Instruction book
16 6996 0227 40
the oil flows through the oil cooler. The filtered oil flows into the vacuum pump element (E).
Cooling
The cooling system has an oil cooler (Co).
The fan (FN) blows air over the coolers. This fan is set to run on or off, depending on the operating
conditions, according to a specific algorithm.
2.4 Condensate system
When discharge piping is used, water in the discharge air can condense in the piping and is accumulated
in the collector of the outlet pipe, where a drain point (Dr) is available.
When the pump leaves the factory, this drain point is sealed with a threaded plug, but can be exchanged
by a G1/4" connector with tube to drain the condensate. Preventing condensate collection in the oil
separator will extend oil life.
Consult local regulations, which are applicable for water drainage.
2.5 Regulating system
Description
If the vacuum process demand is less than the throughput of the vacuum pump, the vacuum pressure
decreases. When the pressure is lower than the set-point (desired vacuum pressure), the regulator
decreases the motor speed.
If the vacuum pressure decreases and the motor operates at minimum speed, the regulator stops the
motor. When the motor is stopped automatically and the vacuum pressure comes to the set-point, the
regulator starts the motor again.
Turbo version
The regulation system of the Turbo version is designed to handle fast cycling duties. When the vacuum
pressure reaches the set-point, the regulator will keep the motor running at increased speed for an
adjustable time before the regulator decreases the motor speed.
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