BUSCH COBRA NF 0750 A, Instruction Manual

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Product Description | 2
Instruction Manual COBRA NF 0750 A - NF 0950 A WCV_EN_en 7 | 44
WARNING
A specific Oxygen version (see nameplate) can convey process gas with > 21% vol. oxygen.
The following warning and precautions additionally apply for the Oxygen version if process
gas with > 21% vol. is drawn:
●
The barrier gas system is mandatory, see Sealing Systems [
➔
8] and Barrier Gas System [
➔
8].
●
Installation conditions: the installation area must be ventilated in such a way to prevent unaccept-
able levels of oxygen, see
Installation Conditions [
➔
12].
●
Use only a type of oil approved and recommended by Busch for oxygen applications, see Filling
Oil [
➔
16] and Oil [
➔
41].
●
Follow the additional commissioning instructions, see Commissioning [
➔
22].
●
Follow the additional maintenance instructions, see Maintenance [
➔
26] and Oil Change [
➔
32].
●
Use only Busch genuine spare parts, see Spare Parts [
➔
37].
Nameplate of the oxygen version of the machine
NOTICE
Chemical compatibility of the process gases with the machine component materials.
Risk of corrosion inside the compression chamber which can reduce performance and its life-
time!
●
Check if the process gases are compatible with those following materials:
- Cast iron
- Steel
- Stainless Steel
- Aluminum
- Fluor elastomer (FKM/FPM)
●
In doubt, please contact your Busch representative.
2.3 Start Controls
The machine comes without start controls. The control of the machine is to be provided in the
course of installation.
The NF 0950 A must be equipped with a variable speed drive* for 72Hz operation.
The NF 0750 A must be operated at 60Hz with a variable speed drive* or on a grid with 60Hz supply
frequency.
* not included in the scope of supply