BUSCH COBRA NC 0600 C Instruction Manual
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BUSCH COBRA NC 0600 C Instruction Manual

Atex dry screw vacuum pumps
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Instruction Manual
COBRA ATEX
Dry Screw Vacuum Pumps
NC 0600 C (water-cooled version)
NC 0630 C (water-cooled version)
Ateliers Busch S.A.
Zone industrielle, 2906 Chevenez
Switzerland
0870201731/-0003_en / Original instructions / Modifications reserved
14/05/2018

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Summary of Contents for BUSCH COBRA NC 0600 C

  • Page 1 Instruction Manual COBRA ATEX Dry Screw Vacuum Pumps NC 0600 C (water-cooled version) NC 0630 C (water-cooled version) Ateliers Busch S.A. Zone industrielle, 2906 Chevenez Switzerland 0870201731/-0003_en / Original instructions / Modifications reserved 14/05/2018...

  • Page 2: Table Of Contents

    Table of Contents Table of Contents 1 Safety........................... 4 2 Product Description ..................... 5 2.1 Operating Principle....................7 2.2 Application ......................7 2.3 Standard Features....................8 2.3.1 Water Cooling ...................8 2.3.2 Thermometer.....................8 2.3.3 Sealing Systems ..................8 2.3.4 Barrier Gas System ..................8 2.3.5 Nitrogen Panel...................8 2.4 Accessories ......................
  • Page 3 Table of Contents 5.10 Flowchart ......................31 6 Commissioning......................32 6.1 Conveying Condensable Vapours ................. 33 6.2 Liquid Flushing Procedure..................33 6.3 Gas Purging Procedure ..................34 7 Maintenance ........................ 34 7.1 Maintenance Schedule..................35 7.2 Oil Level Inspection ....................35 7.3 Cooling Liquid Level Inspection ................

  • Page 4: Safety

    Safety Prior to handling the machine, this instruction manual should be read and understood. If anything needs to be clarified, please contact your Busch representative. Read this manual carefully before use and keep for future reference. This instruction manual remains valid as long as the customer does not change anything on the product.

  • Page 5: Product Description

    Product Description | 2 Product Description NC 0600 C ATEX 2G(i/o) (only the obligatory accessories are illustrated) FME, IN, IS TSA+/0102 SA+/0701 FS-/0501* MAN FME MAN BGC, PSA or PS+ TSA+/0103 /0301 * recommended ODP, MP Barrier gas connection Condensate drain Cooling liquid drain valve Cooling liquid fill plug Cooling liquid pump...
  • Page 6 2 | Product Description NC 0630 C ATEX 3G(i/o) (only the obligatory accessories are illustrated) TSA+/0102 NC 0630 C with silencer and gas ballast valve (Options) MAN BGC ODP, MP Barrier gas connection Condensate drain Cooling liquid drain valve Cooling liquid fill plug Cooling liquid pump Cooling liquid vent plug Cooling water inlet...

  • Page 7: Operating Principle

    (NP), see Explanation of ATEX Classification [► 10]. In case Busch delivered the machine without motor and coupling, the following must be observed: •...

  • Page 8: Standard Features

    2 | Product Description 2.3 Standard Features 2.3.1 Water Cooling The machine is cooled by a cooling liquid circuit in the cylinder cover and cylinder. The cooling liquid pump (CLP) allows a recirculating flow in the cooling liquid chamber. The cooling liquid is cooled by a plate heat exchanger (PHE) which must be connected to the water main.

  • Page 9: Gas Ballast Valve

    Product Description | 2 2.4.1 Gas Ballast Valve The gas ballast valve mixes the process gas with a limited quantity of ambient air to counteract the condensation of vapour inside the machine. The gas ballast valve has an influence on the ultimate pressure of the machine, see Tech- nical Data [► 45].

  • Page 10: Terminal Box

    • Make sure that the recommendations described in this manual correspond to the ATEX marking written on the nameplate (NP). • If anything needs to be clarified, please contact your Busch representative. The safety concept is based on the prevention of sparks and excessive temperatures by means of various accessories.

