4
Initial start−up, inspection and maintenance
Inspection and maintenance
(cont.)
Cleaning the inside of DHW cylinders
1.
Drain the DHW cylinder from the
secondary side.
2.
Remove top panel
A
, thermal
insulation mat
B
and
thermometer sensor
C
.
3.
Remove locking cap
D
, internal,
circular stainless steel disc
E
and
gasket
F
.
4.
Disconnect the DHW cylinder
from the pipework to prevent any
cleaning agents and contaminants
entering the pipe system.
5.
Remove loose deposits with a
high pressure cleaner.
¨
Only use plastic tools to clean
the inside.
6.
Use a chemical cleaning agent
to remove hard deposits that
cannot be removed by a high
pressure cleaner.
¨
Safety instructions
Do not use cleaning agents
containing hydrochloric acid.
7.
Thoroughly flush the DHW
cylinder after cleaning.
8.
Reconnect the DHW cylinder to
the pipework.
9.
A new gasket
F
must be fitted
to locking cap
D
every time the
cylinder is opened.
10.
Fit circular stainless steel disc
E
,
locking cap
D
and tighten down
with 160Nm.
11.
Fill the DHW cylinder from the
secondary side.
12.
Fit thermometer sensor
C
,
thermal insulation mat
B
and
top panel
A
.
System restart
5692328GB
D
F
E
B
A
C
Summary of Contents for VITOCELLV 300
Page 6: ...6 Parts list 5692 328 GB ...
