14
1.
Fill the DHW cylinder on the DHW side.
Note
When the DHW cylinder is pressurised, tighten the
screws in the flange cover.
Max. torque: 25 Nm
2.
Check the fittings on the heating water and DHW
sides for leaks and tighten if required.
3.
Check the function of the safety valves according
to the manufacturer's instructions.
Shutting down the system
Checking the safety valve function
Checking the anode earth current with an anode tester
E D
A
B
C
Fig. 6
1.
Push down oval cover
A
and remove it.
2.
Remove flange insulation
B
.
3.
Remove thermometer sensor
C
(if available).
4.
Remove earth cable
D
from tab
E
.
5.
Connect tester in series between earth cable
D
and tab
E
.
■
Current
>
0.3 mA: Protective magnesium anode
is OK.
■
Current < 0.3 mA or no current at all: Inspect the
protective magnesium anode visually (see
page 15).
Cleaning the inside of the DHW cylinder
Danger
Unchecked leakage of DHW or heating water
can result in scalding and structural damage.
Only open the DHW and heating water connec-
tions after the DHW cylinder has been depres-
surised.
Commissioning, inspection, maintenance
Filling the DHW cylinder
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