  • Page 11: Atex Classifications And Associated Accessories

    Product Description | 2 The monitoring devices must be integrated into the system control such that operation of the machine will be inhibited if the safety limit values are exceeded. The limit values of each accessory are defined in the wiring diagram chapters, see Electrical Connection of the Monitoring Devices [► 27].

  • Page 12: P&Id "Piping And Instrumentation Diagram

    2 | Product Description 2.6.2 P&ID "Piping and Instrumentation Diagram" P&ID for classification A , B , C and G G1/4 DN100 ISO-K DN100 PN16 Flushing liquid device Flushing liquid device Obligatory for Obligatory for (i) II 2G IIC T3 X 0503 classification : (o) II 2G IIC T3 X...
  • Page 13 Product Description | 2 P&ID for classification D , E and F G1/4 DN100 ISO-K Flushing liquid device Flushing liquid device DN100 PN16 0503 0201 Purge gas system Purge gas system 0202 0501 0701 G1/2 Barrier gas system Barrier gas system 0504 G1/2 55°C...

  • Page 14: Transport

    3 | Transport Transport WARNING Suspended load. Risk of severe injury! • Do not walk, stand or work under suspended loads. NOTICE In case the machine is already filled with oil. Tilting a machine that is already filled with oil can cause large quantities of oil to in- gress into the cylinder.

  • Page 15: Installation

    Connection [► 17]. If the machine is installed at an altitude greater than 1000 meters above sea level: • Contact your Busch representative, the motor should be derated or the ambient temperature limited. If additional electrical components not included in scope of delivery should be added: •...

  • Page 16: Connecting Lines / Pipes

    If a purge gas system or a liquid flushing device being installed: – DN100 PN16, EN 1092-1 If the machine is used as part of a vacuum system: • Busch recommends the installation of an isolation valve in order to prevent the machine from turning backwards. 5.2.2 Discharge Connection...

  • Page 17: Cooling Water Connection

    Installation | 5 – R3 • Make sure that the discharged gas will flow without obstruction. Do not shut off or throttle the discharge line or use it as a pressurised air source. • Make sure that the counter pressure at the discharge connection (OUT) does not ex- ceed the admissible pressure, see Technical Data [► 45].

  • Page 18: Barrier Gas System Connection

    5 | Installation 5.2.4 Barrier Gas System Connection FME, FS-/0501 Barrier gas connection Flow meter Flow switch Manometer Solenoid valve Nitrogen panel Pressure regulating valve • Connect the barrier gas connection (BGC) to the gas supply. Connection size: – G1/4, ISO 228-1 •...

  • Page 19: Dilution Gas System Connection (Optional)

    Installation | 5 5.2.5 Dilution Gas System Connection (Optional) FME, FR, FS-/0504 (optional) Dilution gas connection Flow meter Flow regulator Flow switch Manometer Solenoid valve Nitrogen panel Pressure regulating valve • Connect the dilution gas connection (DGC) to the gas supply. Connection size: –...

  • Page 20: Purge Gas System Connection

    5 | Installation 5.2.6 Purge Gas System Connection FME, FR, FS-/0503 (optional) Purge gas connection Flow meter Flow regulator Flow switch Inlet flange Manometer Solenoid valve Nitrogen panel Pressure regulating valve • Connect the purge gas connection to the gas supply. Connection size: –...

  • Page 21: Earth Connection

    Earth connection of the machine (ECP) 5.4 Filling Oil NOTICE Use of an inappropriate oil. Risk of premature failure! Loss of efficiency! • Only use an oil type which has previously been approved and recommended by Busch. 0870201731_NC0600_0630C_WCV_Ex_-0003_IM_en 21 / 48...
  • Page 22 5 | Installation For oil type and oil capacity see Technical Data [► 45] and Oil [► 45]. Oil filling at the motor side Check oil level Oil filling at the suction side Check oil level When the oil filling is achieved: •...

  • Page 23: Filling Cooling Liquid

    Change interval see instruction manual If there is no sticker on the pump: • Order it from your Busch representative. 5.5 Filling Cooling Liquid For cooling liquid type and cooling liquid capacity see Technical Data [► 45] and Cooling Liquid [► 45].

