18
Number
of impulses
(green indicator)
Description
1
The unit was switched off because the temperature has
exceeded the maximum value (fault signal will not disappear
2 The unit was switched off by a master appliance
3 The inlet temperature sensor failure
4
The unit was switched off because the air bubbles in the heating
box (the unit will not heat again until the fault is resolved and
The heater switches on automatically straight after reaching the ow rate over 2,5l/min.
The temperature control system adjusts the power rate according to the water ow rate,
required temperature and the water temperature in the mains.
There are two indicators on the case:
- green - power supply „on”,
- red - heating „on”.
Other modes are shown by ickering green light.
KDE3 Operation
19 / 42 18 / 40 19 / 42
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