27
8x
Fig. 21
0
1.
Empty the DHW cylinder via the drain outlet (see
page 9).
0
2.
Disconnect the DHW cylinder from the pipework to
prevent cleaning agents and contaminants from
entering the pipework.
0
3.
Open the DHW heat pump (see page 25).
0
4.
Undo flange
A
.
Type WWK:
Immersion heater flange
Type WWKS: Flange
0
5.
!
Please note
Pointed, sharp and hard objects can dam-
age the interior.
Only use plastic tools to clean the interior.
Remove loose deposits manually or use a high
pressure cleaner.
0
6.
Danger
Cleaning agent residues can lead to
poi-
soning
.
Observe the cleaning agent manufacturer's
instructions.
!
Please note
Cleaning agents containing hydrochloric
acid can cause material damage.
Never use cleaning agents containing
hydrochloric acid.
Use a chemical cleaning agent to remove hard
deposits that cannot be removed with a high pres-
sure cleaner.
0
7. Fully
drain all cleaning agent.
0
8.
Flush the DHW cylinder
thoroughly
after clean-
ing.
0
9.
Fit
new
seal ring
B
to flange
A
.
10.
Secure flange.
11.
Connect the DHW cylinder to the pipework and fill
(see page 26).
Commissioning, inspection, maintenance
Cleaning the interior of the DHW cylinder
5788 057 GB
