Viessmann Vitosol100 Technical Manual
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Viessmann Vitosol100 Technical Manual

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Technical guide
Vitosol 100
Type s2.5
Vitosol 200
Viessmann solar panels
the right solution for every application
Using solar energy to heat domestic hot water and to provide
central heating backup
5822 135 6 GB
5/2004
Vitosol 100
Type 5DI
Vitosol 250
Vitosol 100
Flat collector
for installation on flat and pitched roofs, for roof integration
and for freestanding installation
Large area flat collector
for roof integration on pitched roofs with roof tiles
Vitosol 200
Direct flow vacuum tube collector for installation on pitched and
flat roofs and on walls
Vitosol 250
Highly efficient direct flow vacuum tube collector for installation
on pitched and flat roofs and on walls
Vitosol 300
Vacuum tube collector, based on the heat pipe principle, for
installation on pitched and flat roofs and for freestanding installation
VITOSOL
Vitosol 300

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Summary of Contents for Viessmann Vitosol100

  • Page 1: System Design

    Type 5DI Vitosol 200 Vitosol 250 Vitosol 300 Vitosol 100 Viessmann solar panels Flat collector the right solution for every application for installation on flat and pitched roofs, for roof integration and for freestanding installation Using solar energy to heat domestic hot water and to provide...

  • Page 2: Table Of Contents

    ................H Overview of the range of solar panels from Viessmann .

  • Page 3: Subsidies, Permits And Insurance

    In addition, subsidies for solar heating/ systems need planning permission. For systems used to heat swimming pool power systems are offered by some Viessmann solar panels are tested for water (even partially), the subsidy Federal States and local authorities. impact resistance, incl. hail impact, in amounts to 80 % of the above rates.

  • Page 4: Solar Energy

    1.2 Solar energy 1.2 Solar energy Exploiting solar energy We have been using the sun’s heat since more responsible ways of handling these system, the economic use of solar energy time immemorial. In summer, it heats our precious resources which have is no longer a futuristic vision, but a buildings directly, while in winter we accumulated over millions of years.

  • Page 5: H Exploiting Solar Energy With Collectors

    1.2 Solar energy Exploiting solar energy with collectors The useful energy which a collector can Whilst a global energy of The choice of collector type and its absorb depends on several factors. The 1 270 kWh/(m · pa) is available in inclination and orientation, are also very main factor is the total solar energy Freiburg, the value in Hannover is only...

  • Page 6: H Influence Of Alignment, Inclination And Shade On Energy Yield

    1.2 Solar energy Influence of alignment, inclination and shade on the energy yield North Annual irradiation in % West East Angle of South inclination Example: 30°; 45° south−west Optimum alignment and inclination Shade reduces energy yield In Germany, the solar heating system A more steeply raked installation would Position and size the collector array so provides the highest energy yields over...
  • Page 7 1.2 Solar energy Inclination and orientation of collectors To achieve optimum energy absorption, the collectors must be oriented towards the sun. The angle of inclination and the azimuth angle are the dimensions used to determine the orientation of the collectors. Angle of inclination a The angle of inclination a is the angle between the horizontal and the collector...

  • Page 8: Overall System Optimisation

    DHW heating in detached and H fast−responding controls designed to Viessmann supplies all the components two−family houses. required for a solar heating system: help you gain maximum yield from the We will be pleased to assist you with the solar heating system.

  • Page 9: Construction And Function Of Collectors

    2.1 Construction and function of the collectors 2.1 Construction and function of the collectors Overview of the range of solar panels from Viessmann Collector Type Gross area Abs. surface Aperture Dimensions Weight area area W mm H mm D mm Vitosol 100 Type s 2.5...

  • Page 10: H Flat Collectors

    2.1 Construction and function of the collectors Vitosol 100 Flat collectors Flat collectors are mainly used for domestic hot water and swimming pool heating applications. Vitosol 100 H Type s/w 2.5 The main component of Vitosol 100 is the Sol titanium coated copper absorber. It ensures high absorption of solar radiation and low emission of thermal radiation.

  • Page 11: H Vacuum Tube Collectors

    2.1 Construction and function of the collectors Vitosol 200 Vacuum tube collectors Vacuum tube collectors are used for Vacuum tube collectors provide higher On an annual average, a solar energy yield domestic hot water and swimming pool levels of efficiency than flat collectors in approx.

