Electrical Diagram - Bosch Integra 500 Installation Manual

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Electrical diagram

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20
19
18
17
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Fig. 65 Electrical scheme
1 Intlet 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 AC plug
17 Main connection
18 Ignition electrodes
19 Ground post
20 Antifreeze kit connection
21 Fuse
22 Fuse
6 720 680 226
15 13
M M
22
12
M
E PS
T=104°C
T=220°F
16 ... 1 20 ...
14 JP2
JP7
JP5
6720608158-01.1AL
Electrical diagram
T=90°C
T=194°F
11
10
9
T=110°C
T=230°F
8
7
FS
6
Casc.
input
Casc.
output
1
JP8
JP6
5
4
3
Back flow
2
1
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