47
A
1.
Use a vacuum cleaner to remove
combustion residues from heating
surface
A
of the heat exchanger.
2.
Flush heating surface
A
with
water.
3.
Check condensate drain and clean
siphon. See the following chapter.
4.
Flush the heating surface again with
water (the siphon is also filled with
water in the process).
Installing the burner
1.
Insert the burner and tighten the
screws diagonally. Torque: 8.5 Nm
2.
Install the gas supply pipe with a new
gasket and tighten the fitting. Torque:
15 Nm
3.
Check the gas connections for tight-
ness.
Danger
Escaping gas leads to a risk of
explosion.
Check the fitting for gas tight-
ness.
4.
Connect the electrical cables/leads to
the corresponding components.
Checking the condensate drain and cleaning the siphon
Multi boiler system:
Clean the siphon in the flue gas header
as well.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5585 174 GB
Service