  • Page 12: Vitosol 250 Direct Flow Vacuum Tube Collector

    2.1 Construction and function of the collectors Vitosol 250 Vitosol 250 direct flow vacuum tube collector Connection from the l.h. side Like a Thermos flask, the evacuated duplex glass tube protects the liquid flowing through the tube against high heat losses. The glass−glass joint between the outer sleeve and the absorber pipe safeguards high vacuum reliability.

  • Page 13: Vitosol 300 Vacuum Tube Collector Based On The Heat Pipe Principle

    2.1 Construction and function of the collectors Vitosol 300 Vitosol 300 vacuum tube collector based on the heat pipe principle The tube shape gives the collector great stability. Re−evacuation of the tubes is not necessary as the tubes have a permanent airtight seal.

  • Page 14: Collector Efficiency

    2.2 Collector efficiency 2.2 Collector efficiency Some of the solar radiation striking the The thermal loss coefficient and optical If the difference between the collector and collectors is lost through reflection and efficiency combine to form the collector ambient temperature is zero, the collector absorption.

  • Page 15: Solar Coverage

    2.3 Solar coverage 2.3 Solar coverage Vitosol 100 The solar coverage indicates what percentage of the energy required annually for DHW heating can be covered by the solar heating system. The aperture area should be sized so that the production of surplus heat is just about avoided during summer.

  • Page 16: Selection Of Collector Types

    2.4 Selection of collector types 2.4 Selection of collector types Installation options for different collector types Installation Collector type A Vitosol 100, type s Pitched roofs Vitosol 100, type 5 DI (only roof integration) Vitosol 200 Vitosol 250 Vitosol 300 B Vitosol 100, type w Vitosol 200 Vitosol 250...

  • Page 17: H Vitosol 100

    37. recommended for new building projects sea level. (see information on design information Viessmann offers a special solar panel Installation kits are available for regarding roof integration). support to prevent breakages on tiled supporting solar panels on flat roofs.
  • Page 18 2.4 Selection of collector types Vitosol 100 Pitched roofs roof integration Design information regarding installation surfaces H We can recommend roof integration only H On new buildings, leave the H Account for at least 3 rows of tiles on for roofs with roof tile cover and a corresponding area of normal roof the roof ridge to ensure adequate gradient of at least 25º, and with tile...
  • Page 19 2.4 Selection of collector types Vitosol 100 H Type s/w 2.5 A Collector D V−ledge to support the flashing Collector B Covering frame ³ Water drain Type s 2 385 C Additional battens Type w 1 138 H Type 5 DI A Collector B Covering frame C Additional batten...
  • Page 20 2.4 Selection of collector types Vitosol 100 Flat roofs Design information regarding installation surfaces H Type s 2.5 Installation on substructures For calculating dimension Z, see page 22. A Collector support 1 END End stand B Collector support 2 ERW Extension stand END/END C Substructure END/ERW...
  • Page 21 2.4 Selection of collector types Vitosol 100 H Type w 2.5 Installation on substructures Installation with ballast For calculating dimension Z, see page 22. A Collector support 1 END End stand B Collector support 2 ERW Extension stand END/END 1 989 C Substructure or ballast END/ERW 1 989...
  • Page 22 2.4 Selection of collector types Vitosol 100 Calculating the distance between collector rows Influence and consideration of shading Initially, the angle of the sun is established, The following graphic allows you to check accepting a partial shading of collector the approximate values for this angle, rows arranged behind each other.
  • Page 23 2.4 Selection of collector types Vitosol 100 z = Collector row distance h = Collector height a = Collector angle of inclination b = Angle of the sun (see page 22) The following applies to these calculations: sin (180° * (a ) b)) sin b Example 1 Example 2...

  • Page 24: H Vitosol 200

    D30 (30 tubes) 2143 1400 1600 800 m above sea level. A Mounting rail Viessmann offers a special solar panel B Vacuum tube support to prevent breakages on tiled C Mounting bracket roofs or for areas where snow loads Collector type...
  • Page 25 2.4 Selection of collector types Vitosol 200 Pitched roofs Installation with roof ties Installation without roof ties Vacuum tubes at right angles to the roof ridge With solar panel support for roofs with snow loads higher than 2.6 kN/m A Mounting rail B Roof tie C Additional roof battens (only for roof tile cover) D Vacuum tube...

