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La Nordica LNK40 EVO Manual

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ENGLISH
MONTHLY CLEANING
The following conditions must be ensured in order to execute monthly cleaning of the boiler:
• BOILER MODE: Boiler in standby mode - O
• Boiler temperature below 50 °C
IT IS NOT POSSIBLE TO EXECUTE CLEANING IF THE BOILER IS NOT IN “STANDBY MODE  OFF”.
If the boiler is operating, it cannot be stopped (wait until combustion has ended automatically!).
ATTENTION EXTREMELY HIGH BOILER TEMPERATURES CAN CAUSE BURNS/INJURY!
Fig. 4: Service opening Fig. 5: Insulating panel Fig. 6: Heat exchanger pipes with
turbulators
CLEANING THE HEAT EXCHANGER PIPES
The inspection door is located on the top part of the boiler near the smoke suction fan.
It can be opened from the integrated handle. (see Fig. 4)
To open it, unscrew the wing nuts of the insulating panel. (Fig. 5)
This will expose the heat exchanger pipes and turbulators. (Fig. 6)
Fig. 7: Coupled turbulator Fig. 8: Screwed turbulator Fig. 9: Cleaning tool
Fig. 10: Eyelet provided
Depending on the boiler model, the turbulators are attached (Fig. 7) or screwed on (Fig. 8).
The turbulators must be removed upwards from the pipes.
Then use the cleaning tools to free the pipes from dirt particles (Fig. 9-10).
These residues fall into the lower combustion chamber, from where they can be removed.
The collection tray above the pipes must be cleaned using an appropriate vacuum cleaner.
After the cleaning operations, the turbulators are reinserted and secured following the disassembly operations in reverse order.
To facilitate assembly and disassembly of the turbulators, it is possible to simultaneously remove the cleaning lever on the side of the boiler.
Use the eyelet provided and secure it to the spindle of a screwdriver.
Attach the turbulator to the eyelet.
Start the screwdriver and scrape the inside of the heat exchanger pipe with movements from bottom to
top and vice versa.
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La Nordica LNK40 EVO User Manual - German - 48 pages

La Nordica LNK40 EVO User Manual - French - 48 pages


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