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PL,DE,GB,RU-045AB/f.453
The heater switches on automatically straight after
reaching the ow rate over 2,5 l/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”,
Number of impulses
(red indicator)
the „green” indicator ickering with constant frequency
description
1 the water ow is too high for the temperature setting
2 the unit was switched off by a master appliance
Number of impulses
(green indicator)
the „red” indicator ickering with constant frequency
description
3 the inlet temperature sensor failure
KDE, KDE2 Operation
- red - heating „on”.
Other modes are shown through these two ickering lights in combination.
KDE
Number of impulses
(green indicator)
description
1
the unit was switched off because the temperature has exceed-
ed the maximum value (fault signal will not disappear until the
appropriate rate of water ow is reached)
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
appropriate rate of water ow is reached)
KDE2
GB
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