1.
Drain the DHW cylinder. For this,
close the on-site shut-off valve and
open drain valve
B
.
2.
Remove thermal insulation hood
B
.
3.
Pull cable
C
from anode connec-
tion
D
.
4.
Remove flange lid
E
.
5.
Remove loose deposits with a high
pressure cleaner.
!
Please note
When cleaning the inside,
only use plastic cleaning
utensils.
6.
Use a chemical cleaning agent to
remove hard deposits that cannot
be removed by a high pressure
cleaner.
!
Please note
To prevent material losses,
only use plastic tools to
clean the interior; never use
cleaning agents containing
hydrochloric acid.
7.
Thoroughly flush the DHW cylinder
after cleaning.
8.
Close drain valve
A
.
Further details regarding the individual steps
(cont.)
41
Commissioning, inspection, maintenance
5592
883
GB
Service
Summary of Contents for VITODENS 343-F WS4A
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