SANKOM Sp. z o.o. Introduction

1. SANKOMSp. z o.o. Introduction • SAMKOM is a Polish company developing HVAC CAD software. • We have been on the software market for 14 years. • We have an office in Warsaw. • We employ 6 people and outsource to two additional people.

2. The Team of Software Developers • The main part of our team are: • Piotr Wereszczyński MSc Eng. - former employee of theWarsaw University of Technology - one of the most renowned universities in Poland. • MichałStrzeszewski PhD Eng. - staff member of theWarsaw University of Technology. • PiotrNarowski PhD Eng. - staff member ofthe Warsaw University of Technology. • Three additional programmers with good knowledge of HVAC technology. • One person responsible for program data bases. • Specialisation: heating systems, district heating, ventilation and water supply. • About 25 years of software developing experience. • Permanent cooperation with National Energy Conservation Agency, organisation promotingmodern solutions in energy auditing and energy management.

3. The Team of Software Developers • Extensive training experience in Polish and English. About 8000 engineers have taken part in trainings on software applications so far. • Over 200 publications on civil and environmental engineering, as well as software related subjects. • Working knowledge of English, German and Russian.

4. Created Software • CAD programs for designingheating (Audytor OZC and Audytor C.O.) and interior water supply systems (Audytor H2O). • HVAC Engineer's Calculator (KalkulatorAudytoraEnergetycznego). • A program for air conditioning process design (Wykres I-X Mollieradlawilgotnegopowietrza) • Air conditioning visualisation module in theAC system of The Polish Security Printing Works. • A program for buildingdynamic energy analysis.

5. Advantages of SANKOM's Software • More than 14 years of experience on the Polish market and more than 10 years in the countries of the former Soviet Union. • Programs Audytor OZC and Audytor C.O., as well as programs based on them, are the most known and the most often used in Poland and in the countries of the former Soviet Union. These programs are recognised as ‘the industrial standard’. • Very clear and extensive documentation including description of individual functions, examples and contextual help system. • Very good, full translation of the programs and the documentation in Russian. Representation in Moscow and Kiev (Kan company) with technical support. Technical data (radiators, valves) specific for Russian market. • Simple and intuitional operation. User-friendly interface.

6. Advantages of SANKOM's Software • Elegant graphics. Multi window environment (two views of the system drawingavailable). • Full DXF and DWG supportincludingimporting and exportingwiththelayerslayout. • Fast data entering process. • Fast calculation process. • Extensive error diagnostics. Complexerror and warning messages system. Fast error identification. • Tested calculation algorithms. • Possibility ofdesigning large systems. • Efficient technical assistance. • High reliability. • Great flexibility.

7. Heat Demand Calculating Program (Audytor OZC) • This program calculatesthe heat demand for theindividualrooms and the whole building. • The program operates in accordance with Polish and Europeanstandards. • The program calculates: • Heat transfer coefficient U (k), • Heat demand for separate rooms, • Heat demand for the whole building, • Heat energy consumption for the whole building. • All calculation results can be printed or transferred via clipboard to another application. • Calculation results can be automatically transferred to the central heating calculation program Audytor C.O.

8. Heating Systems Design Program (Audytor C.O.) • A program for designing heating systems, which was created for graphic design of new central heating systems, as well as hydronic balancing of already existing ones (e.g. in additionally insulated buildings). • The program also enables designing systems of chilledwatersystemspipes. • Systems covered by the program: • Double- or single-pipe systems (important on East European markets), • Upper or bottom heating agent division, • Vertical and horizontal (including manifold) systems, • Convection radiators and unerfloor radiators, • Systems with thermostatic radiator valves, • Systems with balancing stabilisers, • Systems with flow governors.

9. Heating Systems Design Program (Audytor C.O.) • Catalogue data base of the program contains informationabout pipes, accessories and radiators produced by leading local and international companies. • The program enables performing full hydraulic calculations for the system, including: • Adjustingpipe diameters, • Estimating hydraulic resistance of loops, • Providing information about overall pressure loss in system, • Reducing overpressure in loops by adjusting initial presets of valves or selecting aperture diameters for balancing orifices, • Adjustingpresets for differential pressure governors installed in positions selected bythe designer (riser's base, system's branch, etc.), • Takingintoconsiderationtherequirementsregardingauthorities on thermostaticvalves(appropriate pressure drop on valves).

