3.2 Main parts
1
Flue gas outlet / Air intake
2
Casing/air box
3
Heat exchanger (Central heating)
4
Outlet for measuring combustion gases
5
Ignition/ionization electrode
6
Mixer pipe
7
Combined venturi and gas valve unit
8
Áir intake silencer
9
Instrument box
10
Siphon
11
Box for the control PCBs
12
Fan
13
Water flow pipe
3.3 Control panel DIEMATIC iSystem
3.3.1. Description of the keys
A
Temperature setting key (heating, DHW, swimming pool)
B
Operating mode selection key
C
DHW override key
D
Key to access the parameters reserved for the installer