel to exit Setup Image Installation set up assistant To install the program please click on the installation file setup_tsol_pro exe You will be guided through the installation In order to install the program you must be logged on with administrator rights To run the program you must have read and write rights to the T SOL program directory e g C Program Files Valentin EnergieSoftware TSOL All installation paths have English descriptions p TS The program icon appears in the Windows Start Menu and on the desktop after installation The single user version of S can only be installed locally However because it is possible to save the database and project files under any path and these can be set as standard paths in the program parts of the program can be moved to different hard drives 2 3 Program Registration Menu Help gt Info gt Registration button
99. ary heating control DHW DHW connections Height Hot water outlet 39 Load default Cold water inlet 1 values W Cold water mixing valve at tank outlet i Fixed preset target value Mixing temperature 50 f Mix to DHW target temperature DHW temperature 60 C Select Select OK Image Input dialog for DHW tank with internal heat gt exchanger DHWpage Cancel The DHW standby tank and preheating tank with direct loading and unloading can take varying forms depending on the system schematic selected These tanks only differ from buffer tanks in the additional DHW page on which a cold water mixing valve at the tank outlet can be set in addition to the display of connection heights and connection losses 155 10 7 4 7 Solar buffer tank Variant menu S ystem definition Storage tank or system layout The solar buffer tank P is used in the A 17 B17 A18 B18 A14 1 Buderus SAT VWS Buderus SAT ZWE and Vaillant Allstor systems and is bivalent It includes if needed the tab Auxiliary heating The solar buffer tank S is used in the C6 system and is monovalent Parameters Page Enter the manufacturer type and geometry of the tank and its insulation or select a tank Tank loading page Buffer tank P Parameters Tank loading Auxiliary heating Hzg Entadung DHW discharge Sensor installation heights Switch off collector loop 90 Switch off collector loop at Load standard T Collec
100. ater and Heating Requirement defaults specifically for this variant This does not change the project defaults The system components are listed on the Components page These vary depending on the selected system Solar Loop Collector Loop Connection Auxiliary Heating Tank Swimming Pooland External Heat Exchanger and Solar Loop Heat Exchanger The Control page is particularly important Here depending on the selected system schematic you set the DHW circuit priority the Anti Legionnaire s Switch see chapter 10 11 5 and the Stratification Variant 2 Ex Site data Components Control Savings Define reference system for emissions calculation is Natural gas H Fuel calculation with respect to higher heating value HHV Hs i with respect to lower heating value LHV Hi Cancel Image System definition of standard gt systems Savings page The Savings page contains parameters for calculating pollutants and fuel You can define a reference system which can be used to carry out the emissions calculation The setting in the example shown will calculate the savings and the emissions reduction with an efficiency of 70 in the simulation compared to the oil boiler otherwise used 117 10 1 1 Two Collector Loops Variant menu S ystem Definitions Variant X gt Components gt Solar Loop The option of 7wo Collector Loops has been integrated in systems A1 A2 A5 A12 A17 and A18 It is now pos
101. ation on the type and design of the heating equipment must be entered A distinction can be made between radiators and heating surfaces DIN V 18599 5 table 7 200 EnEV standard calculation The following settings are available for radiators e Temperature control o Unregulated with central flow temperature control o Control room o P controller 2 K o P controller 1 K o PI controller o PI controller with optimization function e g presence controller adaptive controller e Over temperature room reference temperature 20 C o 60K e g 90 70 o 642 5 K e g 70 55 o 30K e g 55 45 e Radiator configuration for calculating specific thermal losses via exterior construction elements GS glass surface o Radiator configuration internal wall o Radiator configuration external wall B GS without radiation protection GS with radiation protection B Normal external wall The following settings are available for structurally integrated surfaces heating surfaces Electric heating is not offered by the program e Temperature control o Unregulated o Unregulated with central flow temperature control o Unregulated with averaging between inlet and outlet o Control room o Two step controller P controller o Pl controller e System o Underfloor heating B Wet system B Dry system B Dry system with low overlap o Wall heating o Ceiling heating 201 T SOL Pro 5 5 Manual e Specific thermal losses of laying surfaces
102. avings Qconv Qaux Qeonv Qconv is the energy expenditure of a comparable conventional system formulation in the standard gross energy requirement of reference system Qaux is the conventional energy expenditure of the simulated solar system i e the energy which the auxiliary heating supplies to the system This is described in the standard as follows Qaux is the gross additional energy requirement of the solar heating system to cover heating requirements Here the same boiler efficiency as in the conventional system is assumed In calculating Qconv recirculation losses are taken into account Because recirculation is taken into account in the simulation Parameters Hot Water Consumption DHW recirculation loop used Qaux is larger because the auxiliary heating supplies the system with more energy than would be the case without recirculation The proportionate energy savings are equal to 1 or 100 when the additional energy requirement Qaux is equal to o In this case all energy was supplied by the solar system auxiliary heating was operational at no time The proportionate energy savings are negative when the additional energy requirement Qaux is larger than Qconv The following also applies L Qo Aconv Qconv net 2 nv efficiency of the comparable system Qconv net net energy requirement in Wh l O coninet Qu Qhw Qtank conv 2 Qu energy requirement for heating 3 Qhw energy requirement for hot
103. ay i e a total of 175 liters per day at a temperature of 50 degrees Celsius This daily consumption is not 171 T SOL Pro5 5 Manual distributed equally over the day but rather in certain intervals with differing draw off volumes This process is displayed in the load profiles Various load profiles are saved in a database which you can load by clicking the Select button By clicking on the Parameters button you can check and also modify this load profile See chapter 7 2 DHW Consumption T SOL Pro Design assistant Define requirement Hot water Space heating Is the hot water requirement known No of people to be supplied Is a DHW recirculation loop used What is the target temperature for DHW What is the cold water temperature February August Image Dialog for entering DHW requirement Circulation lt lt Back Continue gt gt page In our example DHW circulation is to be installed Check the Circulation box at the top of the DHW Consumption Parameters page A new tab appears with the name Circulation Enter all required data The DHW Consumption dialog is now complete so click on the forward blue arrow to access the Collector Loop Connection dialog Here you can modify the volumetric flow rate in the collector loop and the composition of the heat transfer medium e g to simulate a low flow system In this case the volumetric flow rate in the collector loop would be between 10 and 2ol m2 h Cl
104. bility of ensuring optimal operation of the system Control parameters can be set for various components For storage tanks for example target temperatures switching temperatures Cooled Cooled Costs Consumption of goods to create and sell services and other goods Daily consumption t The average daily domestic hot water consumption This is usually 35 45 liters per person and day at a water temperature of 50 Declared value for thermal conductivity i W mK e Value of the thermal conductivity of a construction material or product under specific external and internal conditions which can be considered typical of the behavior of this product when installed in a component Default data Def Design temperature C Temperature determined by the relevant climate zone as per DIN EN 12831 supplement 1 table 1a The design temperature is the maximum necessary temperature of the heating water which suffices at the lowest winter temperature for the heating system to provide the building with required amounts of heat Deverter injection system Special version of a control circuit Particularly useful when the user is far away from the output but if required needs hot water promptly often RLT DHW consumption DHW con DHW requirement ee 5 Daily consumption 227 T SOL Pro 5 5 Manual DHW requirement specific qr The heat based on the floor space that must be provided for heating domestic hot water The guidelin
105. burg wbv Selectnew system System definition Calculations Results Select new system System definition Calculations r Select new system Components of variant X Design assistant a Graphics Site data of variant 4 M Simulation Project report fother Components ee Parametervariation a Presentation Speicher Financial analysis Documentation Warmwasserbereitung EnEV Variants comparison Control Fnergy balance Space heating loop Savings Results file Solar loop Solar network SN Space heating loop HL Collector loop connection Collector array Collector Air collector Collector loop heat exchanger Legend Power house Expert features Solar preheating tank New features Buffer tank External heat exchanger GHW DHW standby tank Gas fired boiler Fresh water station Heat distribution Heat distribution network DN Tank loading system with RE External heat exchanger HL External heat exchanger DHW External heat exchanger with RC Image Variants menu In T SOL 5 0 new submenus are shown in red type T SOL Expert features are shown in brown type Key functions of the variants menu can also be accessed via the variants toolbar 30 Using the Program The symbol functions can be displayed by using so called hints For this hold the cursor over the symbol and a descriptive text against a yellow background promptly appears rail Display system selection Open system definition al De
106. c collector parameters are not usually related to the gross surface area but to the active solar surface derived from the testing centre reports Depending on the testing centre e e the active solar surface of flat plate collectors is either the absorber area or the aperture area With evacuated tube collectors e g with mirror constructions and vertically standing absorbers the active solar surface is often a purely theoretical value Annual heating requirement Qn kWh a The total heat which must be supplied to the rooms of a building within one year to maintain a target temperature building energy Annual heating requirement specific qn kWh The heat based on the floor space that must be yielded within a year to maintain a target temperature in the building effective energy Annuity A A series of equal payments allowing for lifetime and interest rate for repayment of a capital debt It is the product of annuity factor and investment sum Anti Legionnaire s switch LEG The guidelines of the German Association for Gas and Water specify that the entire content of the storage tanks and the piping in systems with a drinking water storage tank size of 400 liters and domestic hot water pipe content of over 3 liters must be heated to 60 once a day The hot water storage tank is loaded in adjustable intervals in systems with an anti Legionnaire s switch Annual energy requirement gt Final energy requirement Aper
107. ccount of its size or an existing standby tank is to continue being used On the System Definition Control page you can schedule destratification for the event that the upper temperature in the solar tank is higher than in the standby tank The pump is switched on and off by the temperature difference between the solar tank and the standby tank In addition an anti Legionna re s switch can be used to briefly heat the tank group A fixed time period on one or more days of the week is defined for this The system consists of the following components e Collector loop connection contains o Collector array contains Collector B Shading e Dual coil DHW tank e Single coil solar tank see chapter 10 5 e Auxiliary heating 83 9 1 3 A3 DHW System with Heating Buffer Tank Image A3 1 DHW system with heating buffer tank and stratification Image A3 2 DHW system with heating buffer tank and external heat exchanger This system allows the solar system to provide space heating Two tanks are loaded from the collector loop with the hot water tank being loaded preferentially to the heating buffer tank On the System Definition System name tab Control the setting DHW circuit has priority over the auxiliary heating is therefore preset The system consists of the following components e Collector loop connection contains o Collector array contains 6 Collector B Shading e Dual coil ind
108. ce area In external heat exchangers for connection of the buffer tank discharge to the DHW supply Pmax iS calculated from the pump flow rates and the maximum possible temperature difference In heat exchangers for auxiliary heating of a swimming pool Pmax is calculated by the power which would be required to heat the swimming pool from the cold water temperature to the target swimming pool temperature within 12 hours 164 10 11 DHW Supply Large Scale Systems This component primarily appears in large scale systems but is also found for example in solar heating networks This chapter describes the components which only occur in large scale systems or otherwise differ from those in standard systems The remaining components are explained in chapters 10 1 to 10 10 The following types of DHW supply are simulated for large scale systems e Single coil DHW supply e Dual coil continuous flow DHW supply e Dual coil DHW supply with a DHW tank e Dual Coil DHW Supply with a Solar Preheating Tank and Auxiliary Heating in the DHW Standby Tank In the first case the DHW standby tank is connected to the heated buffer tank via an external heat exchanger while in the other cases the buffer tank is only loaded by solar power and the auxiliary heating directly supplies the DHW tank 165 10 11 1 Single Coil DHW Supply Variant menu System Definition gt DHW Supply or system schematic Dual coil water heati
109. ching conditions for the collector loop pump and the external heat exchanger The loading sequence for the connections is defined on the Control page Collector loop connection Collector loop DHW tank Space heating buffer tank Swimming pool Control f Energetic control The collector koop will be run at the lowest return temperature i DHW tank amp Space heating buffer tank E 3 Swimming pool OK Image Input dialog for connection to collector gt loop Control page Cancel The order of priority for loading the connections from the collector loop pump is defined on the Control page The default setting corresponds to a temperature difference control Select either energy control in which the collector loop is run at the lowest return temperature or a specific loading sequence 122 Swimming pool in collector loop To do this click on the relevant component and move it up or down by using the arrow buttons 123 10 3 Collector Array Variant menu Y S ystem Definition Collector Array or system schematic The values of the collector array are recorded over several pages Collector array CL 1 Parameters Installation Photo Plan Piping Collector Manufacturer Standard Select Type Standard flat plate collector Description Flat plate collector Parameters Design of collector area Coverage target Desig low 25 E see middle 40 Accept C high 60 Suggestion 3 m2 Number o
110. click the Define Units button to define physical units individually 216 Defined units Thermal energy iti l Electric energy it Other energy kooo x Thermal power kw gt Electric power kW Other power kW v Power per volume W m Reference energy ho l Gas Energie 3 J kWh MWh MMBtu Time Energies and outputs Dimensions Temperature Other dimensions Specific dimensions Material dimensions Pressure Inverse ur 4 gt 13 10 13 10 1k 1 3 J 1kW 1 3 M 1kW 1E3 W 1kW 1E3 W 1 W m 1E 3 Wil 1J 2 7777 7 kWh 1J 2 7777E 7 kWh OK Cancel Options Image Dialog Options gt Units Defined units e Sland US units can also be used in combination OR e Select S units All units are displayed in the official SI system Individual values can then be displayed as very large or very small figures OR e Select US units All units are displayed in US units This applies to linear measurements temperatures and energy units T SOL saves the selected units separately for every user in C lt User gt lt UserFiles gt Valentin EnergieSoftware TSOL Pro 5 5 units einheiten txt If this file has inadvertently become corrupted you can simply load the original values by clicking Options Units Load T SOL Default The units used are divided into the following groups Group Time Energy and power Dimensions S
111. cts dialog 13 In the Main Air Ducts and nsulation sections enter the Diameter Length as well as the Thickness and Insulation Thermal Conductivity Coefficient of the inlet and outlet air ducts In detail o External wall gt Collector Air duct from the external wall to the collector input o Collector gt External wall Air duct from collector output to external wall 140 14 Air collector loop o Air intake through building Fresh air duct passing through the building to the collector A rare but efficient setup In the Main Air Ducts for DHW Connection and Insulation for DHW Connection sections enter the Diameter Length as well as the Thickness and Insulation Thermal Conductivity Coefficient of the inlet and outlet air ducts for DHW heating In detail o External wall gt HX Air duct from building external wall to HX o HX Collector Air duct from HX output to building external wall HX Heat exchanger 141 10 6 Air Collector Parameters Variant menu System Definition gt Solar Air Collector gt Parameters Prerequisites System with air collector Select New System Air collectors Solar air collector Parameters Performance Manufacturer info Manufacturer Standard Type Verglaster Luftkollektor 10 Description Solarer Luftkollektor ES Gross length 2 _ m Height 150 _ Gross width 1 Gross area 2 m2 Weight 20 E How to define the solar air collector kg Ws kg K
112. d Lower limiting angle f the solar altitude is lower than the upper limiting angle the collector array is not shaded If the solar altitude is higher than the lower limiting angle and lower than the upper limiting angle irradiation to the collector array is reduced proportionally The angle entries for the azimuth relate to the south East is entered as 90 and West as 90 129 10 4 4 2 Shading Horizon Variant menu S ystem Definition Shading Horizon Shade Parameters Horizon List of objects NEW To finish the sketch dick with the right mouse button Azimuth Height 180 0 00 _ 116 8 46 Import 81 8 46 61 1 02 Copy 98 0 68 Ek Paste 131 8 12 0 00 Image Definition of shading via horizon and individual objects New point Cancel Delete point The resulting shade reduces the irradiation to the collector surface area In order to edit the horizon or objects which are relevant for the shading of your collectors you must have made a note of the prominent points of the horizon line from your solar system This can be done with a compass and protractor with a sun path indicator or with a digital camera and editing software A horizon point consists of the azimuth i e the angle has measured from the horizontal and the respective height angle also measured in angle degrees gt For definition of the azimuth refer to Installation gt Define a new horiz
113. dates you can set the times at which T SOL should check whether a new update is available on the server Options Finandal analysis Projectreport Climate data record Units Internet update Localization Directories Design Assistant Internet service Image W Automatic Update Check 1x per day at program start Wi n d OW Internet a a a T p date preferen ces 2 Ifthere is an active internet connection the program checks whether a new update is available on the server according to the settings on the page Internet update o daily at first program start o oronclicking Check now 3 Ifanewrelease or new databases are available the program will close and the installation program will be downloaded to the Desktop and run from there Proxy settings T SOL is using your computer s system proxy settings to connect to the network 16 2 6 Licensing Provisions The license is displayed as pdf file Licensing Terms How many times can the program be installed The number of permissible installations corresponds to the number of licenses you have purchased If for example you have purchased a single user license you may install the program on one workstation 17 3 Introduction 3 1 Functional Basics With the increasing use of thermal insulation in buildings and the resulting reduction in heating energy requirements the share of energy required for heating water in a building s total energy requirement is growing in signif
114. dby tank from the solar tank due to consumption and any existing return circulation control in the solar tank Energy supply e et EN ergy in put Expenditure factor gt System expenditure factor External financing Part of the capital commitment is covered not by personal capital but by taking out loans If the loan interest is higher than the capital interest borrowing incurs further costs Final energy requirement Qe kWh m2a Calculated amount of energy available to the system technology heating system ventilation and air conditioning system hot water heating system light system to ensure the set inside temperature heating of warm water and desired lighting quality over the whole year This amount of energy includes the auxiliary power required to operate the system technology The final energy is transferred at the interface of the building s external envelope and thus represents the amount of energy required by the user for use as intended under normative boundary conditions The final energy consumption is therefore stated by energy sources used DIN V 18599 Flow FL Flow generally denotes the warmer string in a heat loop In a solar loop flow corresponds to the pipe from the collector to the storage tank Fresh water requirement here the domestic water supplied to the swimming pool for filling Fresh water station Hygienic domestic hot water heating with the help of a plate heat exchanger in a continuous fl
