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Solar System Design Guide

6020 457 - 01

Required Installation Area (Flat Roofs) - Vitosol 200-FM, Type SV

Vitosol 200-FM SV2F Array Dimensions

Flat Roof Installation

Collector Array Weight

(Collectors, racking, fittings & fluid)

Number of

Collectors

Mounting Frame Spacing

Dimensions

Overall Length of Array

When Collectors Installed

“X” = 23½ in (595 mm)

“Y” = 18

in (481 mm)

in.

(mm)

lb.

(

kg)

Collector

1x "X"

(1071)

142

(65)

Collectors

2x "X" + 1x "Y"

(2148)

278

(126)

Collectors

3x "X" + 2x "Y"

127

(3225)

414

(188)

Collectors

4x "X" + 3x "Y"

169

(4301)

549

(249)

Collectors

5x "X" + 4x "Y"

211

(5378)

685

(311)

Collectors

6x "X" + 5x "Y"

254

(6455)

820

(372)

Collectors

7x "X" + 6x "Y"

296

(7532)

958

(435)

Collectors

8x "X" + 7x "Y"

339

(8609)

1094

(496)

Collectors

9x "X" + 8x "Y"

381

(9685)

1229

(558)

Collectors

10x "X" + 9x "Y"

423

(10762)

1365

(619)

Collectors

11x "X" + 10x "Y"

466

(11839)

1500

(681)

Collectors

12x "X" + 11x "Y"

508

(12916)

1636

(742)

* Only one pair of mounting crossbars

are supplied for 1 to 6 collectors,

two pairs of mounting crossbars are

supplied for 7 to 10 collectors.

For vertical collectors installed between 25° - 60° degrees from the horizontal plane (ground)

Note:

It is recommended that a minimum service

clearance of 12 in. (305 mm) should be added

to each end of the collector array. This allows for

ease of installation and servicing of the solar supply

and return connections.

Design Information

Содержание Vitosol 200-FM SH2F

Страница 1: ...M Model SV2F and SH2F Flat plate solar collectors For vertical model SV or horizontal model SH installation on sloped and flat roofs For integration on walls model SH only To produce domestic hot water or to supplement low temperature heating systems or swimming pools via a heat exchanger Model SV2F Model SH2F ...

Страница 2: ...ncy Calculation 10 Collector Thermal Output Calculation 10 Thermal Capacity 11 Stagnation Temperature 11 System Filling Pressure and Steam Producing Power 11 Solar Coverage 11 Orientation of the Receiver Surface 12 Inclination of the Receiver Surface 12 Avoid Shading of the Receiver Surface 12 Overall System Optimization 13 Product Description 14 Benefits 14 Specification 15 Dimensions 16 Approved...

Страница 3: ...ol with Temperature Limitations 25 Speed Control with Solar Control Module SM1 25 SCU 124 224 Speed Control 26 SCU 345 Speed Control 26 Energy Metering with Solar Control SM1 Module and SCU 124 and 224 26 SCU 345 Energy Metering 26 Verifying Solar Control Energy Calculation 27 Suppression of DHW Tank Reheating by the Boiler with SCU 124 224 and 345 27 Suppression of DHW Tank Reheating by the Boile...

Страница 4: ...e Roof 42 Routing Pipe Work 42 Equipotential Bonding Lightning Protection of the Solar Thermal System 42 Thermal Insulation 43 Solar Supply and Return Lines 43 Collector Fixing 44 Sloped Roof Installation 44 Flat Roof Installation 44 Wall Installation 44 Required Installation Area Sloped Roofs Vitosol 200 FM Type SV 45 Required Installation Area Sloped Roofs Vitosol 200 FM Type SH 46 Sloped Roof I...

Страница 5: ...M 72 Pressure Drop of the Solar Thermal System 73 Pressure Drop of the Solar Supply and Return Lines 73 Pressure Drop of Vitosol 200 FM Type SV and SH 74 Collector Pressure Drops for Vitosol 200 FM SV2F SH2F 74 Fluid Velocity 75 Fluid Velocity and Pressure Drop Copper 75 Fluid Velocity and Pressure Drop Steel 76 Pressure Drop for Commonly Used Valves Fittings 76 Sizing the Circulation Pump 77 Vent...

Страница 6: ...e collector than in installations on 45 supports If the main period of use falls in spring autumn or winter central heating backup higher yields may still be achieved from the collectors subject to the prevailing conditions It should be noted that installation of solar thermal collectors may be subject to certain legal requirements For the rules regarding the implementation of collector systems re...

Страница 7: ...seous molecules That portion of this radiation which passes unimpeded through the atmosphere to strike the earth s surface is known as direct radiation The portion of the solar radiation which is reflected and or absorbed by dust particles and gas molecules and irradiated back strikes the earth s surface indirectly is known as diffused radiation The total radiation striking the earth s surface is ...

Страница 8: ...on see maps below The type of collector as well as its inclination and orientation are also very important see page 12 If the solar installation is to be operated economically careful dimensioning of the system components is also essential Note Average mean daily global radiation on a south facing surface tilted at an angle equal to the latitude of the location Btu ft2 day kWh m2 day 0 to 317 0 to...

