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Operating instructions
4.8 Electrical diagram
Fig. 38 Electrical scheme
10 Flame sensor
11 Ignitor electrode
12 Gas valve
13 Junction box (wiring of tank pump)
14 Fan
15 Temperature limiter / ECO
16 Differential pressure switch
17 TT connection - under low voltage cover plastic
18 Domestic hot water temperature sensor (12kOhm only -
under low voltage cover plastic)
19 LED
20 Fuse (3.15)
NOTICE: Except for the fuse, there are no serviceable
parts inside the electronics.
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