115. der System Selection Wagner amp Co SOLARTECH MIR Wagner amp Co SOLARTECHNIK k amp C Wagner amp Co oe Hii a SOLARTECHMIK Wagner amp Co Ss OLARTECHRIR 252 T SOL Pro 5 5 Manual 18 Index A Add Components sccsscsccsceececeeceeeees 77 Additional MOdules sccsccsceeceeceeeees 81 Air Collector LOOP cceceeceeceeceeceeeees 140 Alt COWCC ON S oseweeccccsusscssesnecaressnneccaces 99 145 Annual Heating Requirement 06 229 Annuity esesesesesesessscseeseseseseeseseseseseseseseeee 229 Anti Legionnaires Switch cccceceeees 173 ADUI E a 94 Arrangement eesssessessseeseeesoeesoeesoeesoeesoee 225 P V E N E 121 126 Assistant sssssesesesesesesesesceseeereseseesesesese 180 Auxiliary Heating 69 157 163 222 FAV ALEC 4 eee ee eee Cee ee err erivene 126 131 B Base Lodd anna 166 Basic Data ccccecsscecsccscecsccscececeseececes 48 Bivalent ceccscsccscsscecess 147 170 171 172 BONED cessan 163 Boiler EffICiQNCY csccsccsccececeecsceees 163 BOC rr a a or ens ees eee a nee 243 BUJE US arenen ccccsesasascssacccsecaacsosenassacsass 244 C Calculations scdessicscsscsacsacnas 74 179 185 188 Capital Interest ccccsecsecssceeeees 190 218 CASI a E 229 Change Language ccsccsccscceceecesceeees 224 MALS E EA A N A E 119 Climate Data Files essesseessseseeeso 50 218 CLOS
116. e 2 5 The capital value is therefore negative and the pay back time is longer the the lifespan e For users owners the investment is still of interesting since they get hot water anda return however small Table F Wirtschaftlichkeitsberechnung E loj x Jahr Betrieb Fremdkapital Einsparungen Verg tungen Cashflow Saldo Bankkonto 1 2 3 4 3 4 1 2 0 3 500 i 1 100 gg 200 159 258 256 3 46 i 2 101 O 206 162 266 531 3 997 3 103 252 212 165 8 536 3 646 4 105 252 218 169 0E 549 3 696 J 106 252 225 172 BE 571 3 746 6 108 252 231 175 17 602 3 798 T 109 O 233 173 308 J25 3 8650 8 111 O 245 182 317 1 265 3 903 g 113 O 253 186 326 L623 3956 10 114 gg 260 190 336 1 999 4 010 11 116 O 268 HE3 152 2 201 4 065 1 118 gg 276 HE3 158 2415 4 121 13 120 O 284 CE 165 2 540 4 177 14 121 gg 293 O 172 2 876 4 235 15 123 O 302 CE 179 3 126 4 293 16 125 gg 311 O 186 3 392 4 351 1 127 O 320 HE3 193 3 670 4411 18 129 O 330 O 201 3 963 4472 19 131 O 340 CE 209 4 271 4 533 20 133 gg 350 O 217
117. e data August 1 ak Swimming season and usage period In a a ol End 15 9 4 d dialog for Fill pool at beginning of season c swimmin W Start operation 10 days before start of swimming season g pool paramete rs On the Parameters page you can define the daily fresh water requirement When choosing between an indoor pool or an outdoor pool please note that these are fundamentally subject to different conditions and therefore also differ with regard to the parameters which must be defined The auxiliary heating ensures that the target temperature of the bathing water is always attained Define for the fresh water temperatures and the ground temperatures whether they shall be calculated from the climate data of your location or whether you define them manually The swimming season and usage period can be defined for any period of time For pools which are only used seasonally the start of operation can be set 10 days before the swimming season Starts to give the solar system a preheating period It is assumed that pools operated all year round were preheated to the target temperature from the beginning 68 7 6 2 Swimming Pool the Pool Menu Site data Swimming pool gt Pool Outdoor pool Parameters Pool Pool cover Solar yields Pool measurements Shape of pool Length 8 mi Rectangular Width 4 m 0 Round B Free form Mean depth Fi m Surface 32 m lw with pool cover Environment Windshield Partia
118. e is no return increase Heating can additionally be incorporated in the system 96 9 2 Air Collectors Image Air collector system with heating Image Air collector system with heating and DHW There are two systems with which the building is supplied with solar heated air They differ from one another with regard to their solar DHW supply The systems consist of the following components Air collector loop with air collectors air intakes and air water heat exchangers Building building definition ventilation heating Air water heat exchanger Auxiliary heating DHW tank DHW consumption See also System Definition gt Solar Loop with Air Collectors 97 9 3 Swimming Pool Systems In comparison with the standard systems these systems additionally include a swimming pool component Using T SOL an indoor or outdoor pool can be integrated within the solar cycle In addition to calculating the solar yield for DHW supply and building heating the influence of a solar system on the temperature of a swimming pool is calculated The additional energy which must be generated by auxiliary heating if the pool is to be maintained at a target temperature is also calculated Dua l Single coil coil Combinati DH Auxilia heatin on tank External Fresh W Sola ry g DHW internal heat DHW water tan r heatin Heatin buffer standb heat exchang Suppl statio Swimmi k tank g g loop tank ytank exchanger ler y n ng pool
119. e recommended nominal power of the fan the Guide Value is calculated on the basis of the air collector the volume flow rate of the fan and the number of collectors per row Enter the value for the nominal power used 10 5 3 Control Variant menu System Definition gt Solar Loop with Air Collectors Control Solar loop with air collectors Parameters Installation Fan Control Ductwork Solar air heating Switch on temperature difference T zwischen Kollektor iaiia ea i Austrittstemperatur und Dialog Switch off temperature difference 7 2 F Referenztemperatur System Definition 2 Solar Maximum room temperature 75 2 F Loop with W Base maximum room temperature on building use profile Ap 0 F over desired temperature of building Collector gt Control Solar hot water air Switch on temperature difference 17 1 F between collector outlet collector aia Ha temperature and tank loop Switch off temperature difference 12 6 F reference temperature OK control for solar Maximum tank temperature 140 F Cane room and e ow heating 10 Go to the Control page In the Solar Air Heating section you can set the switch on and switch off values for the solar air room heating Typical values have been pre entered in all the editable fields Room heating always takes priority hot water is only heated when room heating is not possible on account of temperature conditions Fan Hysteresis Control The fan switches on as soon
120. e value from the EnEV is 12 50 kWh m2 a Diffuse radiation Gaiff W m2 Part of solar irradiation which strikes a horizontal or tilted surface via scattering through air molecules and mist particles or reflection on clouds DIN V 18599 Energy efficiency of buildings calculation of net final and primary energy requirements for heating cooling ventilation domestic hot water and lighting Basis of calculation for the EnEV 2009 certifications for residential and non residential buildings Direct radiation Gair W m2 Part of solar irradiation which strikes a horizontal or tilted surface without changing direction District heating DistHeat Heat supply for heating buildings and drinking water In district heating waste heat created during power generation cogeneration is used among others Transfer of heat is predominantly effected via underground piping DKE DKE German Commission for Electrical Electronic amp Information Technologies of DIN and VDE Organization in Germany responsible for creating standards and safety regulations in the field of electrical engineering electronics and information technology Domestic hot water WW Domestic hot water typically refers to warm drinking water and in contrast to heating or buffer tank water can be consumed Effective surface An Reference value for confirmation in accordance with the Energy Saving Ordinance EnEV derived from the gross volume of the building All area based values
121. eater element N Electrical output 7 Absolute k Load standard f Specific k per tank volume Installation height Operating times Jan Feb Mar Apr E E E B Oct Nov Dec 4 OK Image A2 or A4 system Single Days in operation 123 Days coil DHW tank used as Note if applicable reduce the boiler operating times stand by tan k page Electric Element For the standby tank you can plan an Electrical water heater element by ticking the checkbox you can enter its electrical output either as an absolute value or related to the tank volume The respective other value is calculated and displayed The operating times of the heating element are defined by clicking the fields in the month bar for entire months or by using the magnifier for individual days 148 10 7 4 2 Dual coil DHW tank Variant menu System Definition Tank or system schematic Dual coil indirect hot water tank lt Parameters Heatexchanger Electric element Control Manufacturer Standard Type Standardtyp Volume 300 Number of tanks 1 Load standard Configure tank volume Design Suggestion 350 Accept Select Height 1 8 x diameter Insulation thickness 100 mm OK Effective thermal 9 065 w m K ay Cancel Image Input dialog for dual coil gt DHW tank The type of tank serves as a Solar tank in the lower area and as a standby tank below the bottom connection to the boiler On the Parameters page the
122. ed If you close the variant without saving changes will be discarded Delete variant Menu Variant gt Delete Variant A list of all variants on the open project is displayed Select a variant and click OX or double click the relevant line Confirm that you wish to delete 46 7 Site Data Menu Menu S te Data In order to design a useful solar system and be able to carry out financial analyses the climatic conditions in which it operates and its site data must be known The corresponding dialogs are opened via these buttons or sub menus respectively Load climate data a Set DHW requirements a Define heating requirements Process Heating Device Building with Air Collectors Swimming Pool 47 Project Data Menu File gt Project Data General project data Project Building project Planning office Project name Project 7 Project folder Project 7 Image Input dialog for general project data The Project Data dialog opens at the first page Project gt Proceed as follows 1 Enter at least the project name The other pages Project Building Projectand Planning Office are optional You can also load an image of the building If this information is completed it appears on the cover of the project report 2 Exit the dialog by clicking OX 48 7 1 Climate S climate Parameters Location W rzburg Climate file W rzburg Meteosyn a Lattude 49 87 Longitude
123. en building elements and system technology but also simulate the building dynamics and ventilation losses controlled ventilation The building is displayed as a cuboid which can consist of several floors This cuboid has a flat roof and rests on a bottom slab no basement possible The building geometry is recorded The building is symbolized in the system schematic by the surrounding building wall The building capacity and insulation is collected on the basis of the building geometry and information on the type of construction The full capacity of the internal walls or the furnishings can be preset In the model these are distributed equally to all rooms 7 5 4 Geometry Menu Site Data gt Building gt Geometry Only buildings with a rectangular floor plan a flat roof and no basement can be calculated The external walls are designated 1 to 4 and numbered consecutively clockwise The wall numbers are used on the Construction Type page On the Site Data gt Geometry page enter the dimensions of your building e Inside length wall 1 and 3 e Inside width wall 2 and 4 e Ceiling height The ceiling height is the same for all floors The product of length width and number of floors defines the area to be heated The product of area and ceiling height defines the volume to be heated e Number of floors maximum 2o floors The A V ration is the quotient of area to volume and is displayed in the unit 1 m 59 T SOL Pro 5 5
124. ena 126 136 MAOO POOL ansunennonn aaa 69 O A EA 226 Inside Temperature ccccsccsccsceeceeceecees 56 installati O fnoncecnnnnar 126 MME oana aE 190 insolation sucen 126 147 RAK TETT 59 INLETS S eane nee A 190 internet Update mereserenieeeen erei 16 Investments eesesesseseseeseseoseseeseseeee 190 218 ITW Company Systems 243 244 245 246 247 248 249 K KAA ANU e anaana oie 2st uel duel di 167 L Language Selection ccsccecesceecesceees 224 Large Scale Systems 81 170 171 172 Legionnaires SWitch cescsscsseees 119 173 Le SDaren eea 190 218 LISCOF PrO CIS 4 55 se assasdantdecidectdansdossaaaeerdse 44 Litera tUr eocen 228 Load PRONG G4 Sais TT 76 POG GIN Si aa 147 157 Loading SEQUENCE ccsceeccsceececesceeees 121 Loading TIMES cceceeseseecess 150 152 169 LOAM inssaoud ioaSasadusedas aaadeaedesesesssnanaieuseses 190 Borers hi te ererrrrr rere rete rar rrr enn mare renner nn 50 Low Temperature Heating Loop 166 Lower Limiting Angle cccceccessseecess 131 M Main Dialogue cceccsccscceceecescsceeees 119 Maintenance Agreement cccceecesceeeees 15 Manufacturer SyStem csccescees 248 249 Maximum Temperature Limit 150 152 154 Ment 28 75 81 117 179 206 225 226 MELEO SVMs an se eeeeetcana natn A 50 MINIMUM DIStANCE cececececevevcsceceees 136 Mixing ValVe cceccsseceees 169
125. endations with the help of the minutes simulation Within your existing project the current variant will be overwritten with the values determined in the assistant as soon as you click accept on the final page If instead you want to create a new variant click Variant New Variant and then select the option Open Design Assistant The design assistant guides you through all the required steps all the way to selection of the collector surface area and a Suitable tank These components are determined by quick simulation calculations following entry of a desired solar fraction 11 1 1 Project Data Variant menu Calculations Assistant gt Project Data T S0L Pro Design assistant Project data Variant name Variant A5 5 System location W rzburg Climate data Selection Wuerzburg Image Start page of the design assistant v Tan n climates ee ae m A smi om Mth eaten nw I a hns n nn e e ee ee O O First give the planned solar system a name on the start page of the design assistant As you can calculate several system variants within a single project the term variantis used here Click on the Se ection button to change the climate data record In the System Location field enter the location of the building scheme e g the street where it is to be constructed To complete the process you must now work through and fill out each page of the design assistant For this use the Continue and Back buttons at the bott
126. entered as an absolute value in liters per hour The temperature in the heat exchanger can be limited to a maximum temperature via the mixing valvefield If you select the Anti Legionnaire s Switch checkbox the Anti Legionnaire s page appears 168 10 11 4 Dual Coil DHW Supply with a Solar Preheating Tank and Auxiliary Heating in the DHW Standby Tank Variant menu System Definition gt DHW Supply or system schematic Dual coil water heating with two DHW tanks Components Control Anti Legionnaire s E TRR Primary loop C Fixed Specific from mean DHW consumption Image Vol flow rate 14 Ih 210 From 6 7 l h 10 11 4 V Mixing valve Maximum outlet temerature 65 C Dialog for dual coil in installation C1 DHW ae ae supply Fixed Specific from DHW consumption ith Vol flow rate 14 Ih 210 From 6 7l h ox wit two Cancel DHW tanks This component is only used in the additional module for SysCat large scale systems The dialogs on the External Heat Exchanger Auxiliary Heating and DHW Standby Tanks can be accessed via the Components page On the Controlpage the volume flow rateof the primary and secondary loop pump is either specified as relative to mean DHW consumption or entered as an absolute value in liters per hour The temperature in the heat exchanger can be limited to a maximum temperature via the mixing valvefield If you select the Anti Legionnaire s Switch checkbox
127. entral ba floor s or roof floor 3 8 e Full floors or south west south east north west or north east floor area For a building with a 45 orientation e g north east see chapter Type of Construction the floor areas of south north east and west are available This means that the building is divided into four equally sized rectangular supply areas Example Roof floor and south only the south quadrant of the top floor is supplied 7 6 Swimming Pool Variantenmenii J System Definition gt Swimming pool or system layout This chapter describes the components which only occur in swimming pool systems or otherwise differ from those in standard systems for example the collector loop connection for a swimming pool is no different to the usual connection even if it appears in a separate tab For swimming pools you define the loading sequence of the individual connections in the Collector Loop Connection dialog Y See also Calculation of the Swimming Pool Swimming Pool Systems Swimming pool in collector loop 67 7 6 1 Swimming Pool Parameters Menu Site data gt Swimming pool gt Parameters Outdoor pool Parameters Pool Solar yields Daily fresh water requirement 50 Indoor pool Private f Outdoor pool C Public rj with auxiliary heating Fresh water temperatures February 7 gt W calculate from dimate data August 12 Cc Ground temperatures February 7 pt W calculate from dimat
128. erature A high maximum temperature allows longer operating periods of the collector loop by definition increasing the swimming pool heating requirements and the solar fraction The control of the auxiliary heating ensures that the pool is regulated with a hysteresis of 0 5 Kelvin 7O 7 6 3 Swimming Pool Cover Menu Site data Swimming pool gt Pool Cover If you tick the with Pool Cover checkbox on the Pool page the Pool Cover page appears Swimming pool Parameters Pool Pool cover Solar yields Percentage of pool covered 90 TYPE Non transparent roller z Times pool cover used 0 21 3 Image Input dialog for swimming pool Pool Cover page example outdoor pool A swimming pool cover lowers convection and evaporation losses but at the same time reduces the use of radiation gains to the pool surface Various coverings are available which variously influence these effects In indoor pools the evaporation losses are comparatively low on account of the relatively high ambient humidity and because of the higher indoor temperature no convective losses occur For this reason covers on indoor pools only make sense in special cases For structural reasons many coverings only partially cover the swimming pool A Percentage of Pool Covered of 100 means that the pool is completely covered without any gaps or similar Define the 7 mes Pool Cover Used by clicking the clock green field covered These
129. es are thus now a thing of the past For combination tank systems the fraction domestic hot water and the heating fraction are determined and displayed individually previously total solar fraction as the fraction e g for funding applications must be separately given In every time increment the T SOL simulation balances if the yields contribute to the fraction of domestic hot water and thermal heat supply the circulation losses and the tank losses or the heating of the storage tank content Thus the origin Solar loop or supplementary heating of the heat is known meaning heat delivery can be distributed The Financial Analysis has been significantly extended and reworked In addition to one off grants yield dependent remuneration is now also taken into account The results were expanded to include important finance mathematics variables A graphic in the dialog box displays the most important variables An exportable table represents the annual values input and output cash flow T SOL can now make the economic efficiency of a solar system clear to both project client and investor The economic efficiency is integrated into the project presentation New buffer tank system C6 Completely modified and validated swimming pool algorithms see www valentin de Schwimmbadalgorithmen Automatic detection of the valid proxy server gt You can find all new features related to this and the latest releases on our websi
130. esult in enormous solar coverage for the swimming pool but no energy savings in the boiler 100 9 3 1 B1 Swimming Pool and DHW Systems Image B1 Swimming pool and DHW system without Image B1 1 Swimming pool and DHW system with Stratification Stratification The two systems differ from one another by the presence of stratification The system additionally features the following components e Dual coil DHW tank e Auxiliary heating e where required external heat exchanger 101 Image B3 Swimming pool and DHW system with Image B3 1 Swimming pool and DHW system with heating buffer tank heating buffer tank and stratification In comparison with the B1 systems these systems include a heating buffer tank and a heating loop The heating buffer tank is defined on the Collector Loop Connection Buffer Tank page The system additionally features the following components e Dual coil DHW tank e Auxiliary heating e Heating loop e Single coil heating buffer tank e where required external heat exchanger 102 9 3 3 B5 Swimming Pool and Combination Tank DHW System Space Heating Image B5 Swimming pool and combination tank DHW system Image B5 1 Swimming pool and space heating combination tank DHW system Image B5 3 Swimming pool and combination tank system tank in tank for DHW only Image B5 2 Swimming pool and combination tank system tank in tank for DHW and heating e M B Image B5
131. exchanger for DHW supply Fixe kA 1877 65 WK C specifi Image System As Input dialog for combination tank with internal heat exchanger gt Heat Exchanger page Cancel On the Heat Exchanger page the definition and distribution of the internal heat exchanger for DHW supply heat exchanger parameters are displayed but cannot be modified 10 7 4 3 3 Combination tank control 151 T SOL Pro 5 5 Manual Variant menu S ystem Definition Tank gt Control a Combination tank tank Parameters Heat exch tank Control Desired tank temperature Relative to DHW target temperature eg 45 C 10 K results in 55 C above desired tank temperature a eR RR REE with restricted load times Vv Height Switching temperatures L Switch on 3 K 18 6 Switch off 3 K Heating on 50 5 K i Select Heating off 50 10 K Collector loop connection Switch on off 19 OK Maximum 90 90 oC temperature limit Image System A5 X Input Cancel dialog for combination tank na i E Control page Both the desired tank temperature relative to the DHW target temperature and the switching temperatures for switching on the auxiliary heating relative to the input desired tank temperature at the temperature sensor of the auxiliary heating are entered under Control Please note that the desired tank temperature must be considerably higher than the DHW target temperature so that corresponding heat t
