Installation instructions
830 ES – 6 720 644 936 (2021/08)
32
Adjusting minimum power fan speed (P2)
To select fan speed:
▶ Push power button to shut the water heater off.
▶ Push and hold the button.
▶ Turn power back on by pushing the power button .
▶ Continue to hold the button until all symbols on the
screen light up and the temperature reads 188 °C.
▶ When display reads 188, immediately release the
button.
The display should now read P2.
▶ Press to enter P2 adjustment. The current setting will
appear on the display (factory default).
▶ Press or to choose the fan speed suitable with
your installation, see table 23 and 24.
▶ Press and hold (± 5 sec.) “Program” button until the
display flashes, then the selected value is memorized.
Proceed directly to chapter 7.4 to confirm CO
2
values are
within range.
Adjusting maximum power fan speed (P1)
To select fan speed:
▶ Push power button to shut the water heater off.
▶ Push and hold the button.
▶ Turn power back on by pushing the power button .
▶ Continue to hold the button until all symbols on the
screen light up and the temperature reads 188 °C.
▶ When display reads 188, immediately release the
button.
The display should now read P2.
▶ Press the minus button to display P1.
▶ Press “Program” button to enter P1 adjustment. The
current setting will appear on the display.
▶ Press or to choose the fan speed suitable with
your installation, see table 23 and 24.
▶ Press and hold (± 5 sec.) “Program” button until the
display flashes, then the selected value is memorized.
Proceed directly to chapter 7.4 to confirm CO
2
values are
within range.