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Copyright Solar Wave Energy

Stiebel Eltron Solar Heating System

Residential Domestic Hot Water

Western Massachusetts USA

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Imperial/Metric Units: Switch
To change time, click and drag scroll bar at bottom of schematic. The selected time can be seen on the clock.

Hold mouse over sensor to view sensor names.

Select a day or week from calendar. This will show the average of dates selected. (ex. Tank Sensor average at 1:00pm for 1 week)

Color of sensor bubble changes as the sensor value changes. Blue indicates a low value, and red indicates a high value.

Available Sensors:
Collector (S1)
Tank Bottom (S2)
Solar Loop Cold (GDA1_RPD)
Solar Loop Flow (Minomess)
Pressure (GDA1_RPD)
Solar Loop Pump (R1)
Outdoor Ambient Temp
Use calendar to view different time spans.

Click on plot area to zoom in.

monthSummary summary
1 Therm = 100,000 BTU = 29.3 kWh
Raw data summary
Use calendar to view different time spans.

First Data Point 3-25-2018

Residential Steam Back System

Site contains:

  • 3 Stiebel Eltron SOL 27 Premium S Flat Plate Collectors. SRCC#: 2011035A
  • Gross Area of Collectors: 82.2 sq. ft (7.638 sq. m)
  • Collector Tilt Angle: 53 Degrees
  • Azimuth: 158 degrees (south east)
  • 50% Dowfrost HD Glycol in collector loop
  • FlowCon FA pump Station
  • Wilo Star S 16 Pump set to Medium (2)
  • Minol Minomess 130 Flow Meter
  • Grundfos RPD Pressure/Temperature Sensor
  • Stiebel Eltron SOM 9+ Controller
  • A Thermal-Grid DL2 to send the data to the servers
  • Solar Thermal offsets oil usage
  • Rated Power Output: 5.35 kW
  • 160 Gallon Stiebel Eltron SBB 600+ Storage Tank