  • Page 26: H Vitosol 250

    (vacuum tubes may be positioned at right angles or parallel to the ridge of the roof). Viessmann offers universal fastening systems which can be used for almost all types of roofing and which simplify installation on roofs and walls.
  • Page 27 2.4 Selection of collector types Vitosol 250 Pitched roofs Installation with roof ties Installation without roof ties Vacuum tubes at right angles to the roof ridge e.g. on tin roofs A Mounting rail A Mounting rail B Roof tie B Mounting bracket C Additional roof battens (only for roof tile cover) C Vacuum tube D Vacuum tube...

  • Page 28: H Vitosol 300

    Viessmann offers a special solar panel support to prevent breakages on tiled roofs or for areas where snow loads above 2.6 kN/m are expected.
  • Page 29 2.4 Selection of collector types Vitosol 300 Pitched roofs Installation with roof ties Installation without roof ties With solar panel support for roofs with snow loads higher than 2.6 kN/m A Mounting rail B Roof tie A Plastic tile (on site, 4 no. per panel) C Additional roof battens (only for roof tile cover) B Mounting rail D Vacuum tube...

  • Page 30: H Snow Load Zones

    2.4 Selection of collector types Snow load zones (in connection with the installation on flat roofs and freestanding installations) Note H Observe the maximum load and H If the collectors are secured against Static calculations, e.g. for substructures distance from the edge of the roof slippage, only take into account the installed on site, are carried out on regarding the substructure installed on...
  • Page 31 2.4 Selection of collector types Vitosol 100, type s 2.5 Collector angle of inclination of 25º or 45º Ballast to be applied and maximum load of the substructure on flat roofs to DIN 1055 Collector angle of inclination 25º 45º Secured against Secured against Secured against...
  • Page 32 2.4 Selection of collector types Vitosol 100, type w 2.5 Collector angle of inclination of 25º or 45º Ballast to be applied and maximum load of the substructure on flat roofs to DIN 1055 Collector angle of inclination 25º 45º Secured against Secured against Secured against...
  • Page 33 2.4 Selection of collector types Vitosol 200 Stress and maximum load of the substructure on flat roofs to DIN 1055 Secured against slippage Secured against lifting Installation height above ground up to 8 8 to 20 20 to 100 up to 8 8 to 20 20 to 100 Weight of supports...
  • Page 34 2.4 Selection of collector types Vitosol 250 Stress and maximum load of the substructure on flat roofs to DIN 1055 Secured against slippage Secured against lifting Installation height above ground up to 8 8 to 20 20 to 100 up to 8 8 to 20 20 to 100 Weight of supports...
  • Page 35 2.4 Selection of collector types Vitosol 300 Collector angle of inclination of 25º Stress and maximum load of the substructure on flat roofs to DIN 1055 Secured against slippage Secured against lifting Installation height above ground up to 8 8 to 20 up to 8 8 to 20 Weight of supports...
  • Page 36 2.4 Selection of collector types Vitosol 300 Collector angle of inclination of 45º Stress and maximum load of the substructure on flat roofs to DIN 1055 Secured against slippage Secured against lifting Installation height above ground up to 8 8 to 20 up to 8 8 to 20 Weight of supports...

  • Page 37: General Installation Instructions

    H Fill solar heating systems only with between the collector array and the roof building in accordance with I.E.E. ridge, install a snow catcher above the Viessmann Tyfocor−G−LS process regulations. collector array in regions where heavy medium; never use mixtures of Connection of the collector system to a snowfall is expected.

  • Page 38: Calculating The Required Collector Surface Area

    = min. cylinder capacity in litres litres/(d · person) cyl min using the Viessmann computation empirical value: (DHW program (available on request from our 75 to 100 litres/(d · person), temp.

  • Page 39: H Central Heating

    3.1 Calculating the required collector surface area Central heating Central heating by solar energy is found to be less advantageous than DHW heating. The period when the greatest amount of solar energy is available does not coincide with the time when the most heat is required.
  • Page 40 3.1 Calculating the required collector surface area Application Required aperture area A for coverage of 60 % 40% to 50 % Vitosol Vitosol Vitosol Vitosol Vitosol Vitosol /250 /250 DHW heating Detached & two−family houses /person 1.2 − 1.5 0.8 − 1.0 0.8 −...

