13
SOLAR THERMAL
Pipework layout
Solar DHW heating and central heating backup with dual
cylinder SED
1.
Collector array
11. Three-way diverter valve
2.
Air vent trap
12. Return temperaure sensor
3.
Collector sensor
13. Cylinder sensor, heating water
4.
Temperature differential control unit (e.g. SM1)
14. Boiler with control R2
5.
Pump/fitting assembly 5
15. Thermostatic DHW mixing valve
6.
Solar control unit cylinder sensor
16. Flow sensor mixing valve circuit
7.
Fill & drain valve
17. Mixing valve circuit pump
8.
Dual cylinder SED
18. Mixing valve motor
9.
Mixer module MM (config. 4)
19. Cylinder charging pump, heating water
10. Buffer sensor
Solar Brochure EXTRA:Layout 1 19/02/2010 12:50 Page 13