Operating manual BDC-33-230V-P
7/14
US
www.blastrac.com ‒ [email protected]
Controls, indicators and connections
Figure 4
1.
Castor lever
2.
Main switch
3.
Start button
4.
Stop button
5.
Voltage presence white indicator
6.
Thermal protection operation red indicator
7.
Pressure governor
Inspections prior to starting
Figure 5
1.
Inlet
Prior to starting, check that:
■
The filter is installed.
■
All latches are tightly locked;
■
The vacuum hose and tools have been correctly fitted
into the inlet (
1
);
■
The bag or safety container is installed, if applicable.
Do not use the device if the filter is faulty.
Starting up
Figure 6
1.
Castor brakes
Lock the castor brakes before starting the vacuum cleaner (
1
).
Starting/stopping the vacuum cleaner
■
Turn the switch (
2
) (figure 4) to “I” position to
electrically power the vacuum cleaner. The voltage
presence indicator (
5
) (figure 4) comes on.
■
Push the start button (
3
) (figure 4) to start the vacuum
cleaner.
■
Push the stop button (
4
) (figure 4) to stop the vacuum
cleaner.
■
Turn the switch (
2
) (figure 4) to “0” position to turn off
the electrical power of the vacuum cleaner.
■
The equipment is supplied with clapet valve (2),
which is installed on the motor blower channel. This
component has the function of closing the blower
channel in case of machine start-up with inverted
phases; this prevents the air from being blowed (insted
of aspirated) from the suction inlet.
■
When starting the machine, check the correct direction
of rotation of the compressor, indicated by the arrow
(3) on the protection cover.
WARNING!
Check the pressure of the air used to clean the
filters which is produced by the compressor.
It must never be superior than 5,5 bars, if
necessary, adjust it to the correct level using the
related pressure governors.
WARNING!
The activation of the indicator (6) (figure 4) signals
the operation of the vacuum unit thermal protection
due to the excessive electrical power draw of the
unit.
Emergency stopping
Turn the main switch (
2
) (figure 4) to “0” position.
Operation of the filtering cartridges
Figure 9
1.
Electropneumatic device
2.
Filter cartridges
3.
Timer
The filtering cartridges (
2
) serve the purpose of filtering
the intake air. The vacuum cleaner is equipped with a fully
automatic electropneumatic device (
1
) to alternately clean
the filtering cartridges (
2
), which guarantees continuous
service.
Powered with a 24V rating, is complete with cyclic timer (
3
)
to regulate the following times:
T3
= time between one cleaning cycle and the next, set on 0
seconds;
T2
= time between one cleaning operation of the cartridge
(
2
) and the next, set on 20 seconds;
T1
= opening time of the solenoid valve for backwashed air
exhaust into the cartridge, set at 2 ÷ 3 tenths of a
second. The shorter the time, the more energetic the
cleaning action will be.
Check the arrows on the knobs of the timer (
3
) for the
exact regulation.
Factory setting should not be changed if without
consulting Blastrac.
The three solenoid valves of the electropneumatic device
control the cleaning of the relative filter cartridges.
Содержание BDC-33-230V-P
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