10. Heating Systems Design Program (Audytor C.O.) • Heat calculations performed by the program include the following functions: • Estimation of heat gains from pipes of system led in individual rooms. • Calculation of cooling for heating agent in supply pipes. • Estimation of required radiators' dimensions for given heat load demand. • Adjustment of flux of heating agent supplying heat receivers, taking into account its cooling in pipes and heat gains from pipes (variant of regulation of existing system, e.g. in additionally insulated buildings). • Influence of water cooling down in pipes on gravity pressure value in individual loops, as well as on heat receivers heat load. • Floor radiators design.

11. Water Supply Program (Audytor H2O) • This is a CAD software for graphic design of interior water supply systems in housing and public services buildings. • Calculations are performed according to European or Russian standards. • The hydraulic calculations include: • Determination of nominal water flows. • Selection of pipediameters. • Estimation of hydraulic resistance of system elements. • Determination of required pressure. • Adjustment flows in circulation loops by appropriate presets on valves or aperture diameters for balancing orifices

12. Water Supply Program (Audytor H2O) • The heat calculations include: • Calculation of required water flow in circulation network usingthermal method (determination of water cooling down in system elements). • Selection of pipe insulation. • Selection of temperature presets on thermostatic valves.

13. Catalogue Data Base • Catalogue data base of the program contains informationabout pipes, accessories and radiators produced by leading local and international companies. • High flexibility of the program enables simultaneous usage of accessories, pipes and radiators of different producers in one project. • Over 30 000 radiators, 6 000 valves and 300 pipe types in the programdatabase

14. Catalogue Data Base • Detailed technical data, very usefulfordesigners.

15. Catalogue Data Base • Indexed PDF documentation connected to the program database.

16. Internet Data Base • All products from the program databasecan be found on SANKOM’s websiteatwww.sankom.pl.

17. Internet Data Base • PDF documentation isalsoavailableon-line.

18. Software downlad • In case the software islicensed under theopen licence,itis available on SANKOM’s website.

19. References

20. SANKOM C.H. version 3.6 GRAPHIC PROGRAM FOR DESIGNING AND HYDRONIC BALANCING OF CENTRAL HEATING SYSTEMS

21. General program features • Graphic design of new central heating systems. • Hydronic balancing of already existingones. • Designing systems of pipes in chilledwater systems. • Graphic design of underfloor heating systems.

22. Central heating system criteria • Pump installation . • Two-pipe and one-pipesystem (very popular in Russia). • Upper or bottom division, vertical pipes distribution systems, manifold systems . • Convection orunderfloor radiators . • Normal or thermostatic radiator valves . • Initial regulation withvalves with an initial preset or orifices . • Differential pressure balancing with balancing stabilisers . • Possibility of using flow governors. • Pump mixing systems

23. Hydraulic calculations • Adjustingpipediameters. • Estimating hydraulic resistance for individual circuits, taking into account gravity pressure (resulting from water cooling down in pipes and heat receivers). • Reducing overpressure in circuits by adjusting initial presets of valves with double control, or adjustment of aperture diameters for balancing orifices. • Taking into account thenecessity of ensuring a relevant hydraulic resistance of pipe-run with theheat receiver (pgmin). • Adjustingpresets for differential pressure governors installed in positions selected bythe designer (riser’s base, system’s branch, etc.). • Takingintoconsiderationtherequirementsregardingauthorities of thermostaticvalves(appropriate pressure drop on valves).

24. Heat calculations • Estimating heat gains from pipes installed in individual rooms. • Calculatingthecooling down inpipesfor a heating agent. • Estimating required radiator dimensions for given heat load demand. • Adjusting appropriate flux of heating agent inflowing heat receivers, taking into account its cooling in pipes and heat gains from pipes (variant of regulation of existing system, e.g. in additionally insulated buildings). • Taking into accountthe influence of water cooling down in pipes on thevalue of gravity pressure in individual circuits, as well as on theheat load of heat receivers. • Designingunderfloor radiators

25. Selection of the calculation variant Water temperatures Heat source parameters Catalogue data Available pipes Basic data • Includes basic data for thewhole system. • Usedforselecting the calculation range.

