Operating Manual for FAN Press Screw Separator 1.2/3.2/3.3/5.2
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5.1 SETUP AND OPERATION OF THE MOTOR
The motors in the standard design are suitable for operation up to a maximum ambient temperature of
+40 °C (104 °F) as well as an elevation of up to 1000 m above sea level.
Conditions of high humidity (e.g. locations near to the coast) and extreme sunlight as well as installa-
tion in areas at risk to explosion (gas: max. zone 2 (G)) require special designs for the gears and mo-
tors. Consult the manufacturer concerning such designs.
The motors must be set up to allow unimpeded inflow of fresh air and dispersal of warm air. Removal
of the fan blade and the fan housing or enclosing the motor in a housing are prohibited since the sup-
ply of cooling air would be reduced in both cases. This would cause the motor to overheat.
Before making changes or inspecting the motor or switch cabinet, the machine
must be disconnected on all sides and all poles and secured against reactivation!
Always keep the switch cabinet closed!
It must be noted that a pressed EMERGENCY OFF button does not provide any
protection against unauthorized starting of the machine.
5.2 CONDENSATE HOLE
We recommend a condensate hole on motors that are subjected to high temperature fluctuations or
extreme climatic conditions.
A motor protection circuit breaker or a protective device with overload relay must always
be installed to protect the motor winding (for the explosion-protected separator design,
suitable motor protection must be selected). Fuses do not protect the motor from over-
loads; they only protect the electrical supply lines or switching systems from damage in
event of a short-circuit.
5.3 INSTALLATION WITHOUT SWITCH CABINET
If the FAN press screw separator was delivered or ordered without a switch cabinet, a few
basic rules must be followed in controlling the separator; otherwise, the warranty is void:
The motor must be equipped with electrical protection to prevent impermissible current loads
exceeding the rated current on the type plate.
Operating the press screw separator without an inflow of material must be prevented by means
of electrical control since dry running would otherwise result in increased wear on the screen
and auger, which would significantly reduce their service lives. For this reason, the separator
should be started up along with the start of the medium supply and stopped between 1 to 2
minutes after the medium supply is stopped.
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