Controls And Indicators; Inspections Prior To Starting; Starting And Stopping; Vacuum Cleaner Operation - Nilfisk S2 L Betriebsanleitung

Controls and indicators

Figure 5
1. Start/stop switch
2-way selector:
position "0" - The vacuum cleaner is turned OFF.
position "I" - The vacuum cleaner is turned ON.
2. Main motor Start/Stop indicator and button
If the indicator is lit, the main motor is ON.
You can start/stop the main motor with this button.
3. Second motor Start/Stop indicator and button
If the indicator is lit, the second motor is ON.
You can start/stop the second motor with this button.
4. Third motor (S3) Start/Stop indicator and button
If the indicator is lit, the third motor is ON.
You can start/stop the third motor with this button.
5. Stop button
This button stops all the motors simultaneously when pressed
(but doesn't turn the power of the vacuum cleaner off).
6. Low compressor pressure alarm indicator
If lit, this indicates an anomaly in the pressure of the
compressor (if installed).
7. Max. vacuumed level indicator
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 is installed.
8. Voltage plate indicator
Indicates the vacuum cleaner is powered.
9. Primary filter indicator
Green - Indicates the primary filter is functioning properly.
Red - Indicates the primary filter is blocked.
10. Absolute filter indicator (if installed)
Red - Indicates the absolute filter is blocked.
11. Manual filter shaker knob (models with manual filter
shaker)
Figure 6
1. Dust container release lever
2. Castor lever
3. Closing band lever
4. Safety bolt (H class)
5. Electric power cable
6. Handle
7. Inlet plug
Figure 7
1.
Inlet

Inspections prior to starting

Prior to starting, check that:
■ the filters are installed;
■ all the levers are locked in place;
■ the vacuum hose and tools have been correctly fitted to
the inlet (1 - Fig.7);
■ the bag is installed, if applicable.
WARNING!
bar/psi
Do not use the vacuum cleaner if the filter is faulty.
09/2017
bar/psi
MAX
bar/psi
MAX

Starting and stopping

WARNING!
Lock the castor brakes (1) before starting the vacuum
cleaner.
■ Turn switch (2) to position "I" to start the vacuum cleaner.
When the switch is in position "I" the motors start in sequence
and the state of the same is shown by indicators (2 - 3 -
4 - Fig. 5).
■ Turn the switch to position "0" to stop the vacuum
cleaner.

Vacuum cleaner operation

WARNING!
The air speed in the suction tube must not be less
than 20 m/s.
This state is shown by the green indicator of the
primary filter.
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 filter (9 - Fig. 5) and the absolute
filter (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
MAX
Low compressor
pressure
(6 - Fig. 5)
bar/psi
MAX
Max. vacuumed
material level
(7 - Fig. 5)
Primary filter
(9 - Fig. 5)
Absolute filter
(class H models)
(10 - Fig. 5)
WARNING!
If the vacuum cleaner belongs to the M or H class,
use only hoses with diameters that comply with the
indications in the Technical data table.
WARNING!
Consult the "Troubleshooting" chapter if faults occur.
7
S2 / S3
Figure 8
Indicator Vacuum cleaner state
colour and procedure
Suction stopped.
Check the compressor
Red
is functioning properly (if
installed).
Suction stopped.
Empty the container
Red
(see relevant
paragraph).
Suction on.
Use the primary filter
shaker after stopping
Red
the vacuum cleaner (on
models with a manual
filter shaker).
Suction on.
Change absolute filter
Red
(see relevant
paragraph).
GB
C343