Audited Supplier
SR201 1500W Solar Controllers for Compact Low Pressurized Solar Water Heater
1.1 Overview
SR201 microcomputer automatic controller is used for intelligent control of Integrated non-pressure solar water heater. It is developed with the latest NEC high-performance single-chip microcomputer and realizes intelligent control. All devices adopt industrial grade standard and can operate freely in cold, high temperature and humid environment. At the same time, the clock chip is used to make the time control accurate. The controller LCD liquid crystal display, beautiful appearance, stable and reliable performance, easy installation, is the most ideal accessory product for Integrated non-pressure solar water heaters.
1.2 Function
The SR201 solar controller can display the water temperature and water level; control the water tank water supply through water temperature, water level and time setting; and can control the electric heating and other ancillary equipment to fully control the solar water heater. The list of more features is as follows:
2. Three-period control of timing water supply and timing heating
3. Pipe insulation (heating belt) function
4. Water pump (boost) function
5. Hot water circulation function
6. Delayed water filling function for water shortage
7. Conversion between Celsius and Fahrenheit
8. Buzzer fault alarm function
9. Forced water filling function
10. Manual water filling function
11. Manual heating function
12. Water tank high temperature protection
13. High temperature protection of collector tube
14. Water tank antifreeze protection function
15. Low water pressure protection
16. Water overflow protection
17. Power off memory protection
18. Screen saver
1.3 Packing list
| Configuration List | Quantities | Remarks |
| Controller | 1pc | SR201 |
| User manual | 1pc | |
| Sensor of water temperature and water level | 1pc | with cable of 20m |
| Solenoid valve | 1pv | |
| Accessories | 1bag | |
| 10A power cable | 1pc | exclude in SR201-3KW version |
2.1 Technical Parameters
Power supply:AC100-240V,50-60Hz
Power consumption:< 3W
Accuracy of temperature measuring: ±1ºC
Range of tank temperature measuring: 0 ~100 ºC
Outputs:4 electromagnetic relays
Ambient temperature :-10ºC ~ 50ºC
Water proof grade:IP40
2.2 Size
187mm×45mm×12mm
2.3 Optional accessories
3.1 SR501 installation diagram ia as follows:
