21
Cleaning the inside of the DHW cylinder
8x
2x
7x
1x
Fig. 17
1.
Drain the DHW cylinder on the DHW side.
2.
300 l:
Remove cap
A
, thermal insulation (thermal insula-
tion mat)
B
and flange cover
C
.
3.
Disconnect the DHW cylinder from the pipework to
prevent cleaning agents and contaminants from
entering the pipework.
4.
!
Please note
Pointed, sharp and hard objects can dam-
age the interior of the cylinder.
Only use plastic tools to clean the interior.
Remove loose deposits with a high pressure
cleaner or manually.
5.
Danger
Cleaning agent residues can lead to
poison-
ing
.
Observe the cleaning agent manufacturer's
instructions.
!
Please note
Cleaning agents containing hydrochloric acid
can damage the inside of the cylinder.
Never use cleaning agents containing hydro-
chloric acid.
Use a chemical cleaning agent to remove hard
deposits that cannot be removed with a high pres-
sure cleaner.
6. Fully
drain all cleaning agent.
7.
Flush the DHW cylinder
thoroughly
after cleaning.
Checking and replacing the protective magnesium anode
Visual inspection of the protective magnesium anode:
We recommend replacing the protective magnesium
anode if it has eroded to a diameter of
≤
10 to 15 mm.
Note
A chain anode (accessories) can be installed where
space is tight.
Commissioning, inspection, maintenance
Cleaning the inside of the DHW cylinder
6150608
Summary of Contents for CVAA
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