17
Weighing equipment (Optional equipment)
6050
16
16
Weighing equipment
Description
The weighing equipment comprises the following
units:
• A scale unit located inside the machine’s left-
hand rear side panel
• Four load cells, one in each corner of the
frame
• Wiring
The weight of the wash load is registered by the
four load cells, which send analogue signals to
the scale unit. In the scale unit the signals are
processed and converted to a weight value in
an analogue-digital converter. The weight value
is transmitted via a serial interface to the CPU
board. The weight is then shown on the display.
Weighing the load allows the water level to be
adjusted automatically according to the actual
weight of the load, i.e. the water level is reduced
during washing if the machine does not have a
full load. The consumption of water and energy
can thus be reduced.
Safety rules
The weighing equipment is a precision measur-
ing device and must be treated as such.
• Never spray water directly onto the load cells
and scale unit.
• The load cells are vulnerable to impact.
• The load cells are potentially vulnerable if wel-
ding is carried out. If welding has to be done
on the washer extractor, attach the earth ca-
ble clamp as close as possible to the welding
site.
After a power-cut
When the supply is restored after a power-cut,
the weight display will show "0" if the load inside
the drum is less than 6.25 kg. If the load weighs
more than 6.25 kg, the true weight of the load
will be shown.
Load cell
Scale unit
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