HDG Pelletmaster 15, Operation Manual, Page: 147 / 172

7 Cleaning and maintaining the heating system – Procedure
147
12. Reinstall the ash box by reversing the sequence of steps.
13. Turn the mains electricity switch on.
14. Set the desired operating mode.
✓
The ash box has been emptied.
C
HECKING AND CLEANING THE STEPPED GRATE
1. Set the operating mode to “Off”.
2. Allow the heating system to burn out.
3. Turn the mains electricity switch off.
4. Open the right boiler door of the HDG Pelletmaster.
9. Close the connection piece of
the ash box with the cover (3).
10. Open the closure (2).
11. Empty the ash box (1) into a
fireproof container.
Figure 7/3 - Emptying the ash box
2
1
3
Caution!
Danger of burns from hot surfaces!
During operation, the boiler surfaces under the cladding are hot.
Even when turned off, they only cool down slowly.
Switch the heating system off and only start with the cleaning and
maintenance work when the surfaces have cooled down.
5. Open the combustion
chamber doors (1).
6. Pull out the door bolts (2) in
an upward direction.
7. Remove the combustion
chamber doors (1).
Figure 7/4 - Removing the combustion chamber doors
2
1