Electrical Diagram - Bosch GWH 2700 ES LP User Manual

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Electrical diagram

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20
19
18
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Fig. 59 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 Jumper resistance
12 Water valve
Primary fan
13
14 ON/OFF switch
15 Secondary fan
AC plug
16
17 Main connection
18 Ignition electrodes
Ground post
19
20 Antifreeze kit connection
21 Fuse
22 Fuse
6 720 608 542
15 13
M M
22
12
M
E PS
T=104°C
T=220°F
16 ... 1 20 ...
14 JP2
JP8
JP7
JP6
JP5
6720608542-04.1AL
Electrical diagram
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10
9
T=110°C
T=230°F
8
7
FS
6
Casc.
5
input
Casc.
output
Back flow
1
4
3
2
1
45