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We recommend having qualified technical
personnel carry out the provisions of current
regulation concerning periodic maintenance
checks.
Since the dust is vacuumed inside, the ue gas side resistance,
through the boiler, increases which, eventually, will lead to a
reduction of the thermal load (and, consequently, of the power).
Before cleaning, check the thermal load (see 3.13) and the
CO
2
percentage (see 3.13). If the read load (with correct CO
2
)
is around 5% of the indicated value, the boiler does not need
to be cleaned.
Therefore, the operation can be limited to cleaning the siphon
ATTENTION!
A drop in thermal load may be caused by the
obstruction of the exhaust duct or of the air inlet
duct. Firstly check that this is not the cause.
If a load reduction is detected of more than 5%,
check the cleanliness of the condensate collec-
tion pan and of the burner. Clean the siphon also.
- Act on the two rear closing hinges to remove the cover
- Remove the casing fastening screws, rear, front and lateral.
- all casings
First phase – Disassembly
• Close the power and gas supply ensuring that the valve is
closed properly.
• Remove:
- Turn the indicated screw to lift the cover
- Remove the 2 cover fastening screws
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