37
1.
Use a vacuum cleaner to remove res-
idues from heat exchanger
A
inside
the combustion chamber.
2.
If required, spray slightly acidic,
chloride-free cleaning agents based
on phosphoric acid onto heat
exchanger
A
and let the solution
soak in for approx. 20 min.
3.
Thoroughly flush heat exchanger
A
with water.
4.
Install the burner. Fit the screw with a
serrated washer and the remaining
screws, then torque diagonally with
4 Nm.
5.
Fit the gas supply pipe with a new
gasket.
6.
Check the gas connections for tight-
ness.
Danger
Escaping gas leads to a risk of
explosion.
Check all fittings for gas tight-
ness.
7.
Connect the electrical cables/leads to
each corresponding component.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5457 552 GB
Service