26. Dynamic link between the table and the drawing Movable toolbars Drawing toolbar Categories of edited items Tables enabling simultaneous editing of many system components Drawings present in the project Pull-down buttons Pull-down list configuration Radson OZC Two independently scaled views of the drawing Drawing the system diagram Data will be entered in a graphic form intothe system diagram.

27. Ceiling Creation Room zones Constructiontab Scale selection Radiators tab Plate radiators Pipes tab Accessories tab Radson OZC Labels 1 2 Pokój Kuchnia +20°C 1976/0 W +20°C 429/0 W dn A 1/2 dn A dn A 1/3 1/4 V-EXAKT-DT V-EXAKT-DT dn dn 100 % 100 % + 3.00 KOMPAKT-**60 KOMPAKT-**60 0 m 0 m Preparing the system diagram example

28. Copy up Automatically renumbered rooms Copying and Blockstab Traditional instalations Copy right Ready blocks Automatically renumbered pipe-runs Radson OZC 101 102 103 104 103 104 Pokój Łazienka W.C. Pokój +20°C 1109/0 W +25°C 507/0 W +20°C 0/0 W +20°C 554/0 W W.C. Pokój +20°C 0/0 W +20°C 554/0 W dn A dn A 1/101 2/102 dn A dn A dn A dn A 1/103 1/104 2/103 2/104 V-EXAKT-DT V-EXAKT-DT V-EXAKT-DT V-EXAKT-DT dn dn dn dn 100 % 100 % 100 % 100 % dn A 2/102 0 m 0 m 0 m 0 m + 6.00 dn A dn A 2/103 2/104 1 2 3 4 Pokój Kuchnia W.C. Sień V-EXAKT-DT V-EXAKT-DT +20°C 1976/0 W +20°C 429/0 W +20°C 110/0 W +16°C 218/0 W dn dn dn A dn A 1/2 2/2 dn A dn A dn A dn A 100 % 100 % 1/3 1/4 2/3 2/4 V-EXAKT-DT V-EXAKT-DT V-EXAKT-DT V-EXAKT-DT dn dn dn dn 100 % 100 % 100 % 100 % 0 m 0 m 0 m 0 m 0 m 0 m + 3.00 Usingready blocks

29. Drawingtables Block valves ZESAV6-P 500 W dn 15 n 3 5 GET-8 Łazienka 0.5 m +25°C 500 W AV6-P dn 10 n 7 1500 W 2/10 2/12 2/7 2/9 GET-8 dn 18 dn 12 dn 15 dn 15 1.8 m Przykładowy projekt instalacji C.O. Przykład 2 Adres: Warszawa, ul. Nowowiejska 20 Projektował: mgr inż. P. Wereszczyński Rys 1 Kreślił: Audytor C.O. Skala 1:50 Weryfikował: Radson C.O. The horizontal apartment system

30. INTEGRA radiators 103 104 105 dn 32 A Kuchnia Łazienka Pokój 1/102 Q 18600 +20°C 700/0 W +25°C 500/0 W +20°C 1000/0 W 500 W n 2 VKO11-60 HYDRCONT HYDRCONT dn 15 dn 15 0.5 m COMBI-Q1.5 COMBI-Q1.5 dn 15 n 1.8 dn 15 n 1 AV6-P AV6-P dn 15 n 3.5 dn 15 n 4.5 1/P103 1/P104 1/P105 700 W 1000 W GET-8 GET-8 Q 700 Q 500 dn 16 A dn 16 A dn 16 A Q 1000 0.6 m 1 m 3 4 5 dn 40 A Kuchnia Łazienka Pokój 1/2 Q 27900 +20°C 700/0 W +25°C 500/0 W +20°C 1000/0 W 500 W n 2 VKO11-60 HYDRCONT HYDRCONT dn 15 dn 15 0.5 m COMBI-Q1.5 COMBI-Q1.5 dn 15 n 1.6 dn 15 n 1 AV6-P AV6-P dn 15 n 3.5 dn 15 n 4 1/P003 1/P004 1/P005 700 W 1000 W GET-8 GET-8 Q 700 Q 500 dn 16 A dn 16 A dn 16 A Q 1000 0.6 m 1 m KOTL Kotłownia dn 40 A R/1 +20°C 0/0 W Q 37200 The manifold apartment system

