Professional Report. Map section. Location of the system. Valkkinen Longitude: Latitude: Elevation: 89 m

Transcription

1 Puulämmitys 6 x SF3 Location of the system Map section Valkkinen Longitude: Latitude: Elevation: 89 m This report has been created by: Samppa Takala Samppa Takala Nyrhintie Pori [email protected] Comments on the project Sundial Finland Oy 1 / 8 V / / 21:38:24

2 System overview (annual values) Total fuel and/or electrical energy consumption of the system [Etot] Total energy consumption [Quse] System performance (Quse / Etot) 0.94 Comfort demand 20,831.8 kwh 19,489 kwh Energy demand for domestic hot water not met Overview solar thermal energy (annual values) Collector area 13.2 m² Solar fraction total 32.9% Solar fraction hot water [SFnHw] 47.4 % Solar fraction building [SFnBd] 22.1 % Total annual field yield 7,051 kwh Collector field yield relating to gross area kwh/m²/year Collector field yield relating to aperture area kwh/m²/year Max. fuel savings 2,256.3 kg: [Firewood] Max. energy savings 9,401.3 kwh Max. reduction in CO2 emissions kg Solar fraction: fraction of solar energy to system [SFn] Horizon line Meteorological data-overview Average outdoor temperature 4.7 C Global irradiation, annual sum kwh/m² Diffuse irradiation, annual sum 425 kwh/m² 2 / 8 V / / 21:38:24

3 Component overview (annual values) Boiler Firewood 50kW Power kw 50 Total efficiency % 69.3 Energy from/to the system [Qaux] kwh 14,403.8 Fuel and electrical energy consumption [Eaux] kwh 20,782.6 Energy savings solar thermal kwh 9,401.3 CO2 savings solar thermal kg Fuel savings solar thermal kg 2,256.3 Collector Sundial SF3 - DS Data Source u Number of collectors 6 Number of arrays 1 Total gross area m² 13.2 Total aperture area m² 12 Total absorber area m² 12 Tilt angle (hor.=0, vert.=90 ) 40 Orientation (E=+90, S=0, W=-90 ) 0 Collector field yield [Qsol] kwh 7,051 Irradiation onto collector area [Esol] kwh 14,004.3 Collector efficiency [Qsol / Esol] % 50.3 Direct irradiation after IAM kwh 7,943.8 Building - Heated/air-conditioned living area m² 150 Heating setpoint temperature C 20 Heating energy demand excluding DHW [Qdem] kwh 12,500 Annual specific heating energy demand kwh/m² 83.3 Useful heat gain kwh 12,499.9 Total energy losses kwh 25,000 Heating element Floor heating Floor heating Number of heating/cooling modules - 8 Power per heating element under standard conditions W 1,000 Nominal inlet temperature C 40 Nominal return temperature C 35 Net energy from/to heating/cooling modules kwh 12,490.5 Hot water demand Constant Volume withdrawal/daily consumption l/d Temperature setting C 58 Energy demand [Qdem] kwh 7, / 8 V / / 21:38:24

4 Pump Solar loop pump Eco, medium Circuit pressure drop bar Flow rate l/h 180 Fuel and electrical energy consumption [Epar] kwh 42 Pump Space heating loop pump Eco, small Circuit pressure drop bar Flow rate l/h Fuel and electrical energy consumption [Epar] kwh 7.3 Storage tank l combi for heat pumps Volume l 2,500 Height m 2 Material Steel Insulation Rigid PU foam Thickness of insulation mm 80 Heat loss kwh Connection losses kwh Loop Solar loop Fluid mixture Propylene mixture Fluid concentration % 33.3 Fluid domains volume l 42.9 Pressure on top of the circuit bar 4 Solar thermal energy to the system [Qsol] kwh 4 / 8 V / / 21:38:24

5 Heat generator energy to the system (solar thermal energy not included) [Qaux] kwh Solar fraction: fraction of solar energy to system [SFn] % Total fuel and/or electrical energy consumption of the system [Etot] kwh 5 / 8 V / / 21:38:24

6 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Solar thermal energy to the system [Qsol] kwh Heat generator energy to the system (solar thermal energy not included) [Qaux] kwh Heat generator fuel and electrical energy consumption [Eaux] kwh Solar fraction: fraction of solar energy to system [SFn] % Total fuel and/or electrical energy consumption of the system [Etot] kwh Irradiation onto collector area [Esol] kwh Electrical energy consumption of pumps [Epar] kwh Total energy consumption [Quse] kwh Heat loss to indoor room (including heat generator losses) [Qint] kwh Heat loss to surroundings (without collector losses) [Qext] kwh / 8 V / / 21:38:24

7 Collector Daily maximum temperature [ C] 7 / 8 V / / 21:38:24

8 Energy flow diagram (annual balance) 8 / 8 V / / 21:38:24