Related Manuals for BUSCH COBRA NS 0070 C
Summary of Contents for BUSCH COBRA NS 0070 C
- Page 1 COBRA Dry Screw Vacuum Pumps NS 0070 C, NS 0160 C Industry Version Instruction Manual 0870570353 | A0003_en-US | Original instructions 1/25/2024...
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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 Water Cooling ............................2.4.2 Silencer ..............................2.4.3 Resistance Thermometer (TSA)......................2.4.4 Sealing Systems ............................ Optional Accessories............................2.5.1 Silencer ..............................2.5.2 Barrier Gas System.......................... - Page 3 Table of Contents Oil ................................... EU Declaration of Conformity ..........................UK Declaration of Conformity..........................Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en 3 | 44...
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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 OFP 1 OFP 2 MP, ODP 1 OSG 1 BGC, OSG 2 MP, ODP 2 Description BGC / Barrier / Dilution gas connection Cooling liquid drain plug Cooling liquid filler plug Cooling liquid sight glass Cooling water inlet Cooling water outlet Cooling water flowmeter... - Page 6 2 | Product Description P&ID "Piping and Instrumentation Diagram" Description Process gas inlet Process gas outlet Cooling water flow meter (CWM) Cooling water regulating valve (CWR) Nitrogen flow meter (option) (FME) Regulating valve (option) (DGR) Nitrogen supply Cooling water inlet Cooling water outlet Motor DP (MOT 1) Oil sight glass (OSG 1)
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Page 7: Operating Principle
● Make sure to follow all instructions described in this manual. 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. -
Page 8: Start Controls
NOTE Busch recommendations for the thermostatic valve adjustment: ● The position 1 (cold position) is mainly intended for applications with a risk of polymerization. ● The position 5 (hot position) is mainly intended for applications with a risk of condensation . -
Page 9: Dilution Gas System
Product Description | 2 2.5.3 Dilution Gas System The dilution gas system prevents the formation of condensates or dilutes them. The nitrogen is fed directly into the cylinder. Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en 9 | 44... -
Page 10: Transport
3 | Transport 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 11: Storage
Storage | 4 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, in a dry and dust free environment and if possible, in original pack- aging, preferably at temperatures between 5 ... -
Page 12: Installation
In case of long connection lines, it is recommended to use larger diameters in order to avoid a loss of efficiency. In case, contact your Busch representative. 12 | 44 Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en... -
Page 13: Suction Connection
– DN50 ISO KF for NS 0160 C 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. ● Make sure that the connection lines cause no stress on the connections of the machine. There- fore, we recommend installing flexible lines on the suction and discharge connections. -
Page 14: Cooling Water Connection
1, or vice versa, must be done in stages. ● Allow the vacuum pump to stabilize between each position change (15 minutes). ● For optimal adjustment position of the thermostatic valve, seek advice from your Busch represen- tative. ● Connect the cooling water connections (CWI / CWO) to the water supply. -
Page 15: Barrier Gas System Connection (Optional)
Installation | 5 ● To reduce the maintenance effort and ensure a long product lifetime, we recommend the follow- ing cooling water quality: Hardness mg/l (ppm) < 90 Properties Clean & clear PH value 7 ... 9 Particle size µm <... -
Page 16: Dilution Gas System Connection (Optional)
5 | Installation Filtration µm Recommended flow rate SLM (standard li- 8 - 10 ter per minute) 5.2.5 Dilution Gas System Connection (Optional) Description Dilution gas connection Dilution gas regulating valve Nitrogen flowmeter ● Connect the dilution gas connection (DGC) to the gas supply. Connection size: –... -
Page 17: Filling 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 [➔ 40]. Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en... - Page 18 When the oil filling is achieved: ● Write down the oil change date on the sticker. If there is no sticker (part no. 0565 568 959) on the machine: ● Order it from your Busch representative. 18 | 44 Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en...
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Page 19: Filling Cooling Liquid
Installation | 5 Filling Cooling Liquid For cooling liquid type and cooling liquid capacity see Technical Data and Cooling Liquid [➔ 39]. Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en 19 | 44... -
Page 20: Electrical Connection
● Make sure that the motor of the machine will not be affected by electric or electromagnetic 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 [➔ 41] or UK Declaration of Conformity [➔ 42]). -
Page 21: Wiring Diagram Three-Phase Motor (Pump Drive)
Electrical Connection | 6 Wiring Diagram Three-Phase Motor (Pump Drive) Motor connectors: Connection of motor temperature switch (recommended): Only apply voltages ≤ 250 VAC Max. current: 1.6 A MTS = Motor temperature switch (in motor coil) Delta connection (low voltage): Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en 21 | 44... - Page 22 6 | Electrical Connection Star connection (high voltage): NOTICE The tightening torque does not comply with the recommendation. Risk of damage the connector threads! ● When connecting up the wires into the terminal box, make sure the tightening torque of 3 Nm is applied and checked with a calibrated torque wrench.
