33
20 m/sV<
Auto
ACHTUNG ! Hauptschalter
trennt Maschine nicht vom Druckluftnetz !
ATTENTION ! Main switch does not
disconnect pneumatic power supply !
!
"
#
$ %
I
II
III
Dust Extractor
RL 250 / RL 300 / RL 350
Operation
Attention!
As soon as the warning light on the front of the machine lights up, switch the machine off with the red
switch to activate the filter cleaning cycle.
The main switch has to remain switched on.
Manual filter cleaning cycle - Switch position I:
1. Switch off the device and wait for the ventilator to
come to a halt.
2. Switch position I
3. Filter cleaning cycle:
The filter cleaning cycle is started immediately.
Automatic filter cleaning cycle - Switch positions II and
III:
The automatic filter cleaning cycle is activated if:
1. the device has been operating for at least half an
hour, or
2. the total time which the machine has been operating
exceeds half an hour, or
3. as soon as the filter is clogged and the warning light
on the front of the machine lights up.
The in-built filter elements will be cleaned automatically
the next time the machine has come to a standstill.
Fig. 7-5: Pneumatic filter cleaning device
7.4.1 Dedusting the filter
The filter is cleaned fully automatically via the control
depending on the running time of the ventilating fan,
and/or how full the filter is. The cleaning process in the
operating pauses also takes place fully automatically.
The pause periods between the cleaning times are prede-
termined and may not be adjusted by the operator.
The cleaning process can also be triggered manually if
required.
If the clear air dust extractors are mainly providing
suction for machines, which produce a lot of dust ( stroke
sanders or wide-belt sanders), we would recommend that
after 30 minutes of continuous use that the extraction
system is turned off for regeneration purposes. The clea-
ning process then begins automatically and only takes
2 minutes. The clean air dust extraction unit is then fully
operational again.
!Main switch
"Machine mode selector
#Green push button
$Red push button
%Warning light: Filter contents level monitoring
Note: Filter cleaning cycle
Time interval until the the start of dedusting the filter: 30 minutes
Change the value (10 minutes): Please contact the FELDER customer service!
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