Solar pump block

SR881 solar collector control
Size: 400 x 200 x 145 mm
Pump: Wilo 15-6 + another max. 200W pump!
Connecting cable: 1.5 meters
Connectors: 3/4"
Pressure gauge: 1-6 bar
Safety valve: 6 bar
Thermometer: 0-120 °C
Max. operating temperature 120'C
Flow meter
2 flow regulators (both electronic and manual)
Shut-off tap with non-return valve,
Filling tap
Expansion tank connection point

More information:

Pump station

1 circuit solar collector control with WILO pump.
2 tanks and 1 collector with heat probe
The entire station is covered with polystyrene insulation.
Time display (hour and week)
Freeze protection
Water temperature display (tank, collector)
Memory function in case of power failure
ΔT controlled circulation
Display in case of sensor error
Time-controlled hot water circulation
Flow volume display
Time controlled heating
System pressure display (separate instrument)
Interval temperature controlled heating support
Max. collector temperature (collector cooling)
Max. tank temperature (tank cooling)
"Free" function

Inputs and outputs
1 collector temperature sensor
2 tank bottom-top temperature sensors
1 second pump
1 heating cartridge, max 1500W

Solar collector control with SR881 pump station with WILO pump

Solar pump block

Pump station