1. Product Description
SR881 EPP solar workstation is uesd forsplit pressurized solar water heater systems.It has flow control, heat cycle, exhaust, pressure control, temperature display, system injection / drain and many other functions.By connecting solar collectors and split pressurized water tanks,store solar energy in a water tank.It can monitor system temperature, pressure, flow and so on at any time.
RS881 single line pump station
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)
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)
Recovery to factory setting
Temperature query function
2. Technical Parameters
Contactor unit of high power: SR802
When user selects electrical heater as back-up device, we recommend using SR802 unit connecting controller and electrical heater.
Technical data of SR802 Dimension: 100mmx100mmx65mm.
Power supply:180V～264V/AC 50/60Hz.
Suitable power: ≤ 4000W.
Available ambient temperature: -10 ~ 50oC Water proof grade: IP43.
SR802 Connection Diagram:
3. Product Installation
3.1 SR881 Installation diagram
3.2 SR881 Installation manual download:
Optional Instruction of solar pump station SR881