55
Servicing schedule
2
nd
phase – Cleaning
•
Remove from their seat the sealing gaskets and the bur-
ners.
• Make a dry-cleaning by blowing compressed air on the “
flame” side of the burner
•
Visually check the condition of the welds of the metal spon-
ge burner.
The burner sealing gaskets, must be repla-
ced at each cleaning of the burner.
•
Wash, with a water jet, the combustion chamber: pay atten-
tion to not to wet the electrical wiring. During this operation
ascertain that the condensate evacuation pipe is always
free, so that the water cannot come out from the tray.
•
Blow with compressed air in the combustion chamber, in
between the sections, so that all dirty parts are removed
from the aluminum protrusions.
•
Once the cast aluminum sections have been washed, make
sure the condensate evacuation siphon is free: if neces-
sary clean it.
•
Inspect the flue duct and the smoke chamber.
Compressed air
3
rd
phase – Reassembly
Reassemble all the components previously
removed by following the reverse order
sure
to tighten the screws of the mixer / fans to the
body, with torque of 13 Nm
CAUTION
FOR EACH OPERATION OF MAINTENANCE
‘MUST BE REPLACED THE GASCKETS FOR
EACH BURNER.
Spare code:
95251632
- GASKETS KIT for BURNER
MODULEX EXT 348-900 (5 pz.)
95262961
- BURNER KIT MODULEX EXT 348-900
•
Before starting the boiler ascertain that the condensate si-
phon is filled with water.
•
Before opening the gas cock on the burner manifold make
sure the coupling is well tight. To do this, open the gas cock
and check the soundness of the coupling using a soap so-
lution.
•
As soon as a burner is put into operation check immedia-
tely the soundness between the gas valve and the relevant
premixing chamber.
•
Make the combustion analysis and check the combustion
parameters.
•
Make sure that all the gas pressure test nipples, previously
open, are closed and tight.
•
After cleaning the body and / or burners reposition the
burners in their seats
•
Replace the NEW burner sealing gaskets