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Operation and maintenance manual, Discfilter HSF2200-1/2F PFC
5.2.5 Setting of level relay
NB Prior to servicing, read section 2.7.
The sensitivity of the level sensor can be set from MIN to
MAX on the level relay’s upper adjusting screw.
The lower adjusting screw must always point to the side
marked EMPTY, on this side there are three different sensi-
tivity ranges, H, S and L. If appropriate sensitivity cannot be
set using the selected sensitivity range, another sensitivity
range can be chosen.
5.3 Backwash system
NB Prior to a service, read section 2.7.
The system pressure for backwashing must be set to 7-9 bar.
Newly connected pipe systems for external wash water should be flushed before they are con-
nected to the filter.
Figure 5.4 Adjusting the level sensor.