Electrical Wiring Diagram - Bosch OptiFlow Professional GWH12 1 CTD E23 F3 OL Installation Manual

8 | Product details
2.9

Electrical wiring diagram

Fig. 3 Electrical diagram
[1] Flame sensor rod
[2] Fan
[3] Ignition electrode
[4] Power supply
[5] Connection for frost-protection device
[6] Connection for remote control (optional)
[7] Modulation electrovalve (gas)
[8] Segmentation electrovalve 1 (gas
6 720 810 559 (2016/06)
[9] Segmentation electrovalve 2 (gas)
[10] Safety electrovalve (gas)
[11] Thermal fuse
[12] Water flow sensor
[13] Air temperature sensor
[14] Hot water temperature sensor
[15] Cold water temperature sensor
[16] Water valve
OptiFlow Professional