Electrolux 4-Door Refrigerator with R600a Посібник з експлуатації - Сторінка 12
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Друкувати сторінкуTwo thermal cut-outs are positioned in direct contact with the
Battery which switch off the defrosting heater at:
+10°C end-of-defrosting switch (cable colour: grey);
+40°C safety switch (cable colour: black).
The water produced by the defrosting cycle is expelled from the
appliance through a special silicone rubber valve fitted to the duct
drain. The structure of this valve is such that the defrost water
drains off without obstruction while, during the cooling phase, the
slight vacuum inside the freezer compartment causes the valve to
close, thus preventing humid air from being drawn in from outside
the appliance.
A PCB positioned behind the control panel pilots a 6-LED display panel. The LEDs light sequentially to display
the temperature inside the freezer compartment. The same PCB also pilots the ON/OFF LED, the "SUPER" LED
and an "ALARM" LED, which lights when the temperature rises above -9°C.
The PCB is piloted by an NTC sensor whose resistance varies with the temperature.
This sensor is positioned on the bottom of the compartment in contact with a eutectic mass which guarantees a
constant value displayed by the LEDs thus avoiding spurious values in case of momentary temperature
variations.
4 DOOR REFRIGERATOR WITH R600a
5.4. Thermal cut-outs
5.5. Rubber valve
5.6. Electronic thermometer
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