  • Page 24: Liquid Flushing Device Installation (Optional)

    5 | Installation 5.6 Liquid Flushing Device Installation (Optional) LS-/0201 LS/-0202 Flushing liquid fill plug Flushing liquid vessel Flow regulator Inlet flange Level indicator Level switch Solenoid valve • Electrically connect the solenoid valve (MV), see Wiring Diagram Solenoid Valve [► 27].

  • Page 25: Electrical Connection

    • Provide overload protection according to EN 60204-1 for the motor. • Make sure that the motor of the machine will not be affected by electric or electro- magnetic disturbance from the mains; if necessary seek advice from Busch. • Connect the protective earth conductor.

  • Page 26: Wiring Diagram Three-Phase Motor (Pump Drive)

    5 | Installation 5.8.1 Wiring Diagram Three-Phase Motor (Pump Drive) Delta connection (low voltage): Star connection (high voltage): Double star connection, multi-voltage Star connection, multi-voltage motor motor with 12 pins (low voltage): with 12 pins (high voltage): Delta connection, multi-voltage motor with 12 pins (middle voltage): NOTICE Incorrect direction of rotation.

  • Page 27: Wiring Diagram Solenoid Valve

    = 230 VAC [► 40] 5.9 Electrical Connection of the Monitoring Devices NOTE In order to prevent potential nuisance alarms, Busch allows that the control system is configured with a time delay of 2 seconds. NOTE The accessories below are considered as standard.

  • Page 28: Wiring Diagram Resistance Thermometer

    5 | Installation 5.9.1 Wiring Diagram Resistance Thermometer Part no.: Wiring with transmitter: PT100: 0651 550 436 Transmitter: 0643 536 800 Supplier reference: PT100: Albert Balzer AG ref. TWBa-ADX50XG1/4X90DACB Transmitter: Endress+Hauser 1 = Brown ; 2 = Blue ref. TMT 187-B41FJA Maintenance procedure: Wiring without transmitter: Procedure A P&ID position:...

  • Page 29: Wiring Diagram Pressure Transmitter

    Installation | 5 5.9.3 Wiring Diagram Pressure Transmitter Part no.: 0653 537 031 ® 0653 541 862 (Hastelloy version) Supplier reference: ACS Precont Ex S10 Maintenance procedure: Procedure C 1 = Brown ; 3 = Blue Connector: M12x1, 4-pin P&ID position: PSA+/0301 Electrical data:  = 27.3 VDC ;...

  • Page 30: Wiring Diagram Flow Switch

    5 | Installation 5.9.5 Wiring Diagram Flow Switch Part no.: No Busch ref. (integrated into the 1 (+) flow switch) Supplier reference: Pepperl+Fuchs RC15-14-N3 2 (-) Maintenance procedure: 1 = Brown ; 2 = Blue Procedure E [► 40] P&ID position: FS-/0501 “barrier gas flow”...

  • Page 31: 48 0870201731_Nc0600_0630C_Wcv_Ex_-0003_Im_En

    Installation | 5 5.10 Flowchart The machine safety depends on the monitoring accessories sequencing according to the following flowchart. Start Time since startup > 4 min? Warning: T < T trip? T < T warning? High cooling liquid temperature ! Warning: T <...

  • Page 32: Commissioning

    6 | Commissioning Commissioning WARNING The machine is still running after a monitoring device has tripped. Risk of severe injury! Risk of explosion! • Follow the Trip Procedure. NOTICE The machine is shipped without oil. Operation without oil will ruin the machine in short time! •...

  • Page 33: Conveying Condensable Vapours

    Commissioning | 6 • Make sure that the maximum permissible number of starts does not exceed 2 starts per hour. • Make sure that the operating conditions are complied with, see Technical Data [► 45]. • After a few minutes of operation, perform an Oil Level Inspection [► 35]. •...

  • Page 34: Gas Purging Procedure

    Failing to properly maintain the machine. Risk of premature failure! Loss of efficiency! • Respect the maintenance intervals or ask your Busch representative for service. • Shut down the machine and lock against inadvertent start up. • Turn off the water supply.

