Cleaning The Inside Of The Dhw Cylinder; Instructing The System User - Viessmann Vitocell 340-M Service Instructions Manual

Further details regarding the individual steps

Cleaning the inside of the DHW cylinder

1. Drain the cylinder from the DHW
side.
2. Disconnect the cylinder from the
pipework to prevent cleaning agents
and contaminants entering the pipe-
work.
3. You can also carry out cleaning on
the DHW side with a chemical clean-
ing agent.
!
Please note
Never use cleaning agents
containing hydrochloric acid,
to prevent material losses.
Danger
Cleaning agent residues can
lead to poisoning.
Always observe the details
provided by the manufacturer
of the cleaning agent.

Instructing the system user

The installer should instruct the user in
the operation of the system.
Commissioning, inspection, maintenance
4. Fully drain any cleaning agent.
5. Thoroughly flush the indirect coil on
the DHW side after cleaning.
6. Reconnect the cylinder to the pipe-
work.
7. Fill the cylinder on the DHW side.
(cont.)
7