solar controller

System2:
1 collector array - 2 storage tanks - 2 pumps
System3:
1 collector array - 2 storage tanks - 1 pump - 1 electromagnetic valve
System4:
2 collector arrays (east/west roof) - 1 storage tank - 2 pumps
System5:
2 collector arrays (east/west roof) - 1 storage tank - 1 pump - 1 electromagnetic valve
System6:
Electromagnetic valve controlled 2 collector arrays (east/west roof) - 2 storage tanks - 1 pump - 2 electromagnetic valves
System7:
Electromagnetic valve controlled 2 collector arrays (east/west roof) - 2 storage tanks - 2 pumps - 1 electromagnetic valve
System8:
Pump controlled 2 collector arrays (east/west roof) - 2 storage tanks - 2 pumps - 1electromagnetic valve
2. Time/weekday display
3. Temperature difference setting
4. Overheating protection function (protection of tank at high temperature)
5. Recooling function of collector
6. Emergency cut-off function
7. Limited operation of collector at low temperature
8. Frost protection
9. Temperature controlled hot water circulation (P1)
10. Time controlled auxiliary heating (constant temperature maintaining)
11. Time controlled hot water circulation (P2)
12. Holiday function
13. Memory function
14. Anti-legionella function
15. Auxiliary function: [a] Temperature difference controlling , [b] High temperature by-pass
16. Reset function

Main technical data
1. Dimension:210mm

solar controllers make the split solar water heater more automatic