Cleaning The Inside Of Dhw Cylinders - Viessmann Vitocell 100-B Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Cleaning the inside of DHW cylinders

1x
A B C
8x
1. Drain the DHW cylinder from the
DHW side.
2. Remove cover A, thermal insulation
mat B and flange cover C.
Note
The cylinder can be cleaned via the
upper or the lower flanged aperture.
3. Disconnect the DHW cylinder from
the pipework to prevent cleaning
agent and contaminants from enter-
ing the pipework.
10
4. Remove loose deposits with a high
C
7x
5. Use a chemical cleaning agent to
6. Fully drain any cleaning agent.
7. Flush the DHW cylinder thoroughly
(cont.)
pressure cleaner.
!
Please note
Pointed or sharp cleaning
equipment will damage the
cylinder interior.
Only use plastic tools to clean
the inside.
remove hard deposits that cannot be
removed with a high pressure
cleaner.
!
Please note
Cleaning agents containing
hydrochloric acid attack the
material of the DHW cylinder.
Never use such cleaning
agents.
Danger
Cleaning agent residues can
result in poisoning.
Always observe the informa-
tion provided by the cleaning
agent manufacturer.
after cleaning.