SED-750/250 Pipework Layout

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Solar DHW heating and central heating backup with dual cylinder SEM-1 750/250


1- Collector array

2- Air vent trap

3- Collector sensor

4- Temperature differential control

5- Pump/fitting assembly

6- Solar control unit cylinder sensor

7- Fill drein valve

8- Dual cylinder SED 750-250

9- Mixer moduel MM

10- Buffer sensor

11-Three- way diverter valve

12- Return temperature sensor

13- Cylinder sensor, heating water

14- Boiler with control R-2

15- Termostatic DHW mixing valve

16- Flow sensor mixing valve circuit

17- Mixing valve circuit pump

18- Mixing valve motor

19- Cylinder charging pump, heating water