39
Checking the burner gauze assembly
Danger
Escaping gas leads to a risk of
explosion.
Close the gas shut-off valve.
B
A
1.
Undo fitting
A
from the gas supply
pipe.
2.
Undo the screws on the boiler door
and open the door.
3.
Check the metal mesh of burner
gauze assembly
B
for damage.
4.
Replace burner gauze assembly
B
if required.
Danger
Touching hot parts can result in
burns.
Only work on the burner when it
has cooled down.
!
Please note
Scratches inside the combustion
chamber can lead to corrosion.
Never put tools or other objects
into the combustion chamber.
!
Please note
Contamination of the burner
gauze assembly can lead to mal-
function.
When replacing the burner gauze
assembly ensure that no fibres
from the thermal insulation block
adhere to the burner gauze
assembly. In addition, when
installing the burner gauze
assembly, fit a protective sleeve.
Burner component installation
instructions
!
Please note
Incorrect replacement of the
burner gauze assembly can
result in contamination of the
combustion chamber.
Ensure that the combustion
chamber is kept free of thermal
insulation fibres.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5794 780 GB