Shut Down Procedure - DeDietrich GT 400 A Assembly And Installation Instructions Manual

• Maintenance of the combustion chamber
- open the burner door (lower door) by unscrewing 4 lock nuts (19
mm spanner)
- brush the inside of the combustion chamber
- using a vacuum cleaner, vacuum up the soot deposits
accumulated in the combustion chamber
- close the door and replace the front cover
•
Cleaning the smoke box (Flue Hood)
- remove the left and right hand clean-out sweeping covers of the
smoke box (2 H12 nuts + washers - 19 mm spanner) and remove
the soot using a vacuum cleaner
- replace the sweeping covers.
A : Vacuum Cleaner
• Burner maintenance
In accordance with the directions supplied with the burner.

2 Shut down procedure

- The boiler and the chimney must be carefully cleaned.
- Shut the boiler doors to avoid any air flow inside.
- If the boiler has been stopped for several months, we also advise
removing the flue connection and cap it.
- Shut off the fuel shut off valves
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GT 400 A 21/09/06 - 94863449 - 82294154E