Related Manuals for BUSCH COBRA NC 0500 B
Summary of Contents for BUSCH COBRA NC 0500 B
- Page 1 Instruction Manual COBRA Dry Screw Vacuum Pumps NC 0500 B Ateliers Busch S.A. Zone industrielle, 2906 Chevenez Switzerland 0870549522/A0001_en / Original instructions / Modifications reserved 04/12/2020...
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Page 2: Table Of Contents
Table of Contents Table of Contents 1 Safety ............................3 2 Product Description ........................4 2.1 Operating Principle ......................5 2.2 Application........................5 2.3 Start Controls ........................5 2.4 Standard Features ......................5 2.4.1 Water Cooling ....................... 6 2.4.2 Temperature Switch ....................6 2.4.3 Thermometer ...................... -
Page 3: 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 4: Product Description
2 | Product Description Product Description ODP, MP Cooling liquid drain plug Cooling liquid fill plug Cooling liquid sight glass Cooling liquid pump Cooling water inlet Cooling water outlet Eye bolt Electrical connection Suction connection Magnetic plug Nameplate Oil drain plug Oil fill plug Oil sight glass Discharge connection... -
Page 5: 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 capable of maintaining ultimate pressure, see Technical Data [► 26]. The machine is suitable for continuous operation. -
Page 6: Standard Features
2 | Product Description 2.4 Standard Features 2.4.1 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 an internal heat exchanger. This cooling system integrates the cooling of the water-cooled motor and must be connected to the water main. -
Page 7: 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. -
Page 8: Storage
• Make sure that the cooling water complies with the requirements, see Cooling Water Connection [► 10]. 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. 8 / 28... -
Page 9: Connecting Lines / Pipes
• Install a suitable filter (5 micron or less) upstream from the machine. Connection size(s): – G2 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 Connection size(s): –... -
Page 10: Cooling Water Connection
5 | Installation 5.2.3 Cooling Water Connection Cooling water inlet Cooling water outlet • Connect the cooling water connections (CWI / CWO) to the water supply. Connection size: – G1/4 for the cooling water inlet (CWI) – R1/2 for the cooling water outlet (CWO) •... -
Page 11: 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 [► 26] and Oil [► 26]. Oil filling at the motor side... -
Page 12: Filling Cooling Liquid
Change interval see instruction manual If there is no sticker (part no. 0565 568 959) on the machine: • Order it from your Busch representative. 5.4 Filling Cooling Liquid For cooling liquid type and cooling liquid capacity see Technical Data [► 26] and Cooling Liquid [► 26]. -
Page 13: Electrical Connection
• Provide an 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 14: Wiring Diagram Three-Phase Motor (Pump Drive)
• Switch any two of the motor phase wires. 5.6 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. 5.6.1 Wiring Diagram Temperature Switch Part no.: 0651 541 566... -
Page 15: Commissioning
Commissioning | 6 Commissioning NOTICE The machine can be shipped without oil. Operation without oil will ruin the machine in short time! • Prior to commissioning, the machine must be filled with oil, see Filling Oil [► 11]. NOTICE The machine can be shipped without cooling liquid. Operation without cooling liquid will ruin the machine in short time! •... -
Page 16: Maintenance
Risk of injuries! Risk of premature failure and 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 17: Maintenance Schedule
• Check the cooling liquid level, see Cooling Liquid Level Inspection [► 18]. • 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 18: Oil Level Inspection
• Fill up if necessary, see Filling Cooling Liquid [► 12]. 7.4 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. 18 / 28 0870549522_NC0500B_A0001_IM_en... - Page 19 Maintenance | 7 Oil draining at the motor side Cleaning cloth Drain pan Magnetic plug Oil draining at the suction side Magnetic plug Cleaning cloth Drain pan 0870549522_NC0500B_A0001_IM_en 19 / 28...
- Page 20 Last oil change __ / __ / ____ 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. 20 / 28 0870549522_NC0500B_A0001_IM_en...
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Page 21: Cooling Liquid Change
Maintenance | 7 7.5 Cooling Liquid Change Refit all plugs For cooling liquid type and cooling liquid capacity see Technical Data [► 26] and Cooling Liquid [► 26]. Check cooling liquid level 0870549522_NC0500B_A0001_IM_en 21 / 28... -
Page 22: Overhaul
• Decontaminate the machine as much 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). -
Page 23: Spare Parts
• 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 is no standard spare parts kits available for this product, if you require Busch gen- uine parts: •... -
Page 24: Troubleshooting
Busch). Solid foreign matter has • Remove the solid foreign entered the machine. matter or repair the ma- chine (contact Busch). • Install an inlet filter if ne- cessary. The temperature switch (TS) • Let the machine cool reached the switch point. - Page 25 Oil Change [► 18]. The machine runs too hot. • See problem "The ma- chine runs too hot". For the solution of problems not mentioned in the troubleshooting chart contact your Busch representative. 0870549522_NC0500B_A0001_IM_en 25 / 28...
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Page 26: Technical Data
12 | Technical Data 12 Technical Data NC 0500 B Pumping speed m³/h Ultimate pressure hPa (mbar) ≤0.01 abs. Nominal motor rating Operating voltages V (50Hz) 190-210 / 380-420 V (60Hz) 200-240 / 380-460 Nominal motor speed (50Hz / 60Hz) 2900-2930 / 3470-3540 Supply current A (50Hz) -
Page 27: 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 28 Chile Israel Portugal United Arab Emirates info@busch.cl service_sales@busch.co.il busch@busch.pt sales@busch.ae China Italy Romania United Kingdom info@busch-china.com info@busch.it office@buschromania.ro sales@busch.co.uk Colombia Japan Russia info@buschvacuum.co info@busch.co.jp info@busch.ru info@buschusa.com Czech Republic Korea Singapore info@buschvacuum.cz busch@busch.co.kr sales@busch.com.sg www.buschvacuum.com 0870549522/A0001_en / © Ateliers Busch S.A.