Bosch AquaStar 250SX NG - Technical Information and Diagrams; Electrical and Functional Schematics

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Electrical diagram
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6 Electrical diagram
Fig. 37 Electrical scheme
1 Intlet water temperature sensor
2 Ionization sensor
3 Water flow sensor
4 Over heat protection
5 Temperature limiter
6 Gas valve
7 Fan
8 Water valve
9 AC Plug
10 Ignition electrode
11 Display PCB
12 ON/OFF switch
13 Fuse T 2,5A
14 Fuse T 3,15A
15 Terminal block
16 Ground post
17 Outlet water temperature sensor