Electrical Diagram - Bosch Evolution 500 Instruction Manual
Temperature modulated with electronic ignition suitable for heating potable water - not approved for space heating purposes
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Also See for Evolution 500:
- Instructions for use manual (40 pages) ,
- Installation manual (6 pages) ,
- Service bulletin (2 pages)
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9
Electrical diagram
16
20
19
18
17
21
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
13
Primary fan
14
ON/OFF switch
15
Secondary fan
16
AC plug
17
Main connection
Ignition electrodes
18
19
Ground post
20
Antifreeze kit connection
Fuse
21
22
Fuse
6 720 680 223
15
13
M
M
22
12
M
PS
E
T=104°C
T=220°F
16
...
1
20
...
14
JP2
JP8
JP7
JP6
JP5
6720608542-04.1AL
Electrical diagram
11
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
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