BUSCH COBRA NC 0500 B Instruction Manual
Dry screw vacuum pumps
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Summary of Contents for BUSCH COBRA NC 0500 B
- Page 1 COBRA Dry Screw Vacuum Pumps NC 0500 B Instruction Manual 0870549522 | A0005_en-US | Original instructions 6/18/2024...
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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 Temperature Switch ..........................2.4.3 Thermometer ............................2.4.4 Silencer ..............................2.4.5 Sealing Systems ............................ Transport ................................Storage................................... -
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 Description Suction connection (Inlet) Discharge connection (Outlet) 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 Magnetic plug Nameplate Oil drain plug... -
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. The machine is suitable for continuous operation. -
Page 6: Start Controls
2 | Product Description 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 soft-starter or a variable speed drive (not included in the scope of supply). -
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. NOTICE In case the machine is already filled with oil. -
Page 8: Storage
4 | Storage Storage ● Seal hermetically all apertures with the caps provided with the machine, or with adhesive tape if the caps are no longer available. ● Store the machine indoors, in a dry place, away from dust and vibrations and if possible, in original packaging, preferably at temperatures between 5 ... -
Page 9: Installation
● Make sure that the cooling water complies with the requirements, see Cooling Water Connection [➔ 11]. If the machine is installed at an altitude greater than 1000 meters above sea level: ● Contact your Busch representative, the motor must be derated or the ambient temperature limited. Connecting Lines / Pipes ●... -
Page 10: Suction Connection
G2 ½” - with inlet filter (IF) 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 11: Cooling Water Connection
Installation | 5 5.2.3 Cooling Water Connection Description Cooling water inlet Cooling water outlet ● Connect the cooling water connections (CWI / CWO) to the water supply. Connection size: – G ¼” for the cooling water inlet (CWI) – R ½” for the cooling water outlet (CWO) ●... -
Page 12: 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 [➔ 31]. 12 | 36... -
Page 13: Filling Cooling Liquid
● 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. Filling Cooling Liquid For cooling liquid type and cooling liquid capacity see Technical Data and Cooling Liquid [➔ 30]. -
Page 14: Electrical Connection
● If the machine is equipped with a power connector, install a residual current protective device to protect persons in case of a defective insulation. ● Busch recommends installing a type B residual protective device suitable for the electrical in- stallation. -
Page 15: Wiring Diagram Three-Phase Motor (Pump Drive)
Electrical Connection | 6 ● Provide an overload protection according to EN 60204-1 for the motor. ● Connect the protective earth conductor. ● Electrically connect the motor. NOTICE The motor frequency is below 20 Hz. Risk of damage to the machine! ●... -
Page 16: Electrical Connection Of The Monitoring Devices
● Switch any two of the motor phase wires. 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. 6.3.1 Wiring Diagram Temperature Switch Part no.: 0651 541 566... -
Page 17: 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 18: 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 19: Draining The Cooling Water
● Check the cooling liquid level, see Cooling Liquid Level In- spection [➔ 20]. ● 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 20: Oil Level Inspection
● Fill up if necessary, see Filling Cooling Liquid [➔ 13]. 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. 20 | 36 Instruction Manual COBRA NC 0500 B_EN_en... - Page 21 Maintenance | 8 Description Magnetic plug Description Magnetic plug For oil type and oil capacity see Technical Data and Oil [➔ 31]. Instruction Manual COBRA NC 0500 B_EN_en 21 | 36...
- Page 22 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. 22 | 36 Instruction Manual COBRA NC 0500 B_EN_en...
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Page 23: Cooling Liquid Change
Maintenance | 8 Cooling Liquid Change ● Refit all plugs. For cooling liquid type and cooling liquid capacity see Technical Data and Cooling Liquid [➔ 30]. Instruction Manual COBRA NC 0500 B_EN_en 23 | 36... -
Page 24: Overhaul
● Decontaminate the machine as much as possible and state the contamination status in a ‘Declaration 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 25: Decommissioning
Decommissioning | 10 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 26: Spare Parts
Risk of premature failure! Loss of efficiency! ● Use only original Busch spare parts, consumables and supplies to ensure correct operation of the machine and to validate the warranty. There are no standard spare parts kits available for this product. -
Page 27: 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 nec- essary. The temperature switch (TS) ● Let the machine cool down. - Page 28 Oil Change [➔ 20]. 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. 28 | 36 Instruction Manual COBRA NC 0500 B_EN_en...
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Page 29: Technical Data
Technical Data | 13 Technical Data NC 0500 B Pumping speed m³/h Ultimate pressure hPa (mbar) abs. ≤ 0.01 Nominal motor rating Operating voltage V (50 Hz) 190–210 / 380–420 V (60 Hz) 200–240 / 380–460 Nominal motor speed (50 / 60 Hz) min⁻¹... -
Page 30: Cooling Liquid
14 | Cooling Liquid Cooling Liquid Zitrec ® M-25 (Ready-to-use) Part number 5 L packaging 0831 563 469 Part number 20 L packaging 0831 238 761 Zitrec ® M-25 coolant (Cooling liquid) is ready-to-use and requires no additional water. For more information, visit www.arteco-coolants.com. 30 | 36 Instruction Manual COBRA NC 0500 B_EN_en... -
Page 31: Oil
Oil | 15 VSL 100 ISO-VG Part number 1 L packaging 0831 122 573 Part number 5 L packaging 0831 122 572 Instruction Manual COBRA NC 0500 B_EN_en 31 | 36... -
Page 32: Eu Declaration Of Conformity
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 33: Uk Declaration Of Conformity
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 34 Notes Notes 34 | 36 Instruction Manual COBRA NC 0500 B_EN_en...
- Page 35 N otes Instruction Manual COBRA NC 0500 B_EN_en 35 | 36...
- Page 36 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.
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