11
750 and 950 l
Fig. 4
1. Drain the cylinder from the DHW side.
2.
Remove flange cover
A
.
3. To prevent cleaning agents and contaminants
entering the pipework, separate the cylinder from
the pipework.
4. Remove loose deposits with a high pressure
cleaner.
!
Please note
Pointed or sharp cleaning tools will damage
the cylinder interior.
Only use plastic tools to clean the inside.
5. Use a chemical cleaning agent to remove hard
deposits that cannot be removed with a high pres-
sure cleaner.
!
Please note
To prevent material losses, never use clean-
ing agents containing hydrochloric acid.
Danger
Cleaning agent residues can result in poi-
soning.
Always observe the information provided by
the cleaning agent manufacturer.
6. Fully drain all cleaning agent.
7. Thoroughly flush the cylinder after cleaning.
Checking and replacing the protective magnesium anode (if required)
Check the protective magnesium anode.
We recommend replacing the protective magnesium
anode if it has eroded to 10-15 mm
7
.
Note
Only for 500 l:
A chain anode is available as an accessory for tight
spaces.
Commissioning, inspection, maintenance
Cleaning the inside of the cylinder (cont.)
5677344
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