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Thermostat (temperature setting)
(Illustration 2.)
•
Cold; heater is switched off.
Automatic frost protection active; the device switches on if the water tempera-
ture falls below 7°C.
I
Water temperature has risen by +/- 32°C.
E
Energy-saver mode/reduced energy consumption:
Greater energy savings are possible if the water temperature is set to a maxi-
mum of +/- 55°C. This also reduces the risk of damage to the device.
III
Water temperature is +/- 75°C.
Usage and maintenance
Please refer to the previous section for details of the thermostat settings. We recommend
you use position „E" as this guarantees maximum energy efficiency by maintaining the
water temperature at approximately 55°C; furthermore lime scale build-up and heat loss
are much lower than at higher temperatures.
Operation of the device is indicated by the indicator light, which lights up when the device
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 low-pressure tap fitting. This is perfectly normal and no pre-
ventive action needs to be taken. Further tightening will not prevent the flow of expansion
water. This may damage the hot water valve.
Frost
When the device has not been used for a couple of months, it must
be protected against the effects of frost.
Leave the power supply on and set the thermostat knob to „ ".
When set to this position, the device maintains the water tempera-
ture at approximately 7°C.
If you will not use the device for more than half a year, unplug it, dis-
connect it from the water supply and empty it. T o that end, hold the
device with the connection hoses upwards. Remove the connection
hoses. Then hold the device, with the connections pointing down-
wards, over a sink. Caution: the boiler will release 5 litres of water.
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