  • Page 35: Maintenance Schedule

    • Check the cooling liquid level, see Cooling Liquid Level Inspection [► 36]. • Check the machine for oil leaks - in case of leaks have the machine repaired (contact Busch). Yearly • Carry out a visual inspection and clean the machine from dust and dirt.

  • Page 36: Cooling Liquid Level Inspection

    • Let the machine cool down. • Fill up if necessary, see Filling Cooling Liquid [► 23]. 7.4 Replacing the Gas Ballast Filter (Optional) Busch genuine spare parts Gas ballast filter: part no. 0562 550 434 Discard the part 7.5 Oil Change NOTICE Use of an inappropriate oil.
  • Page 37 Maintenance | 7 Oil draining at the motor side Magnetic plug Cleaning cloth Drain pan Oil draining at the suction side Magnetic plug Cleaning cloth Drain pan 0870201731_NC0600_0630C_WCV_Ex_-0003_IM_en 37 / 48...
  • Page 38 7 | Maintenance For oil type and oil capacity see Technical Data [► 45] and Oil [► 45]. Oil filling at the motor side Check oil level Oil filling at the suction side Check oil level When the oil filling is achieved: •...

  • Page 39: Cooling Liquid Change

    Last oil change __ / __ / ____ Oil type see nameplate Change interval see instruction manual If there is no sticker on the pump: • Order it from your Busch representative. 7.6 Cooling Liquid Change 0870201731_NC0600_0630C_WCV_Ex_-0003_IM_en 39 / 48...

  • Page 40: Calibration Procedure Of The Electrical Devices

    7 | Maintenance For cooling liquid type and cooling liquid capacity see Technical Data [► 45] and Cooling Liquid [► 45]. Fill up to the top of the vent orifice 7.7 Calibration Procedure of the Electrical Devices 7.7.1 Procedure B • Remove the pressure switch from the machine. •...

  • Page 41: Overhaul

    • Decontaminate the machine as well as possible and state the contamination status in a ‘Declaration of Contamination’. Busch will only accept machines that come with a completely filled in and legally binding signed ‘Declaration of Contamination’. (Form downloadable from www.buschvacuum.com) Decommissioning •...
  • Page 42 9 | Decommissioning • Dispose of the machine as scrap metal. 42 / 48 0870201731_NC0600_0630C_WCV_Ex_-0003_IM_en...

  • Page 43: Spare Parts

    • The exclusive use of Busch genuine spare parts and consumables is recommended for the proper function of the machine and for granting of warranty. There is no standard spare parts kits available for this product, if you require Busch gen- uine parts: •...
  • Page 44 • Seek advice from your local Busch representa- tive. Process deposits on the • Flush the machine. pumping components If an inlet screen or an inlet •...

  • Page 45: Technical Data

    Technical Data | 12 12 Technical Data NC 0600 C NC 0630 C Pumping speed m³/h 600 / 600 630 / 630 (50Hz / 60Hz) Ultimate pressure (without gas ballast) hPa (mbar) abs. ≤0.01 Ultimate pressure (with gas ballast) hPa (mbar) abs. ≤0.1 Nominal motor rating 18.5 / 18.5 15 / 17...

  • Page 46: Eu Declaration Of Conformity

    This Declaration of Conformity and the CE-mark affixed to the nameplate are valid for the machine within the Busch scope of delivery. This Declaration of Conformity is issued under the sole responsibility of the manufacturer. When this machine is integrated into a superordinate machinery the manufacturer of the superordinate machinery (this can be the operating company, too) must conduct the conformity assessment process for the superordinate machine or plant, issue the Declaration of Conformity for it and affix the CE-mark.
  • Page 47 Note...
  • Page 48 Czech Republic Netherlands Turkey www.buschvacuum.cz www.busch.nl www.buschvacuum.com Denmark New Zealand United Arab Emirates www.busch.dk www.busch.com.au www.busch.ae Finland Norway United Kingdom www.busch.fi www.busch.no www.busch.co.uk France Peru www.busch.fr www.busch.com.pe www.buschusa.com Germany Poland www.busch.de www.busch.com.pl www.buschvacuum.com 0870201731/-0003_en / © Ateliers Busch S.A.

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