SR881 Wilo Solar Pump Station , Solar Thermal Pump Station Low Power Consumption

SR881 Wilo Solar Pump Station , Solar Thermal Pump Station Low Power Consumption

Introduce:

Max.number of collectors:1

Max.number of storage tanks:1

Max.number of relays:2

Max.number of sensors:3

Max.number of application system:1

TECHNICAL DATA:

Diamension:400mm*200mm*145mm
Installation: wall mountingalso suitable for mounting into patch panels
Power supply:200V-240V AC or 100V-130V AC50-60Hz. .
Power consumption: < 3W
Accuracy of temperature measuring: ± 2oC
Range of collector temperature measuring: -10 ~200oC
Range of tank temperature measuring: 0 ~110oC
Suitable power of pump: 2 pumps possible to be connected power of each pump < 200W .
Inputs: 3 sensors
Pt1000 sensor (≤500oC) for collector (silicon cable≤280oC)
NTC10K B3950 sensor (≤ 135oC) for tank (PVC cable ≤105oC)
Outputs:2 relays for circulation pumps or 3-way electromagnetic valve
Ambient temperature:-10oC ~ 50oC.
Water proof grade: IP40.

MAIN FUNCTION:

Timing heating
Temperature difference control 1*ΔT
Collector emergency shutdown
Collector cooling function
Collector low temperature protection
Collector frost protection
Tank re-cooling function
Celsius and Fahrenheit temperature switch
Maximum temperature of tank(max.number 1)
Anti-Legionella function
Temperature controlled hot water circulation pump
RPM speed controlling(1*semiconductor)
Thermal energy measuring
Pump interval functions.
High temperature by-pass function
Manual Control( for 2 outputs:P1H1)
Password setting
Recovery to factory setting
Holiday fucntion
Manual Heating
Temperature query function
Memory Protection
Screen protection
Trouble shooting
Trouble protection
Trouble checking