Bosch Optiflow GWH20 3 CT E23 F6 L S2405 - Electrical Diagram; Wiring Schematic

6 720 817 545 (2016/02) Optiflow
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] By-pass valve
[8] Modulation electrovalve (gas)
[9] Segmentation electrovalve 1 (gas)
[10] Segmentation electrovalve 2 (gas)
[11] Safety electrovalve (gas)
[12] Thermal fuse
[13] Water flow sensor
[14] Air temperature sensor
[15] Hot water temperature sensor
[16] Cold water temperature sensor
[17] Water valve
[18] Outlet water temperature sensor
230 V
AC
M1
5
1,2
3,4
5,6
7,8
9,10
11,12
13,14
10
15,16
1,2
3,4
5,6
7,8
9,10
11,12
13,14
M
6720813761-15.1V
1
32
4
6
7
8
9
11
13
14
15
16
17
18
12