  • Page 41: H Examples Of Estimates Of The Required Collector Surface Area And The Number Of Collectors

    = 3.2 to 4.0 m In this case, a collector type H 30 is recommended. The coverage is approx. 65 %. Note An example of how to calculate system data using the Viessmann ESOP calculation program can be found in the appendix. VITOSOL...

  • Page 42: Sizing Pipe Diameters And Circulation Pump

    3.2 Sizing pipe diameters and circulation pump 3.2 Sizing pipe diameters and circulation pump Sizing pipe diameters Particularly for large solar heating With all four collector types, a uniform Do not use galvanized pipes, galvanized systems (upwards of approx. 20 m flow rate through all collectors is fittings or graphitised gaskets.
  • Page 43 3.2 Sizing pipe diameters and circulation pump Installation examples for flat collectors Vitosol 100, type s/w 2.5 High flow operating mode Installing collectors in a single row 6 collectors ¢ 15 m absorber surface area Calculation example · 28x1 Collector array volume flow V at an average throughput of 40 l/(m ·...
  • Page 44 3.2 Sizing pipe diameters and circulation pump Low flow operating mode Installing collectors, single rows (connected in series) 18x1 18x1 A Flow 18x1 B Return C Air vent valve Calculation example · Collector array volume flow V at an average throughput of 20 l/(m ·...
  • Page 45 3.2 Sizing pipe diameters and circulation pump Installation examples for Vitosol 200 vacuum tube collectors Installation on walls, balconies or flat roofs (up to 6 m absorber area) To optimise the whole system (better start−up characteristics), we recommend the bypass circuit (see system designs) for these types of installation.
  • Page 46 3.2 Sizing pipe diameters and circulation pump Installation of collector arrays (connection in series, low flow operation, max. 2 × 6 m absorber area) 22x1 22x1 22x1 A Flow C Air vent valve B Return D Z connection pipe Collector array volume flow at an Calculation example average flow rate of 20 l/(m ·...
  • Page 47 3.2 Sizing pipe diameters and circulation pump Installation example for Vitosol 200 and 300 vacuum tube collectors (up to 6 m absorber area) 18x1 A Flow B Return C Air vent valve Installation examples for Vitosol 250 vacuum tube collectors Installation on pitched and flat roofs and walls (up to 6 collectors in one array) To optimise the entire system (better start−up characteristics), we recommend a bypass circuit for flat roof and wall installations (see system designs).
  • Page 48 3.2 Sizing pipe diameters and circulation pump Connection from the r.h. side Connection from the l.h. side (preferred version) 15x1 15x1 For larger systems 22x1 18x1 A Flow B Return C Air vent valve VITOSOL...

  • Page 49: H Pressure Drop Of The Solar Heating System

    3.2 Sizing pipe diameters and circulation pump Pressure drop of the solar heating system The total pressure drop of the solar Hydraulically, the collectors can be Vitosol 250 heating system consists of: connected as follows: Up to six collectors can be electrically H Collector resistance values, connected to form a single collector array.
  • Page 50 3.2 Sizing pipe diameters and circulation pump Collector pressure drop (relative to water) Vitosol 100 flat collector, type s/w 2.5 Vitosol 200 vacuum tube collector Vitosol 300 vacuum tube collector 3 4 5 4 5 6 Flow rate in l/min Flow rate in l/min Flow rate in l/min A 1 ×...

  • Page 51: H Sizing The Circulation Pump

    In this case, the in the event of stagnation. of the pumps and safety equipment, safety assembly is installed on the solar Viessmann supplies the Solar−Divicon. pump line (see extension plan B). For systems which are installed in the The Solar−Divicon comprises: roof space or involve short pipe lengths, a H Pre−assembled and sealed valves and...
  • Page 52 3.2 Sizing pipe diameters and circulation pump Solar−Divicon and pump line specification Solar Divicon Type PS 10 PS 20 Solar pump line Type P 10 P 20 Grundfos circulation pump 25 60 25 80 Rated voltage Power consumption for output stages I, II, III I 40 I 140 (see curves below)

  • Page 53: H Liquid Capacity Of Solar Heating System Components

    3.2 Sizing pipe diameters and circulation pump Liquid capacity of solar heating system components Vitosol 100, type s 2.5 litres 2.20 Vitosol 100, type w 2.5 litres 3.00 Vitosol 100, type 5 DI litres 4.20 Vitosol 200, type D 10 litres 2.00 type D 20...

