1. Drain the DHW cylinder from the
DHW side.
!
Please note
Material losses may result
from draining with a vacuum
pump when the air vent valve
is closed.
Open the air vent valve during
draining.
2.
Remove cover A, flange insulation
B
and flange cover
E
.
3. Disconnect the DHW cylinder from
the pipework to prevent cleaning
agents and contaminants entering
the pipe system.
4. Remove loose deposits with a high
pressure cleaner.
!
Please note
Pointed or sharp cleaning
equipment will damage the
cylinder interior.
Only use plastic tools to clean
the inside.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5773 800 GB
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