31. Mixing module Underfloor radiator 1 dn 16 A Pokój 1/2 +20°C 1728 W dn 20 A 1/3 ZP-PURMO ZP-PURMO dn 15 n 5 dn 15 n 0 HYDRCONT ZT-PURMO ZT-PURMO 1/5 1/4 dn 15 n 4 dn 15 dn 15 dn 17 B dn 17 B GP-MARMUR dn=17 Q=1123 W GP-MARMUR dn=17 Q=346 W Fc=15.5 Lc=78.3 B=0.2 Fc=5.7 Lc=28.0 B=0.2 Fb=1.1 Lb=8.1 Bb=0.1 Fb=1.1 Lb=3.9 Bb=0.1 3‰ 3‰ dn 16 A O3 R/7 Pracownia AV6-P AV6-P V5433A-* +20°C 610 W dn 20 A dn 10 n 3 dn 10 n 2 R/4 dn 15 610 W 444 W V5433A-* dn 15 dn 20 A GET-8 GET-8 R/1 0.7 m 0.4 m dn 20 A R/2 dn 16 A R/6 dn 16 A R/8 The underfloor radiator system

32. Layers above the pipes Pipe-coil construction Layers below the pipes Designingtheunderfloor radiators • Flexible definition of theunderfloor radiator construction. • Creation of the underfloor radiatorscatalogue.

33. Unitary thermal efficiency Information about pipes Calculated pipe length and floor area Floor temperature Calculation temperatures Hydraulic calculations’ results Designing the underfloor radiators • Preliminary calculations.

34. Work parameters Radiator calculation results Designing the underfloor radiators Printingthe preliminary calculations results.

35. Radson C.O. Border zone Underfloorradiators Radiators Pipes Instalation item label Graphictab Views tab Importing the plan view form file (WMF, DZF, DWG) or clipboard Room labels KOMPAKT-**-60 5 Pokój GP-MARMUR dn= GP-MARMUR dn= GP-MARMUR dn= GP-MARMUR dn= GP-MARMUR dn= GP-MARMUR dn= GP-MARMUR dn= +20°C 723 W Fc=5.7 Lc= B=0.2 Fc=5.7 Lc= B=0.2 Fc=5.7 Lc= B=0.2 Fc=5.7 Lc= B=0.2 Fc=5.7 Lc= B=0.2 Fc=5.7 Lc= B=0.2 Fc=5.7 Lc= B=0.2 Fb=1.3 Lb= Bb= Fb=1.3 Lb= Bb= Fb=1.3 Lb= Bb= Fb=1.3 Lb= Bb= Fb=1.3 Lb= Bb= Fb=1.3 Lb= Bb= Fb=1.3 Lb= Bb= dn A 2/5 Drawing on the plan views

36. Radson C.O. Results in the graphical form Results in the tabular form Dynamic link betweenthe tables and the system diagram Valve preset value Radiator size Drawing layers formating Setting layers visibility Layer editing Line style Font style selection Calculation results Calculation results may be presented both in a table and graphically.

37. Radson C.O. Underfloor radiators Radiators (length scale is saved) Described pipes The calculation results in the plan view

38. Presentation of calculationresults • The contents of all tables can be formatted (choice of rows and columns to be shown, choice of thefont size) and sorted according to a freely chosen key. • All drawings can be transferred into another application using WMF, DXF and DWG formats. • In case of usingDXF and DWG files, the layers and blocks structure are saved. • The contents of all tables can be transferred into another application via clipboard.

39. Plot preview Plot formatting Plotting pagination Printer or plotter selection Plotting scale Plotting Margins Printing the calculation results Calculation results can be plotted to a plotter or a printer .

40. Examples of single-pipe radiator connections • Single-pipe systems are common in the countries of the former Soviet Union.