
6 Using the heating system – Heating up the system
56
20.
Confirm your input by pressing the
Confirm
(1) button.
✓
The
Close doors
message appears in the display.
21.
Make sure that all of the doors are closed.
22.
Wait until the progress bar is full.
✓
The
Underpressure test
message appears in the display.
23.
Wait until the progress bar is full.
✓
The ignition fan starts.
✓
The
Ignite
message appears in the display.
✓
The HDG Euro 30/40/45/50 boiler is now heated up.
Figure 6/20 - Closing the doors
Figure 6/21 - Underpressure test
The differential pressure switch enables the ignition fan if the preset
underpressure is reached.
Figure 6/22 - Ignition