  • Page 54: Safety Equipment

    3.3 Safety equipment 3.3 Safety equipment The solar heating system must be protected in accordance with DIN EN 12975/12976 or in accordance with local regulations. The collector circuit must be protected in such a way that at the highest possible collector temperature (= shutdown temperature) no process medium can escape from the safety valve.

  • Page 55: H Diaphragm Expansion Vessel

    A Process medium D Safety water seal, min. 3 l B Nitrogen filling E Safety water seal C Nitrogen buffer Technical data for the Viessmann expansion vessel To safely prevent steam being created Û Û during the operating phase, collectors must indicate a pressure of at least 1.5 bar...
  • Page 56 Vitosol 250 Vitosol 300 Number System Static Expansion Absorber System Static Expansion capacity head vessel surface capacity head vessel collectors capacity area capacity litres litres litres litres Expansion vessel from the Viessmann product range (see price list). VITOSOL...

  • Page 57: H Safety Valve

    +10 %. miscible with water (e.g. Viessmann markings S (solar) as part of the product The safety valve must comply with EN process medium) and whose boiling identification.

  • Page 58: Accessories

    3.4 Accessories 3 .4 Accessories Threaded elbow Installation kit for connection pipe Quick−acting air vent valve (with tee) comprising H 2 threaded elbows (1 elbow with, " 1 elbow without sensor well) 160 (220) For installation at the highest point of the system.
  • Page 59 3.4 Accessories Solar flow and return pipe Three way diverter valve R1" For systems with central heating backup. Corrugated pipe outer 21.2 With electric drive. Thermostatic mixing valve Flexible stainless steel corrugated pipes with insulation, locking ring connection and sensor lead. Basic kit: 12 m Extension kit:...

  • Page 60: System Designs

    4 System designs 4 System designs For our climatic zone: Dual systems In our climatic zone, solar radiation is Therefore, a solar heating system for In dual systems, for example, an oil or insufficient to cover the entire DHW or swimming pool heating and/or gas fired boiler supplies the additional requirement for domestic hot water or central heating should always be...

  • Page 61: H Dual Mode Dhw Heating With Dhw Cylinders Vitocell B 100 Or Vitocell B 300, With Vitosolic 100

    4.1 System design 1 with Vitosolic 100 4.1 System design 1 Dual mode DHW heating with Vitocell B 100 or Vitocell B 300 DHW cylinder, with Vitosolic 100 DHW heating without solar energy DHW loading with solar energy Solar circuit pump 4 is switched ON and Pump 4 is switched OFF when: The top part of the DHW cylinder is H shutdown temperature differential DT...
  • Page 62 4.1 System design 1 with Vitosolic 100 Control equipment required Item Description Number Part no. Control of DHW cylinder loading by solar energy Vitosolic 100 7170 925 Collector temperature sensor Included in the delivery for item 1 Cylinder temperature sensor Included in the delivery for item 1 Solar circuit pump (standard delivery of Solar−Divicon, see page 51)

  • Page 63: H Dual Mode Dhw Heating With Dhw Cylinders Vitocell B 100 Or Vitocell B 300, With Vitosolic 200

    4.1 System design 1 with Vitosolic 200 Dual mode DHW heating with Vitocell B 100 or Vitocell B 300 DHW cylinder, with Vitosolic 200 DHW heating without solar energy DHW loading with solar energy Solar circuit pump 4 is switched ON and Pump 4 is switched OFF when: The upper indirect coil of the DHW H the actual temperature falls below...
  • Page 64 4.1 System design 1 with Vitosolic 200 Control equipment required Item Description Number Part no. Control of DHW cylinder loading by solar energy Vitosolic 200 7170 926 Collector temperature sensor Included in the delivery for item 1 Cylinder temperature sensor Included in the delivery for item 1 Solar circuit pump (standard delivery of Solar−Divicon, (see page 51)

  • Page 65: H Dual Mode Dhw Heating And Central Heating Backup By Heating Water Calorifier, With Vitosolic 200

    4.2 System design 2 4.2 System design 2 Dual mode DHW heating and central heating backup by heating water calorifier, with Vitosolic 200 DHW heating without solar energy The upper indirect coil of the DHW cylinder is heated by a boiler. The cylinder thermostat with cylinder temperature sensor 6 of the boiler control unit switches the cylinder loading...
  • Page 66 4.2 System design 2 Installation diagram In the main menu, select expert relay for min. speed 4 100 %. A Solar panel D Heating water calorifier F DHW cylinder B DHW circulation pump E Oil and gas fired boilers G Junction box (on site) C DHW circulation output of the boiler control unit or on−site time switch VITOSOL...
  • Page 67 4.2 System design 2 Control equipment required Item Description Number Part no. Control of DHW cylinder loading by solar energy Vitosolic 200 7170 926 Collector temperature sensor Included in the delivery for item 1 Cylinder temperature sensor Included in the delivery for item 1 Solar circuit pump (standard delivery of Solar−Divicon, (see page 51) 7170 931...

