14
SOLAR THERMAL
Pipework layout
Solar DHW heating and central heating backup with
solar cylinder SEM-1 and buffer cylinder SPU-2-W
1.
Collector array
12. Mixer module MM (config. 4)
2.
Air vent trap
13. Buffer cylinder sensor
3.
Collector sensor
14. Return temperature sensor
4.
Temperature differential control unit (e.g. DigiSolar)
15. Three-way diverter valve
5.
Pump/fitting assembly
16. Cylinder sensor, heating water
6.
Pump/fitting assembly extension
17. Boiler with control R2
7.
Fill & drain valve
18. Cylinder charging pump, heating water
8.
Buffer cylinder SPU-2-W
19. Mixing valve motor
9.
Solar circuit cylinder sensor (buffer cylinder)
20. Mixing valve circuit pump
10. DHW cylinder
21. Flow sensor mixing valve circuit
11. Solar circuit cylinder sensor (DHW)
Solar Brochure EXTRA:Layout 1 19/02/2010 12:50 Page 14