Страница 9: ...ditions of the collector The calculation method is the same for all collector types Some of the insolation striking the collectors is lost through reflection and absorption at the glass pane and through absorber reflection The ratio between the insolation striking the collector and the radiation that is converted into heat on the absorber is used to calculate the optical efficiency 0 When the coll...

Страница 10: ... K2 Eg 1000 W m2 T 40 C 20 C 20 C 0 823 4 421 20 0 022 20 2 1000 1000 0 7258 or 72 6 Efficient Example for 1x Vitosol 200 FM SV2F collector Calculate the output based on absorber area Qt Eg Ac 0 k1 T k2 T2 Eg Eg Where 0 82 3 k1 4 421 W m2 K k2 0 022 W m2 K2 Ac 2 32 m2 Eg 1000 W m2 T 40 C 20 C 20 C Qt 1000 2 32 0 823 4 421 20 0 022 20 2 1000 1000 Qt 1684 Watts Collector Thermal Output Calculation T...

Страница 11: ...e relevant system configuration Always adjust the pre charge pressure of the expansion vessel before filling the solar thermal system Solar Coverage The solar coverage rate indicates what percentage of the energy required annually for DHW applications can be covered by the solar thermal system Designing a solar thermal system always entails finding a good compromise between yield and solar coverag...

Страница 12: ... inclination latitude of location 15 Avoid shading of the collector installation surface Looking at the installation of a collector facing south we recommend that the area between south east and south west is kept free of shading at an angle towards the horizon of up to 20 It should be noted that the solar system is to operate for longer than 20 years and that during this time for example trees wo...

Страница 13: ...th well matched system components can cover 55 to 60 of the annual energy demand for DHW heating in detached and semi detached houses Viessmann would be pleased to assist you with the design of solar heating system The elements of a typical solar heating system are shown in the diagram below 1 Install at least one air vent valve quick acting air vent valve or a manual vent valve at the highest poi...

Страница 14: ...systems Fast installation with flexible connection pipes and quick connect fittings Prefabricated collector mounting hardware ensures easy connection to roofs Maximum system performance and reliability with a full range of solar system components designed to integrate seamlessly Quality tested to Solar Keymark testing requirements Certified to the Solar Rating and Certification Corporation SRCC OG...

Страница 15: ...ight dry lb kg 86 39 88 40 Fluid capacity heat transfer medium USG L 0 48 1 83 0 63 2 40 Maximum working pressure 3 psig bar 87 6 87 6 Maximum stagnation temperature 4 F C 293 145 293 145 Connection in mm 22 22 Requirements for installation surface and anchorage Roof construction with adequate load capacity for prevailing wind forces Mechanical test load Max tested positive load Max tested negativ...

Страница 16: ... mounting Tested in accordance with Solar KEYMARK EN 12975 and SRCC 0G 100 Vitosol 200 FM Type SV Vertical mounting Approved Quality For a complete list of certified collectors and pre engineered solar packages please scan the QR code below or visit Solar Rating Certification Corporation website at www solar rating org ...

Страница 17: ...nd central heating backup Industrial commercial heating systems Functions With output statement and diagnostic system Operation and display via the Viessmann Vitotronic boiler control unit Switching the solar circuit pump Heating of two consumers via a collector array Second temperature differential controller Thermostat function for reheating or utilizing excess heat Suppression of DHW tank rehea...

Страница 18: ...rage and transport 4 to 158 F 20 to 70 C Tank temperature sensor For connection inside the module On site extension of the connecting lead 2 core lead length max 197 ft 60 m AWG 15 16 cross section of 0 00233 in2 1 5 mm2 Never route this lead immediately next to 120 240VAC cables Cable length 12 3 ft 3 75 m Sensor type Viessmann NTC 10 kΩ at 77 F 25 C Permissible ambient temperature During operati...

Страница 19: ...ection of 0 00233 in2 1 5 mm2 Never route this lead immediately next to 120 240V cables Cable length 5 ft 1 5 m Sensor type PT1000 Permissible ambient temperature during operation 58 to 356 F 50 to 180 C during storage and transport 4 to 158 F 20 to 70 C Delivered Condition For systems with Viessmann DHW tanks the tank temperature sensor is installed in the solar brass elbow located in the heating...

Страница 20: ...turn see page 35 Specifications Rated voltage 100 240 VAC Rated frequency 50 60 Hz Rated current 4A Power consumption 2W in standby mode 0 7 W Safety category II Permissible ambient temperature during operation 32 to 104 F 0 to 40 C for use in the living space or boiler room during storage and transport 4 to 150 F 20 to 65 C Rated relay output breaking capacity Semi conductor relay 1 1 A 100 240 V...

Страница 21: ...ature sensors FKP6 2x tank temperature sensors FRP6 Delivered Condition Specification Rated voltage 100 240 VAC Rated frequency 50 60 Hz Rated current 4A Power consumption 2W in standby mode 0 9 W Safety category II Permissible ambient temperature During operation 32 to 104 F 0 to 40 C use in the living space or boiler room During storage and transport 4 to 150 F 20 to 65 C Rated relay output brea...

Страница 22: ...ntral heating backup x External heat exchanger x x x Parallel relay x Tank 2 ON x x Tank 2 to 3 ON x Tank priority control x x x Utilisation of excess heat heat dump x x x Cyclical heating x x x x Relay kick x x SD Card data logging x Tank Temperature Limit The solar circuit pump will be switched OFF if the set tank temperature is exceeded Collector Emergency Shutdown In order to protect the syste...

