BUSCH COBRA NC 0100 B Instruction Manual
Dry screw vacuum pumps
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- Page 1 COBRA Dry Screw Vacuum Pumps NC 0100 B, NC 0200 B, NC 0300 B Air-Cooled Version (ACV) Instruction Manual 0870573307 | -0004_en-US | Original instructions 10/28/2022...
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Page 2: Table Of Contents
Table of Contents Table of Contents Safety..................................Product Description ............................. Operating Principle ............................. Intended Use ............................... Start Controls ............................... Standard Features............................... 2.4.1 Air Cooling ............................. 2.4.2 Temperature Switch ..........................2.4.3 Sealing Systems............................. Optional Accessories............................2.5.1 Gas Ballast Valve ........................... 2.5.2 Silencer .............................. - Page 3 Table of Contents Oil Change................................Cooling Liquid Change ............................Overhaul................................Decommissioning..............................10.1 Dismantling and Disposal ..........................Spare Parts................................Troubleshooting..............................Technical Data ..............................Cooling Liquid............................... Oil ................................... EU Declaration of Conformity..........................UK Declaration of Conformity ..........................Instruction Manual COBRA NC 0100-0300 B ACV_EN_en 3 | 48...
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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 ODP, ODP, MP Description Suction connection (Inlet) Discharge connection (Outlet) Air-water heat exchanger Condensate drain Cooling liquid drain plug Cooling liquid fill plug Cooling liquid sight glass Cooling liquid pump Cooling liquid vent plug Eye bolt Gas ballast valve Level indicator... -
Page 6: Operating Principle
Conveying of other media leads to an increased thermal and/or mechanical load on the machine and is permissible only after a consultation with Busch. The machine is intended for the placement in a non-potentially explosive environment. The machine is capable of maintaining ultimate pressure, see Technical Data. -
Page 7: Start Controls
Product Description | 2 Start Controls The machine comes without start controls. The control of the machine is to be provided in the course of installation. The machine can be equipped with a variable speed drive (option). Standard Features 2.4.1 Air Cooling The machine is cooled by a cooling liquid circuit in the cylinder cover and cylinder. -
Page 8: Nitrogen Panel
2 | Product Description 2.5.5 Nitrogen Panel The nitrogen panel fitted to the base frame allows the supply of nitrogen to a number of different points on the machine. Each device consists of a pressure regulator and a flow meter to adjust pressure and volume flow separately. -
Page 9: Transport
Transport | 3 Transport WARNING Suspended load. Risk of severe injury! ● Do not walk, stand or work under suspended loads. WARNING Lifting the machine using the motor eye bolt. Risk of severe injury! ● Do not lift the machine using the eye bolt fitted to the motor. Only lift the machine as shown. NOTICE In case the machine is already filled with oil. -
Page 10: Storage
4 | Storage Storage ● Seal all apertures with adhesive tape or reuse provided caps. If the machine is to be stored for more than 3 months: ● Wrap the machine in a corrosion inhibiting film. ● Store the machine indoors, dry, dust free and if possible in original packaging preferably at temperatures between 5 ... -
Page 11: Installation
Installation | 5 Installation Installation Conditions WARNING If the machine is installed in a potentially explosive environment or if the machine is used to draw toxic, inflammable or non-inert gases: Risk of injuries! Risk of death! ● Ensure that the machine complies with all local, national rules and safety regulations. NOTICE Use of the machine outside of the permitted installation conditions. -
Page 12: Connecting Lines / Pipes
– DN50 PN16, EN 1092-1 for NC 0200 B and NC 0300 B 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. -
Page 13: Discharge Connection
Installation | 5 5.2.2 Discharge Connection NOTICE Discharge gas flow obstructed. Risk of damage to the machine! ● Make sure that the discharged gas will flow without obstruction. Do not shut off or throttle the discharge line or use it as a pressurized air source. Connection size(s): At the machine discharge connection: –... -
Page 14: Dilution Gas System Connection (Optional)
5 | Installation ● Connect the barrier gas connection (BGC) to the gas supply. Connection size: – G1/4, ISO 228-1 ● Electrically connect the flow switch (FS) of the flow meter, see Wiring Diagram Flow Switch [➔ 25]. If a pressure switch is installed: ●... -
Page 15: Purge Gas System Connection (Optional)
Installation | 5 ● Connect the dilution gas connection (DGC) to the gas supply. Connection size: – G1/4, ISO 228-1 ● Electrically connect the solenoid valve (MV), see Wiring Diagram Solenoid Valve [➔ 24]. ● Make sure that the gas complies with the following requirements: Gas type Dry nitrogen Gas temperature... -
Page 16: Filling Oil
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. For oil type and oil capacity see Technical Data and Oil [➔ 42]. 16 | 48... - Page 17 __ / __ / ____ Oil type see nameplate Change interval see instruction manual If there is no sticker (part no. 0565 568 959) on the machine: ● Order it from your Busch representative. Instruction Manual COBRA NC 0100-0300 B ACV_EN_en 17 | 48...
