Electrical diagram
9Electrical diagram
Fig. 58 Electrical scheme
1Intlet water temperature sensor
2 Outlet water temperature sensor
3 Exhaust temperature sensor
4 Cascading output connection
5 Cascading input connection
6 Ionization sensor
7 Water flow sensor
8 Flue gas limiter
9 Heat Exchanger Overheat Sensor (ECO)
10 Gas valve
12 Water valve
13 Primary fan
14 ON/OFF switch
15 Secondary fan
16AC plug
17Main connection
18Ignition electrodes
19Ground post
20Antifreeze Kit connection
21Fuse
22Fuse
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