Страница 23: ...al system even if the collector temperature continues to rise after the system has reached all limit temperatures by accurately sizing the diaphragm expansion vessel Where stagnation occurs or for collector temperatures that rise further the solar circuit pump will be blocked or stopped emergency collector shutdown to avoid thermal overloading of the connected components This function is only avai...

Страница 24: ...en reached SCU 124 224 345 With a collector temperature below 39 F 4ºC the solar circuit pump will be started to avoid damage to the collectors The pump will be stopped when a temperature of 41 F 5ºC has been reached or when the solar tank temperature drops below 41 F 5ºC Thermostat Function with Time Switches Solar Control Module SM1 and SCU 124 224 and 345 The thermostat function can be used ind...

Страница 25: ...ink as defined by the Switch ON temperature differential or T 3 The heat sink must be lower than the defined maximum temperature or Switch OFF temperature setpoint Speed Control with Solar Control Module SM1 The variable speed pump control is disabled in the factory default condition during commissioning it can be enabled for relay output R1 Possible pumps High efficiency pumps with optional modul...

Страница 26: ... When determining thermal yields the difference between the collector and tank temperature the calculated flow rate the type of heat transfer medium and the operating time of the solar circuit pump are taken into account The maximum flow rate is entered in the control at the time of commissioning and the energy production is calculated Note The maximum flow rate as visually measured from the pump ...

Страница 27: ...83 Btu lb F 50 glycol Solar Fluid Density P 8 33 lbs gal water 8 73 lbs gal 50 glycol Incoming fluid temperature t1 120 F Leaving fluid temperature t2 100 F Calculate energy gained by solar system 50 glycol Q m cp P T Q 1 gpm x 60 mins hr x 8 73 lbs gal x 0 83 Btu lb F x 20 F Q 8 695 Btuh Solar Flow Rate m 3 8 lpm Solar Fluid Specific Heat cp 1 163 Wh kg C water 0 96 Wh kg C 50 glycol Solar Fluid ...

Страница 28: ...rred to the SM1 control and the transfer pump relay 2 will be started Option 1 The DHW tank is heated via an external heat exchanger The control uses only 2 sensors to operate the primary and secondary pumps simultaneously The control monitors the temperature differential between sensors and should there be usable heat then pumps sF and sS will start at the same time or in parallel Option 2 The DH...

Страница 29: ...ms with several storage tanks or thermal loads With this function storage tanks or thermal loads can be excluded from solar heating Note Only with the SCU 345 can the end user deactivate a tank or load from the control layout For the SCU 224 the system commissioning agent must properly select the control layout which reflects the true hydraulic layout Tank Priority Control with SCU 224 and 345 In ...

Страница 30: ...to the SD card in a text file This may for example be opened in a tabular calculation program e g Excel The historical logged values can then be graphed for easy viewing Smart Display SD3 Used for visualizing live data issued by the controller collector temperature tank temperature and energy yield of the solar thermal system For use with all SCU controls Utilization of Excess Heat Heat Dump with ...

Страница 31: ...ated web interface SD card slot for transmission of stored data For use with all SCU controls Used with SCU 345 control to measure the solar fluid flow rate to determine energy metering Available in 3 flow ranges DL2 Datalogger V40 Flow meter Kit Single jet impeller V40 06 V40 15 V40 25 a Mounting length without fittings 4 3 in 110 mm 4 3 in 110 mm 5 1 in 130 mm b Mounting length with fittings 8 3...

Страница 32: ...cal flow rate recommended 2 4 USG min 9 08 L min 5 3 USG min 20 06 L min 9 7 USG min 36 71 L min Maximum number of Vitosol 200 FM flat plate solar collectors 6 14 24 Pressure loss at maximum flow rate 80 w c 0 199 bar 80 w c 0 199 bar 80 w c 0 199 bar Flowmeter Sizing Three flowmeter kit sizes available flow meter must be sized to match the maximum or peak flow rate of the solar thermal system Sol...

Страница 33: ...tion Overall tank width with insulation Overall tank height with insulation in mm in mm in mm 23 581 24 605 47 1191 23 581 24 605 55b 1409 26a 667 29a 744 68a 1734 32c 832 35 888 77 1960 Weight Tank with insulation lbs kg 132 60 154 70 231 105 187 85 Heat exchanger coil capacity USG L 1 95 7 4 1 95 7 4 2 91 11 3 43 13 Heat exchanger surface area ft 2 m2 11 1 0 11 1 0 16 1 5 18 3 1 7 Connections So...

Страница 34: ...87 0 3 Dimensions Overall tank length with insulation Overall tank width with insulation Overall height with insulation in mm in mm in mm 26a 667 29 744 68a 1734 32c 832 35 888 77 1960 Weight Tank with insulation lbs kg 249 113 220 100 Coil upper coil lower coil upper coil lower coil Heat exchanger coil capacity USG L 1 8 6 7 2 9 11 2 6 10 3 43 13 Heat exchanger surface area ft 2 m2 9 6 0 9 16 1 5...

Страница 35: ...nsor well in the solar glycol return line lower coil which returns to the collector array Legend A DHW tank temperature sensor for solar application included with solar control unit B Brass elbow with sensor well C Solar collector return connection Vitocell tank temperature sensor installation location for solar heating applications 42 79 USG 160 300 L Position the solar brass elbow with integrate...

