Operating Manual for FAN Press Screw Separator PSS 1.2/3.2/3.3/5.2
15 ACCESSORIES
15.1 SEPARATOR CONTROL
The connection of the switch cabinet to the electrical supply and the connection
of the separator motor to the switch cabinet must be performed by an electrical
expert. The cable dimensions and the preliminary fuse must correspond to the
power specifications.
The FAN separator is generally delivered with an electrical switch cabinet that was designed for pre-
cisely your application (option).
Normally, the switch cabinet has additional connections, e.g. for the feed pump, the fill level sensor,
etc., which are controlled by the switch cabinet or which control the operation of the separator. The cir-
cuit diagrams contained in the switch cabinet explain the individual electrical connections, the cabling
and the circuits. Your electrician requires these circuit diagrams to connect the separator to the switch
cabinet and your local power supply.
Every part and every component in the switch cabinet is numbered and listed in the parts list for the
switch cabinet, which is appended to the circuit diagrams in the switch cabinet. Additional information
required for ordering replacement parts, such as the manufacturer, can be determined based on these
article numbers.
The correct installation of the switch cabinet is absolutely essential for faultless opera-
tion. It is also absolutely essential that the operating personnel are familiar with the vari-
ous settings on the switch cabinet.
15.2 FILL LEVEL SENSOR
The FAN press screw separator can be option-
ally equipped with a mechanical fill level sen-
sor. The standard separator housing is de-
signed with a cut-out for this in the inflow area.
The cut-out is typically closed with a dummy
cover.
The fill level sensor prevents dry running of the
separator by switching off the geared motor if
the medium in the separator falls below a spe-
cific volume. (The functioning of the supply
pump to the separator is monitored; the separa-
tor is switched off if the pump fails. The control
unit must be prepared accordingly.)
It should be ensured that the separator does not run for too long without medium in order to avoid
damage to the screen and auger.
Functioning:
The weight of the medium presses against the membrane of the fill level sensor. A tappet transmits the
pressure from the membrane to the switch. If the medium level falls, the pressure on the membrane is
relieved and the switch is switched back.
The fill level sensor is connected in the switch cabinet and switches off the geared motor when the
medium in the separator falls below a certain volume.
Abb. 15-1 Fill level sensor
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