12
Interior components diagram and parts list
12.1 Interior components
1
2
3
4
5
6
7
8
9
Fig. 73 Components
1
Flue gas collector
2
Heat exchanger
3
Flame sensor
4
Primary fan (Mixer)
5
Outlet temperature sensor
6
LCD display
7
On/Off button
8
Reset button
9
Program key
10
Flue gas limiter
11
Heat exchanger overheat sensor
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Interior components diagram and parts list
6720608158-39.2V
12
Ignition electrodes
13
Observation window
14
Backflow temperature sensor
15
Secondary air fan
16
Gas valve
17
Water valve with engine and temperature sensor
18
Control unit
19
Up button
20
Down button
21
LED
10
11
12
13
14
15
16
17
18
19
20
21
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