Страница 36: ... Divicon are available Model DN20B up to 6 USG min 22 7 L min up to 8 Vitosol 200 FM collectors Model DN25B up to 10 USG min 37 9 L min up to 18 Vitosol 200 FM collectors IMPORTANT IMPORTANT The Solar Divicon and the solar pump line are not suitable for direct contact with swimming pool water or potable water Always install Solar Divicon at a lower height than the collectors to prevent steam from ...

Страница 37: ...z 92 Watts 142 Watts 180 Watts 1 5 Amps Connection Types Solar Supply Return Circuit Solar Expansion Tank Safety Relief Valve Ø 3 4 Copper Type L Locking Ring 3 4 NPT Female 3 4 NPT Female Ø 1 Copper Type L Locking Ring 3 4 NPT Female 3 4 NPT Female Flow Meter Range Minimum Flow Rate Maximum Recommended System Flow Rate Maximum Flow Rate 0 8 USG min 3 0 L min 4 4 USG min 16 7 L min 6 0 USG min 22 ...

Страница 38: ...38 Installation Accessories Solar Divicon Pump Curves Solar Divicon DN20B Refer to the Solar Divicon Installation and Service Instructions Manual for detailed information on sizing installation and performance parameters Solar Divicon DN25B ...

Страница 39: ... array and at the highest point of the system Stainless steel corrugated pipes with thermal insulation and protective foil locking ring fittings and sensor wire Available in three coil sizes 20 ft 6 m long 40 ft 12 m long 50 ft 15 m long Air Separator with shut off Fast acting Air Vent Valve with shut off Flexible Insulated Piping For use in smaller scale solar systems having up to four Vitosol 20...

Страница 40: ...g the pressure of the solar fluid Solar fill pump connects to BSP fittings Use the supplied adaptor to connect to the Solar Divicon sediment faucets or boiler drain valves having standard in garden hose threads GHT Connection Set with Locking Ring Fitting Manual Solar Fill Pump Mobile Solar Charge Station For flushing and filling of solar systems telescopic handle 120VAC 5 bar 75 psig 8 USGPM 30 L...

Страница 41: ...perature or solar rated expansion tank The membrane and gaskets of the expansion tank must be suitable for the heat transfer medium and for the high temperature in a solar system Should the expansion tank be installed at the same level or higher than the Solar Divicon a heat insulating loop p trap is required to prevent steam from entering the expansion tank Adjust air cushion pressure of the expa...

Страница 42: ...ration of the collector system into a new or existing lightning protection facility or the provision of local earthing must only be carried out by authorized personnel who should take the site conditions into account Certain parts of the roof are subject to special requirements Allow for increased wind turbulence in these areas Corner area A limited on two sides by the end of the roof Edge area B ...

Страница 43: ...ill solidify around 452 F 233 C Metal sealing connections locking ring fittings or Viessmann push fit connections with double O rings are the most suitable connection option Note If using press fittings ensure the O rings are suitable resistant to glycol and temperature Only use O rings that have been approved by the manufacturer All components to be used must be resistant to the heat transfer med...

Страница 44: ...The collectors can be secured on any solid substructure or on concrete slabs Note When installing collectors on concrete slabs secure them with additional ballast to prevent against slippage tipping and lifting Slippage is the movement of the collectors on the roof surface due to wind because of insufficient friction between the roof surface and the collector fixing system Collectors can be secure...

Страница 45: ...525 653 296 7 Collectors 93c 2380 300 7623 757 344 8 Collectors 93c 2380 342b 8700 869 394 9 Collectors 93c 2380 385c 9798 971 440 10 Collectors 93c 2380 419b 10654 1083 492 11 Collectors 93c 2380 471b 11973 1190 540 12 Collectors 93c 2380 513c 13050 1301 590 For vertical collectors installed between 10 80 degrees from the horizontal plane ground Note It is recommended that a minimum service clear...

Страница 46: ...rs 41c 1056 476c 12110 587 266 6 Collectors 41c 1056 572a 14532 702 319 7 Collectors 41c 1056 667b 16954 821 373 8 Collectors 41c 1056 762c 19376 935 424 9 Collectors 41c 1056 858a 21798 1054 478 10 Collectors 41c 1056 953b 24220 1166 529 11 Collectors 41c 1056 1049 26642 1285 583 12 Collectors 41c 1056 1144a 29064 1400 635 For horizontal collectors installed between 10 80 degrees from the horizon...

Страница 47: ... brackets and screws H Forces are applied to the roof structure in various ways including via the roof brackets and the slate cover As these elements can vary greatly damage may occur when loads are applied We therefore recommend installing additional sheet lead or appropriate flashing between the roof brackets and the roof material Roof hooks for shingled roofs Overview sloped shingled roof insta...

Страница 48: ...n mm d in mm SV 93c 2380 74c 82c 1900 2100 94b 2400 4 103 SH 41c 1056 17c 33b 450 850 42b 1077 4 103 Refer to the Vitosol FM Installation Instructions for all mounting hardware dimensions and detailed installation instruction Legend A Clamping brackets with hole size Ø 5 16 in Ø 9 mm It is recommended that a min of 4 clamping brackets are required per support rail E clamping brackets are ordered s...

