Filters Replacement - Nederman Filterbench Bedienungsanleitung

EN FilterBench
intervals stated. The briefest interval shall apply. If any wear or similar is
found, the faulty parts must be replaced.
10.1

Filters replacement

WARNING! Risk of injury, fire or explosion
Always isolate the mains power before changing filters or removing any
components from the FilterBench.
WARNING! Risk of injury.
Do not remove the filter module when changing the carbon filters.
When filter G4 (Fig. 2, Pos. 5) gauge reads 350Pa the extraction rate will
be 1.0m/s (the minimum required air speed). At the point the G4 filter
(Fig. 5, Pos. B) will require replacement
When filter HEPA (Fig. 2, Pos. 6) gauges reads 600Pa the HEPA filter
(Fig. 5, Pos. C) will require imminent replacement.
The filter cannot be cleaned and must be replaced when dirty.
The filter are disposable and should be discarded after use.
Filter replacement
Description of filter replacement is shown on Fig. 5:
1. The pressure gauge will indicate the indicate the initial (clean) pressure of
the system. Note this initial reading when the filter is commissioned.
2. To gain access to the filter, release the door latches and lift off the door.
3. Lower levers [A] into the horizontal position.
4. The filters [B] and [C] can now be withdraw.
To refit the filter(s), place in the runners with seal uppermost and push fully
home.
Then raise both levers [A] into the vertical position, and the filter(s) will be
locked into place.
Replace the door.
Carbon filter replacement
Carbon filter replacement is shown on Fig. 6.
As the carbon media is used, the COLOURCELL responds to changes in the
condition of the activated carbon by providing a visual indication as follows:
Colour A Media is new/good condition
Colour B Media in use with some useful life
Colour C Media becoming used - breakthrough may occur. Remove
Colour D Media fully spent-no life remaining and the filters needs to be
60 QMM043(A)
a sample and crush - if the interior is purple this confirms that
there is still useful media life.
replaced.