132. f collectors Collector area Gross 6 m Supply 6 m2 Image Shade ol Dialog EA for aia Can definin Shade gthe Parameters collecto r array 10 3 1 Collector Array Parameters Variant menu S ystem Definition Collector Array gt Parameters gt Proceed as follows 1 Click on the Select button to access the collectors database select one You can choose from a wide range of flat plate and evacuated tube collectors Define its properties via the Parameters button The characteristic data required for the simulation vary depending on the type of collector Configuration of the collector surface Define your target coverage gt see Glossary Solar_fraction Click on Des gn The collector surface and thus the number of collectors is estimated based on the monthly solar irradiation and the amount of DHW required You can accepfthis number or enter an alternative number The crucial factor determining the yield of the solar system is shading Click on Se ectto choose a type of shading 124 Collector array Define the details of the type of shading via its Parameters For a definition of shading profiles please see chapter Shading Define the geometric arrangement of the collectors on the nsta ation page On the page PhotoP an you can calculate the roof mounting with the help of imported photos and the visualization program PhotoPlan Define properties for calculating piping lo
133. f the draw off flow rate rises above a limit value the discharge pump of the buffer tank primary loop is started up The solar energy from the buffer tank is delivered to the standby tank via the external heat exchanger If the temperature in the standby tank is not higher than its desired temperature the tank is heated to the desired temperature by the auxiliary heating The system consists of the following components e Collector loop connection contains o Collector array contains B Collector see chapter 10 1 1 B Shading o External heat exchanger e Buffer tank e DHW supply see chapter 10 12 2 contains o External heat exchanger o DHW standby tank see chapter 10 6 9 o Auxiliary heating 112 9 4 4 C4 Large scale DHW and space heating system with auxiliary heating in flow Image C4 Large scale DHW and space heating system with auxiliary heating in flow Image C4 1 Large scale DHW system with auxiliary heating in flow The system consists of the following components where required heating loop Collector loop connection contains o Collector array contains B Collector B Shading o External heat exchanger Buffer tank Auxiliary heating DHW supply contains o External heat exchanger o DHW standby tank 113 9 4 5 C6 Large scale DHW system with solar and standby storage tank T fi J Fa i Figure C6 L Large scale 4 DHW system 7 with solar and ig standby iii
134. for all days equallyto specify individual night periods for each day of the week Enter a room temperature reduction This relates to the internal temperature you entered on the Space Heating Requirement page 56 7 4 Process Heating Device Menu Site Data Process Heating Parameters or variant menu System Definition Process Heating Process heating Parameters Operating times Consumption based on operating times Average daily consumption MJ Resulting annual energy requirement 26 28 GJ Maximum hourly requirement 8 7 MJ Temperatures Nominal supply temperature Minimum outlet temperature Return temperature SE Consumption profile 5 OK 2 Hospital Select Image Menu Site Data gt Process 3 Heating gt Parameters or variant menu System Definition Process Heating The three systems A13 A14 and A15 include a process heating device This is characterized by the fact that flow and return temperatures can be defined Auxiliary heating takes place in the buffer tank in system type A13 while system type A14 has auxiliary continuous flow heating in series Entering and operating the process heating is similar to DHW Consumption Additional information here is the energy consumption and return temperature Enter an average daily energy requirement The resulting annual requirement and the maximum expected hourly requirement are displayed Enter the desired outlet temperatu
135. glish French Spanish and Italian project reports are available in seven further languages Portuguese Polish Slovakian Slovenian Czech Hungarian and Romanian T SOL Pro 5 5 Manual Supplied Databases The program includes extensive databases for e collectors e boilers The various auxiliary heating systems are grouped by type e storage tanks Demo Version The demo version includes climate locations from all major world regions e Berlin e Kinshasa e Rom e Boston e Melbourne e San Francisco e Peking e Moskau e Washington e Kapstadt e Prague e W rzburg e Delhi e Rio de Janeiro 2 Software Management 2 1 Hardware and Software Requirements Internet connection Internet access is highly recommended The program and databases are updated via the Internet Processor 1 GHz Pentium PC RAM 512 MB Free hard disk space 400 MB Color monitor VGA min 1024x768 16 bit color depth Operating system Windows XP ServicePack 3 Windows Vista Windows 7 Windows 8 Graphics OpenGL Version 1 1 for Photo Plan printer driver Software Net Framework 4 o The NET framework will be downloaded automatically if not present Mouse A printer with graphics capability In order to run T SOL you must have full access administrator rights to the T SOL installation directory T SOL adopts the formats for currency numbers time and date set in the country settings of Windows control panel These formats also
136. h the capital value will reach null If the capital value is negative the pay back time is longer than the assessment period The following applies Remaining investment payback time gt Capital return time Amortization period Profitability The Return on assets is determined with the equation Return on assets return on capital total investment grants The Return on equity results from the equation Return on equity return on capital remaining investment The internal interest rate IRR is the interest on capital by which the capital value is null With a negative internal interest rate no positive capital value is reached In this case payment of the internal interest is waived The higher the internal interest rate the more profitable the investment The internal interest further implies how high the loan interest can be so that payments minimally finance the loan An important advantage of the internal interest as a return is that it does not depend on the capital interest The capital value is the total cash value which means all discounted payments over the live of the investment Even if the capital value is negative the investment can be profitable for the owner user when the return on the investment is MIRR positive Reinvestment premise The modified internal interest MIRR is a return which the bank account must reach if the remaining investment is deposited in a bank account that will reach the end balance
137. h the help of a continuous flow heater Image7 System A15 the device is connected with a heat exchanger directly at the collector loop As a result all the energy supplied from a certain outlet temperature can be taken from the collector array The three systems A 13 A 14 A 15 use two different process heating devices In contrast to DHW consumption these have a defined return temperature 93 T SOL Pro 5 5 Manual Open the System Definition of the Process Heating Device by double clicking the process heating symbol in the system schematic 94 9 1 12 A16 Systems with Distributed DHW Stations in Multiple Dwellings Images A16 Systems for distributed supply in multiple dwellings In this system the DHW is exclusively preheated in a solar tank compare A 10 The preheated domestic hot water is then distributed to the separate apartment transfer stations Up to 10 stations are possible In these stations the water is heated to the desired temperature with the help of a continuous flow heater 95 9 1 13 A17 A18 Systems with Buffer Tank Imageg A17 System with buffer tank and fresh water station Imageo A18 System with buffer tank and fresh water station This system heats utility water via a fresh water station which operates in a continuous flow process In A17 the auxiliary heating heats the tank and via the return increase the heating loop in A18 it only heats the tank as ther
138. he specific time periods hours days or months that have been switched off 232 Glossary Orientation angle a azimuth Describes the angle of deviation of the collector area from the south in the northern hemisphere It is o when the surface is facing due south The azimuth is positive when facing west and negative when facing east An orientation due west corresponds to a value of 90 and an orientation due east is 90 Pay back time Period of time required until the total of returns on an investment static payback method or e its capital value dynamic payback method reaches the amount of the investment Here the period of time the system must operate for the investment to yield a capital value of zero The program does not calculate pay back times of over 30 year Primary Pr Primary energy requirement Qp kWh a kWh m2a Calculated amount of energy required for space heating and domestic hot water which in addition to energy content of the required fuel and the auxiliary power for the system technology also includes amount of energy resulting from upstream process chains outside the building in extracting converting and distributing the respectively used fuels available in table form Primary loop Heating loop in the heat generator with high temperatures for transferring heat with a heat e e transfer medium to the secondary loop Process heating PH Process heating is the heating required
139. her by an amount equal to the switching temp than the heating return If the temperature difference is zero discharge will stop gt On the Control page the single coil heating buffer tanks have the same input parameters as the single coil DHW tanks Additionally you define in the Redirection Valve section the switching temperature for switching the three way valve in the heating return If the total of tank temperature in the boiler return and given switching temperature difference is higher than the temperature in the heating return the heating return is redirected in the tank which is therefore unloaded 153 10 7 4 5 Bivalent Buffer Tank P Variant menu S ystem Definition gt Tank gt Lower Collector Loading o or Cont Auxiliary Heating or gt Flow Buffer tank P Parameters Collector Dual coil auxiliary heating Auxiliary heating control Tank to tank Auxiliary heating control Auxiliary heating target value Set target value Target value 45 Accept DHW temperature 60 C Load default values t On off control hysteresis Switch on delta T 3 Switch off delta T 3 W Limited operating times Select Weekday OK Image Input dialog for Mon TEE buffer tank with external as heat exchanger Auxiliary 2 Heating Controlpage Systems A6 A12 A13 C1 C2 C3 C4 contain bivalent buffer tanks The buffer tanks with direct loading and unloading can take varying forms depend
140. her heating value Hs or lower heating value Hi for all new projects a If you want to change this setting in the current variant please use the System Definition gt Variant gt Savings dialog 13 7 Design Assistant Menu Options Design Assistant P Default settings Financial analysis Projectreport Climate data record Design assistant Units Internet update Localization Standard collector Manufacturer Standard Select Type Water consumption Desired hot water temperature 50 a Consumption per day and person 40 01 Cold water temperature cyde Standard flat plate collector Image Dialog Options Design Assistant OK Cancel 219 14 Languages Menu Language Here you set the current language Available languages are displayed Click on a language to select it Then you should simulate again so that the results file is also translated T SOL runs in these languages e German e English e French e Spanish e Italian In addition under Options Site Data Project Report Language you can Set the language for the project reports in the following other languages e Polish e Portuguese e Romanian e Slovak e Slovenian e Czech e Hungarian 220 15 Windows Menu Here you determine whether the current project s open variants and graphics should be displayed as All Visible or Overlapping FA The windows are displayed side by side The windows
141. icance Thermal solar systems can cover a considerable portion of this energy requirement Current systems for solar water heating function highly reliably and enable annual energy yields of 350 to 500 kilowatt hours per m2 of collector area At the same time they cut the emission of c 100 150 kg of the greenhouse gas CO2 Solar thermal systems directly use the sun s radiation and convert it into heat on an absorbing surface which is particularly of use in the field of hot water supply A thermal solar system must carry out the following tasks e Conversion of the sun s irradiated energy into heat with the use of collectors e Heat transfer to the storage tank via the piping system e Storage of heat in buffer tanks until required by the user In the process energy is lost at the collector in the piping system and in the storage tank Minimizing these energy losses is the job of practical adaptation and planning of the solar system for each specific scenario The system efficiency serves to evaluate these losses It is defined as the ratio of available energy from the solar system to the irradiated energy onto the collector area The percentage of total energy available covered by solar power is termed the solar fraction 3 1 1 Basic Construction of a Solar System The key component of a solar thermal system is the co ectoror the absorber which converts solar energy into heat and transports it by means of a heat transfer medium via piping s
142. ick on the blue arrow again to access the Collector Array dialog Via Parameters Collector gt Select you will reach the collector database from which you select one from the manufacturers listed E folebtorsuseah Gy Fy iJ Peoaukiive Ai niiin s ihn Grete i re Favoriten Watemehmen Produkt Zerik Grette Lange Brate H he spen ia pennies saree i ee ie eh i ee Stunciardhfttihrertolekoe Sa Paneis Pus hahrerknlekine 15 E 14 LE addi 47 7 2 Standard Finchienlektr Solar Paneks Plus R lverkolekior 22 i Li LH 40 p00 47 7 pea a oceans waar sohrenkbektoe SAA a y0 S s ETE I CPC Anhrenieakeite Amean Soler Works Holdings Ribhrenkolekior 5AA 25 i 4 2 HO 6000 47 7 Lee mal vel Geschech bung rere Goby Werks Hing Gibhrenboliekir SEA 30 a 481 sod 47 7 Scorn bay kihe OET a 167 il HI Exo 37 1 E een ee ae LS L5 208 Lo 7 9 ern Flachictektor moema E Lo RE on 00 588 CEVSOL a habreriolekioe 15H f E aR M 47 on oxo ens _ vso AG Ribwerkleki BEMER Be 202 M LM i oaa AER Scher International WestfaTec Rihrenkolekiir 2 VK 12 Dri 28 y 235 007 W 82 AY Lebai tepran Manufacturing Fedi iaaa fh 252 L3 24 Wii TLS erin Vewmann Manufacturing ithreriaslekine 200 T S282 E 33 L5 30 ajdi 54 7 Abit biho A5 kerena Riheokkio AOTEA lt del a 3 4 Li 2 EI M7 ae kaia o f akon saar k hrerkoletior JEW pa a 211 o a 37 1 iiaa iat Siom so Rohrenkolektor 25007 43 iu i e000 37 1 dighaswagt Erered Wassert
143. iliary heating is controlled via the thermostatic valve Solar loading of the heating buffer tank takes place via an internal heat exchanger The temperature of the buffer tank energy is increased by the auxiliary heating for the space heating 90 9 1 9 A10 System with Solar Tank and Continuous Flow Heater Single coil tank with solar loading This system uses a continuous flow heater to set the desired DHW temperature when solar power is insufficient for this purpose In contrast to system A16 a circulation system can be installed here Under System Definition selected heating type name gt Parameters you can select the auxiliary heating type and enter the power and fuel electricity oil natural gas for the auxiliary heating 91 9 1 10 A12 System with External Heat Exchanger and Fresh Water Station Image4 A12 System with external heat exchanger and fresh water station This system heats utility water via a fresh water station The collector array heats the buffer tank from which the solar energy supplies heating optional and the fresh water station which operates in a continuous flow process If the energy from the buffer tank is insufficient the auxiliary heating operates on the upper area of the buffer tank 92 9 1 11 A13 A14 A15 Systems with Process Heating Device Images System A13 auxiliary heating in buffer tank as in system A12 Image6 System A14 missing energy is supplied wit
144. in detached private homes are typically designed such that they largely reach a full supply outside the heating periods so that the boiler can be shut down in the summer Around 60 of annual hot water requirements can be covered by solar energy in this way Larger solar fractions i e if a large proportion of water must be heated by solar energy in spring autumn or in winter give rise to a surplus in the summer which cannot be used The solar system is then no longer operating as effectively as possible In other words an increasing solar fraction reduces the efficiency of a solar system For systems in multiple dwellings or social institutions in which the auxiliary heating cannot be switched off because of tenancy laws or other provisions current solar systems are designed with a solar fraction of up to 30 There are no simple methods to calculate the yield of a solar system precisely The number of parameters which determine the performance of a system is too large and includes not only the changeable non linear characteristic of the weather but also the dynamic processes in the system itself Although there are rules of thumb such as around 1 2 m of collector area per person and 50 storage content per m2 of collector area these apply at best for small systems in detached or semi detached houses In larger systems computer simulation is the only way to investigate the influences of ambient conditions user behaviour and of various co
145. ine profile for mechanical ventilation with hourly values Click Edit to open and edit the use profile for mechanical ventilation B If you have set mechanical ventilation you can set no partial areas in the supply area of the air collectors on the heating page as it is assumed that the mechanical ventilation covers the entire building See chapter 7 5 5 Heating 63 T SOL Pro5 5 Manual 7 5 4 Edit Use Profiles Menu Site Data gt Building Use gt Edit r Use profile Desired temperature Weekly profiles Weekly profiles file TSOL_House Desired temperature Weekdays Week types Monday Wednesday Friday 7 Sunday I Week A Week B Tuesday Thursday Saturday ME OC Weekc Hours Values in 2 Hourly values Desired temperature C 0 16 227 1 16 20 2 16 18 3 16 16 4 16 7 147 5 16 Load E 8 12 6 22 3 10 7 22 a 8 16 9 16 VE aS 6 10 16 Co 4 11 16 wid 2r 12 16 eerie HOVC_CMS gt S gt NSSooNo 16 Copy day 012345 6 7 8 9 1011 12131415 16 17 18 19 20 212223 Hours Paste 15 22 ye Use of building throughout year The yearly usage is shared by all three internal heat gains and ventilation Jun Jul Aug SIETE ni 7 aA Image Dialog S te Data gt Building gt z Fas Use gt Temperature Use Profile The S te Data gt Building Use page contains three Fad buttons one for the target room temperature one for the internal heat sources and one for the
146. ing energy requirement e g calculated in accordance with DIN 4701 or as this value is frequently not known have this value calculated by internal characteristic values by entering the thermal standard of the building 179 T SOL Pro 5 5 Manual T SOL Pro Design assistant Define requirement Hot water Space heating How large is the area to be heated 120 Is the space heating energy requirement known Space heating output requirement Use which type of heating Under floor heating Radiators Under floor heating Radiators underfloor heating Image Defining heating requirement in the design assistant lt lt Back Continue gt gt Cancel To determine the annual heating energy requirement calculated for every hour of the year by T SOL entry of the standard outdoor temperature is required 11 1 4 Set Collector Array Variant menu Calculations gt Assistant Set Collector Array T SQL Pro Design assistant Set collector array Collector Use which collector type Selection At which tilt angle should the collectors be set Which direction for the collector orientation Piping Length of internal piping system one way Length of external piping one way Image Defining the collector array in the lt lt Back Continue gt gt Cancel design assistant In the design assistant first use the standard flat plate collector from the T SOL database In quality this corresponds to a simple co
147. ing on the system schematic selected On the separate pages the inlets and outlets of the different piping pairs for loading and unloading the tank as well as the respective specific losses of the piping inlets and the installation height of the temperature sensors are displayed but cannot be modified On the Lower Collector Loading buffer tank with auxiliary heating or Upper Collector Loading buffer tank without auxiliary heating pages only the maximum tank temperature may be entered No changes can be made on the Dual Coil Auxiliary Heating page On the Cont Auxiliary Heating page the desired tank temperature for the auxiliary heating is defined and entered in relation to the desired tank temperature for the switch on switch off temperatures of the boiler If you activate the Fixed field you can predetermine the target temperature in the buffer tank On activating the Accept field the buffer tank target temperature depending on operating state and requirements is either the temperature required to load the water heater or for supplying the heating loop In the limited operating times field the auxiliary heating of the tank can be cut off for specific times of the day The Flow page specifies the connections for unloading the tank 154 10 7 4 6 DHW tank with external heat exchanger Variant menu System Definition Tank gt DHWor system schematic DHW standby tank Parameters Single coil auxiliary heating Auxili
148. ing pool BL Siam A x Ki ue bank system heating butter bark wh Fesh wale staton and swimming pool BLS Sa Y 4 Podl and DHAN ysin miih heating bufer baik na Str i k Poal and DHI system wih strabicaten and honir buffer tank HI Du A I K Pool and combinason tank DHW cysten cnace heaang B5 Si K x X m i Foui and combmation bank DHI system lank iri bank B5 2 Sia X i K eee a Ss ae ee ti A ai a ies y ate mk opal le ie e ai g pos 7 A i 36 BERL Pool and OH system with heatng buffer tank Addio imore h f Beretta N x x BEA Pool ered combenabon tank GHW prelen Rank in tank 3 Bereila N x x Augual Brae GnbH r mares w RIE Foal and DEAN ayshan with heating butha bank RE mI Riso Y i K f CPL Paal and Da system wii heating buffer tank StL ia tybar A x K Pudens Baci Thermoteonk Gah SL Pool and combination tank DHW system tank in tark SLES Syber x x x Feum a THE Pool ad DHW system mith beating buffer tark TEBI The Y i XK rammer VAT D Pool and combinaion bank DEA oysha bank in tank apwe bleating VAI Dar B47 Vala N i K Paradigms Deutschland Gmbh Viesgmann Foal and Dea system with heating buffer tank Wa B3 Vem A x i Biel Vegorann Peal and combmation tank DHW system pateat WBS Visio x x I Saunier Duval WAG RLATECHTesh with swimming pool connection WAG BL Wag N Y k hartind Pty Ltd WAG Pal and combination tank DAW system bank in tank aare hening WAG Bah Wag X i xi Standard 5
