2 | Product Description
6 | 36
Instruction Manual COBRA BA 0100 C_EN_en
The machine is allowed to operate at
≥
150 mbar abs. for up to 5 minutes.
Guideline for maximum recommended chamber size to be evacuated from atmospheric pressure to
<100 mbar:
Pump drive
Maximum chamber size (liters)
Direct drive 50 or 60Hz - Machine without VSD (Variable
Speed Drive)
300
Machine with VSD, voltage supply 200-240V
1000
Machine with VSD, voltage supply 380-480V
3000
How to identify a machine with VSD?
●
Check if the machine is equipped with a Communication port (COM) or a Variable Speed Drive
(VSD), see Product Description [
The machine is intended for indoor placement in a non-potentially explosive environment.
Permitted environmental conditions, see Technical Data.
2.3
Drive Variants
The machine can be equipped with either a direct drive or a variable speed drive (option).
2.4
Standard Features
2.4.1
Wheels
Four wheels are fitted to the bottom of the machine to facilitate transportation and installation.
2.4.2
Emergency Stop Switch
The machine is equipped in standard with an emergency stop switch (ESS).
2.4.3
I/O and Communication Port (only with VSD)
The D-Sub 15 supports maintained dry contact remote control and monitoring of the machine.
2.4.4
Silencer
A silencer at the discharge connection (OUT) is provided as standard to reduce the exhaust gas
noise.
2.5
Optional Accessories
2.5.1
Nitrogen System
The nitrogen connection (NC) supplies nitrogen or clean dry compressed air for:
– The barrier gas system (gas sealing between the compression chamber and gears/bearing
housing).
– The dilution gas system.
