SHW Tech Specs
System type: Active drainback
Location: Ashland, Oregon
Solar resource: 4.9 daily peak sun-hours
Annual production: 2,630 kWh (estimated)
Percent of hot water offset: 75% to 85%
Collectors: 2 Solene Aurora, 4 ft. x 8 ft.
Collector installation: Roof-mounted at 10° tilt
Heat-transfer fluid: Water, with corrosion inhibitor
Circulation pump: Grundfos 15-58
Pump controller: Goldline GL-30
Storage & backup tank: Rheem 82V120HE-1, 120 gal.
Heat exchanger: Integrated into tank
System Performance Metering
Thermometer: 3 Pasco
Flow meter: Letro 5 gpm