149. ion are recorded Calculate a daily consumption of 35 45 l per resident The T SOL default is 4 persons at 40 l 160 l At the same time the total consumption for the operating time and the resulting energy requirement are displayed The latter depends on the temperatures you enter in the 7emperatures section Enter the cold water temperaturesin February and August and the desired hot water temperature Click on the Se ect button to choose a suitable load profile with the most favorable consumption profile for you 52 DHW requirement 7 2 2 Consumption Profile Menu Site data 1 Hot water consumption Parameters Load Profile Consumption Profile Select Detached house evening max Parameters Description Detached house evening max Time profile Monday C Thursday Sunday Tuesday C Friday C Throughout week Cancel Image Dialog for defining consumption profiles If none of the included consumption profiles meet your requirements you can define new ones On the Site Data DHW Consumption page click the Parameters to define a new consumption profile This takes you to a graphic and tabular display Change your profile file as required The weighted consumption profile is displayed as a graph and a table for every day of the week the entire week and the year You can modify it via the table gt How to define hourly daily and monthly consumption 1
150. ions Supply 90 Losses 0 25 W K Return 20 Losses 9 25 WK Load standard Sensor installation heiahts T Switch on auxiliary heating 80 Switch off auxiliary heating 89 Auxiliary heating control Auxiliary heating desired value Adopt desired value Desired value 609 ec Select On off control hysteresis Delta T on 3 K Delta T off 3 K LK Image C6 System System Cancel definition Boiler buffer tank P d Auxiliary heating The boiler buffer tank is heated by the boiler only The consistent temperatures in the boiler buffer tank enable easier and safer operation of the boiler as well as the drinking water station The boiler buffer tank is discharged through the drinking water station only Boiler buffertank P Parameters Auxiliary heating DHW discharge DHW discharge f One way supply return f Stratified return with redirection valve Buffer tank bypass With buffer tank bypass i zhi anes a Sensor height 20 Load standard Buffer tank bypass delta T 3 K T Bleed off connections Mean supply 99 Lower tank return 2 Inter 30 Sensor installation heights Switch on delta T 3 Swi D Switch off delta T OK Reversing valve sensor c height Image C6 System System Cancel definition Boiler buffer tank gt P gt DHW Discharge gt See also C6 Large scale system for DHW with solar and boiler buffer tank as well as heating controller 159 10
151. ir collectors fa Use of building throughout year Monthly be fe fo for no i Weekly Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ae ee Image iad i _ Dialog Site Data gt 3 kanian Building Use Use Files Profile Edit Annual Cancel U se 8 Ifyou want to save the entered data in a new use profile use the Save As button as you will overwrite the present use profile if you just click Save The supplied use profiles are write protected so you can restore them to their original state at any time 7 5 55 Heating Preheating Menu Site Data gt Building Heating Building Building Geometry Construction Use Heating Conventional heating V Building has conventional heating Space heating by Radiators vr tox nterathetgane etre devicesin operation fon o Ventilation Free air exchange 7 Natural ventilation wit Image Dialog S te Data gt Building gt Heating On the Heating page specify the conventional heating and the supply area T for the air collector heating haii m j I i In the Conventional Heating section set the presence of a conventional heating system If one is present choose the type of hot water heating system underfloor or radiator and define the heating period If there is none present the conventional heating is not displayed in the system schematic In the Connection of air collectors section the o
152. irect hot water tank e Auxiliary heating e Heating loop e Single coil heating buffer tank 84 9 1 4 A4 DHW Systems 2 Tanks with Heating Buffer Tank Imageo A4 Two tank systems with heating buffer Image1 A4 1 Two tank systems with heating buffer tank without stratification tank with stratification The two tank system is expanded by a buffer tank for space heating The boiler maintains the upper areas of both the DHW standby tank and the heating buffer tank at the required desired temperature On the System Definition Control page you can schedule destratification for the event that the solar tank has a higher temperature than the standby tank The pump is switched on and off by the temperature difference between the solar tank and the standby tank In addition an anti Legionnaire s switch can be used to briefly heat the tank group A fixed time period on one or more days of the week is defined for this The priority of the DHW circuit over the auxiliary heating is preset when selecting an A4 system The system consists of the following components e Collector loop connection contains o Collector array contains B Collector B Shading e DHW standby tank e Solar tank e Auxiliary heating e Heating loop e Single coil heating buffer tank 85 9 1 5 A5 Combination Tank Systems Image A5 Combination tank system for hot water Image A5 1 Combination tank system for DHW and heating only Image A5
153. just a few entries on the geometry of the roof it is possible to gain an impression of the future look of the roof areas You require only a photo of the roof Photo Plan imports the dimensions for the selected module from T SOL Here you can export the roof with some solar thermal modules as a Photo Plan project and import it into PV SOL in order to fit the remaining area with photo voltaic modules in PV SOL Of course you can also do this in the reverse order Since in the case of solar thermal modules unlike PV modules the roof is not generally covered with modules you must also enter the number of modules rows and columns as well as the frame color when selecting the Milli sovar thermal systems product In addition Velux skylights and Braas roof tiles can be included and displayed The finished photo and number of modules is imported from T SOL See also Photo Plan Introductory video http valentin tutorials s3 amazonaws com PhotoPlanTutorials EN PhotoPlan_EN 1 PhotoPlanEN1 htm l Photo Plan Advanced functionality http valentin tutorials s3 amazonaws com PhotoPlanTutorials EN PhotoPlan_EN_2 PhotoPlanEN2 ht ml 135 10 4 7 Piping Variant menu S ystem Definition Collector Array gt Piping Collector array Parameters Installation Piping One way length Thermal conductivity of insulation Inside J m 0 045 W mK Outside 1 mi 0 045 Wif m K fesan 200 mm Collector 0 045 W mK
154. l bi Image Geographic setting Sheltered 2 Input govesseeeeeeenseeeeeneeceeeeeeeeenseseeeeennnscesteseeeeeaeeeeeeasessetete dialog Shade m l Ds aa aaa for p A n E etre ere E ae or ar nt nee Hgh swimmin pool Temperatures Pool Desired temperature 22 ar Ca pase example Maximum swimming pool temperature 32 WE outdoor e pool The primary deciding factor for losses and gains is the pool surface and to a lesser extent the pool shell insulation to the soil The volume is decisive for calculating temperature changes Pool measurements Enter the surface size or in case of for rectangular pools the ength and width Enter the mean depth of the water The volume is calculated Define whether or not the pool comes with pool cover Environment These fields are only relevant and can therefore only be completed for outdoor pools Enter whether any windshieldis available at the pool which can reduce convection and evaporation losses Define the geographic setting of the swimming pool such as e totally unsheltered in the open e unsheltered e sheltered e g in a residential estate e well sheltered e g in a wooded area 69 T SOL Pro 5 5 Manual Define the shade level Temperatures Enter the desired temperaturand the maximum swimming pool temperature The maximum swimming pool temperature defines the temperature up to which the pool can be heated by solar power It must always be higher than the desired temp
155. l savings are taken from the Options Site Data dialog It can be changed for the system under consideration Financial analysis parameters Parameters Investment Running costs Savings Loan Solar yield 35 MWwhja Fuel savings 4744 13 ma 474 a Change solar yield This change can only be reversed by a new simulation Nn P E Hin et The preset parameters are in part taken from the Options Default settings Financial analysis dialog and can be changed here for the specific system The other parameters are simulation results By varying the values for the solar yield and the fuel savings calculated by the simulation you can for example determine the values for which the system would be economically efficient However as these changed values no longer correspond to the simulation results you will see a warning It is a better idea to optimize your system and obtain better values this way Until then the program runs with the value entered manually here 192 11 3 6 Financial Analysis Loans Variant menu Calculations gt Financial Analysis gt Page Loans Up to three loans can be defined Description Loan capital The amount of the loan taken out in You can enter a grant on the page nvestments Term Period of time agreed for paying back the loan Grace period The period in which the loan may be paid without accruing further interest or penalty Either the annual installment
156. l simulation results per year and month but no graphics For a complete overview over the system you need both presentation and documentation Y See also Options Default settings Project Report 205 Sankey Diagram Menu Results gt Presentation gt Page 5 The flow diagram shows the energetic flows Solar irradiation to the collector surface area is yellow Losses from the collector loop tank and piping are blue The additional energy supplies boiler or swimming pool irradiation are red The fractions which are transferred from one calculatory area to another as net energy are shown in green 206 12 2 Graphics Menu Results gt Graphics You can use the graphics output to display graphs of all the values calculated in the program The climate profile over time the nominal output of the solar system for consumption and the evaluation parameters such as fraction and efficiency can be displayed at any point of the simulated period with a resolution in hourly daily or monthly values A graphics window with its own menu appears You can also open several graphics windows and arrange them as you like on the screen 12 2 1 Select Display Results Display results che j Available results by project tree ist of al avalabie results Ret Available results Graph legend fil Selection EI EnEV Al O Auxiary heating sensor on TAuxheaton enw ae en El Average temperature T Average tank Fi Heat
157. l up the most recently edited projects 38 Import project Menu File gt Import Via this menu item you can copy projects not located in the default Projects folder for example on a removable drive into the default Projects folder and open this copy The project format has been converted in T SOL Pro 5 1 You can load the T SOL Pro 5 0 projects via the menu F e gt Import 39 Save Menu File gt Save In the F e Save menu you can save the currently open project The projectdata prj project file as well as all project variants are saved in the folder with the project name you have entered under File General Project Data The project name is displayed in the headline of the T SOL window If you have not entered a project name the name project consecutive number is automatically created for the folder and project name 40 Save Project as Menu File gt Save as In the File Save as menu you can Save projects in different folders or for example copy them to a removable drive This opens a file selection dialog that allows you to manage the files in the standard way 41 Project Data Menu File gt Project Data General project data Project Building project Planning office Project name Project 7 Project folder Project 7 Image Input dialog for general project data The Project Data dialog opens at the first page Project gt Proceed as follows 1 Enter at least the project na
158. lding Max desired temperature Hospital X TSOL_House Commercial building Church sd School Constant values Max internal heat gains 3 0 W m Edit TSOL_House Ventilation Free air exchange 0 5 ifhr Natural ventilation with windows Mechanical ventilation C OK Cancel Image Dialog S te Data gt Building gt I Ses Use The parameters for building use arising from user behavior and the resulting control settings for heating and ventilation are collected on the Use page DHW consumption is defined in the Site Data gt DHW Consumption dialog Specify user behavior by choosing the most suitable use profile Target temperature internal heat sources and ventilation are combined in the use profile Residential building Vacation house Office building Hospital Store Church School Constant values i e the same parameters for all hours in the year Set the following use parameters 62 Target temperature for the room temperature control The target temperature is the same for all rooms and is taken hourly from the temperature use profile Value range o C 30 C Heat from nfernal heat sources e g from lighting body warmth computers and other machines and equipment in the building The heat is the same for all rooms and is taken hourly from the internal heat sources use profile Value range 0 100 W m Ventilation o Even if there is no ventilation system every building has ventilation resulting
159. lection 2 Collector Loops East West Installation Process heating device DHW standby tank Fresh water station X tt EE PE f ov eating e ef eft Jefe f heating oop er ae T ex x T Exlenma bicavexcuange Dr Valentin EnergieSoftware GmbH 9 1 1 A1 DHW Systems with Dual Coil Tank Image A1 2 DHW system with electric heating element Image A1 3 DHW system with electric heating ele This is the most simple type of system with just a single tank or tank group which serves as both a solar and standby tank This system is recommended for the redevelopment of small scale systems where no existing DHW tanks can be used The standard systems available differ from one another with respect to the presence of stratification and in the type of additional water heating auxiliary heating or an electric heating element in the tank The system consists of the following components e Collector loop connection contains o Collector array contains B Collector see chapter 10 3 B Shading e Dual coil DHW tank e Auxiliary heating 82 9 1 2 A2 DHW Systems 2 Tanks Image A2 DHW system with two tanks without Image A2 1 DHW system with two tanks with stratification stratification This is a system with two tanks or tank groups The first serves as a solar tank the second downstream as a standby tank This configuration is ideal if several tanks are planned for the system on a
160. lector Thermal Losses Variant menu System Definitions gt Flat Plate Tube Collector gt Losses Thermal Losses The energy absorbed by the collector and output to the collector loop less heating losses is calculated as follows P G ir o fan f G jif o ka T Ta K4 T Ta and ire Lire AMin Cm f Cm A with Gar Part of solar irradiation striking a tilted surface Gait Diffuse solar irradiation striking a tilted surface Tkm Average temperature in the collector Ta Air temperature fam Incident angle modifier After deduction of optical losses conversion factor and incident angle modifiers a part of the absorbed radiation is lost through heat transfer and radiation to the environment These losses are described by the heat transfer coefficient The heat transfer coefficient k states how much heat the collector releases into the environment per square meter of active solar surface and temperature difference between the average collector temperature and the environment in degrees Kelvin It is split into two parts the simple and the quadratic part The simple part ko in W m2 K is multiplied by the simple temperature difference the quadratic part ka in W m2 K2 by its square The specific heat capacity states the amount of heat per square meter of active solar surface that the collector including its heat transfer medium content can store at a temperature increase of 1 Kelvin It is stated in Ws m2K This decides how quick
161. llector with a surface area of 1m2 However you can click on the collector symbol to select any collector or otherwise choose your preferred collector under Options Default settings 180 Design Assistant The tilt angle and orientation of the collector array are entered in the following fields The entries for piping relate purely to the collector loop The single length of the piping should be entered This information is used to calculate thermal losses and hydraulic resistance of the piping 11 1 5 Design Target Variant menu Calculations gt Assistant Design Target T SOL Pro Design assistant Design target Total solar fraction Image Defining the design target in the design assistant Leite O E O e e NE tnt tales a tae neh An gta ie Here enter the target of your design i e the fraction of solar energy in terms of total energy consumption DHW and heating 11 1 6 Results Variant menu Calculations Assistant gt Results Click on the Continue button to first obtain a selection of tanks which the design assistant suggests for our system You can make changes to this selection To do so open the Se ection dialog Define an auxiliary heating A variation calculation is carried out with the three shown buffer tanks as soon as you click the Continue button Image Graphic presentation of simulation results of the design assistant A graph now appears on the monitor showing the simulation results for one
162. lose tank Si ela ean C change in intemal energy E Capacty tank IT Average tank Seer lone MI Consummation Natural gas H Cons Natural gas H1 Fl cons Natural gas H Ti Collector ko fay C Desred temperature auxiary heating T Dested Aux O Colector array felt C Energy from electric water heater element E Elec electric wat O Sensor aundary heating off T AUN heat off O Sensor colector bop reference temperature T Col on off O ensor colector bop switch off tempcrature T Coll off Tank lasees Heat loss tank 7 j Image Selection of simulation results acel Deselect ok for graphics display a You can select up to eight parameters to be displayed in a graphic by clicking on them This selection is saved to the Projekt ini file automatically and it thus can be reused anytime gt See also e Graphics Output Interface Format Curves Format Y axis Format X axis e Print Graphics e Graphics in Tabular Form e Graphics Output Speed Buttons 207 12 2 2 Interface of the Graphics Window Diagram for Variant A5 5 Oo tn Edit Curve Axes Display Options D A B aia 2 HN 4 Db M Variant A5 5 gal bs 20 000 3 12 30 10 15 00 2 20 10 00 6 1 4 5 00 m 2 sE fe Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec m Simulation period 1 1 31 12 Savings Natural gas H 123 116 gal CO2 emissions avoided 2 173 lbs B Total sol fraction 26 B Efficiency
163. ly the collector reacts to the irradiation This influence of this value is only significant for relative small pipeline networks as the capacity of the pipeline network otherwise takes priority 22 T SOL basics of calculation 3 2 5 Calculation of Primary Energy Consumption Consumption values efficiencies solar fractions and other parameters can be calculated from the temperatures and the energy flows of the system The use of fuels by energy type natural gas oil wood pellets district heating is calculated from the energy transferred to the auxiliary heating at the heat exchanger via the heat equivalent and the efficiency of the auxiliary heating The efficiency of the auxiliary heating is determined depending on the return flow temperature enabling simulation of the various efficiency levels at different capacity utilization of the heating system 3 2 6 Calculation of CO2 Emissions The CO emissions saved by the solar system are calculated in the results summary For this it is necessary to know which type of primary energy is saved by the solar system Emissions factors by fuel type are used to calculate the CO2 emissions of a heating system The following emissions factors are used in T SOL Fuel Heating value Emissions factor Oil 36722 kJ l 7 32748 g CO2 k Gas 41100 kJ m3 5 14355 g CO2 kJ District heating 5 14355 g CO2 kJ Wood pellet 15490 kJ kg CO2 neutral Table 3 1 Heating values and emissions factors 3 2 7 Calcula
164. me The other pages Project Building Projectand Planning Office are optional You can also load an image of the building If this information is completed it appears on the cover of the project report 2 Exit the dialog by clicking OX 42 oo La Project tree Menu File gt Project Tree El Project 6 a Variant A12 E l Variant A5 5 Climate Hot water consumption Detached house evening ma fe Space heating E Solar loop Ei Collector loop CL 1 E Combination tank int HX Manufacturer Standard IE Type Combination tank 900 A Volume 900 Specific volume 40 m per collector area Specific volume 50 of daily consumption Height Diameter 2 00 Insulation Thickness of insulation 100 mm Thermal conductivity 0 065 W m K i oi Connections _ E Hot water consumption Detached house evening ma Height Solar loop Upper tank outlet 99 Po W K Collector loop CL 1 F Dual cod indirect nee og tank inlet 1 Gas fired boiler Circulation return without Variante A12 Climate Heat exchanger Collector loop connection ere Image P Le j Height S a Return 2 B E Solar loop W K File gt i hu Ruffer tank Py i l i TE Supply Projec a Tree The project tree presents for all variants an overview of it s components The components are listed in the left hand area their descriptions are given on the right You can also open the par
165. mechanical ventilation An edit dialog structured in the same way for all three cases opens You can the thre save three different Week Types A B and C in a week profile These week types include e areas of target room temperature internal heat sources and mechanical ventilation which must all be edited separately Define Day Profiles for every Weekday for each week type The Building Usage Times over the year apply for all three usage areas E How to proceed 1 2 64 Load a week profile file Select a week type for editing The hourly values for Monday are shown in the table and the graph Select a week day for editing Its hourly values for Monday are shown in the table and the graph Click on any value and overwrite it The maximum value is 30 C 86 F larger values will be cut to these The graph is adjusted as soon as you place the cursor in another field You cannot modify the X axis hours Use the Copy Week or Copy Day buttons to paste complete weeks or days into another week type or day Click on Ed t Annual Use and specify which of the three week types will be applied to which week or if the building will not be used To do so repeatedly click on the month or week until the desired week type color is shown If you select Vo Usage the target temperature will be set to 5 C 41 F i e frost protection the internal heat sources and mechanical ventilation will be set at zero Building with a
