8 | Product details
2.9
Electrical wiring diagram
18
1
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)
6 720 817 545 (2016/02)
13,14
11,12
9,10
7,8
5,6
3,4
1,2
15,16
13,14
11,12
9,10
7,8
5,6
3,4
1,2
17
M
2
M1
[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
3
230 V
AC
4
5
6
7
8
9
10
11
12
13
14
15
16
6720813761-15.1V
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