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Page 18: Filling Cooling Liquid
5 | Installation Filling Cooling Liquid For cooling liquid type and cooling liquid capacity see Technical Data and Cooling Liquid [➔ 41]. Liquid Flushing Device Installation (Optional) Description Flushing liquid fill plug Flushing liquid vessel Flow regulator Inlet flange Level indicator Level switch Solenoid valve 18 | 48... -
Page 19: Fitting The Coupling
Installation | 5 ● Electrically connect the solenoid valve (MV), see Wiring Diagram Solenoid Valve [➔ 24]. ● Electrically connect the two level switches (LS), see Wiring Diagram Level Switch [➔ 25]. ● Fill the flushing liquid vessel (FLV) with a process compatible flushing liquid. Fitting the Coupling NOTE Radial screw. - Page 20 5 | Installation English German French Instruction Manual - English Instruction Manual - German Instruction Manual - French 20 | 48 Instruction Manual COBRA NC 0100-0300 B ACV_EN_en...
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Page 21: Electrical Connection
● Make sure that the motor of the machine will not be affected by electric or electro- magnetic dis- turbance from the mains, if necessary seek advice from Busch. ● Make sure that the EMC of the machine is compliant with the requirements of your supply net- work system, if necessary provide further interference suppression (EMC of the machine, see EU Declaration of Conformity [➔ 43] or UK Declaration of Conformity [➔ 44]). -
Page 22: Machine Delivered With A Variable Speed Drive (Option)
6 | Electrical Connection ● Busch recommends installing a type B residual protective device suitable for the electrical in- stallation. ● Provide a lockable disconnect switch or an emergency stop switch on the power line so that the machine is completely secured in case of an emergency situation. -
Page 23: Wiring Diagram Three-Phase Motor (Pump Drive)
● If the machine is equipped with a power connector, install a residual current protective device to protect persons in case of isolation default. ● Busch recommends installing a type B residual protective device suitable for the electrical in- stallation. -
Page 24: Wiring Diagram Solenoid Valve (Optional)
6 | Electrical Connection Double star connection, multi-voltage motor Star connection, multi-voltage motor with 12 with 12 pins (low voltage): pins (high voltage): Delta connection, multi-voltage motor with 12 pins (middle voltage): NOTICE Incorrect direction of rotation. Risk of damage to the machine! ●... -
Page 25: Electrical Connection Of The Monitoring Devices
Electrical Connection | 6 Electrical Connection of the Monitoring Devices NOTE In order to prevent potential nuisance alarms, Busch recommends that the control system is configured with a time delay of at least 20 seconds. 6.5.1 Wiring Diagram Temperature Switch Part no.: 0651 555 983 for NC 0100 B,... -
Page 26: Commissioning
7 | Commissioning Commissioning CAUTION During operation the surface of the machine may reach temperatures of more than 70°C. Risk of burns! ● Avoid contact with the machine during and directly after operation. CAUTION Noise of running machine. Risk of damage to hearing! If persons are present in the vicinity of a non noise insulated machine over extended periods: ●... -
Page 27: Conveying Condensable Vapors
Commissioning | 7 ● After a few minutes of operation, perform an Oil Level Inspection [➔ 30]. ● After a few minutes of operation, perform a Cooling Liquid Level Inspection [➔ 30]. As soon as the machine is operated under normal operating conditions: ●... -
Page 28: Maintenance
8 | Maintenance Maintenance DANGER Live wires. Risk of electrical shock. ● Electrical installation work must only be executed by qualified personnel. DANGER Maintenance work without disconnecting the variable speed drive. Risk of electrical shock. ● Disconnect and isolate the variable speed drive before attempting any work on it. High voltages are present at the terminals and within the variable speed drive for up to 10 min- utes after disconnection of the electrical supply. -
Page 29: Maintenance Schedule
Risk of injuries! Risk of premature failure and loss of efficiency! ● Maintenance work must only be executed by qualified personnel. ● Respect the maintenance intervals or ask your Busch representative for service. NOTICE Using inappropriate cleaners. Risk of removing safety stickers and protective paint! ●... -
Page 30: Oil Level Inspection
8 | Maintenance Interval Maintenance work Every 16000 hours or after 4 ● Have a major overhaul on the machine (contact Busch). years Oil Level Inspection ● Shut down the machine. ● When the machine is stopped, wait 1 minute before checking the oil level. -
Page 31: Oil Change
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. Description Magnetic plug Instruction Manual COBRA NC 0100-0300 B ACV_EN_en 31 | 48... - Page 32 8 | Maintenance Description Magnetic plug For oil type and oil capacity see Technical Data and Oil [➔ 42]. 32 | 48 Instruction Manual COBRA NC 0100-0300 B ACV_EN_en...