166. ments The adjusted parameters in this system are therefore fixed and not changeable In this system this concerns the entire storage tank the control parameters of the collector array and the performance controller of the collector loop pump As a result of testing by the ITW and the subsequent validation procedure for the simulation this system holds the status of a tested company system Find more information on the selection of systems under System Selection 245 17 5 Company Systems 17 5 1 Saunier Duval Systems The following system layout are exclusively offered by Sauner Duval These are drain back systems the collector loop will be emptied on system downtime as overheating protection Further information can be obtained from http www saunierduval com Find more information on the selection of systems under System Selection a at Saunier Duval k Saunier HelioSet 1 1 A1 0 A Saunier HelioSet 1 2 A1 2 246 Saunier Duval Systems Y af p Saunier Duval AE Saunier HelioSet 1 3 A1 247 17 5 2 Solahart Systems The following system layout are exclusively offered by Solahart They comprise thermosyphon systems with optional downstream flow heater Further information can be obtained from www solahart com Find more information on the selection of systems under System Selection t a gE q g g i Solahart 181Kf Solahart 302Kf sa Solahart
167. minimum layer thickness is defined by two system definitions a layer cannot contain less than 1 of the overall storage volume and a temperature difference must be present between the layers 3 2 9 Feed In and Feed Out The cold water intake is always in the lowest storage tank layer hot water is generally drawn from the highest layer The inlets and outlets of the internal heat exchanger are set by the selected storage tank and are correctly represented in the storage tank view in the T SOL interface as are the levels of the temperature sensor to control the collector loop and auxiliary heating 3 3 Calculation of Economic Efficiency The economics calculation in T SOL according to the pay off method is based on the following formulae Investment Costs Installation Costs Subsidy yearly Operating Costs Pump Performance Operating Time Electricity Costs The cash value CV of a price dynamic payment sequence Z Z r Z r2 over T years lifetime as per VDI 2067 is Cash value CV Z b T q r 1i r q a Cash value b T g 4 q r for r lt gt q T q for r q q Simple interest factor e g 1 08 at 8 simple interest r Price change factor e g 1 1 at 10 price change The following applies for the capital value C of the total investment C CV ofthe price dynamic payment sequence over lifetime Investments Subsidies The pay back time is the period the system must operate for the investment to yield
168. mponents on the operational state of the solar system Solar systems can also be used for heating wherever heat is required in the summer or where solar energy can be used for cooling in summer These systems can then also make an appreciable contribution to building heating in the spring and autumn A further use of solar systems for auxiliary heating is in the field of low energy houses There the fraction of heating energy occupies the same order of magnitude as the hot water supply In buildings with current thermal insulation standards designing solar systems with the option of seasonal storage for heating purposes also in winter is inadvisable This results in very large collector areas and at the time high surplus energy in the summer i e in systems with very poor efficiency and consequently very high solar heat prices To design or optimize a solar system with T SOL the following steps must be followed 20 T SOL basics of calculation 3 2 2 Calculation of Energy Balance A thermal energy balance is generated to calculate status and temperature changes during a simulation period Mathematically this means the numerical solution of a differential equation Temperature difference Total of all input and output energies Total of all heat capacities Balancing means that the total of all input energy output energy and storage of energy via the heat capacity of the system components must be equal to zero This balancing is
169. n temperature difference normally 9 13 C The fan switches off as soon as the air from the air collector is too cold or if it is either too hot in the tank a because the outlet temperature of the air collector is lower than the tank temperature by the switch off temperature difference normally 2 6 C typically lower than the switch on temperature difference or b because the tank temperature is higher than the maximum tank temperature stated here normally 50 70 C 10 5 4 Air Ducts Variant menu System Definition Solar Loop with Air Collectors gt Air Ducts fi Solar loop with air collectors Parameters Installation Fan Control Ductwork Main air ducts Diameter Length Outer wall gt Collector EA ft 0 ft Collector gt Outer wall 0 52 ft 1 64 ft Air intake through building 9 52 ft 0 ft Insulation Insulation thickness Thermal conductivity of insulation Outer wall gt Collector 1 97 in 0 02 Btu hr ft F Collector gt Outer wall _ 1 97 in 0 02 Btu hr ft F Air intake through building 0 79 in 0 02 Btu hr ft F Main air ducts for DHW connection Diameter Length Outer wall gt HX 70 52 f 6 56 a Dialog System Definition gt 2 ft ft F A 2o anie Solar Loop with Air z OK Outer wall gt HX 97 eee smth a collector loop control for 1 97 in 0 02 Btu hr ft F iiai e gt solar room and DHW heating 12 Go to the System Definition Solar Loop with Air Collectors Air Du
170. n the tank is displayed The switching temperatures are entered in relation to the desired tank temperature 3 Ifthe checkbox next to l With restricted load times is activated the switching times can be defined using the clock green area tank can be loaded gray area tank is not loaded irrespective of its operating state 4 Inthe Collector Loop Connection section the position of the measurement sensors for switching on and off the collector loop and the maximum temperature limit of the tank are displayed The maximum temperature limit can be changed 150 10 7 4 3 Combination tank Variant menu System Definition Tank or system schematic 10 7 4 3 1 Combination tank in tank ae wl Variant menu System Definition Tank Heat Exchanger Tank Combination tank tank Parameters Heat exch tank Control Heat exchanger for collector loop kA 1000 wK OK Image System A5 4 Input dialog for tank in tank system o Ue Heat Exchanger Tank page Cancel On the Heat Exchanger Tank page the internal tank for supply of hot water volume is defined The geometry of the internal tank is displayed only and cannot be changed 10 7 4 3 2 Combination tank with internal heat exchanger du Hip Variant menu System Definition Tank Heat Exchanger Combination tank int HX Parameters Heat exchanger Control Heat exchanger for collector loop fe Fixe kA 823 53 WK f Specifi kA 0 82 WKI Heat
171. nd the financial analysis opens simulation complete Presentation report j Graphics Financial analysis 7 Image t Detailed project report Selection dialog at end of simulation 5 However you can also exit the dialog by clicking C ose and continue to work via the menus or symbols 185 11 3 Financial analysis Variant menu Calculations Financial analysis Here you can check whether investment in a solar system is viable The common variables of the calculated investment as well as a graph are presented in the result The yearly itemized results can be displayed in a table In the presentation the most important input parameters the graph and the results are given This section in the presentation can be enabled and disabled in the options This is not a comparative financial analysis since only the investments for a solar system are considered Comparative systems e g gas boilers are monetarily considered through savings only The financial analysis is aimed at two target groups who look at the results from different perspectives e Owners or system users e Investors Owners users e The owner is interested in the savings which means the substitution of natural gas with solar energy e Owners have more or less a higher percentage of capital which means that the remaining investment is relatively high e To make the results clear calculations are made similar to a bank account in
172. ng pool heating requirement cannot be determined from the simulation In this case the swimming pool fraction is defined as the percentage of time in which the swimming temperature is above the target temperature to the total operating time A fraction of 100 means that the pool temperature was reached or exceeded over the entire Operating time 27 4 Using the Program T SOL Pro 5 0 Projekt 1 Project Variant Sitedata Database Options Language Window Help Service c g7 h Manage site data in the variant Ej Syster Variante Climate file Wuerzburg whbw Select new system System definition Calculations Results Asia eeunk PFS eee Grae ie Wuectarg Variant Menu EE il ae 5 Select new system Sysbem definition Caluilabons Results AEBEK System Layout Context Menu Image T SOL user interface The T SOL program is operated via menus and symbols The program window contains e amenu bar and e atoolbar containing icons providing easy access to the menus you will use most frequently If you hold the cursor over the symbol a descriptive text against a yellow background appears e One or more variant windows also with a toolbar e Other windows dependening on which menu is open A variant window contains e The variant menu e The variant toolbar e The system layout e Various context menus depending on where you right click and e An information bar at the bottom of the variant window 28
173. ng with two DHW tanks Components Contro Anti Legionnaire s IV Anti Legionnaire s switch Primary loop C Fixed Specific from mean DHW consumption Vol flow rate 14 l h 210 From 6 7 l h lv Mixing valve Maximum outlet temerature65 C Secondary loop Fixed Specific from DHW consumption Vol flow rate 14 Ih 210 From 6 7l h OK Cancel Image 10 11 1 Input dialog for gt DHW supply The dialogs on the External Heat Exchanger and DHW Standby Tank can be accessed via the System Definition gt DHW Supply Components page On the Controlpage the time it takes for the DHW standby tank to fully load is shown under Load Time f the volumetric flow rate of the loading pumps is to be calculated from this value i e the relevant radio button is selected the load time can be modified Alternatively you can also enter the required volumetric flow rateof the primary and secondary loops directly The supply temperature in the primary loop can be limited to the required temperature in the DHW standby tank to prevent calcification via the mixing valve field The Speed Controlled Pumpoption in the secondary loop means that the volumetric flow rate of the pump is controlled in this way to reach the target temperature You can set a fixed value for this target temperature Click Accep to apply the respective desired tank temperature as the target temperature This is recommended if you set different desired tank temperature
174. nt house You select the A3 DHW system with heating buffer tank and click directly on the corresponding schematic This selects it now click Continue 178 Design Assistant 11 1 3 Define Requirements Variant menu Calculations Assistant Define Requirements Hot Water or Heating T SQOL Pro Design assistant Define requirement Hot water Space heating Is the hot water requirement known No of people to be supplied Is a DHW recirculation loop used What is the target temperature for DHW What is the cold water temperature February August Image Defining hot water requirement in the lt lt Back Continue gt gt Cancel design assistant Here there are two pages to fill out consumption of hot water and heating There are two possibilities for entering hot water requirements if you know the average daily requirement you can enter it directly by clicking on the checkbox If you do not know it you can enter the probable or actual number of people to be supplied This figure is then used to calculate the absolute requirement with a predefined specific requirement The specific requirement per person can be entered and modified in the main menu under Options Design Assistant The DHW target temperature and cold water temperature should be entered here and can also be preset under Options Click on the Heating tab to access the input page for heating energy requirements Here too you can either enter the heat
175. ntifications such that the simulation results agree with the measurements The adjusted parameters in this system are therefore fixed and not changeable In this system this concerns the entire storage tank the control parameters of the collector array and the performance controller of the collector loop pump As a result of testing by the ITW and the subsequent validation procedure for the simulation this system holds the status of a tested company system Find more information on the selection of systems under System Selection 241 17 4 4 ITW System Layout Ratiotherm Manufacturer Ratiotherm GmbH Test report no 0o3ST091 This solar system with combination storage tank for hot water and space heating is labelled an ITW system layout This means that this combination storage tank and where available its controller have been measured and tested by the Institute for Thermodynamics and Heat Engineering ITW at the University of Stuttgart In the T SOL mathematical model the system parameters have been adjusted by parameter identifications such that the simulation results agree with the measurements The adjusted parameters in this system are therefore fixed and not changeable In this system this concerns the entire storage tank the control parameters of the collector array and the performance controller of the collector loop pump As a result of testing by the ITW and the subsequent validation procedure for the simulation
176. o 5 5 Manual Open variants Menu Variant gt Open Variant P Open variant Al Varianti Standard TSAtypAOW Variante Al Standard TSAtypAOW Variante Beispiel Standard TSAtypAOW Variant A12 Standard g fferFWW StationOWw Variante A12 Standard TSAPufferFWWStationOWw Copia de Variant1 Standard TSAPW_2 1 Variante A 2 Standard Tsatypb_OW Variante A3 Standard Tsatypa_hzg Variant A5 5 Standard TSAKombipuffer_OW Variante Collet Aria Standard TSAAIrT WW Variante Luko fr LuWaWT Standard TSAAir TWW Variante Pisc Standard TS5ASBKombiPutferFWWstation T Variante 5B Standard Tsasb_mit WT BER AS 2 Variante 1 Beretta Tsakombi Image 6 2 J Dialog for File C Users Wust VALENTIN 000 Documents Walentin EnergieSoftware TSOL Pro 5 0ProjectsProject 6Wariante Beispiel var open in g OK variants All variants in this project are displayed in a list Open the variant s by selecting the relevant line s and clicking OX Duplicate variant Menu Variant gt Duplicate Variant Copy the current variant to create a further variant The copy then becomes the current opened variant Save variant Menu Variant Save Variant Save the opened variant Otherwise changes will only be saved when the variant or project is closed Close variant Menu Variant gt Close Variant Close a variant by either entering CTRL F4 or by clicking the button If you have made changes since last saving the variant you will be given the option to save before it is clos
177. objects appear as red hatched rectangles the tree objects as green hatched rectangles Double click on one of the objects to select it on the List of Objects page and modify it 6 Existing objects can be deleted by clicking the De efe Object button 132 10 4 5 Installation Variant menu Y S ystem Definition Collector Array gt Installation The position of the collector array is defined on the nsfa lation page Enter the or entation which describes the position of the collector area It is independent from the location therefore it is the same for the northern and southern hemisphere The azimuth angle is calculated and displayed It describes the deviation of the standard angle of the collector surface area from the south northern hemisphere or from the north southern hemisphere respectively Orientation Azimuth angle Northern Hemisphere Southern Hemisphere North O 180 O East 90 90 90 South 180 o 180 West 270 90 90 Image The nclination or tilt angle describes the angle between the horizontal and the collector surface area B o gt The collectors are flat on the ground f8 90 gt The collectors are vertical The irradiation process calculates irradiation to the tilted surface from the orientation and tilt angle which is then shown in the table at the bottom of the page 10 4 5 1 Minimum distance between mounted collectors Variant menu S ystem Definition Collector Array gt Installati
178. obtain an ID The program ID is automatically provided as soon as you enter the serial number It is not possible to enter the program ID yourself You will need to let us know the program ID when registering so that we can send you your key code 12 2 3 3 Request the Key Code Menu Help Info Registration button Change Registration gt 1 button OK You can activate your program in two different ways Request a Key Code Online Registration 12345 0 12A 123 A 1AB 1 ABC AB A 1LAB ABC Request key code Time required to send Enter key code This method requires that your computer has internet access Click on the Online button to open a form where you can enter all the information required to receive a key code The fields marked with an must be completed After you have completed the form you can send it straight off the recipient s e mail address is entered automatically for your convenience After sending the e mail the activation key code is displayed Additionally this key code will be sent to the given email address Request a Key Code by Telephone If you do not have a fax or e mail you can request the key code by phone In this case you will need to give us your program ID when you call 13 2 3 4 Enter the Activation Key Code Menu Help Info gt Registration button Change Registration gt 1 button OK 4 button OK Once you have received the key code enter the key code into
179. om You can also click on the symbols in the left hand margin to jump directly to a specific page 177 T SOL Pro 5 5 Manual 11 1 2 System Selection Variant menu Calculations Assistant System Selection T SOL Pro Design assistant Select new system Which amenities would you like to supply with solar energy i ele W Domestic hot water N Image System eee selection in the r design assistant I pli A P A _ a ill U onl a pet i elgg nb ees th e r i we pi mam Pop as an anih The next two pages contain information on the system selection This is dependent on the specific application of the system First enter whether the system will be used for DHW supply and or space heating The space heating must therefore also be activated by clicking the checkbox Depending on your entry the assistant will now offer a range of systems on the next page The range of different systems is divided into small scale systems combination systems and buffer tank systems a click on the respective tab reveals the available systems To determine the required collector surface area the design assistant uses a reduced simulation process on an hourly basis The use of this process is restricted to simple systems As a result the design assistant does not contain all the systems which can be found in the System Selection variant menu Back to our example this requires a solar system for DHW supply and space heating in an apartme
180. on Calculation Image Dialog for defining the minimum distance between mounted collectors The minimum distance of mounted collectors is calculated in this dialog on the condition that the collectors should not shade each other at 12 00 pm on the winter solstice The suggested distance is a function of the tilt 8 beta the solar angle y gamma at 12 00 pr 21 12 and the installation height b of the collector The program then calculates the minimum distance between the collectors d between the supporting points of the collectors and the free distance dz between the collectors E How to proceed 1 Enter the width 4 of the collector 2 Enter the angle a p a of the installation surface 133 T SOL Pro 5 5 Manual The height of the collector array is calculated by the program The tilt angle Gis taken from the Collector Array dialog The solar position amp gamma at 12 00 pm on December 21 is calculated by the program 3 Exit the calculation by clicking OX Mutual shading of the collectors is not taken into consideration in the calculations 134 10 4 6 Roof layout with Photo Plan x we Variant menu System definition gt Collector array Photo Plan Using Photo Plan you can create a photorealistic plan of your roof areas gt How to proceed 1 6 There are two detailed instructional videos on how to use Photo Plan see below It is recommended that you view the introductory video With
181. on by drawing with the mouse or by entering table values or by importing a complete horizon 1 Start by clicking on the horizon line with the left mouse button The current position of the cursor can be seen in the upper bar given as azimuth height A dashed line is drawn between the starting point and the current position 2 Click the next point using the left mouse button thus confirming the dashed line The horizon line can only go from left to right As a result no dashed line can be seen if you move the cursor left of the current end point 3 Stop drawing by clicking the right mouse button 4 Redrawing lines can only be done after completing the current sketch point and from an already defined point The following text is displayed in the upper bar To amend the horizon click with the left mouse button exactly on the horizon line It can be difficult to click on the existing horizon line where this is vertical Rather enter a fitting individual object This is done on the L st of Objects page The Shading from Individual Objects dialog opens 130 Shading Horizon 1 Or enter the vertices of the horizon in the table directly The start and end point are already entered as are any generated with the mouse 2 Define a point via New Point first 3 Adda point to the table using Add new Point On being entered the point appears in the sketch 4 You can copy the table to the clipboard and from there into spreadsheets
182. on of the collectors to the greatest possible irradiation The absolute irradiation can be seen in the lower part of the dialog For the south west orientation it is greatest between an installation angle of 30 and 35 degrees For spring fall and winter however it is more effective to select the steeper angle So you can now answer the architect s question regarding the installation 35 degrees from the horizontal You can later further optimize this angle by carrying out several simulations with different angles and comparing the results If you already have information on pipe routing from the boiler room to the roof these can be entered in the dialog on the Piping page If not you can use the default values Click on the blue arrow again to access the next dialog the Dual Coil DHW Tank As you are expecting hot water consumption of 175 liters choose a tank with double this size i e 350 liters which can be loaded from the relevant database by clicking Select If you want to use a Storage tank not contained in the database you can also change the tank s volume after loading it The tank will then be saved with the modified data for this project You do not need to enter any further information for the tank and the data for control can also be left unchanged The default o Kelvin for the Desired Tank Temperature on the Control page means that the temperature of the upper tank is taken from the hot water target temperature which you have