Страница 49: ...c 68 5 80a 2038 85b 2175 3b 87 5 36a 923 6 154 3 Collectors 40 1019 42b 1077 3 79 122b 3115 128c 3273 4 98 36a 923 6 154 4 Collectors 40 1019 42b 1077 3 79 165 4192 171a 4350 4 98 36a 923 6 154 5 Collectors 40 1019 42b 1077 3b 89 5 207b 5269 214b 5448 4a 108 5 36a 923 6 154 6 Collectors 40 1019 42b 1077 3b 89 5 249c 6346 256c 6525 4a 108 5 36a 923 6 154 7 Collectors 40 1019 42b 1077 4 100 292a 742...

Страница 50: ...0 4c 121 5 86b 2200 8 201 3 Collectors 286 7266 271c 6901 7a 182 5 88b 2250 94b 2401 5a 132 86b 2200 8 201 4 Collectors 381b 9688 366a 9302 7b 193 88b 2250 94b 2401 5b 142 5 86b 2200 8 201 5 Collectors 476c 12110 460c 11703 8 203 88b 2250 94b 2401 6 153 86b 2200 8 201 6 Collectors 572 14532 555a 14104 8b 214 88b 2250 94b 2401 6b 163 5 86b 2200 8 201 7 Collectors 667b 16954 649c 16505 8c 224 5 88b ...

Страница 51: ...support Collector support base rail Type SV Legend A Base rail B Adjustable support C Collector support Type SH angle of inclination α 25 to 45 Vitosol 200 FM Flat Plate Collectors on supports Refer to the Vitosol FM Installation Operating and Service Instructions for all mounting hardware dimensions and detailed installation instructions Dimensions a 3 in 80 mm b 4 in 100 mm c Ø 0 4 in 11 mm d 2 ...

Страница 52: ...es Vitosol 200 FM Flat Plate Collectors on supports continued Legend Collector support base rail Type SH Dimensions a 3 in 80 mm b 3 in 75 mm c Ø 0 4 in 11 mm d 2 in 50 mm e 28b in 722 mm f 35a in 897 mm g 4 in 100 mm Note Imperial dimensions are rounded to the nearest a in Design Information Vitosol 200 FM Type SV x in mm 23 595 y in mm 187 8 481 z in mm See page 56 Vitosol 200 FM Type SH x in mm...

Страница 53: ... 6 Collectors 6x X 5x Y 254a 6455 820 372 7 Collectors 7x X 6x Y 296b 7532 958 435 8 Collectors 8x X 7x Y 339 8609 1094 496 9 Collectors 9x X 8x Y 381a 9685 1229 558 10 Collectors 10x X 9x Y 423c 10762 1365 619 11 Collectors 11x X 10x Y 466 11839 1500 681 12 Collectors 12x X 11x Y 508b 12916 1636 742 Only one pair of mounting crossbars are supplied for 1 to 6 collectors two pairs of mounting cross...

Страница 54: ... 6 Collectors 6x X 5x Y 567 14399 715 325 7 Collectors 7x X 6x Y 661b 16800 836 379 8 Collectors 8x X 7x Y 756 19201 954 433 9 Collectors 9x X 8x Y 850b 21601 1072 486 10 Collectors 10x X 9x Y 945 24002 1190 540 11 Collectors 11x X 10x Y 1039b 26403 1308 594 12 Collectors 12x X 11x Y 1134 28804 1426 647 Only one pair of mounting crossbars are supplied for 1 to 6 collectors two pairs of mounting cr...

Страница 55: ...41 7 71 4 Des Moines IA 41 5 93 7 Columbia SC 33 9 81 1 Topeka KS 39 1 95 6 Pierre SD 44 4 100 3 Frankfort KY 38 2 84 9 Nashville TN 36 1 86 7 Baton Rouge LA 30 5 91 2 Austin TX 30 2 97 7 Augusta ME 44 3 69 8 Salt Lake City UT 40 8 112 0 Annapolis MD 38 9 76 4 Montpelier VT 44 2 72 6 Boston MA 42 4 71 0 Richmond VA 37 5 77 3 Lansing MI 42 8 84 6 Olympia WA 47 0 122 9 Saint Paul MN 44 9 93 1 Charle...

Страница 56: ... Example Vitosol 200 FM Type SV Vertical Collector Toronto is located at approximately 43 latitude 1 Determine the angle of the sun This should be chosen so that the midday sun December 21 falls on the second row of collectors without being obstructed by shadows Solar angle 90 23 5 latitude 23 5 should be accepted as constant value for northern latitudes 90 23 5 43 23 5 2 Calculating dimension z h...

Страница 57: ... 9597 467 212 5 Collectors 5x X 4x Y 472 a 11998 583 265 6 Collectors 6x X 5x Y 567 14399 699 317 7 Collectors 7x X 6x Y 661 b 16800 814 370 8 Collectors 8x X 7x Y 756 19201 930 422 9 Collectors 9x X 8x Y 850 b 21601 1046 475 10 Collectors 10x X 9x Y 945 24002 1161 527 11 Collectors 11x X 10x Y 1039 b 26403 1277 579 12 Collectors 12x X 11x Y 1134 28804 1393 632 For horizontal collectors installed ...

