3
Failures / Errors
GB012 - 25K
30
Key to Figures :
1
Expansion vessel
2
Flue gas temperature limiter (STB)
3
Condesing-Heat Exchanger (Recuperator)
4
Water level switch (Condensate backup sensor)
5
Combustion chamber
6
Distribution pipe (Inj. nozzle)
7
Ionisation electrode
8
Safety valve (heating circuit)
9
Autom. air vent valve
10
Circulation pump
11
Pump speed switch
12
Condensate siphon
13
Turbine
14
Condensate water hose
15
Manometer
16
(-) Button
17
Mode Button
18
(+) Button
19
Display
20
Stand-by (On/off) Button
21
Control unit
22
Water filling valve
23
Gas Valve
24
Type lable
25
DHW temperature sensor
26
Ignition electrode
27
Flue gas safety sensor (Combustion chamber sensor)
(behind burner)
28
Flow temperature sensor
29
Temperature limiter for heating block
30
Fan
31
Combustion air inlet
32
Flue gas pipe