183. onto the collector surface active solar surface It is a benchmark for the system s efficiency System expenditure factor ep The system expenditure factor describes the ratio of primary energy absorbed by the system technology in relation to the available heat released by it The smaller the value the more efficient the system In residential buildings the value for the energy requirements ofa system also takes account of preparation of a standard amount of hot water ep Qr Qn Qw gt Differentiation The expenditure factor describes the energetic quality of the heat generator under the conditions found in the building while the value for the energy requirements of a system describes the energetic quality of the entire heating system Target temperature The minimum temperature of domestic hot water If the target temperature in the upper layer e of the tank is not reached the auxiliary heating is switched on Target value Targ Temperature T C The temperature is a material property and describes the ability of a body to generate internal energy in the form of heat Thermal buffer store Contains heating water for heat storage Thermal conductivity 1 W mK The thermal conductivity states the amount of heat passing through one square meter of a 1m thick layer of building material in an hour when the temperature difference between the two surfaces is 1 Kelvin Criterion for assessing the quality of insula
184. ool Control Volume flow rate 40 h m2 C Fixed per collector area Collector loop on Collector outlet temperature 8 K above tank reference temperature eae Image Dialog Connection gt Collector Loop connection of a dual coil DHW tank e g system B3 1 Collector outlet temperatur 3 K above tank reference temperature C Difference across the primary loop heat exchanger les K You can enter the volumetric flow rate as an absolute value or per m2 of collector surface area a ee eee ee et a ee ee ere Define different conditions for switching on or off of the collector loop relative to the collector outlet temperature the tank reference temperature and the temperature spread across the primary loop heat exchanger 120 Collector loop 10 2 3 Control Variant menu S ystem Definition Collector Loop Control Collector loop connection Collector loop Tank connection Control Collector loop on Collector outlet temperature K above N temperature Collector loop off Collector outlet temperature 3 K above tank reference temperature Difference across the primary loop heat exchanger less than 3 K Variable flow rate collector loop pump ate 130 gt Input dialog for Collector Absolute target temperature 4 oC loop connection 2 Control Relative target temperature Reference temperature K ieee page olume flow rate 1100
185. orage model uses storage layers of variable strength The number of layers in not fixed but adjusted during simulation Storage regrouping Heat transport from the solar storage tank to the standby tank When activated storage regrouping occurs when a higher temperature is present in the solar storage tank top than in the standby tank top Storage tank ST To bridge weather related and or seasonal fluctuations in irradiation storage tanks are used to buffer heat The volume of the storage tanks is governed by the heating requirement and the period of time to be bridged Stratification Facility enabling layered loading of storage tanks Typical stratifications are e g convection chimneys with radial openings Sun height angle of elevation y sinh Angle of the sun to the horizontal The solar altitude angle depends on the daytime the time of the year and the geographical location Suneye Device to determine an optimal location for the solar system with the help of annual irradiation graphs and sun active time of day data Supplementary heating seet Auxiliary heating Supply removal To Fro 235 T SOL Pro 5 5 Manual Surface A gt see Effective surface An Swimming pool SP Swimming pool water heat requirement The total amount of energy generated by the solar system and auxiliary heating for the swimming pool System efficiency Quotient of the available energy generated by the solar system and the energy irradiated
186. ound in the L s t of All Objects drop down box Here you can select the object whose value you can See or wish to change in the right part of the window In addition to the object description in the left part of the window you can see an image corresponding to the object type tree or building If no object has been defined the list is empty E How to define a new object 1 Depending on the object type click on the New Object Building or New Object Tree button A new object e g with reference Object No 1 is created and its standard values entered in the right part of the window 2 To better differentiate among objects give each object its own reference 3 Enter the values for objects in the medium distance height width distance and azimuth The measuring point for defining these values is the center of the collector surface looking south In other words an azimuth of o means that the object is in the south 90 East 90 West irrespective of the collector azimuth The height angle can be defined from the information on height and distance Width and azimuth set the angle for the vertices of the object 4 The difference between tree and building resides in the light permeability of the objects For a tree object the Seasonal Shade button is activated Enter a percentage of shade for every month of the year In summer shade will be greater than in winter due to leaves 5 On the Horizon page the building
187. ourself with the program 80 Manual T SOL 9 1 Standard Systems Variant menu System Selection System A1 DHW systems with dual coil tank A2 DHW systems 2 tanks A3 DHW systems w heating buffer tank A4 DHW systems 2 tanks with heating buffer tank A5 Combination tank systems A6 Buffer tank systems A7 Thermosyphon systems A8 Space heating A1o System with continuous flow heater A12 System with external heat exchang er and fresh water station A13 Systems w process heating device and auxiliary heating in buffer tank A1o Systems with process heating de vice and continuous flow heater A15 Systems with process heating de vice and heat exchanger A16 Systems with distributed DHW sta X tions in multiple dwellings A17 System with buffer tank and fresh X water station A18 System with buffer tank and fresh water station C continuous flow heating x available o optional gt x lt 4 pfp buat cot indirect not watertank In addition every system includes the following e Collector loop connection contains o Collector array contains 6 Collector page 81 4 w J _ O e ees Q Y X x X Ww ae E 4 he aB u a Q on G 1o aB z O O on N aD on c lt OO x lt aD aD lt aD c 9 Variant Menu System Se
188. ow process compact station with heat exchanger pump controller Fuel consumption The calculation of fuel use natural gas oil wood pellets district heating is derived from the energy transferred to the auxiliary heating heat exchanger via the fuel s heat equivalent and the auxiliary heating efficiency 229 T SOL Pro 5 5 Manual Fuel price kWh The price for the stated final energy valid at the time of calculation It must be entered in the currency given in Windows country settings Fuel saving a Fuels are primarily used to generate heat In addition to reducing heat loss the use of solar heat generates fuel savings The program converts the available solar heat at any one time using the respective auxiliary heating efficiency and the corresponding heat equivalent of the energy source into fuel savings Global irradiance G W m Hemispherical irradiation onto a horizontal surface Gross collector area Ac m Surface area of the collector excluding devices for attachment and the piping connection Usually width by length Calculated by the external dimensions of the collector the specific collector parameters are not usually taken from the gross area but from the active solar surface Heat consumption Hcon Heat exchanger HE Heat exchangers are used when heat is to be transferred between different heat transfer media Internal and external heat exchangers are differentiated Heat gains Qs Qi Compri
189. ower heating value LHV Hi Higher heating value HH lt Edit selection Biogas Gas m norm 23300 31kj m3 ay 3 Briquette Chem energy solid kg 19260 kJ kg 20700 kJ kg Butane Gas m3 norm 123810 kJ m 134060 kJ m a Diesel Chem energy liquid ltr 36400 kif 38897 kJA Natural gas H Gas m norm 37512 k3 m 41112 k m Fuel type Natural gas L Gas m norm 31932 kJ m 35136 kJ m Show all District heating Thermal energy J Liquid gas Pr Bu Gas m3norm 108548 kJ m 117681 kJ m Show only user created data records i e lia coe eee ie 36288 kI 38052A SEE Fuel oil 5 Chem energy liquid Itr 38196 kI 40572 kI Wood chips damp Biomass kg 7250 kJ kg 9485 25 kJ kg Wood chips dry Biomass kg 15000 kJ kg 19000 kJ kg Wood shavings Biomass kg 12750 kJ kg 14595 63 kJ kg Ima ge Wood pellets Biomass kg 18550 kJ kg 20300 kJ kg Coke Chem energy solid kg 27000 kJ kg 27108 kJ kg 8 4 1 Mein Brennstoff Gas m norm 23300 31kj m 25853 5 kJ m Dia log Methane Gas m3 norm 35880 kJ m 39820 kJ m Methanol Chem energy liquid ltr 16661 kJ 18833 kKJ for the Propane gas Gas m norm 93210 kJ m 101240 kJ m pri mary Rapeseed oil Chem energy liquid Itr 35765 93 kif 38820 9 kif Bituminous coal Chem energy solid kg 29304 k3 kg 30276 kJ kg energy Electricity Electricity kwh databas Electricity D Electricity kWh a 4 b T SOL includes all typical fuels with the following properties in a database e Fuel Type all fuels are classified in g
190. pheric conditions at a specific place which run their course over a specific period of time Climate data The climate data supplied with the program for numerous locations contains hourly median values for global radiation outdoor temperature and wind speed CO2 emissions g kg Carbon dioxide is the quantitively most significant greenhouse gas GHG released by human activity in particular combustion of fossil fuels Calculation of pollutants Collector Coll Technical device for converting radiation energy into heat energy Common types are flat plate and evacuated tube collectors Collector array CA The collector array consists of the collectors and the piping 226 Glossary Collector loop CL Circuit containing the collector or the absorber and which is responsible for transporting heat from the collectors to the storage tank or heat transfer medium Collector loop connection The collector loop connection represents the connection between the collector array and the storage tank by flow and return Collector loop efficiency Quotient of the energy emitted from the collector loop and the energy irradiated onto the collector area active solar surface Compound parabolic concentrator CPC Compound parabolic concentrator reflectors used in evacuated tube collectors for enlargement of the aperture area in a geometrically optimized form as a parabolic trough Controller The controller has the responsi
191. pplies the heating loop with the required energy 114 10 System Definition Variant Menu S ystem definition System definiton Calculations Results System definiton Calculations Results Variantl Variant Al Collector loop CL1 space heating loop Collector array CL 1 Solar loop Flat plate collector Collector loop CL1 Dual coil indirect DHW tank Collector array CL 1 Gas fired boiler Flat plate collector Varia EEEN M x Solar loop heat exchanger Solar loop Buffer tank P i Gas fired boiler Fresh water station EEESS Variant menu for an A12 system The systems are made from individual components Define or modify the properties of these components in the relevant dialog You can access all parameter dialogs e viathe variant menu System Definition lt Your_Componen t e by double clicking the relevant component in the system schematic e using the Properties context menu right mouse click e gt Just as the displayed system schematic changes depending on the system selected so do the submenus available e Go from one parameter dialog to the next by using the arrow buttons E How to define a system 1 Open the System Definition by double clicking on the system schematic 2 Go through the site data in order and all the components in this system and enter the required parameters If you change site data See chapter Site Data Men
192. projects Using the Reset fo Defaults button these settings are then reloaded General The fespan is the time span defined by the manufacturer over which the system is foreseeably operational For solar installations a lifespan of 10 20 years is estimated The nterest on capital is the basic interest rate for determining the capital value and the variables derived therefrom pay back time and initial costs of solar The re nvestment return is used under the so called reinvestment premise Investment surpluses pos cash flows earn interest and are compounded with this rate Savings are determined with the specific fuel costs To determine the operating costs the specific power costs are required Inflation rate With the rate of price increase for energy usage combustible fuel or electricity and the operating costs the savings and capital value are calculated 188 11 3 2 Investments Variant menu Calculations Financial analysis gt page nvestment The investment reduced by grants results in the remaining investment The residual investment is the capital which the client must raise Loans reduce the investment Investments Here you can enter absolute investment or specific investment in amp euro m2 collector surface Grants The subsidies can be entered as an absolute grant e g in Germany BAFA KfW a specific grant per m of collector surface or as a prorated grant for the total investment
193. ptions depend on the settings on the page Use In case of a mechanically vented building with intake the ventilation can receive air preheated by the air collectors This Preheating of the intake air has two results collectors will run so long as they can produce air that is warmer than 6g 7 e In preheating mode the air 65 T SOL Pro 5 5 Manual Legend the outside air temperature Normally in heating support mode the air collectors will only run if they can produce air that is warmer than the building temperature If the air collectors supply a greater volume of air than the mechanical ventilation is set to use then the excess air of the air collectors is bypassed and will not enter the building This means that if the mechanical ventilation is turned off no heated air from the collectors will be able to enter the building 1 Output of air collector circuit 2 Solar air heating to building 3 Outside air 4 Heat recovery in 5 Supply air 6 Air in by forced ventilation 7 Return air 8 Heat recovery out For buildings without mechanical ventilation set whether the entire building or partial areas are to be supplied with heating from the air collectors This section is only accessible if you have set no mechanical A 4 ventilation on the Use page Define the partial y esj areas across the supplied floors or compass P 4 66 direction e All floors or only first floor c
194. r crosswise to the tube Due to the multitude of different designs these dependencies cannot be specified by one input value The incident angle modifiers must be given lengthwise and crosswise to the tube at 5 intervals for all incident angles between o and 90 When crosswise these modifiers can have a value higher than 100 due to concentration on curved glass or as a result of mirror constructions 128 10 4 4 Shading Variant menus S ystem Definition Collector Array Parameters gt Shading Define the general parameters of shading 10 4 4 1 Shading parameters Variant menu S ystem Definition Collector Array Parameters Shading Parameters Shade Parameters Horizon List of objects Description Shade E Import E Copy Lower limiting angle 2 45 CR Paste Upper limiting angle 1 60 If the solar altitude is higher than the upper Select limiting angle the whole collector array is calculated as shaded If itis between the two limiting angles the irradiation is proportionally Save reduced oK Cancel Image Dialog for defining the shading of the collector array On the Parameters page enter a new reference for every new shade You can also select With Shade from Above if the collectors for example are mounted on a facade with roof overhangs or similar Upper limiting angle f the solar altitude is higher than the upper limiting angle the whole collector array is shade
195. r tank e DHW supply contains e External heat exchanger e 2x DHW standby tank e Auxiliary heating 110 9 4 2 C2 Large scale DHW system with standby tank Image C2 Large scale DHW system with standby tank Description of hydraulic configuration The collector array heats the buffer tank If the temperature level in the buffer tank is high enough to heat up the lower part of the dual coil DHW standby tank the discharge pump of the buffer tank primary loop and the loading pump of the DHW standby tank secondary loop are started up Consequently the solar energy from the buffer tank is delivered to the DHW standby tank via the external heat exchanger If the temperature in the upper part of the standby tank is not higher than its desired temperature the tank is heated to the desired temperature by the auxiliary heating The system consists of the following components e Collector loop connection contains o Collector array contains B Collector see chapter 10 1 1 B Shading o External heat exchanger e Buffer tank e DHW supply see chapter 10 12 3 contains o External heat exchanger o DHW standby tank see chapter 10 6 9 o Auxiliary heating 111 9 4 3 C3 Large scale DHW system with standby tank and heat exchanger ga b i 4 Ci Image C3 Large scale DHW system with standby tank and heat exchanger Description of hydraulic configuration The collector array heats the buffer tank I
196. ransfer between the DHW tank or the internal heat exchanger and the external buffer capacity can take place In the Collector Loop Connection section the position of the measurement sensors for switching on and off the collector loop and the maximum temperature limit of the tank are displayed The maximum temperature limit can be changed 10 7 4 3 4 Solar Fraction of Systems using Combination Tanks For combination tank systems the fraction domestic hot water and the heating fraction are determined in the dynamic simulation and displayed individually in the project report previously total solar fraction as the fraction e g for funding applications must be separately given In every time increment the T SOL simulation balances if the yields contribute to the fraction of domestic hot water and thermal heat supply the circulation losses and the tank losses or the heating of the storage tank content Thus the origin solar loop or supplementary heating of the heat is known meaning heat delivery can be distributed 152 10 7 4 4 Heating buffer tank Variant menu S ystem Definition Tank Control or system schematic Buffer tank F Parameters Heat exchanger Control Height Switch on off 20 Maximum 30 temperature limit Select Redirection valve OK Switch on vrs Image System A3 Cancel or A4 Input dialog for heating buffer tank Contro page The tank will discharge if the tank outlet temperature is hig
197. re nominal temperature and return temperature You can also provide a minimum outlet temperature at which the device starts up or to which the outlet temperature may drop below the desired temperature Annual process heating energy requirements are then determined via the qualitative consumption profiles Use Se ecfto choose a consumption profile Adjust the Parameters of the consumption profile to your needs Process heating with 100 solar fraction Process heat with 100 solar fraction il Parameters Operating times Parameters Image System A15 Process heating Return temperature 20 c without storage tank variant menu Volume fow rate 60 l min System definition Process Heating with 100 Solar Fraction gt Parameters PEP PE EI EER T EE E EL E a ee In addition to the device with preset energy consumption there is also the system type A15 without storage tank in which you can only enter the return temperature and a constant flow rate As soon as the outlet temperature rises above the return temperature energy is extracted This 57 T SOL Pro 5 5 Manual can be used to investigate how much energy the solar system could supply under these conditions See chapter 9 1 11 58 7 5 Building with Air Collectors Menu Site Data gt Building ee gas a E Image Building display in the system schematic The building model for air collector systems can not only highlight reactions betwe
198. re Detached house evening max Select Parameters Navigation Arrows Image Dialog window entry and control elements The dialog window for entering simulation parameters is activated either via the respective menu the keyboard combination C7RL underlined letter or by clicking the button in the toolbar The symbols of dialogs which can be accessed directly via buttons are reproduced in this handbook Dialog windows contain edit fields checkboxes radio buttons and list boxes Values in edit fields which can be changed are shown in black type Gray type means that only the current value can be shown However depending on other entries in checkboxes or via radio buttons it may become editable again Data from the components database cannot be altered if they represent real components from manufacturing companies Only data on virtual T SOL database components can be modified Click a checkbox to activate the property it represents If the box is empty the property is not activated Radio buttons always relate to at least two options Click to select an option Switch between dialog fields with the mouse or by pressing the 7AB button on your keyboard Pressing 7AB moves you to the next field SH F7 7AB to the previous one 34 Using the Program Clicking a button opens a new dialog Some options can be enlarged with the magnifier Browse the menus by using the arrows Close dialogs by clicking the button OK
199. re can be used as the heat transfer medium The resulting specific heat capacity is then displayed 119 T SOL Pro 5 5 Manual 10 2 1 Tank Connection External Heat Exchanger ws ystem Definition Collector Loop Tank Connection Collector loop connection Collector loop Tank connection Control Iv External heat exchanger Manufacturer Type Parameters Tj Secondary loop Vol flow rate 35 fh fm Fixed per collector area Maximum volume flow rate Image Dialog Connection Collector Loop Tank Connection for systems with external heat exchanger e g system A3 2 Absolute required temperature 0 Relative required temperature Tank temperature 5 In systems with an external heat exchanger the Co ector Loop Connection features the additional Tank Connection page on which the heat exchanger can be selected For the secondary loop you can enter the volumetric flow rate as an absolute value or per m2 of collector surface area The Speed Controlled Pump option in the secondary loop means that the volumetric flow rate of the pump is controlled in this way to reach the target temperature You can set a fixed target temperature or enter one relative to the tank temperature 10 2 2 DHW Tank Space heating buffer tank 5 ystem Definition Collector Loop DHW Tank Space heating buffer tank Collector loop connection Collector loop DHW tank Space heating buffer tank Swimming p