  • Page 68: H Dual Mode Dhw Heating With Two Dhw Cylinders, With Vitosolic 200

    4.3 System design 3 4.3 System design 3 Dual mode DHW heating with two DHW cylinders with Vitosolic 200 (particularly suitable for retrofitting in existing systems) DHW heating without solar energy DHW cylinder 2 is heated by the boiler. The cylinder thermostat with cylinder temperature sensor 6 of the boiler control unit switches the cylinder loading pump 7.
  • Page 69 4.3 System design 3 Installation diagram A Solar panel D Oil and gas fired boilers F DHW cylinder 1 B DHW circulation pump E DHW cylinder 2 G Junction box (on site) C DHW circulation output of the boiler control unit or on−site time switch Insert jumper;...
  • Page 70 4.3 System design 3 Control equipment required Item Description Number Part no. Control of DHW cylinder 1 loading by solar energy Vitosolic 200 7170 926 Collector temperature sensor Included in the delivery for item 1 Cylinder temperature sensor Included in the delivery for item 1 Solar circuit pump (standard delivery of Solar−Divicon, see page 51) 7170 931...

  • Page 71: H Dual Mode Dhw And Swimming Pool Heating, With Vitosolic 200

    4.4 System design 4 4.4 System design 4 Dual mode DHW and swimming pool heating with Vitosolic 200 DHW loading without solar energy The top part of the DHW cylinder is heated by the boiler. The cylinder thermostat with cylinder temperature sensor 6 of the boiler control unit switches cylinder loading pump 7.
  • Page 72 4.4 System design 4 Installation diagram VL RL A Solar panel D Oil and gas fired boilers G Heat exchanger 2 B DHW circulation pump E DHW cylinder H Heat exchanger 1 C DHW circulation output of the boiler F Swimming pool basin K Junction box (on−site) control unit or on−site time switch Wiring diagram see page 73.
  • Page 73 4.4 System design 4 In the main menu, select expert relay for min. speed 4 100 %. Start−up signal for filter system with pump qI. In conjunction with H Vitotronic 200 and 300: connection in plug aBÖ at terminal ON, ON in socket DE4 in control module V in plug a−D to terminals 1 and 2.
  • Page 74 4.4 System design 4 Control equipment required Item Description Number Part no. Control of DHW cylinder loading by solar energy Vitosolic 200 7170 926 Collector temperature sensor Included in the delivery for item 1 Cylinder temperature sensor Included in the delivery for item 1 Solar circuit pump (standard delivery of Solar−Divicon, see page 51) 7170 931...

  • Page 75: H Dual Mode Dhw Heating And Central Heating Backup With Combination Cylinder Or Heating Water Calorifier With Stratification Loading System, With Vitosolic 200

    4.5 System design 5 4.5 System design 5 Dual mode DHW heating and central heating backup with combination cylinder or with a heating water calorifier with relayering system, with Vitosolic 200 DHW heating without solar energy The top part of the cylinder is heated by The cylinder thermostat with cylinder temperature sensor 6 of the boiler the boiler.
  • Page 76 4.5 System design 5 Installation diagram a A Solar panel E Combination cylinder Vitocell 333 G Junction box (on site) B DHW circulation pump C DHW circulation output of the boiler F Heating water calorifier with control unit or on−site time switch relayering system Vitocell 353 D Oil and gas fired boilers VITOSOL...
  • Page 77 4.5 System design 5 Installation diagram b (Vitodens 200 or 300, Vitopend 200, Vitoplus 300) This connection is not present when a heating water calorifier is installed. A Solar panel M Temperature sensor for low loss B DHW circulation pump header C Solid fuel boiler H Gas fired wall mounted boilers...
  • Page 78 4.5 System design 5 Required control equipment Item Description Number Part no. Control of cylinder heating by solar energy Vitosolic 200 7170 926 Collector temperature sensor Included in the delivery for item 1 Cylinder temperature sensor Included in the delivery for item 1 Solar circuit pump (standard delivery of Solar−Divicon, see page 51) 7170 931 7170 932...

