06/2016 - Art. Nr. 4200 1041 1103A
35
en
Replacing the flame tube
For this operation, it is necessary to
either open the furnace gate or remove
the burner.
-
Variant 1 -
Access via the furnace gate
• Remove the burner head
• Loosen the 3 securing screws
S
on
the flame tube support by 1 to 2 turns.
(Allen 3).
• Open the combustion chamber door.
• Take out the flame tube, check it,
clean it and, if it is deformed,
replace it.
• Proceed in the reverse order for refit-
ting.
• Fill in the space between the furnace
gate and the burner tube with fire-
resistant material.
• Close the furnace gate.
-
Variant 2
- Removing the burner
• Remove the burner head.
• Loosen the electrical connections.
• Loosen the burner housing (4 x M10
nuts) and remove. Do not damage
electrical cables.
• Unscrew the burner head and then
proceed as under variant 1.
• Proceed in the reverse order for
refitting.
The flame tube may be hot
Filter replacement
• The filter element of the Multiblock
and/or prefilter must be checked at
least once a year and replaced if
clogged.
• Loosen the screws on the Multiblock
and/or prefilter cover.
• Remove the filter element and clean
its housing.
• Do not use any pressurised cleaning
products.
• Replace the filter element with a new
element.
• Screw the cover back into place.
• Reopen the manual gate valve.
• Check it is airtight.
• Check the combustion values.
Cleaning the air box
• Disassemble the plate (7 screws
X
).
• Disassemble the electric board
(4 screws
V
).
• Remove the air intake box (4 screws
T
),
clean it and refit it in reverse order.
• Check that the air flap and the
servomotor are correctly positioned.
Cleaning the cover
• Do not use abrasive products or
products containing chlorine.
• Clean the cover with water and a
suitable cleaning product.
• Refit the cover.
Important
Combustion values must be checked
under normal operating conditions
(boiler room door closed, hood fitted,
etc.) after any work is carried out
inside the unit. Record the results in
the relevant documents.
Checking the flue gas temperature
• Check the flue gas temperature at
regular intervals.
• Clean the boiler if the flue gas
temperature is more than 30 °C above
the value measured at the time of
commissioning.
• Use a flue gas temperature gauge to
make the check easier.
Servicing
Maintenance
