Calomax QUANTUM-e, Инструкция по установке, эксплуатации и обслуживанию.

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Page 14
which must be fitted the correct way round. The lid is labelled
accordingly. To remove the lid, break the lid gasket seal and pull
the lid forward and up, to the front of the machine before lifting it
clear of the body.
Note : Whenever the body lid has been removed from the boiler a new
lid gasket may be required to ensure a steam-tight joint. Damage to the
unit caused by a poor lid seal is not covered by warranty.
Scale deposits should be removed from all internal surfaces,
particularly the heating element, thermistor and level sensors by
gently tapping or scraping. If the deposits are soft, use a nylon
pad and flush out. Abrasive cleaning materials containing scouring
powders and detergents must not be used, such materials can
cause taste problems.
Suitable chemical de-scalants must only be used in accordance
with the manufacturers recommendations. This will prevent health
and safety issues, taste problems and potential damage to the
appliance. All trace of these chemicals must be removed from
the appliance before re-commissioning the unit . Misuse of such
chemicals is not covered by the product warranty.
IMPORTANT Before re-commissioning the boiler it is important
that all scale and moisture is removed from the level sensor
insulating gaskets, to avoid a false signal being transmitted
through the scale to the boiler body. Failure to remove this
scale and/or moisture could cause the sensor to indicate to the
PCB that water is covering the element, whether or not water
is present. In this situation the PCB could energise the element
causing failure. If in doubt, protect the element by hand filling
with water to the level of the draw-off tap before switching on
the electrical supply to the boiler.
General function
The printed circuit board (PCB) controls the heating and filling
functions of the boiler by monitoring the thermistor and level