200. reate new project or new variant 2 r Set Site Data 3 fr Select sytem _ 4 gt x Define component parameters 5 Run simulation 6 Print project report or repeat steps1to5 yY 7 Compare variants T SOL Expert only gt Choosing a variant 35 5 File Menu Here you will find all the options required to handle your projects In T SOL systems to be calculated are managed as projects After starting T SOL you can choose to create a new project open the last project edited or select another project if it already exists 36 Create a New Project Menu File gt New Using the menu File New you can create a new project If a project is open and you have not yet saved your changes you will be prompted to save before the new project is created 37 Open Menu File gt Open In the F e gt Open menu you can open an existing project A default list of the stored projects appears in the Projects folder C Users lt User name gt Documents Valentin EnergieSoftware T SOL Pro 5 5 Projects T SOL projects can be saved with all variations in a file in any location A double click on the file starts T SOL with the selected project If a project is open and you have not yet saved your changes you will be prompted to save all modified variant before another project is opened Open last project Menu File gt In the File gt 1 2 3 menu you can conveniently cal
201. results can be analyzed in graph or table format With its comprehensive bases of calculation T SOL is a professional tool for planning a solar thermal system 1 2 New in T SOL e New project administration now only one file tsprj which also contains the related climate data This makes it easier to exchange projects between different computers e Import Meteonorm dat files you can create your own climate data hourly values for irradiation and temperature by entering monthly values e Roof layout with PhotoPlan e The design assistant now calculates reliable recommendations with the help of the minutes simulation e New You receive design recommendations and standard values for collector area storage tank volume and boiler capacity e The tank losses that would arise also without the use of a solar system are calculated on the basis of the storage geometry and the target values During calculation of the energy supplied by the solar loop additional tank losses are set off which are primarily those created in summer i e generated through operational availability and the solar buffer The solar fraction contribution calculated in this way is lower but better comparable with the fraction of solar systems in which tank losses can be definitely assigned to the solar T SOL Pro 5 5 Manual system and have also already been deducted from the solar yield Solar loop yields that are only used to generate tank loss
202. rge tanks a pre run of 1 year should be set 183 T SOL Pro5 5 Manual 184 The simulation results during the pre run time are not included in the results file Start the simulation by clicking OX If you start the simulation via the currently preset values button it will be immediately calculated with the Click on the Visualization m symbol to observe the temperature profiles in the system Image Visualization at display of component temperatures during the simulation Example DHW system 2 tanks with Stratification and heating buffer tank oo ine INN LLLI INN Image Visualization display of component temperatures during the simulation Example solar air heating and DHW tem Variant Variante1 Climate file LEWISTOWN MUNICIPAL ARPT wbv Lo lea Image Visualization EF cA Visualize ery 1 6 min H I Single step sas setti n g th e simu lati on l interval during the simulation The size of the simulation interval varies between one and six minutes depending on the inertia of the system resulting from the capacity and energy supply Set your desired simulation interval and if you wish switch to a view in single steps The respective time is displayed in the footer bar of the window Click on the symbol pa again to return to the quick mode Simulation 4 Atthe end of the simulation a selection dialog for project reports graphical evaluation a
203. rio and the level of the required temperature a distinction is made between e absorber systems and e collector systems Absorber systems are not insulated or covered The heat transfer medium flows directly through them These are structually simple affordable systems suitable for operating temperatures below 40 C Their primary areas of application are heating swimming pool water and preheating service water Absorber mats usually made from plastic can be placed on flat or slightly inclined roofs also retrospectively with little construction work Collector systems with flat plate collectors contain an absorber typically in metal in a sealed housing fitted with a transparent cover and heat insulation on the rear side The transparent covering reduces irradiation from the absorber to the environment while the thermal insulation reduces heat losses on the rear side enabling temperatures of over 150 C to be reached Primary areas of use are in water heating and space heating Flat plate collectors are available in various sizes from 1 to 10 m2 Special designs e g triangular are also possible They are integrated within the roof cladding in prefabricated modules or attached to the roof cladding and interconnected Evacuated tube collectors contain a metal absorber sealed in evacuated glass tubes The vacuum ensures that heat losses are kept to a minimum enabling temperatures of over 200 C to be reached Areas of use are heating
204. roups for easier sorting e Unit this is the unit in which fuel amounts are usually stated e Heating Value Hu this expresses the energy content The lower heating value is stated on the assumption that the water of consumption is present in vaporous form e CO2 emissions this value states the specific CO2 emissions on fuel combustion The fuels can be directly compared here as the emissions are related to the energy content and not the mass e Price the prices are subject to heavy fluctuation and are not suitable for precise calculations You can also add your own fuels by clicking on the Vew button and even delete and edit created fuels The primary energy database can be accessed by all users of a PC It is saved in the following directory C Documents and Settings All Users Application Data Valentin EnergieSoftware 78 9 System Selection Variant Menu System Selection Be Select new sytem Uy Show system icons E Favorites ft M Show all Buller tank saten heating buffer tank wth fai i Buttes tark system with fresh water station F Domestic hot eater M Processheatng 7 Ar collectors Combination tark CHW system baller linkin Combnnaton tank DHW gysten retum teng inc fF Space heating FF Swng pool Buffer tank svete Combnaton tank CH system return tema inc CY CEAN system Desorption Type Hanu DHW Heating Sw Buffer tank cysten with fresh water stabon and rimm
205. s during operating times on account of the ant Legionnaire s switch If you select the Ant Legionnaire s Switch checkbox the Anti Legionnaire s Switch tab is activated 166 10 11 2 Dual Coil DHW Supply with Solar Preheating of Fresh Water Variant menu System Definition gt DHW Supply or system schematic Dual coil water heating with solar pre heating of fresh water Components Control Anti Legionnaire s Anti Legionnaire s switch Primary loop C Fixed Specific from mean DHW consumption Vol flow rate 125 Ih 150 From 83 3 l h V Mixing valve Maximum outlet temerature 65 C ie Image 10 11 2 g Dialog for i NNSNNNNNNNNNNENENNNNNNNNENNNENENENENENENENNENENANENANENENENENENENENENENENENN d u a l c oi l in System C3 DHW supply Primary loop pump switches on if the fresh fr fresh j water volume flow rate is greater than samara 6 7l fh g with solar preheatin Primary loop pump switches off if the from average fresh water fresh water volume flow rate is less d vol flow rate 5 81h g of fresh than a water The dialogs on the External Heat Exchanger Auxiliary Heating and DHW Standby Tanks can be accessed via the Components page On the Controlpage the volume flow rateof the primary and secondary loop pump is either specified as relative to mean DHW consumption or entered as an absolute value in liters per hour The temperature in the heat exchanger can be limited to a maximum temperature via
206. se the solar heat gains dependent on the window area type of window and inclination and the internal heat gains e g produced by electrical appliances Heat load Out W kW Heat loss rate W K Product of heat transfer coefficient and the surface of the heat exchanger The value is equal to the quotient from transferred power and median logarithmic temperature difference at the heat exchanger Heat losses Thermal losses occur through piping radiation and convection of heat in a collector With selective absorber coatings good thermal insulation or a vacuum thermal losses can potentially be kept as low possible Heat requirement Qn kWh The heating capacity required to maintain a target room temperature in a building net energy Heat requirement HR see Standard building heat flow requirement Heat transfer coefficient U W m2K The heat transfer coefficient of a component describes the heat flow heat lost ona temperature difference of one Kelvin per square meter of the component This is the crucial heat insulation property of outdoor components The smaller the heat transfer coefficient the better its insulation efficiency 230 Glossary Heat transfer coefficient heat loss coefficient of the collector k W m2K k2 W m K2 States how much heat the collector releases to its environment per square meter of active solar surface and temperature difference in Kelvin between the collector median temperature and
207. service water space heating and generating process heat as well as solar cooling of buildings 3 1 3 Task of the Storage Tank As in all hot water systems the storage tank s task is to balance peak demand and charging power in supplying hot water and in solar systems additionally compensates for time differences between solar energy supply and hot water requirements It typically features a heat exchanger at the bottom in which the transfer medium from the collector usually a water antifreeze mixture transfers the solar energy from the collector to the storage tank s content Where required the upper part of the storage tank is additionally heated by a conventional heating system so that the hot water taken from the upper part is always at the required target temperature irrespective of available solar energy Larger solar systems use Several storage tanks connected in series of which the last one is used for reheating 3 1 4 Howthe Controller Works Solar systems principally use a so called differential temperature controller This control principle compares the temperatures at the absorber and in the storage tank If the absorber temperature is a preset level above that of the storage tank the circulation pump in the collector loop is switched on The irradiation energy converted to heat in the absorber system is transported to the storage tank whose temperature increases When the temperature of the storage tank is equal to that of the
208. sible to define and simulate two collector loops independently of one another there Variant 2 Site data Components Control Savings Parameters Image Syst em Definition gt Variants gt Components with option 7wo Collector loops Parameters E Howto proceed 1 Select a suitable system A1 A2 or As 2 Goto System Definition gt Variant X gt Components 3 Activate the 7wo Collector Loops option in the So ar Loop section 4 The Collector Loop and Collector Array dialogs are separately displayed for the collector loop 1 CL1 and collector loop 2 CL2 Enter the parameters 118 10 2 Collector Loop Variant menu S ystem Definition Collector Loop Collector Loop or system schematic in Collector loop CL 1 Collector loop Control Description Collector loop Collector array Parameters Volume flow rate Fixed Medium Water glycol 40 Glycol Resulting specific heat capacity 3588 Image Dialog for connecting the collector loop The Collector Array is defined via the Parameters button on the Collector Loop page The volumetric flow rate states how many liters of heat transfer medium are to flow through the collector in total per hour or per square meter This volumetric flow rate crucially defines which temperature is transported in the flow of the collector loop The calculation of the collector array pipe diameter is also dependent on this entry Water or a water glycol mixtu
209. sign assistant Start simulation Start financial analysis Create graph Energy balance only T SOL Expert Create project presentation Create project documentation ts Parameter variation only T SOL Expert See also e Detailed technical information on system selection can be found in chapter 9 System Selection Variant Menu and on system definition in chapter 10 Variant Menu System Definition e Detailed instructions on calculations and simulation results can be found in chapters 11 Variant Menu Calculations and 12 Variant Menu Results 31 T SOL Pro5 5 Manual 4 3 System layou Heating loop Image System layout component selection boundaries Each selected variant is represented by a system layout When you move the cursor over the system layout the information bar at the bottom of the variant window displays the component name Click on a component and a dotted frame will appear around it Copy Pas Select Copy Paste Characteristics b Characteristics h Image System layout context menu Image Context menu for a component Selecting Properties from the context menu right mouse key or double clicking on the component takes you to the system definition either directly to the set paramaters dialog for the component or the definition of the variant depending on the position of the cursor Clicking Selectin the context menu opens a list box for this component
210. sses on the Piping page see chapter Piping Save all entries by clicking OX or go to the next dialog using the arrow button 125 10 4 Collector Variant menu S ystem Definition Collector Array gt Collector Select or system schematic In order to specify the collector array you must first se ecta collector 10 4 1 Collector Parameters Variant menu S ystem Definition gt Collector Array Collector Parameters a Flat plate collector Parameters Losses Manufacturer Standard Type Standard flat plate collector Description Flat plate collector Gross surface area 1 m Active solar surface 1 m2 Aperture area v Select Gross surface area Absorber area Ws m Aperture area X Specific heat capacity 6000 OK Cancel Image Entering the collector areas and specific heat capacity The gross surface area is calculated from the external dimensions of the collector however the specific collector characteristic values typically do not relate to the gross surface area but an active solar surface taken from the reports by testing institutes Depending on the test institute the active solar surface in flat plate collectors is the absorber area or the aperture area In evacuated tube collectors e g with mirror constructions with vertical absorber the active solar surface is frequently unrelated to real world practise and is a purely theoretical value 10 4 2
211. system Saves c 400 liters of heating oil annually The second page shows the key system data while the third presents two graphs evaluating the system the first shows a profile of the solar fraction over the year in weekly steps while the second charts the maximum collector temperatures for every day of the year In order to answer the question of the daily temperatures in the tank you must call up the graphics tool This can be done by clicking Results Graphics or the symbol E f Ergebnisse anzeigen Le i Sd Auswahl der verfugbaren Lrgebresse Uber Projektbaum Aufistung aller verfugbaren Lrgebnisse Ergebnisse ver fuaghare Ergetrenee Grafik Legernie Erher Aucwahd Variante Gevepeet C Anderung des Energeinhaltes E 5P Inhalt Wh E T W auBen Kama Warmwasserverbraucher Binifam ennaus Abendsptre I Solarkreis Kolickterkreis KK 1 Kollektorfeld KK 1 Flachkolick tor 7 Our ehserrtstemper ats T 5P mittel ac i 4 TSP mitte v lat AT Sot OH Cj Pulte Kolektorkreabechalttenperatize Tol Ab as C Fuhr Kolektorkr isdeznugstemperatur T Kol Gin Aus T C Publier Nachheizung Aus TAH Aus T Verschattung V Softemperatur Nachheizung T Soll NE fevalenter Trimkvestserspencher C Speichervertuste Ww SP Wh Oty ennrwerthesse C Verbrauch Erdgas H Verbr Edos H Image Selection dialog for graphic presentation of results Abbrechen Auswahl rur cksetren OK Yo
212. t Hot Water Tank Control set target tank temperature as relative to DHW target temperature in Collector loop connection Maximum temperature limit set the value to 20 C Entering a consumption of o liters is not permitted and would in any case not prevent loading by the collector array and the boiler 54 7 3 Space Heating Requirement Menu Site Data Space Heating P Space heating Heat requirement Heat gains Heating operation Input method for heat requirement monthly inul C Heatload Heating output MWh Heating output yearly total Jan Lo Teb 1 2 Heated useable area Room temperature Standard outside temperature 27 8 Heating temperature limit Building with average wall thickness OK Specific heat load Specific annual energy supply Cancel e gt Image Dialog Site Data pace Heating Requirement Image Dialog Site Data Space Heating Requirement Heating Output Monthly Values The current space heating requirement is calculated from the design data the respective outside temperature and irradiation Heat requirement Menu Site Data gt Space Heating Heat Requirement On the Heat Reguirement page enter the heat requirement either as heat load or as annual or monthly heating output Define the heated useable area as well as the room and standard outside temperature and the heating temperature limit Enter the type of building
213. te http www valentin de en sales service customer service release notes 1 3 System Features Overview Simulation of solar thermal systems for DHW supply and space heating over any period of time up to one year Design optimization of collector area and storage tank volume to reach specific targets Influence of partial shading by the horizon and other objects buildings trees etc Graphic and tabular entry of shade values Extensive component database Roof coverage with Photo Plan Domestic hot water consumption profiles included in calculations Both radiator and underfloor heating possible Convenient comparison of several systems with parallel variant editing within a project Balancing of energy pollutant emissions and costs Program Information e Calculation of standard evaluation parameters for solar thermal systems such as system efficiency solar fraction etc e Detailed presentation of results in reports and visuals e Financial Analysis of a system following simulation over a one year period e The program user interface so called GUI a context sensitive program online help press F1 and the handbook are available in five languages German English French Spanish Italian System Configuration You can select from common system configurations Swimming pool module Outdoor and indoor pools can be integrated within the solar cycle Large scale systems module Large scale systems are integrated System
214. tested volume flow rate In order to be able to simulate with other volume flow rates you can adjust these correction parameters here Air collectors usually show lower levels of efficiency with lower volume flow rates The efficiency n at minimum volume flow is multiplied by the correction factor at minimum flow rate following correction with the above formula The correction factor is between o and 2 The incident angle modifiers are used in the same way as those of water brine collectors See chapter Collector Optical Losses Values which are grayed out come from the collector database When you select a new collector your values entered here are overwritten 143 10 7 Tanks Variant menu System Definition Tank or system schematic Different types of tanks are loaded depending on the system The values which must be entered and therefore the pages in the input dialog vary depending on the tank You can use either the company products from the database or standard values to make calculations Dynamic Simulation of Tank Losses The tank losses that would arise also without the use of a solar system are calculated on the basis of the storage geometry and the target values During calculation of the energy supplied by the solar loop additional tank losses are set off which are primarily those created in summer i e generated through operational availability and the solar buffer The solar fraction contribution
215. the mixing valvefield Whether the pump n the primary loopis started up or stopped is controlled by the draw off flow rate for DHW consumption For example you have defined 100 liters per day as hot water requirement in the DHW consumption section In this case the pump in the primary loop is activated on a draw off flow rate of 10 liters per hour Analogously the pump is deactivated on a draw off flow rate of less than 9 liters per hour If you select the Anti Legionnaire s Switch checkbox the Anti Legionnaire s page appears 167 10 11 3 Dual Coil DHW Supply with a DHW Tank Variant menu System Definition gt DHW Supply or system schematic Dual coil water heating with a DHW tank I Nececeseccecccensrnseeeceecsssecessseesecsscsscssessecseces Primary loop C Fixed Specific from mean DHW consumption Vol flow rate 125 Ih 150 From 83 3 l h Image V Mixing valve Maximum outlet temerature 65 C 10 11 3 in installation C2 Dialog for dual coil DHW Secondary loop C Fixed Specific from mean DHW consumption Ok supply Vol flow rate 125 Ih 150 From 83 3 l h aE witha DHW tank This component is only used in large scale systems The dialogs on the External Heat Exchanger Auxiliary Heating and DHW Standby Tanks can be accessed via the Components page On the Controlpage the volume flow rateof the primary and secondary loop pump is either specified as relative to mean DHW consumption or
