Contents
1.
Instructions prior to installation
4
2.
Instructions prior to commissioning
4
3.
Commissioning of the boiler
5
4.
Filling the boiler
10
5.
Turning off the boiler
10
6.
Prolonged standstill of the system. Frost protection
11
7.
Gas change
11
8.
Servicing instructions
11
Instructions pertaining
to the user
9.
General information
12
10.
Instructions prior to installation
12
11.
Boiler installation
13
12.
Boiler size
13
13.
Fittings present in the packaging
14
14.
Installation of flue and air ducts
14
15.
Connecting the mains supply
18
16.
Gas change modalities
24
17.
Setting the boiler parameters
27
18.
Control and operation devices
28
19.
Positioning of the ignition and flame sensing electrode
29
20.
Check of combustion parameters
29
21.
Activating the flue-sweeper function
29
22.
Output / pump head performances
30
23.
How to disassemble the DHW heat exchanger
30
24.
Cleaning the cold water filter
31
25.
Annual service
31
26.
Boiler schematic
32-33
27.
Illustrated wiring diagram
34-35
28.
Technical data
36
Instructions pertaining
to the installer