23
A
1.
Use a vacuum cleaner to remove res-
idues from the heat exchanger
A
inside the combustion chamber.
2.
If required, spray slightly acidic,
chloride-free cleaning agents based
on phosphoric acid (e.g. Antox 75 E)
onto the heat exchanger
A
and let
the solution soak in for approx. 20
min.
3.
Thoroughly flush the heat
exchanger
A
with water.
4.
Install the burner and torque screws
diagonally with 12 Nm.
5.
Fit the gas supply pipe with a new
gasket. Torque fittings with 10 Nm.
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.)
5692 760 GB
Summary of Contents for VITOCONTROL-S, WB2B
Page 5: ...5 Keyword index 119 Index Index cont 5692 760 GB ...
Page 121: ...121 5692 760 GB ...
Page 122: ...122 5692 760 GB ...
Page 123: ...123 5692 760 GB ...