  • Page 79: H Dual Mode Dhw Heating With Heating Water Calorifiers In Series, With Vitosolic 200

    4.6 System design 6 4.6 System design 6 Dual mode DHW heating with heating water calorifiers connected in series with Vitosolic 200 (especially suitable for large solar heating systems with 20 to 100 m absorber area) DHW loading without solar energy DHW cylinder 2 is heated by the boiler.
  • Page 80 4.6 System design 6 Installation diagram Wiring diagram see page 81. A Solar panel F Heat exchanger 2 Note regarding heat exchanger 1 B DHW circulation pump G Heating water calorifier 2 You can install a three−way diverter C To the oil/gas fired boiler H Heating water calorifier 1 valve wW to prevent frost damage.
  • Page 81 4.6 System design 6 Control equipment required Item Description Number Part no. Heating the combination cylinder/storage tank by solar energy Vitosolic 200 7170 926 Collector temperature sensor standard delivery Cylinder temperature sensor (heating water calorifier 2) standard delivery Solar circuit pump (standard delivery of Solar−Divicon, see page 51) 7170 931 7170 932 Temperature sensor (heat exchanger 1)

  • Page 82: Additional Vitosolic 100 Functions

    This value must be below the first solar heating system. set DHW temperature. Systems with alternative Viessmann control units (only in conjunction with connection extension) Reheating the DHW cylinder by the boiler temperature is simulated via a resistor in this actual temperature is not achieved by will be suppressed by the solar control the connecting extension.
  • Page 83 4.7 Additional Vitosolic 100 functions Additional function for DHW heating Possible only in conjunction with Vitotronic control units with KM BUS and connection extension. In systems with a cylinder capacity above At the boiler control unit, This signal is transferred via the KM BUS H a second set DHW cylinder temperature 400 litres, the entire water contents must to Vitosolic 100, and the circulation pump...

  • Page 84: Additional Vitosolic 200 Functions

    4.8 Additional Vitosolic 200 functions 4.8 Additional Vitosolic 200 functions Summary Further functions may be added to each system design. Functions for which the same relay output is used can only be utilised alternately. Options Relay Possible with design Bypass version with collector and bypass sensor with solar cell with solar cell and collector temperature sensor...
  • Page 85 4.8 Additional Vitosolic 200 functions Bypass circuit To improve the start−up characteristics of the system or for systems with several collector arrays, we recommend operation with a bypass circuit. Version 1 Bypass circuit with collector temperature sensor and bypass sensor Vitosolic 200 measures the collector The solar circuit pump is switched OFF if the start−up temperature differential...
  • Page 86 4.8 Additional Vitosolic 200 functions Version 2 Bypass circuit with solar cell In this version, the solar circuit pump also the irradiation threshold set on Vitosolic switching threshold (drop−out delay fulfils this function. 200 is exceeded. approx. 2 minutes). Vitosolic 200 measures the radiation The pump is switched OFF if the intensity via the solar cell.
  • Page 87 4.8 Additional Vitosolic 200 functions External heat exchanger The relay switches the consumer ON if the set start−up temperature differential is exceeded, and switches it OFF if the actual temperature drops below shutdown temperature differential. Cooling function Function for dissipating excess heat. The maximum cylinder temperature and the the actual temperature drops below solar circuit pump and a consumer...
  • Page 88 PCB, part no. 7179 978 required. PCB, part no. 7170 929 required. PCB, part no. 7170 930 required. Systems with additional Viessmann control units Reheating of the DHW cylinder through operating. A 10 K higher actual DHW the boiler, if this actual temperature the boiler will be suppressed by the solar temperature is simulated via a resistor.
  • Page 89 H the fourth DHW phase for DHW loading must be activated. Additional function in conjunction with additional Viessmann control units A DHW temperature of approx. 35 ºC is The circulation pump (relayering pump) simulated via a resistor.
  • Page 90 4.8 Additional Vitosolic 200 functions Thermostat function, DT control unit and time switches These functions are only available subject to the inputs and outputs not being allocated in the basic design. DT control unit Thermostat function Time switches For the thermostat function or DT control Subject to time, the corresponding relay Subject to time, the corresponding relay switches ON if the start−up temperature is...
  • Page 91 VITOSOL...

