Beretta POWER PLUS Installation Instruction page 43

In TEST mode, a high temperature heating demand at
maximum output can be generated.
To do this:
- Press the "Set/esc" and "+" buttons together for 5
seconds;
- Start the boiler by adjusting the room thermostat.
The boiler will operate at maximum output showing
"H" on the display, followed by the outlet temperature
(chimney sweep function);
- Check that with the burner on at maximum output the
gas pressure is the rated supply pressure, as shown in
the table to the side;
- Adjust the thermostat so as to stop the boiler;
- Press "OK" to exit TEST mode;
- Disconnect the pressure gauge and tighten the screw
on the pressure test point (3) upstream of the gas
valve.
CHECKING COMBUSTION
- Power-up the boiler by moving the main system switch
and the main switch/switches on the appliance to "on";
In TEST mode, a high temperature heating demand at
maximum output can be generated.
To do this:
- Press the "Set/esc" and "+" buttons together for 5
seconds;
- Start the boiler by adjusting the room thermostat.
The boiler will operate at maximum output showing
"H" on the display, followed by the outlet temperature
(chimney sweep function).
DESCRIPTION
Wobbe index
Rated supply pressure
G20 G30 G31
3
45,7 80,6 70,7 MJ/m
20 28-30 37 mbar
43