4.
Thoroughly flush the combustion
chamber with water. Ensure that
the drain hose continues to termi-
nate in the vessel (see point 1).
Checking the condensate drain and cleaning the siphon
1.
Remove retaining clip
A
and
siphon
B
.
If required, push insert
C
up.
2.
Fill siphon
B
with water.
3.
Check at siphon
B
, that the con-
densate can freely drain off.
4.
Fit siphon
B
and secure with
retaining clip
A
.
Checking the neutralising system (accessories)
Check the pH value of the condensate with a pH test strip. Replace the granu-
late if the pH value < 6.5.
Note
Part no. for pH test strips: 9517 678.
Please observe neutralising system manufacturer's instructions.
Further details regarding the individual steps
(cont.)
25
Commissioning, inspection, maintenance
5692
779
GB
Summary of Contents for VITOLADENS333-F
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