  • Page 92: Viessmann Esop Calculation Program

    5.1 Viessmann ESOP calculation program 5.1 Viessmann ESOP calculation program (supplied on Vitoplan 100 CD−ROM) Calculation example Solar heating system with dual mode DHW cylinder 2 x Vitosol 100 (2.5 m 200 litres/day 45 °C Azimuth: 0° Inclination: 45° 300 litres 11 kW Results of simulation over a one−year period...
  • Page 93 5.1 Viessmann ESOP calculation program Solar coverage Jan. Feb. Mar. Apr. Jun. Jul. Aug. Sep. Oct. Nov. Dec. DHW coverage 61 % System parameters Collector circuit details 2 collectors Type: Vitosol 100 (2.5 m Total surface area, gross: 5.44 m Net: 5 m Angle of inclination: 45º...

  • Page 94: Glossary

    5.2 Glossary 5.2 Glossary Absorber Emission Radiation energy Device contained inside a solar panel for Radiation of beams, e.g. light or particles. Quantity of energy transmitted by absorbing radiation energy and radiation. transferring this as heat to a liquid. Evacuation Evacuating air from a container.

  • Page 95: Overview Of Stress Reactions For Vitosol 100

    5.3 Overview of stress reactions for Vitosol 100 5.3 Overview of stress reactions for Vitosol 100 All forces in the following summary are reaction forces. max. Av: (for maximum compression) max. Av: maximum vertical static load stress reaction on bearing A assoc.
  • Page 96 5.3 Overview of stress reactions for Vitosol 100 Collector angle of inclination 20º (details in kN) Type s 2.5 Snow Height above sea level load m up to 200 up to 300 up to 400 up to 500 zone zone Building height m 0−8...
  • Page 97 5.3 Overview of stress reactions for Vitosol 100 up to 600 up to 700 up to 800 up to 900 up to 1000 0−8 8−20 20−100 > 100 0−8 8−20 20−100 > 100 0−8 8−20 20−100 > 100 0−8 8−20 20−100 > 100 0−8 8−20 20−100 >...
  • Page 98 5.3 Overview of stress reactions for Vitosol 100 Collector angle of inclination 45º (details in kN) Type s 2.5 Snow Height above sea level load m up to 200 up to 300 up to 400 up to 500 zone zone Building height m 0−8...
  • Page 99 5.3 Overview of stress reactions for Vitosol 100 up to 600 up to 700 up to 800 up to 900 up to 1000 0−8 8−20 20−100 > 100 0−8 8−20 20−100 > 100 0−8 8−20 20−100 > 100 0−8 8−20 20−100 > 100 0−8 8−20 20−100 >...
  • Page 100 5.3 Overview of stress reactions for Vitosol 100 Collector angle of inclination 25º (details in kN) ype w 2.5 Snow Height above sea level load m up to 200 up to 300 up to 400 up to 500 zone zone Building height m 0−8...
  • Page 101 5.3 Overview of stress reactions for Vitosol 100 up to 600 up to 700 up to 800 up to 900 up to 1000 0−8 8−20 20−100 > 100 0−8 8−20 20−100 > 100 0−8 8−20 20−100 > 100 0−8 8−20 20−100 > 100 0−8 8−20 20−100 >...
  • Page 102 5.3 Overview of stress reactions for Vitosol 100 Collector angle of inclination 45º (details in kN) Type w 2.5 Snow Height above sea level load m up to 200 up to 300 up to 400 up to 500 zone zone Building height m 0−8...
  • Page 103 5.3 Overview of stress reactions for Vitosol 100 up to 600 up to 700 up to 800 up to 900 up to 1000 0−8 8−20 20−100 > 100 0−8 8−20 20−100 > 100 0−8 8−20 20−100 > 100 0−8 8−20 20−100 > 100 0−8 8−20 20−100 >...
  • Page 104 Subject to technical modifications. Viessmann Werke GmbH & Co D 35107 Allendorf Tel: +49 6452 70 0 Fax: +49 6452 70 27 80 www.viessmann.de Viessmann Limited Hortonwood 30, Telford Shropshire, TF1 7YP , GB Tel: +44 1952 675000 Fax: +44 1952 675040 E−mail: info−uk@viessmann.com...

This manual is also suitable for:

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