5
Servicing the system
Maintenance work by technicians
5.4.1 Checking and cleaning the combustion grate
The grate must be closed to remove the combustion grate.
Manual operation
System menu
Manual
❒ On the controller, go to the "Manual operation" menu
❒ In the "Manual operation" menu, change the "Grate drive" parameter to
"BACK"
❒ Switch off the boiler and allow it to cool down
❒ Switch off the power supply to the boiler
❒ Undo the insulated door and retaining screw (T25) on the cover
❒ Push the cover forwards and remove
❒ Undo the lens-head screws on the side panel
❒ Remove the side panel
❒ Undo the lens-head screws and remove the back panel
66
Fröling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com
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