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2.8 Important notes
Signal anode C
– Remove transport protection material
(8).
– Check the display element (3) for
transport damage.
– The floor-standing water heater must not
be operated without a display element,
nor with a damaged display element,
since otherwise water will emerge at that
point when the anode wears down.
Temperature limitation I
If desired, the hot water temperature limit
(60 °C, a) set at the works can be changed
at the electric heating element by the
qualified installer:
Disconnect the water heater from the
mains, set the temperature selector to ,
and draw off the button.
– Limiting to 45 °C (b)
Draw the limiter disk off the axis shaft of
the temperature selector and rotate it
through 180°.
– Limiting to about 80 °C (c)
Remove the limiter disk from the axis
shaft of the temperature selector. Push
the temperature selector on. Refer to
Note 2.2 „Energy Saving Law".
For temperatures below - 15 °C (e.g.
transport/storage) the safety temperature
limiter can be released. Push in the reset
button I (d).
3. Fault finding
- user
Fault
No hot water.
No flow volume.
Tabelle 2
4. Fault finding
- qualified installer
Fault
No hot water.
Tabelle 3
12
2.9 First start-up
(may only be car-
ried out by a qualified installer)
1
Fill the appliance, bleed it, and
flush it through thoroughly.
2
Turn the temperature selector
button to the right as far as the
stop (as far as the temperature limita-
tion).
3
Switch on the mains voltage.
4
Check that the appliance is wor-
king properly.
5
Check the safety valve for proper
function.
Handing over the appliance:
Explain how the appliance works to the new
user, and familiarise them with the procedures.
Important notes:
• Draw the user's attention to possible ha-
zards (scalding).
• Hand over these Instructions for Installation
and Use for safekeeping. All the information
in these Instructions must be followed
carefully. They provide details regarding
the safety, operation, installation, and
maintenance of the appliance.
Cause
– No voltage.
– Dirt or limescale on the perlators in the
fittings or the shower heads.
Cause
– Safety temperature limiter has actuated.
– Rapid heating system not switching on.
– Heating element defective.
2.10 Maintenance
• When carrying out any work, disconnect
the appliance from the mains at all poles.
• Vent the safety valve regularly, until a full
stream of water emerges. After carrying out
the check, close the safety valve.
Other points relating to the appliance:
• Removal of limescale
Do not use a limescale removal pump.
Remove limescale from the element only
after disassembly. Do not use limescale
removal products on the enamelling or the
protective anode.
Tightening torque for the element screws:
50 - 60 Nm.
Exchange of heating elements and pipe
protections I :
The heating element (e) and associated
pipework (f) must be electrically isolated
from the flange plate (g). After installation
the heating elements are connected via a
corrosion protection resistor (h, 390
the inner tank of the storage haeter.
• Draining the cylinder:
Before carrying out draining, disconnect
the appliance from the mains.
– Close the isolating valve in the cold wa-
ter pipe.
– Open the hot water valves fully of all the
draw-off points.
– Drainage takes place via the drain valve
D (f). Residual water remains in the
cold water connection pipe.
During drainage hot water may
emerge.
Replacing the signal anode E (b):
If the signal anode has worn out, it must be
replaced by a new one.
Signal anode:
Order No. 14 09 20.
If it is not possible for a bar anode to be
installed from above, fit a
signal element anode:
Order No. 14 34 98.
Remedy
– Check the fuses in the house installation.
– Clean the drain fittings and/or remove li-
mescale.
Remedy
– Rectify the cause of the fault; replace the
regulator/limiter combination.
– Check the switch contactor and replace it if
necessary.
– Replace the heating flange.
Ω
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