CAV 50 - CAV 100
04/2010
7
C346
US
Controls and indicators
Figure 5
Start/Stop indicator and button2.
If the indicator is lit, the motor is ON.
You can start/stop each motor with this button.
Stop button5.
This button stops all the motors simultaneously when
pressed (but doesn’t turn the power of the vacuum
cleaner off).
Low compressor pressure alarm indicator (only used with 6.
automatic fi lter cleaning option with air compressor)
If lit, this indicates low air pressure inside air tank
Max. vacuumed level indicator (if installed)7.
If lit, this indicates the maximum level of the vacuumed
material has been reached in the container, if the
level control for liquids or solids has been installed on
machine.
Power supply indicator8.
Indicates the vacuum cleaner is energized.
Primary fi lter indicator9.
Green - Indicates the primary fi lter is functioning properly.
Red - Indicates the primary fi lter is blocked and needs to
be cleaned.
HEPA fi lter indicator (if installed)10.
Red - Indicates the HEPA fi lter is blocked and should be
replaced.
Manual fi lter shaker knob (models with manual fi lter 11.
shaker)
Figure 6
Dust Container release lever1.
Castor lever2.
Closing band lever3.
Electric power cable5.
Handle6.
Depressor hose7.
Figure 7
Inlet1.
Inspections prior to starting
Prior to starting, check that:
The fi lters are installed; ■
All the levers are locked in place; ■
The vacuum hose and tools have been correctly fi tted to ■
the inlet (1 - Fig. 7);
The bag is installed, if applicable. ■
WARNING!
Do not use the vacuum cleaner if the fi lter is faulty.
Starting and stopping
Figure 8
WARNING!
Lock the castor brakes (1) before starting the vacuum
cleaner.
Install a poly-liner in the container. The poly-liner ■
provides quick convenient disposal.
Press button ( ■ 2) to start each vacuum motor
Press button ( ■ 2) again to stop each motor or press “stop”
button to stop all motors at once.
Vacuum cleaner operation
WARNING!
The air speed in the suction tube should not be less
than 20 m/s.
If the air speed drops below this rate, the red indicator
light will illuminate on the primary fi lter.
When using the vacuum cleaner, check:
The state of the max. vacuumed material level indicator ■
(7 - Fig. 5) if the level check is installed.
The state of the primary fi lter ( ■ 9 - Fig. 5) and the HEPA
fi lter (if installed) (10 - Fig. 5).
The state of the low compressor pressure indicator ( ■ 6 -
Fig. 5) (if installed).
WARNING!
If one of the indicators is lit, follow the instructions.
Symbol Indicator signal
Indicator
color
Vacuum cleaner state
and procedure
bar/psi
Low compressor
pressure
(6 - Fig. 5)
Red
Suction stopped.
Check the compressor
is functioning properly (if
installed).
MAX
Max. vacuumed
material level
(7 - Fig. 5)
Red
Suction stopped.
Empty the container
(See relevant
paragraph).
Primary fi lter
(9 - Fig. 5)
Red
Suction on.
Use the primary fi lter
shaker after stopping
the vacuum cleaner (on
models with a manual
fi lter shaker).
HEPA fi lter
(10 - Fig. 5)
Red
Suction on.
Change HEPA fi lter
(See relevant
paragraph).
WARNING!
Consult the “Troubleshooting” chapter if faults occur.