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Page 23: Electrical Connection Of The Monitoring Devices
Electrical Connection | 6 Electrical Connection of the Monitoring Devices NOTE To prevent potential nuisance alarms, Busch recommends that the control system is config- ured with a time delay of at least 20 seconds. 6.2.1 Wiring Diagram Resistance Thermometer Part no.: 0651 573 439... - Page 24 6 | Electrical Connection Nitrogen flowmeter (FME): Part no.: 0657 525 717 Supplier reference: Bachofen U = 250 VAC; I = 1.5 A Max. 50 VA, IP65 Alarm / stop setting: < 16 l/min Nitrogen flow setting: 18 l/min, adjustable with regulating valve (DGR) Contact: Normally closed 24 | 44 Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en...
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Page 25: Commissioning
Commissioning | 7 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 people are present in the vicinity of a machine that is not insulated from noise for extended peri- ods of time: ●... - Page 26 7 | Commissioning ● Make sure that the operating conditions comply with the Technical Data. ● After a few minutes of operation, perform an Oil Level Inspection [➔ 28]. ● After a few minutes of operation, perform a Cooling Liquid Level Inspection [➔ 29]. As soon as the machine is operated under normal operating conditions: ●...
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Page 27: Maintenance
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 28: Maintenance Schedule
● Change the oil of the gear and bearing housings (both years sides), see Oil Change [➔ 29]. ● Have a major overhaul on the machine (contact Busch). Oil Level Inspection ● Shut down the machine. ● When the machine is stopped, wait 1 minute before checking the oil level. -
Page 29: Cooling Liquid Level Inspection
If the oil becomes dark or looks different from the initial color: ● Change the oil immediately, see Oil Change [➔ 29]. You can consult your Busch representative in order to find out why this color change has occurred. Cooling Liquid Level Inspection ●... - Page 30 8 | Maintenance For oil type and oil capacity see Technical Data and Oil [➔ 40]. 30 | 44 Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en...
- Page 31 Maintenance | 8 When the oil filling is achieved: ● Write down the oil change date on the sticker. Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en 31 | 44...
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Page 32: Cooling Liquid Change
8 | Maintenance If there is no sticker (part no. 0565 568 959) on the machine: ● Order it from your Busch representative. Cooling Liquid Change For cooling liquid type and cooling liquid capacity see Technical Data and Cooling Liquid [➔ 39]. -
Page 33: Overhaul
● Decontaminate the machine as much as possible and state the contamination status in a ‘Dec- laration of Contamination’. Busch will only accept machine accompanied by a signed, fully completed and legally binding "decla- ration of contamination", downloadable from the following link: buschvacuum.com/declaration-of- contamination. -
Page 34: 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! ● Before doing anything that requires touching the machine, let it cool down first. ●... -
Page 35: 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 36: 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 37 Internal parts are worn or ● Repair the machine (contact damaged. Busch). For resolution of problems not listed in the troubleshooting table, please contact your Busch repre- sentative. Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en 37 | 44...
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Page 38: Technical Data
13 | Technical Data Technical Data NS 0070 C NS 0160 C Nominal pumping speed m³/h 70 / 85 135 / 170 (50 / 60 Hz) Ultimate pressure TORR 2,2 x 10 2,2 x 10 hPa (mbar) 3,0 x 10 3,0 x 10 Nominal motor rating back- kW (50 / 60 Hz) 4.0 / 4.4... -
Page 39: Cooling Liquid
Cooling Liquid | 14 Cooling Liquid Zitrec M ® (Ready-to-use) Part number 5 L packaging 0831 563 469 Part number 20 L packaging 0831 238 761 Zitrec ® M coolant (Cooling liquid) is ready-to-use and requires no additional water. For more information, visit www.arteco-coolants.com. Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en 39 | 44... - Page 40 15 | Oil YLC 250 B ISO-VG Oil Type Synthetic Part number 0.5 L packaging 0831 131 400 Part number 1 L packaging 0831 108 878 Part number 5 L packaging 0831 108 879 To find out which oil needs to be filled into the machine, please refer to the nameplate (NP). 40 | 44 Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en...
- Page 41 EU Declaration of Conformity This Declaration of Conformity and the CE-markings affixed to the nameplate are valid for the machine within the Busch scope of delivery. This Decla- ration of Conformity is issued under the sole responsibility of the manufacturer.
- Page 42 UK Declaration of Conformity This Declaration of Conformity and the UKCA-markings affixed to the nameplate are valid for the machine within the Busch scope of delivery. This Dec- laration of Conformity is issued under the sole responsibility of the manufacturer.
- Page 43 N otes Notes Instruction Manual COBRA NS 0070-0160 C_Industry_EN_en 43 | 44...
- Page 44 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.