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installation
commissioning
11. commissioning
11.1 commissioning
f Open a draw-off point until the appliance has filled up and
f
the pipework is free of air.
f Adjust the flow rate. For this, observe the maximum permis-
f
sible flow rate with a fully opened tap (see chapter "Specifi-
cation / Data table"). If necessary reduce the flow rate at the
butterfly valve of the safety assembly.
f Carry out a tightness check.
f
f Turn the temperature selector to maximum temperature.
f
f Switch the mains power ON.
f
f Check the function of the appliance.
f
f Check the function of the safety assembly.
f
11.1.1 appliance handover
f Explain the appliance function to users and familiarise them
f
with its operation.
f Make users aware of potential dangers, especially the risk of
f
scalding.
f Hand over these instructions.
f
11.2 returning into use
See chapter "Commissioning".
12. settings
temperature selection limitation
You can adjust the temperature selection limitation beneath the
temperature selector.
Factory setting: Limited to 60 °C
f Set the temperature selector to "cold" and isolate the appli-
f
ance from the power supply.
f Remove the temperature selector and the control panel
f
cover.
1
1 Limiter disc
2 Without limiter disc, maximum 82 °C
f You can set the limit to 45 °C / 60 °C by rotating the limiter
f
disc. After removing the limiter disc, the maximum tempera-
ture can be set.
f Replace the control panel cover and temperature selector.
f
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13. taking the appliance out of use
f Isolate the appliance from the power supply by means of the
f Drain the appliance. See chapter "Maintenance / Draining the
14. troubleshooting
fault
The water does not heat
up.
The safety valve drips
when the heating is
switched off.
1 High limit safety cut-out reset button
2
f
fuse/MCB in your fuse box/distribution panel.
f
appliance".
Note
The high limit safety cut-out can respond at temperatures
below –15 °C. The appliance may be subjected to these
temperatures during storage or transport.
cause
The high limit safety
cut-out has responded
because the thermostat
is faulty.
The high limit safety
cut-out has responded
because the tempera-
ture has dropped below
-15 °C.
The booster heater does
not switch on.
A heating element is
faulty.
The valve seat is con-
taminated.
f remedy
Replace the thermostat
and press the high limit
safety cut-out reset but-
ton.
Press the reset button.
Check the contactor and
replace if required.
Replace the heating ele-
ment.
Clean the valve seat.
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