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Instruction Manual COBRA NC 2500 B WCV_EN_en
2.5 Optional Accessories
2.5.1 Silencer
A silencer at the discharge connection (OUT) can be provided to reduce the exhaust
gas noise.
2.5.2 Vibration Diagnostic Unit
The vibration diagnostic unit monitors the correct mechanical operation of the ma-
chine.
This unit is composed of a vibration sensor (SA) and a diagnostic electronics VSE100
(delivered loose).
The machine must be stopped when the vibration limit value (preset at the factory) is
reached, see
Wiring Diagram Vibration Diagnostic Unit [
2.5.3 Mechanical Seals
The sealing systems can be equipped with mechanical seals. The following variants
are possible:
– Oil lubricated single mechanical seals on the motor side and labyrinth seals on the
suction side.
– Oil lubricated single mechanical seals on the motor side and suction side.
