10
Fig. 3
3.
Remove cap
E
, flange cover
F
and gasket
G
.
Dispose of gasket
G
.
4.
Disconnect the DHW cylinder from the pipework to
prevent cleaning agents and contaminants from
entering the pipework.
5.
Remove loose deposits with a pressure cleaner.
!
Please note
Pointed or sharp cleaning tools will damage
the cylinder interior.
Only use plastic cleaning equipment to clean
the inside.
6.
Use a chemical cleaning agent to remove hard
deposits that cannot be removed with a pressure
cleaner.
!
Please note
Cleaning agents containing hydrochloric acid
will attack the DHW cylinder material.
Never use such cleaning agents.
Danger
Cleaning agent residues can cause
poison-
ing
.
Always observe the information provided by
the cleaning agent manufacturer.
7. Fully
drain all cleaning agent.
8.
Flush the DHW cylinder
thoroughly
after cleaning.
Checking and replacing the protective magnesium anode (if required)
E
Fig. 4
Check protective magnesium anode
E
.
If the
7
is
≤
10
−
15 mm, replace the protective mag-
nesium anode.
Commissioning, inspection, maintenance
Cleaning and descaling the inside of the DHW…
(cont.)
5677415
Summary of Contents for CVE
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