A.O. Smith Custom Commercial Solar Water Heating Systems Technical Documents
Contents
1. AG their distribution partners or SPF do not accept any liability for the correctness of the specifications and the results Professional Report Storage tank Solar Preheat Tank Volume Height Material Insulation Thickness of insulation Heat loss Connection losses Loop Solar loop Fluid mixture Fluid concentration Fluid domains volume Pressure on top of the circuit Solar thermal energy to the system Qsol SJV 1000T gal ft kBtu kBtu gal psi Smith 1 011 9 42 Enameled steel Fibreglass and mineral wool matting 3 3 970 9 773 2 Propylene mixture 43 51 9 10 kBtu 4 7 V5 10 13 17087 27 11 2012 15 32 53 Aug Sep Vela Solaris AG their distribution partners or SPF do not accept any liability for the correctness of the specifications and the results Professional Report lt 6 Smith Heat generator energy to the system solar thermal energy not included Qaux kBtu 1200 1100 1000 900 800 700 600 500 400 300 200 100 eee Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Solar fraction fraction of solar energy to system SFn 100 90 80 70 60 50 40 30 20 Dey mnnn S a So Da Year Jan Feb gt v C C T iQ O g 2 O MD O Sep Total fuel and or electrical en2. 1398 1371 1442 1383 1468 1525 1590 1501 1364 Heat loss to surroundings without collector losses Qext kBtu 4697 410 388 447 404 364 320 321 373 421 458 397 Total energy consumption Quse kBtu 24070 22213 20547 22605 21109 20673 18651 18501 18249 18034 19348 19507 Collector North America Daily maximum temperature F 180 160 140 120 80 60 40 20 100 6 7 V5 10 13 17087 27 11 2012 15 32 53 Vela Solaris AG their distribution partners or SPF do not accept any liability for the correctness of the specifications and the results Smith Dec 11461 11089 11551 50 8 11573 28302 22 1385 394 21267 Professional Report Energy flow diagram So0l175 095 kBtu Solar thermal energy to the system BUsevvarn Vater 240 705 KBtu Domestic hotwater energy consumption EAU 8 054 kBtu Heat generator fuel and electrical energy consumption HLoss 4697 KBtu Heat loss to surroundings lnt 17 084 kKBtu EPar 336 kBtu Heat loss to indoor room Pump energy consumption 7 7 V5 10 13 17087 27 11 2012 15 32 53 Vela Solaris AG their distribution partners or SPF do not accept any liability for the correctness of the specifications and the results
3. Professional Report Closed loop Solar System Smith Closed loop Solar Preheat with Back Up Heater Location of the system Richmond Longitude 77 52 Latitude 37 582 Elevation 217 ft This report has been created by A O Smith Water Heating Renewables Daniel Booth 25589 Hwy 1 29101 McBee SC System overview annual values Total fuel and or electrical energy consumption of the system Etot Total energy consumption Quse System performance Quse Etot Comfort demand 1 7 Cg L 4 J a Eee eee or ve oj HE Map section p 1 mnga ay it ig al a 6 Poughkeepsie Hartford f r H i io te ae Elesdand hai A rie Ab ee Leeks T F i A a T ans oe a ae a i Wilkes Barre a4 e nen TOA ty E See en ithe egal sai i ec he Ponisvitana F Hareto Fi lto T JHE ae 2 Canton H ote e eee ai ann f oe Fons et elle oe aera Allentown tElizabett a J Pittsbungh jt E r ii New Brunswick Ghio eee aE J Hamburg USING it Trenton e fe mae J aaa a I ae Wheeling i rf Sma r i Be n Phere Meyer urs 1 i J l p T j Yok 4 aa ag T 1 a sale tt wiimngin Quarries es a _ ok Pi f Too ag w Mhe al Pa f w imore By Winchester pA E Dover x M R T a ee Washington i Eai 1 l ye 7 52 Alt 66 TZ 5 6 i geep T oh 5 Pach meai i a THE M TI p anake i Aa Petersburg a Newport News Virginia Beach Sultolk 1 m J Greer iabor
