Table of Contents
Advertisement
4.3 Conductivity sensor
These electronics use a conductivity sensor,
comprising an electronic circuit (located inside the
main circuit board) and a part outside the board
comprising two sensors positioned on the front air
conduit.
When the drum is empty, there is an infinite
impedance between the two sensors, while its value
is affected by the laundry load, by the type of fabric
and by the degree of humidity in the laundry placed
inside the drum.
The main circuit board continually receives
information regarding the status of the washing in the
drum via the conductivity sensor as well as the
settings made by the operator at the start of the
cycle via the control board and elaborates these
values in order to establish the time needed at the
end of the cycle.
4.4 Tank filling pump
The pump is activated by a synchronous motor and it
is used to pump condensation water from the tray to
the tank.
The pump is powered by a triac on the main board.
Insulation class
Motor type
Volt (V AC)
Frequency (Hz)
Power (W)
Resistor at 20°C
4.5 Level sensor
The condensation water level sensor is located at
the back of the tumble dryer and next to the tank
loading pump.
It consists of a float with a magnet at the top and a
reed switch positioned on the float guide/support.
When the water forming on the heat exchanger
(condenser) falls into the collection tray this causes
the float to rise up subsequently bringing the magnet
closer to the reed switch which sends a signal to the
main circuit board activating the tank loading pump.
Technical Support - A.D.L.
155
Asynchronous
220-240
50Hz
5W
764Ω ± 10%
20/69
1
3
1) Main electronic circuit board
2) Control board
3) Conductivity sensor
2
599 76 86-51 Rev. 01
Advertisement
Table of Contents