Страница 58: ...led installation instructions Collector support base rail Type SH Dimensions a 3 in 80 mm b 3 in 75 mm c Ø 0 4 in 11 mm d 2 in 50 mm e 28b in 722 mm f 35e in 897 mm g 4 in 100 mm Note Imperial dimensions are rounded to the nearest a in 1 Trim adjustable supports 3 in accordance with the required angle of inclination 2 Secure the adjustable support 3 to the collector support 1 with bolts 8 nuts 7 a...

Страница 59: ...dividual array Single array less than or equal to 10x flat plate collectors Vitosol 200 FM Type SV and SH High Flow Operation single sided connection A Collector temperature sensor field installed Legend Single array less than or equal to 8x flat plate collectors Vitosol 200 FM Type SV and SH Low Flow Operation single sided connection Vitosol Installation Examples ...

Страница 60: ...Type SV and SH High Flow Operation connection on alternate sides A Collector temperature sensor field installed Legend Multiple arrays less than or equal to 12x flat plate collectors per individual array Single array less than or equal to 12x flat plate collectors Vitosol 200 FM Type SV and SH Low Flow Operation connection on alternate sides Vitosol Installation Examples ...

Страница 61: ...s readily available but it can be either measured or estimated For calculating the demand and consumption of DHW we have to differentiate between the maximum demand of a point of use and the design consumption The maximum demand of a point of use is often based on the number of fixtures and forms the calculation base to safeguard the supply of sufficient DHW at all times It is the engineering vari...

Страница 62: ...ber of days per month see table below Npersons Number of people in the home or building Vperson Volume of hot water consumed per person each day 50 75 Liters per person per day p Density of water 1 kg L Cp Specific heat of water 4190 J kgºC T Temperature difference between hot water to be delivered from the storage tank and the cold water coming in from the well or city mains 50 ºC rise Se System ...

Страница 63: ...rage capacity will lead to higher temperatures in the collector loop resulting in low collector efficiency reduced system yields and collector stagnation In almost all cases more storage volume equals better system efficiency The amount of storage required is based on the type of solar application and the size of the collector array The following can be used as a guideline for selecting the solar ...

Страница 64: ...gina SK 5 4 9 4 13 7 19 0 21 9 23 9 24 2 20 1 14 5 9 8 5 5 4 2 St Johns NL 4 1 6 9 10 4 13 5 16 5 18 9 19 4 16 0 11 9 7 0 4 1 3 1 Iqualuit NU 0 8 3 4 9 3 17 4 21 6 20 8 17 8 12 6 7 6 3 4 1 1 0 4 Whitehorse YT 1 3 3 6 9 2 15 6 19 1 21 1 18 7 14 8 8 9 4 3 1 6 0 7 Yellowknife NT 1 1 4 2 10 9 18 2 20 3 22 5 20 6 15 3 8 8 3 5 1 4 0 5 Solar Radiation Data For Canada The details in the table below are on...

Страница 65: ...8 5 20 6 21 1 17 9 14 0 8 8 5 0 4 2 Jackson MS 9 4 12 4 16 2 19 9 22 1 23 1 22 2 20 8 17 8 15 1 10 7 8 8 Jefferson City MO 6 8 9 4 13 4 17 0 19 7 22 2 22 8 20 3 16 6 11 8 7 4 6 2 Helena MT 5 3 8 4 12 7 17 2 20 7 23 3 25 2 21 3 15 8 10 4 6 1 4 5 Lincoln NE 6 5 9 7 13 7 17 1 19 8 21 9 22 5 19 6 16 6 11 5 7 1 5 9 Carson City NV 8 3 11 6 16 2 21 3 25 2 27 5 28 2 25 0 20 6 14 9 9 3 7 5 Concord NH 6 9 1...

Страница 66: ...il The basis for sizing a solar thermal system for DHW heating is the DHW demand Viessmann solar packages are sized for a solar coverage up to 60 The tank capacity must be greater than the daily DHW demand taking the required DHW temperature into account To achieve solar coverage of approximately 60 the collector system must be sized so that the entire tank capacity can be heated on a single sunny...

Страница 67: ...r area should be for solar central heating backup The precise determination is then made taking into consideration the building conditions and the planning of an operationally reliable collector array The storage tank capacity must be sufficiently sized to minimize overheating At least 1 7 to 2 5 gallons of storage is required per ft2 of collector aperture area 70 to 100 L m2 A heat rejection circ...

Страница 68: ...200 750 4 3 45 170 4 60 230 250 950 5 5 75 280 6 90 340 7 105 400 300 1150 6 8 120 450 For low energy houses space and DHW heat demand less than 1 836 MBH ft2 50 kWh m2 per annum solar coverage of up to 35 relative to the total energy demand including DHW heating can be achieved according to this sizing For buildings with a higher heat demand the coverage will be much lower Commercially available ...

Страница 69: ...outdoor pools are mainly used between May and September Your energy consumption depends primarily on the leakage rate evaporation loss water must be replenished cold and transmission heat loss By using a cover the evaporation and consequently the energy demand of the pool can be reduced to a minimum The largest energy input comes directly from the sun which shines onto the pool surface Therefore t...

