Electrical Diagram - Bosch Therm C 1210 ES Installation And Operating Instructions Manual

Indoor residential and commercial models

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Electrical diagram

Fig. 69

Electrical scheme

[1] Inlet water temperature sensor

[2] Outlet water temperature sensor

[3] Backflow 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

[11] Exhaust temperature sensor

[12] Water valve

[13] Primary fan

[14] ON/OFF switch

[15] Secondary fan

[16] Power supply cord

[17] Power connection

[18] Ignition electrodes

[19] Ground post

[20] Antifreeze kit connection

[21] Fuse

[22] Fuse

C 1210ES/ESC – 6 720 644 887 (2022/04)

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Therm c 1210 esc