Hilti VC 20-U-Y Manual De Instrucciones página 32

3.5 Hose diameter setting
VC 20-UM-Y
VC 40-UM-Y
In order to ensure that the warning tone is triggered correctly, the hose diameter setting must be set correctly
to the diameter of the suction hose used.
3.6 Warning tone
VC 20-UM-Y
VC 40-UM-Y
A warning tone sounds if the air speed in the suction hose drops below 20 m/s.
3.7 Automatic filter cleaning
The vacuum cleaner is equipped with an automatic filter cleaning system that removes most of the dust
adhering to the filter element.
The filter cleaning system can be switched off by pressing the "Automatic filter cleaning ON/OFF" button
and switched back on by pressing the button again.
Status
LED lights.
LED doesn't light.
The filter cleaning system is activated automatically each time the vacuum cleaner is switched on.
The filter element is cleaned automatically by a blast of air (a pulsating noise is heard).
In order to achieve continuously high suction performance in system applications (especially grinding
and sanding, cutting and slitting) or when picking up large quantities of dust, the filter cleaning system
must be active.
The filter cleaning system functions only when a suction hose is connected.
3.8 Accessories
Accessories and how they are used
Accessories
PE VC 20 synthetic dust bag (203854)
PE VC 40 synthetic dust bag (203852)
VC 20 dust filter bag (2121560)
VC 40 dust filter bag (2121562)
VC 20/40 dry filter (2121386)
VC 20/40 universal filter (2121387)
VC 20/40 performance filter (436058)
Suction hose, 27 x 3.5 m AS
Suction hose, 36 mm
Suction hose, 36 x 5 m AS
VC 20-UM-Y
VC 40-UM-Y
▶ A plastic dust bag or dust filter bag must always be used. This is essential.
3.9 State of charge indicator of the Li-ion battery during the charging operation
Status
4 LEDs show.
3 LEDs show, 1 LED flashes.
26 English
Meaning
The filter cleaning system is active.
The filter cleaning system is not active.
Type of use
Working with mineral materials, wet and dry
Working with mineral materials, wet and dry
Wood and mineral applications
Wood and mineral applications
Dry
Universal use, wet and dry
Heavy use, wet and dry
Wet and dry
Mainly wet, not for dust
Wet and dry
Meaning
State of charge: 100 %
State of charge: 75 % to 100 %
2055199
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