216. tic Different types of tanks are loaded depending on the system 10 7 4 1 Single coil DHW tank Variant menu System Definition Tank Controlor system schematic Solar preheating tank 5 Parameters Heatexchanger Control Collector loop connection Height Switching temperatures Switch on off 13 Maximum 90 TE nell Load standard Image Single coil DHW tank used as standby tank Control page This tank type is used as a Solar and standby tank in the two tank system A2 If itis used as a solar tank the maximum temperature limit can be changed on the Control page The positions of the measurement sensors for switching on and off and for limiting the maximum temperature are displayed For standby tanks the desired tank temperature with respect to the DHW target temperature see DHW Consumption and the switching temperatures for the auxiliary heating are displayed and can be changed If the checkbox next to I With Restricted Load Times is activated the switching times can be defined using the clock green area tank can be loaded gray area tank is not loaded irrespective of its operating state Under Height the position of the temperature sensor in the tank for regulating the boiler is displayed The switching temperatures are entered in relation to the desired tank temperature 147 T SOL Pro 5 5 Manual DHW standby tank Parameters Heatexchanger Electric element Control jw Electric water h
217. ting Efficiency and the Solar Fraction The collector loop efficiency is defined as follows Energy output from the collector loop via the heat exchanger Collector Loop Efficiency ___ I SS Energy irradiated onto the collector area active solar surface The system efficiency is defined as follows Energy output fromthesolar system System et fied ene y tA 14 e Energyirradiationontothecollector area activesolar surface The energy output by the solar system consists of the energy transferred from the solar storage tank as a result of consumption and where applicable a recirculation system controlled in the solar storage tank to the standby tank As there is no difference between the solar and standby tanks in some systems single storage tank model e g bivalent storage tank or reheated buffer tank the system efficiency of these cannot be calculated The storage losses are therefore at the expense of reheating The solar fraction is defined as follows Energy suppliedtothestandby tank fromthesolar system S bag reat by tt A A ______ Total energy supplied tothestandby tank Solar system auxiliary heating 23 T SOL Pro 5 5 Manual The following applies to a solar system with bivalent storage tank internal heat exchanger for water heating and auxiliary heating T T Osu L PITI MUUTIN rrrEre 1 a al l Ocu p E JcL oHW O5 HL Solar Fraction total ee CL DHW
218. ting material Thermal engineering Thermal engineering describes all aspects of energy conversion storage and transfer in machines and apparatus with the exception of electrical energy Thermal equivalent Conversion process making energy sources comparable by their heat content heating value 236 Glossary Thermosyphon system Operation in a closed circuit according to the gravity filtration principle without the use of pumps or controls Tilt angle B inclination Describes the angle between the horizontal and the collector surface This is 0 when the collectors are flat on the ground and 90 when they are vertical VDE Association for Electrical Electronic amp Information Technologies Volumetric flow rate Vp Flow l h l m2h The movement of a volume of a medium in a unit of time through the cross section of a tube The volumetric flow rate for the collector array is stated in l h and can be specified either absolutely or relative to the collector area Zero loss collector efficiency no States the proportion of radiated energy absorbed by the collector on vertical incidence when the median temperature of the heat transfer medium in the collector is equal to the ambient air temperature 237 17 3 Proportionate energy savings In systems for hot drinking water supply with and without backup heating the proportionate energy savings as per DIN CEN TS 12977 2 are output in the project report Proportionate energy s
219. ting type Parameters is displayed again OR If you don t know the specific auxiliary heat you can load the standard auxiliary heat for the simulation Click on Load standard The standard rated output is always the same for any given type of system OR Configuration of the output Click on Des gn This enters correct output for the system and consumption You can accept this output You can modify a range of parameters for the supplied auxiliary heating system These changes are only applied to the current variant Set the Operating Times of the boiler Click on the month fields to set operation for entire months green area boiler in operation An annual view can be accessed by clicking on the magnifier GS in which you can switch individual days on and off Save all entries by clicking OKor go to the next parameter dialog using the arrow button 9 161 T SOL Pro 5 5 Manual gt See also Components Efficiency Variant menu S ystem Definition e g System Definition Gas Boiler gt Efficiency c 30 60 Image Definition of Return temperature Cc efficiency curve in relation to the return temperature On the Efficiency page you can set the Heating Efficiency for heating using two variables depending on the return temperature The efficiency calculation will use either the lower heating value Hu LHV or the higher heating value Ho HHV The other value is displayed only Define on the
220. to which the savings are paid and interest is added reinvestment premise After the end of the term a balance results from which a yield can be determined the so called modified internal interest rate MIRR that a bank would have to offer if the client had not invested in a solar system but instead had deposited the total amount in the bank Investors e Investors work mostly with very little of their own capital and a high percentage of borrowed capital e The purchase of the solar system is compared with other investments Here known variables from finance mathematics are included e g capital value internal interest rate IRR e Purchases that are uninteresting for investors because there are more profitable investments can still pay off for owners gt Requirement The results of a one year simulation are required for the financial analysis gt How to proceed 1 Goto Calculations financial analysis The financial analysis dialog then opens It contains several pages Parameters Investments Renumeration Operating costs Savings Financing and Results 186 Financial analysis 2 The preset parameters are partially assumed from the dialog options gt presets gt financial analysis and can be changed for the special system 187 11 3 1 Parameters Variant menu Calculations Financial analysis page Parameters All entries listed here can be pre defined in the Options These are then used for new
221. tor loop switch on off 30 Heat exchanger for collector loop Return 1 Losses 0 25 Supply 25 Losses 9 25 kA fixed kA 3000 C kA per tank volume Image Loadinga solar buffer tank The controller and connection of the collector loop to the buffer tank is described on the 7ank Loading page Sensor mounting heights Enter the sensor mounting heights for the various tank sensors used to control the collector loop pumps Enter the maximum tank temperature If the tank is hotter than this temperature the collector loop pumps are deactivated Heat exchanger connection to the collector loop Define the pipe connection heights and thermal loss of the tank connections for the loading circuit flow and return If the tank has a heating lance its height is defined here For the kA value see the glossary 156 Solar buffer tank Heat dissipation page Buffer tank P Parameters Tank loading Auxiliary heating Hzg Entladung DHW discharge Buffer tank discharge i One way supply return f Stratified return with redirection valve Buffer tank bypass With buffer tank bypass e iht j n Sensor height 30 o Load standard Buffer tank bypass delta T 5 K Bleed off connections Mean supply 60 EA Image Heat dissipation of a buffer tank p in Select system B18 rT E tem mre te ole eee r E Tr Y y PAE Er mm telnet Ta TE EO F TAT my me a a e e 5 mney TE ee a T e e a O aT S e Lower tank return
222. ture Aa m2 Largest projected area through which unconcentrated solar irradiation enters the collector In flat plate collectors the area of the collector covering through which solar irradiation can penetrate the inside of the collector housing light penetration area In evacuated tube collectors the aperture is the product of the length and width of the absorber strip and the number of tubes If evacuated tube collectors are fitted with a reflector CPC the aperture is equal to the product of the length and width of the mirror surface Auxiliary heating AuxH Ensures that the target temperature is reached even when there is insufficient irradiation Where applicable it also supplies the heating loop Usually refers to the boiler A V ratio The A V ration is the quotient of area to volume and is displayed in the unit 1 m Balance B e se gt Energy balance Balancing Energy balance Base load W kW Minimum load output an energy supply system must make available constantly during a period of use 225 T SOL Pro 5 5 Manual Boiler Boil Serves to convert chemical energy into heat Boiler efficiency n The boiler efficiency describes the relationship between the energy used by the boiler and the energy produced over a specific period of time Buffer tank Buff A storage tank filled with domestic hot water usually in steel The heat is transferred either internally via a serpentine pipe or outside the
223. u in the System Definition variant menu these changes only apply to this variant 3 The Parameters buttons take you to the respective parameter setting dialogs 4 Click on the Se ecfbutton to add database components Data from the components database cannot be altered if they represent real components from manufacturing companies Only data on virtual T SOL database components can be modified 115 T SOL Pro 5 5 Manual Use the arrow buttons at the bottom right of the dialog window to toggle between the dialogs of the individual components This saves entries made just as clicking OK Click on OX to end entry and accept all changes If you click the Cancel button all changes in this dialog are reset Start the simulation Then you can do a financial analysis In addition it can present a summary of the simulation results in project reports or in graphic tabular form T SOL Expert features an extra page in each case allowing values to be entered in addition to the standard values which are then applied to the results file 116 10 1 Definition of the Variant and its Components Variant menu S ystem Definition gt Variant You can access the System Definition Variant page via Ml e the i button or e by double clicking the system schematic where there are no components You can only change the variant name on the Variant gt Site Datapage You can also define the Climate Hot W
224. u System Definition Solar Loop with Air Collectors Prerequisites System with air collector Select New System W Air collectors Solar loop with air collectors Parameters Installation Fan Control Ductwork Collectors per array 20 Gross surface area Active solar surface 744 mi Manufacturer Grammer Solar Select fh Type Top Solar ry Description Solar air collector Parameters OK Image 10 6 1 Dialog Cancel System Definition Solar Parameters Loop with Air Collectors gt gt Parameters Select The values of the solar air collector array are recorded over several pages Wherever the data collection is the same as for other collectors please read the corresponding chapter Shading Installation E Howto define a solar loop with air collectors 10 5 1 Parameters 1 Gotothe System Definition gt Solar Loop with Air Collectors dialog This opens the Parameters page which can also be accessed by double clicking the air collector in the system schematic The definition dialog is opened 2 Click on the Selection button and choose an air collector from the table Confirm by clicking OX The collector is now shown in the Co ectors section E See chapter Air Collectors 3 Set the Number of Air Collectors per Row o 20 normally 1 6 and the Number of Rows 1 50 normally 1 3 The gross surface area and the active solar surface are calculated and displayed 4 Choose from fresh air and circulated air
225. u will first be given a selection of available results which you can view for each component from the project tree in the left hand column Select the value Sensor Auxiliary Heating On from 174 System definition example the Ava lable Results for the dual coil DHW standby tank which provides insights into the temperature in the upper part of the tank By clicking on OK you are initially given a temperature profile showing the average monthly temperatures You can access the daily temperatures by clicking on the X axis or clicking Axes X Ax s in the graphics menu Scale of X axis Display interval 1 Year Column width 1 Month Display from 1 1 Image Scaling the X axis to show OK Cancel daily temperatures You can now Select the display interval and resolution Enter the month and resolution days with a starting value of 6 1 The daily tank temperature from 6 1 will be shown You can change the display interval with the blue arrow button and jump to the next month Diagramm zu Variante Beispiel o a a Bearbeiten Kurven Achsen Anzeigen Optionen 8 D A B Aria v K gt N a Variante Beispiel N QG A Pict hl Fg Di Di Di Di Di Zeitraum 1 6 30 6 T WauBen 158 C T NHEin 54 C Image Graphic representation 24 6 18 14 95 C of daily temperatures The question regarding the number of days on which the tank does not reach 35 degrees can now be answered with the help of the graph Converting
226. ulations gt EnEV Parameters Move to the next dialog Parameters or directly to the simulation The overview lists the Parameters of the solar system for the standard calculation as per DIN V 18599 for your information From this it can be seen whether the calculation in accordance with DIN V 18599 is made with DHW or a combination system The table below shows the parameters which can be taken as a Standard Value aus der DIN from DIN V 18599 or as a Planning Value from the underlying system Simulation Variant Menu Calculations EnEV Simulation Click on the symbol to calculate the solar yield and simulate it 199 T SOL Pro 5 5 Manual r EnEV 1 x rm sarm AEE Solar yield according to standard calculation and simulation Standard Standard Simulation Standard value Planning value Jan 23 33 39 gue Feb 28 39 84 man Mar 60 83 115 p sank Apr 119 166 159 140 aaah May 106 149 184 120 vo Jun 116 162 176 100 80 Jul 123 172 187 8 ii Aug 102 143 193 E Sep 93 129 137 m ji il Oct 61 85 110 d a WUU US Ui j OGA ERU RRE al i kii Image EnEV 123 45 67 8 9 0 it 122 ie 10 29 Month i EE Norm Standardwerte W Norm Planungswerte Entire floor 865 1 209 1 464 graphic and tabular E Simulati sia Solar pump 43 60 60 presentation of All values in kilowatt hours kWh solar yield bi ee we Fe ee ee OO Oe I ee eee YU te 12 Following this the key results are
227. upply systems and combination system You are provided with a solar yield comparison calculated from a standard method of calculation as per DIN V 18599 with standard parameters a standard method of calculation as per DIN V 18599 with planning values of the selected system and an annual simulation in T SOL The resulting solar yield which is calculated can then be used in EnEV verification software How to proceed 1 Go to the Calculations gt EnEV variant menu amp Then consecutively click on the symbols in the symbol bar and provide required information in the input dialogs w Pe x mey 0 i TT ph A 1 j i A n a nmin aaiim SS ee _ rina ill See Se a R Building parameters Variant Menu Calculations EnEV Building Parameters Enter the Building Type as this is decisive for the hot water requirement DIN V 18599 10 table 3 Enter the Geometry of the building the Heated Living Space the Number of Storeys and the Storey Height If the Storey Height is greater than 4 meters a warning is shown because the calculation of transfer and distribution losses in heating systems is only valid for rooms of up to 4 m height This is due to the restriction to residential buildings Enter the Characteristic Length and the Width in accordance with DIN V 18599 5 appendix B The pipe lengths required for calculating the transfer and distribution losses are calculated from this information
228. water 4 Qtank conv energy requirement for the tank 0 16 Vtank volume AT operating hours The temperature difference AT is calculated by the difference between the tank temperature and the ambient temperature of the tank It is typically 30 K 238 17 4 ITW System Layouts 17 4 1 ITW System Layout Broetje Manufacturer Broetje GmbH Test report no o4STO98 und o3CTRo8 This solar system with combination storage tank for hot water and space heating is labelled an ITW system layout This means that this combination storage tank and where available its controller have been measured and tested by the Institute for Thermodynamics and Heat Engineering ITW at the University of Stuttgart In the T SOL mathematical model the system parameters have been adjusted by parameter identifications such that the simulation results agree with the measurements The adjusted parameters in this system are therefore fixed and not changeable In this system this concerns the entire storage tank the control parameters of the collector array and the performance controller of the collector loop pump As a result of testing by the ITW and the subsequent validation procedure for the simulation this system holds the status of a tested company system Find more information on the selection of systems under System Selection 239 17 4 2 ITW System Layout Buderus Manufacturer BBT Thermotechnik Buderus Test report no o4STO96 und o4CT
229. witch off delta T 0 Reversing valve sensor g height Image DHW discharge of a solar buffer tank Define the controller and the physical connection of the DHW stations to the the buffer tank Enter the pipe connection heights from the flow and return and their loss In addition the return can be layered over two different heights in the tank The corresponding valve switch Here a tank bypass can also be defined complete with a corresponding control sensor With this switch warming a cold tank with the return and thereby increasing the system loss can be avoided Solar buffer tank The solar buffer tank is then loaded by the solar system If the temperature in the storage tank in high enough the heating return is raised by discharging the tank The return from the DHW station is layered over a 3 way reversing valve and dependent on the storage temperature in the solar buffer tank If the return increase temperature is too high to discharge the buffer tank the solar buffer tank is circumvented with a bypass switch and the return from the DHW station is sent directly to the boiler buffer tank gt See also C6 Large scale system for DHW with solar and boiler buffer tank as well as heating controller 158 10 7 4 8 Boiler buffer tank P Variant menu S ystem definition Storage tank or system layout Boiler buffer tank P ss Parameters Auxiliary heating DHW discharge Auxiliary heating piping connect
230. xiliary heating and external heat exchanger They differ from one another with regard to space heating On the y System Definition System name tab Control the setting l DHW circuit has priority over the auxiliary heating can be made This causes the DHW standby tank to be supplied first in the event of insufficient boiler power The system consists of the following components e Collector loop connection contains o Collector array contains 6 Collector B Shading e where required heating loop e Buffer tanks e Auxiliary heating e DHW supply contains o External heat exchanger o DHW standby tank 88 9 1 7 A7 Thermosyphon Systems Imageo A7 Thermosyphon system with continuous Image1 A7 1 Thermosyphon system without flow heater stand alone continuous flow heater Thermosyphon systems operate on the difference in density between hot and cold water They therefore require no circulation pumps and additional control loops Two systems differentiated by an optional continuous flow heater for auxiliary heating are available for calculation purposes Under System Definition you can enter the type of collector the continuous flow heater fuel and power and DHW consumption In contrast to other systems the parameters for the tank are predefined Circulation is not possible 89 9 1 8 A8 Space Heating Image2 A8 Space heating only system This system serves exclusively for space heating The aux
231. ymbol of Selection Boxes Time Thermal energy Electrical energy Thermal power Electrical power Reference energy Length Area Volume Unit Selection s min h d a J kJ MJ Wh kWh MWh Btu kBtu MBtu J kJ MJ Wh kWh MWh Btu kBtu MBtu W kW MW Btu hr kBtu hr MBtu hr GBtu h W kW MW Btu hr kBtu hr MBtu hr GBtu h J kWh MWh kBtu MBtu mm m km inch ft yd m2 mm2 km2 in2 sq ft l m3 cu ft gal 217 T SOL Pro 5 5 Manual Temperature Temperature Cop Temperature difference K deg F Other values Volume flow L h l min l s gpm Speed m s ft s Weight kg lbs Inverse units 1 Ref energy kWh kBtu 1 Area m2 sq ft 1 Volume fluid l gal 1 Volume solid kg lbs 13 5 Software Updates via Internet Menu Options gt Check for Updates On the nternet updates page you can set the times at which T SOL should check whether a new update is available on the server Default settings Finandal analysis Projectreport Climate data record Design assistant Units Internet update Localization Image Internet service window W Automatically 1x per day on starting T SOL Check now Internet eee eee ee ee ee eee ee ee ee ee ee ee eee ee update preferenc es Prerequisites 1 Formal prerequisite Software maintenance agreement refer to in the EU and others http www valentin de en sales service customer service software maintenance agreement in the U S http valentin
232. ystems and heat exchangers to a storage tank In systems for hot water supply the storage tank compensates for fluctations in energy supplies and requirements at varying times of the day In large solar systems which also greatly contribute to heating energy supplies an underground seasonal storage tank is usually constructed in a local heating system to compensate for seasonal variations in irradiation and energy demand These seasonal supply systems are currently at the trial stage and will not be considered further here Where the solar energy is insufficient an auxiliary heating system supplies the outstanding amount of energy to cover requirements A controller monitors the operational state of the solar system and ensures the most efficient use of the energy irradiated If there is a temperature difference between the storage tank and the collector it switches on the circulation pump in the collector loop ensuring heat transport to the storage tank 3 1 2 How the Absorber and Collector Work Black surfaces are particularly good at absorbing shortwave radiation of light and then converting it into heat This physical property is used in the so called absorbers These are made from plastic or metal in the form of panels mats or pipes with a black surface which depending on the quality of the absorber is voltaic or otherwise finished Abosrbers are the active part of a solar system 18 T SOL basics of calculation Depending on the scena

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