4. ergy consumption of the system Etot kBtu 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 E e nu ee a EEE m Sa Year Jan Feb Mar 2 C 5 Q 3 iQ e2 1 GT QO 2 2 D O 5 7 V5 10 13 17087 27 11 2012 15 32 53 Vela Solaris AG their distribution partners or SPF do not accept any liability for the correctness of the specifications and the results Professional Report Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Solar thermal energy to the system Qsol kBtu 17509 11820 12526 15454 15454 15439 15260 15898 17029 15515 16327 12911 Heat generator energy to the system solar thermal energy not included Qaux kBtu 83572 11549 9428 8782 6894 6845 4797 4211 3388 3802 4771 8014 Heat generator fuel and electrical energy consumption Eaux kBtu 87054 12030 9821 9148 7181 7130 4997 4387 3529 3960 4970 8348 Solar fraction fraction of solar energy to system SFn 67 7 50 6 57 1 63 8 692 69 3 76 1 79 1 834 80 3 77 4 61 7 Total fuel and or electrical energy consumption of the system Etot kBtu 87390 12053 9843 9176 7211 7162 5029 4421 3563 3989 4998 8372 Irradiation onto collector area Esol kBtu 42915 30561 31354 38578 38514 38637 37308 38238 39882 37530 39067 31184 Electrical energy consumption of pumps Epar kBtu 336 22 22 28 30 32 32 35 34 29 28 24 Heat loss to indoor room including heat generator losses Qint kKBtu 17084 1394 1263
5. fications and the results Professional Report Component overview annual values Collector North America Data Source Number of collectors Number of arrays Total gross area Total aperture area Total absorber area Tilt angle hor 0 vert 90 Orientation E 90 S 0 W 90 Collector field yield Qsol Irradiation onto collector area Esol Collector efficiency Qsol Esol Direct irradiation after IAM Hot water demand Volume withdrawal daily consumption Temperature setting Energy demand Qdem External heat exchanger Transfer capacity Pump Solar Loop pump Circuit pressure drop Flow rate Fuel and electrical energy consumption Epar Pump Solar Tank Pump Circuit pressure drop Flow rate Fuel and electrical energy consumption Epar Storage tank Back Up Heater Volume Height Material Insulation Thickness of insulation Heat loss Connection losses 3 7 CR 140 A P ft ft ft 6 ie kBtu kBtu kBtu Constant gal d E KBtu SRCC 20 3 798 68 728 286 128 29 48 0 175 094 9 429 155 8 40 8 220 665 8 1 851 7 120 247 992 Watts AOSmith 160kBtu h W K 3 953 Pump Eco medium psi gpm kBtu 1 966 14 6 168 2 Pump Eco medium psi gpm kBtu 1 661 14 6 168 2 Cyclone BTH 300 Tank gal V5 10 13 17087 27 11 2012 15 32 53 130 5 25 Enameled steel Flexible polyurethane foam 2 1 869 3 804 5 Vela Solaris
6. o Durham i I P a Tpit tor y Marti Caria Charlotte rh P Fayetteville 87 390 kBtu 240 704 7 kBtu 2 75 Energy demand covered V5 10 13 17087 27 11 2012 15 32 53 Vela Solaris AG their distribution partners or SPF do not accept any liability for the correctness of the specifications and the results Professional Report Overview solar thermal energy annual values Collector area Solar fraction total Total annual field yield Collector field yield relating to gross area Collector field yield relating to aperture area Max fuel savings Max energy savings Max reduction in COz emissions Solar fraction fraction of solar energy to system 798 7 ft 67 7 175 094 9 kBtu 219 2 kBtu ft Year 240 4 kBtu ft Year 1 785 7 therms Natural gas H 182 390 5 kBtu 27 291 5 pound Horizon line SFn o0 100 80 90 70 80 70 a 60 mh 60 c 40 x 50 ay a 40 3 30 30 20 20 10 10 0 po S S S S S S S E A i Year Feb Apr Jun Aug Oct Dec 175 150 125 100 75 50 25 O 25 50 75 100 125 150 175 Jan Mar May Jul Sep Nov East Azimuth West Meteorological data Overview Average outdoor temperature Global irradiation annual sum Diffuse irradiation annual sum 2 7 58 3 F 487 3 kBtu ft 212 5 kBtu ft V5 10 13 17087 27 11 2012 15 32 53 Vela Solaris AG their distribution partners or SPF do not accept any liability for the correctness of the speci
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