- Page 33 __ / __ / ____ Oil type see nameplate Change interval see instruction manual If there is no sticker (part no. 0565 568 959) on the machine: ● Order it from your Busch representative. Instruction Manual COBRA NC 0100-0300 B ACV_EN_en 33 | 48...
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Page 34: Cooling Liquid Change
8 | Maintenance Cooling Liquid Change For cooling liquid type and cooling liquid capacity see Technical Data and Cooling Liquid [➔ 41]. 34 | 48 Instruction Manual COBRA NC 0100-0300 B ACV_EN_en... -
Page 35: Overhaul
● Decontaminate the machine as much as possible and state the contamination status in a ‘Dec- laration 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). -
Page 36: Decommissioning
10 | Decommissioning Decommissioning DANGER Live wires. Risk of electrical shock. ● Electrical installation work must only be executed by qualified personnel. CAUTION Hot surface. Risk of burns! ● Prior to any action requiring touching the machine, let the machine cool down first. ●... -
Page 37: Spare Parts
Risk of premature failure! Loss of efficiency! ● The exclusive use of Busch genuine spare parts and consumables is recommended for the correct functioning of the machine and to validate the warranty. There are no standard spare parts kits available for this product. -
Page 38: Troubleshooting
Busch). Solid foreign matter has en- ● Remove the solid foreign tered the machine. matter or repair the ma- chine (contact Busch). ● Install an inlet filter if neces- sary. A temperature sensor has ● Let the machine cool down. - Page 39 Oil Change [➔ 31]. The machine runs too hot. ● See problem "The machine runs too hot". For resolution of problems not listed in the troubleshooting table, please contact your Busch repre- sentative. Instruction Manual COBRA NC 0100-0300 B ACV_EN_en 39 | 48...
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Page 40: Technical Data
13 | Technical Data Technical Data NC 0100 B NC 0200 B NC 0300 B Pumping speed (50Hz / 60Hz) m³/h 110 / 130 220 / 265 320 / 385 ACFM 76.5 Ultimate pressure (50Hz / 60Hz) hPa (mbar) abs. ≤0.05 / ≤0.01 (with “NC”... -
Page 41: Cooling Liquid
Cooling Liquid | 14 Cooling Liquid Zitrec M-25 (ready-to-use) Part number 5 L packaging 0831 563 469 Part number 20 L packaging 0831 238 761 The cooling liquid Zitrec M-25 is ready-to-use and does not require additional water. For further information, consult the website www.arteco-coolants.com. Instruction Manual COBRA NC 0100-0300 B ACV_EN_en 41 | 48... -
Page 42: Oil
15 | Oil VSC 100 ISO-VG Part number 1 L packaging 0831 168 356 Part number 5 L packaging 0831 168 357 42 | 48 Instruction Manual COBRA NC 0100-0300 B ACV_EN_en... -
Page 43: Eu Declaration Of Conformity
Virginia Beach, VA 23452 Switzerland declares that the machine: COBRA NC 0100 B; COBRA NT 0100 B; COBRA NX 0100 B; COBRA NC 0200 B; COBRA NX 0200 B; COBRA NC 0300 B; COBRA NT 0300 B; COBRA NX 0300 B fulfill(s) all the relevant provisions from EU directives: –... -
Page 44: Declaration Of Conformity
Virginia Beach, VA 23452 Switzerland declares that the machine: COBRA NC 0100 B; COBRA NT 0100 B; COBRA NX 0100 B; COBRA NC 0200 B; COBRA NX 0200 B; COBRA NC 0300 B; COBRA NT 0300 B; COBRA NX 0300 B fulfill(s) all the relevant provisions from UK legislations: –... - Page 45 Notes Instruction Manual COBRA NC 0100-0300 B ACV_EN_en 45 | 48...
- Page 46 46 | 48 Instruction Manual COBRA NC 0100-0300 B ACV_EN_en...
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- Page 48 With a network of over 60 companies in more than 40 countries and agencies worldwide, Busch has a global presence. In every country, highly competent local personnel delivers custom-tailored support backed by a global network of expertise. Wherever you are.