Страница 70: ...sity of water 1 kg L Specific heat of water 4190 J kgºC Temperature loss of pool water per day 1 C System efficiency 0 42 Solar radiation Boston 22 1 MJ m day Collector absorber area Vitosol 200 FM 2 32 m Nc 30 days x 54 126 L x 1 kg L x 4190 J kgºC x 1ºC 0 56 22 1 MJ m day x 1 000 000 x 30 days 2 32m 7 9x Vitosol 200 FM Note To prevent overheating it is recommended to round the quantity of collec...

Страница 71: ... collector arrays and low flow mode is often used for larger scale projects The optimum flow rate relative to the current tank temperatures and the current solar insolation level in systems with a Viessmann solar control unit will adjust itself automatically in matched flow operation Single array systems with Vitosol 200 FM can be operated without problems down to approximately 50 of the specific ...

Страница 72: ... 03 3 9 1 13 4 3 1 23 4 7 3 Collectors 0 77 2 9 0 92 3 5 1 08 4 1 1 23 4 7 1 39 5 2 1 54 5 8 1 69 6 4 1 85 7 0 4 Collectors 1 03 3 9 1 23 4 7 1 44 5 4 1 64 6 2 1 85 7 0 2 05 7 8 2 26 8 5 2 46 9 3 5 Collectors 1 28 4 9 1 54 5 8 1 80 6 8 2 05 7 8 2 31 8 7 2 56 9 7 2 82 10 7 3 08 11 7 6 Collectors 1 54 5 8 1 85 7 0 2 15 8 2 2 46 9 3 2 77 10 5 3 08 11 7 3 39 12 8 3 69 14 0 7 Collectors 1 80 6 8 2 15 8...

Страница 73: ...l systems with a collector area of up to 215 ft2 20 m2 The pressure drop of further solar circuit components can be seen from the technical documentation and is included in the overall calculation When calculating the pressure drop take into account the fact that the heat transfer medium has a different viscosity to pure water The hydraulic characteristics become more similar to water as the tempe...

Страница 74: ...l w c 29 39 49 60 72 86 100 116 ft hd 2 4 3 2 4 1 5 0 6 0 7 1 8 3 9 6 mbar 73 96 121 149 180 213 249 288 kPa 7 10 12 15 18 21 25 29 Design and Operation Example 3x Vitosol 200 FM collectors having a target flow rate of 0 018 USG min ft2 45 L h m2 3 x 25 ft2 x 0 0184 USG min ft2 1 4 USG min 3 x 2 32 m2 x 45 L h m2 60 min 5 2 L min Since the flow rate stated above is for the entire array this value ...

Страница 75: ... L 1 Copper Type L Flow Rate Pressure Drop Fluid Velocity Pressure Drop Fluid Velocity Pressure Drop Fluid Velocity USG min L h L min ft hd per 100 ft mbar m ft s m s ft hd per 100 ft mbar m ft s m s ft hd per 100 ft mbar m ft s m s 0 55 125 2 1 0 86 0 84 0 76 0 23 0 66 150 2 5 1 18 1 16 0 91 0 28 0 77 175 2 9 1 55 1 52 1 06 0 32 0 88 200 3 3 1 95 1 92 1 21 0 37 1 10 250 4 2 2 89 2 83 1 51 0 46 1 ...

Страница 76: ...6 09 5 97 2 32 0 71 1 75 1 72 1 32 0 40 0 57 0 56 0 82 0 25 2 64 600 10 0 8 38 8 22 2 79 0 85 2 41 2 36 1 59 0 48 0 79 0 77 0 98 0 30 3 08 700 11 7 10 97 10 76 3 25 0 99 3 16 3 09 1 85 0 57 1 03 1 01 1 14 0 35 3 52 800 13 3 13 86 13 60 3 72 1 13 3 99 3 91 2 12 0 65 1 30 1 27 1 31 0 40 3 96 900 15 0 17 04 16 71 4 18 1 28 4 90 4 80 2 38 0 73 1 60 1 57 1 47 0 45 4 40 1000 16 7 20 49 20 09 4 65 1 42 5...

Страница 77: ...lectors Recommended flow rate for the number of collectors per individual array USG min L min 1 Collector 0 26 1 0 0 31 1 2 0 36 1 4 0 41 1 6 0 46 1 7 0 51 1 9 0 56 2 1 0 62 2 3 2 Collectors 0 51 1 9 0 62 2 3 0 72 2 7 0 82 3 1 0 92 3 5 1 03 3 9 1 13 4 3 1 23 4 7 3 Collectors 0 77 2 9 0 92 3 5 1 08 4 1 1 23 4 7 1 39 5 2 1 54 5 8 1 69 6 4 1 85 7 0 4 Collectors 1 03 3 9 1 23 4 7 1 44 5 4 1 64 6 2 1 8...

Страница 78: ...r separator Solar thermal systems using a glycol based heat transfer medium must be vented for a longer period than systems that are filled with water We therefore recommend automatic ventilation in such systems For the construction and specification of air vent valves see page 39 The air vent valves are installed in the solar supply line at an accessible point in the installation room upstream of...

Страница 79: ... in accordance with the relevant regulations Being fail safe means the following The solar thermal system must not be damaged by stagnation The solar thermal system must not pose any risk during stagnation Following stagnation the solar thermal system must return to operation automatically Collectors and pipework must be designed for the temperatures expected during stagnation A Standard flat plat...

