Hydac OLS 10-Z Series, Installation And Maintenance Instructions Manual

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HYDAC FILTER SYSTEMS GMBH Assembly/Installation | 5
MoWa OLS10-Z-x 4573340 en-us web 41 / 72
8. Tighten the central screw (3) to a maximum of 40 Ncm.
NOTICE! Avoid visible deformation of the housing of the
connector plug.
9. The water drain valve is electrically connected.
5.4.2 Monitoring the water drain valve
Check the closing function of the water drain valve. If the water
drainage valve does not close, a switch off of the unit or the INLET
OIL inlet must be carried out.
If the phase boundary sensor detects water at the upper switch
point L1 for > 10 seconds, then the water drain valve is opened 12
seconds.
If the phase boundary sensor detects water at the upper switch
point L1 for longer than 22 seconds, an error message is output,
followed by switching off the motor pump assembly group.
5.4.3 Connecting the phase boundary sensor
Connect the phase boundary sensor, details with regard to that
can be found in the chapter
Documentation regarding the compo-
nents [
}
53] .
5.4.4 Monitoring the phase boundary sensor
If the phase boundary sensor detects water at the upper switch
point L1 for > 10 seconds, then the water drain valve must be
opened 12 seconds.
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