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When filling for the first time, the hot water valve in the low-pressure tap fitting must
be open so that water can flow into the device. If the device is not filled with water be-
forehand during installation, the automatic safety device will activate and switch off the
device. (See troubleshooting instructions on how to act in the event of a fault.)
Temperature setting
low
high
off
Turn the on/off button to switch the boiler on.
Turn the button on the left to set the required temperature. The 'HEATING' light will
come on until the water has been heated.
Usage and maintenance
Please refer to the previous section for details of the thermostat settings. We recom-
mend you use position „low" as this guarantees maximum energy efficiency and the
lowest lime scale building. By maintaining the water temperature at approximately 55°C;
furthermore lime scale build-up and heat loss are much lower than at higher tempera-
tures.
As the water that is used for washing the dishes has a temperature of approximately 45
to 50°C, cold water has to be mixed in to reach this temperature. At a water tempera-
ture of 60°C, you will be able to draw off about 14 litres of 45°C.
Operation of the device is indicated by the indicator light, which lights up when the de-
vice is on and extinguishes when the set temperature is reached or the device is turned
off.
During heating, the volume of the water in the device expands, causing a flow of water
(„expansion water") from the safety unit. This is perfectly normal and no preventive ac-
tion needs to be taken.
Frost
When the device has not been used for an extended period,
it must be protected against the effects of frost. Leave the
power supply on and set the thermostat knob to „LOW".
When set to this position, the device maintains the water
temperature at approximately 25°C. If the device is to be
disconnected from the power supply, it must be emptied
completely in order to avoid the risk of damage caused by
freezing.
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