Страница 80: ...illed with steam must be taken into account when sizing the expansion vessel Steam spread greater than the pipe run in the solar circuit supply and return between the collector and the expansion vessel Planning a cooling line heat sink to protect the expansion vessel diaphragm against thermal overload see following diagrams Steam condenses again in this cooling line and reduces the liquefied heat ...

Страница 81: ... Copper Type L 7 8 O D x 0 025 0 31 1 Copper Type L 1 1 8 O D x 0 044 0 55 1a Copper Type L 1 3 8 O D x 0 066 0 81 1b Copper Type L 1 5 8 O D x 0 093 1 15 Stainless Steel Insulated Lineset x 0 020 0 25 1 2 Sch 40 Steel Pipe x 0 016 0 20 3 4 Sch 40 Steel Pipe x 0 028 0 34 1 Sch 40 Steel Pipe x 0 045 0 56 1 1 4 Sch 40 Steel Pipe x 0 077 0 96 1 1 2 Sch 40 Steel Pipe x 0 106 1 32 Total Liquid Content ...

Страница 82: ...e content of the collectors the heat exchanger and the pipework see page 81 β Expansion factor β 0 13 for Tyfocor HTL heat transfer medium from 4 to 248 F 20 to 120 C Vfv Liquid seal in the expansion tank 4 of the system volume min 0 8 USG 3 L Df Pressure factor pe 1 pe po pe Max system pressure at the safety valve in bar 90 of the safety valve response pressure pe 87 psi 0 90 78 psig 6 bar 0 90 5...

Страница 83: ... fluid can escape from the pressure relief valve or the air vent located at the collector This is achieved by the appropriate sizing of the expansion tank and matching of the system pressure Under cold fill conditions a minimum static fluid pressure must be maintained IMPORTANT CAUTION After de aeration the air vent c w shut off at top of system must be closed To protect the solar system from over...

Страница 84: ...rmine suitability CAUTION The pressure relief valve must be piped to the overflow container or drain at all times since excessively hot fluid can discharge from the system Design and Operation Solar Pressure Relief Valve Static Head vertical height Cold Fill Fluid Pressure Cold Fill Gas Pressure ft m psig bar psig bar 3 1 45 5 3 1 41 1 2 8 7 2 47 0 3 2 42 6 2 9 10 3 48 4 3 3 44 0 3 0 13 4 49 9 3 4...

Страница 85: ...e collector array consisting of 1 to 12 collectors Design and Operation Fast Air Vent C W Shut Off 1 to 12 Vitosol 200 FM Collectors 10 ft 3 m of horizontal pipe one way distance Static Head 16 ft 5 m of vertical pipe 33 ft 10 m of vertical pipe 49 ft 15 m of vertical pipe one way distances Solar Flow Rate 0 0184 gpm ft 45 L hr m 1 5 ft 0 5 m of vertical pipe one way distance Overflow Container Ex...

Страница 86: ...6 6 25 49 15 8 0 30 10 6 40 2 Collectors 16 5 7 9 30 4 8 18 33 10 8 3 31 6 6 25 49 15 8 7 33 13 2 50 3 Collectors 16 5 8 5 32 6 6 25 33 10 8 9 34 10 6 40 49 15 9 3 35 13 2 50 4 Collectors 16 5 11 2 42 6 6 25 33 10 12 0 45 10 6 40 49 15 12 8 49 21 1 80 5 Collectors 16 5 11 8 45 6 6 25 33 10 12 7 48 10 6 40 49 15 13 5 51 21 1 80 6 Collectors 16 5 12 5 47 6 6 25 33 10 13 3 50 10 6 40 49 15 14 1 54 21...

Страница 87: ...heck local codes to determine requirements for this function High Limit Safety Cut out Additional Function for DHW Heating We recommend that the heating operation take place in the late afternoon This will help ensure that the lower tank area or the preheating stage is cold again following the expected draw offs evenings and the following morning and can subsequently be heated up again by solar en...

Страница 88: ...lation inlet on the Vitocell tank and the cold water inlet on the mixing valve To avoid incorrect circulation a check valve must be installed see page 87 The bypass line will be used when the storage tank temperature is at a higher temperature than the DHW service temperature and there is no DHW being consumed in the building and the DHW circulation pump is operating The bypass line ensures that t...

Страница 89: ...damage 1 year Solar controller is functional without any alarms or faults indicated 1 year Solar control accessories and monitoring equipment is functioning correctly 1 year Solar heat transfer fluid pH tested with test strips normal 7 5 8 5 1 year Solar heat transfer fluid freeze point checked with refractometer 1 year Solar heat transfer fluid is not thermally stressed or degraded black or foul ...

Страница 90: ... by some national regional and local authorities Further information is available from our sales offices All Vitosol collectors are certified to Solar Keymark and SRCC OG 100 standards The approval of solar thermal systems is not universally regulated Your local planning office will be able to advise you on whether solar thermal systems need planning permission Viessmann solar collectors are teste...

Страница 91: ...t in the absorber of the collector and delivers it to a consumer heat exchanger Radiation energy Volume of energy transmitted by radiation Selectively coated surface The absorber in the solar collector is highly selective coated to improve its efficiency This specially applied coating enables the absorption to be maintained at a very high level for the sunlight spectrum that hits the absorber appr...

Страница 92: ...Technical information subject to change without notice Printed on environmentally friendly recycled and recyclable paper Solar System Design Guide 6020 457 01 Scan for digital copy of this document ...

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