Procuring Spare Parts; Function Menu; Removing The Burner Assembly; Cleaning The Combustion Chamber - Vaillant ecoVIT exclusiv Installation And Maintenance Instructions Manual

10.1

Procuring spare parts

The original components of the product were also certified
by the manufacturer as part of the declaration of conformity.
If you use other, non-certified or unauthorised parts during
maintenance or repair work, this may void the conformity of
the product and it will therefore no longer comply with the
applicable standards.
We strongly recommend that you use original spare parts
from the manufacturer as this guarantees fault-free and safe
operation of the product. To receive information about the
available original spare parts, contact the contact address
provided on the reverse of these instructions.
▶
If you require spare parts for maintenance or repair
work, use only the spare parts that are permitted for the
product.
10.2

Function menu

The function menu in the DIA system allows you to control
how individual actuators work. The function menu can al-
ways be started after switching on the product or after press-
ing the reset button. The product's electronics switch to nor-
mal operating mode if you do not operate the product for five
seconds or if you press the − button.
Function menu – Overview (→ Page 26)
10.3

Removing the burner assembly

Danger!
Risk of being burned or scalded by hot
components!
The burner assembly and all water-carry-
ing components present a risk of burns and
scalding.
▶
Only carry out work on these components
once they have cooled down.
1. Disconnect the product from the power grid.
2. Close the gas stopcock.
3. Hinge the electronics box down. (→ Page 9)
4. Remove the upper casing. (→ Page 9)
5. Unscrew the locking plate from the ignition electrode
and pull out the ignition line and the earth wire.
6. Remove the ignition line from the monitoring electrode.
7. Remove the cables from the fan motor and the gas
valve assembly.
8. Detach the gas pipe on the underside of the gas valve
assembly and the pressure measuring hose on its up-
per side.
0020258610_00 ecoVIT exclusiv Installation and maintenance instructions
Carrying out inspection and maintenance work 10
3
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9.
10. Unscrew the nuts (2).
11. Remove the burner assembly (1) from the heat ex-
12. Check the components of the burner assembly and the
13. If necessary, clean or replace the components in ac-
10.4
1.
2.
3.
10.5
▶
10.6
Pull the air suction hose (3) out of the fan connection.
changer.
heat exchanger for damage and dirt.
cordance with the following sections.

Cleaning the combustion chamber

Protect the electronics box from splashed water.
Use vinegar (max. 5% acid) to clean the combustion
chamber. Allow the vinegar to act on the combustion
chamber for 20 minutes.
Use water to rinse off the dirt that has softened up.
◁
The water drains out via the flue gas collector and
the condensate discharge pipe.

Checking the burner

Note
The burner is maintenance-free and does not
need to be cleaned.
Check the surface of the burner for damage. If you notice
any damage, replace the burner, incl. seal.

Installing the burner assembly

Danger!
Risk of death caused by escaping flue
gas!
A defective combustion chamber seal may
impair the operational safety of the product
and lead to personal injury and material dam-
age.
▶
Replace the combustion chamber seal
after any inspection and maintenance
work.
▶
Reinsert the circlip that tightly surrounds
the seal after any inspection and mainten-
ance work.
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