BUSCH COBRA NC 0630 C Instruction Manual Download Page 14 | Manualshive

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5 | Installation

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Instruction Manual COBRA NC 1000 B WCV_EN_en

5.2.4

Barrier Gas System Connection (Optional)

Without nitrogen panel

PRV

FR

BGC

MAN

FME

Description

BGC

Barrier gas connection

FME

Flow meter

FR

Flow regulator

MAN

Manometer

PRV

Pressure regulating valve

●

Connect the barrier gas connection (BGC) to the gas supply.

Connection size:
– G1/4, ISO 228-1

●

Make sure that the gas complies with the following requirements:

Gas type

Dry nitrogen or air

Gas temperature

°C

0 ... 60

Maximum gas pressure

bar

13

Recommended pressure setting at the pres-
sure regulating valve (PRV)

bar(a)

3

Filtration

µm

5

Recommended flow rate

SLM (standard li-
ter per minute)

30

Air quality (only for air)

Acc. to ISO
8573-1

Class 5.4.4.

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Summary of Contents for COBRA NC 0630 C

Page 1: ...Get technical data instruction manuals service kits COBRA Dry Screw Vacuum Pumps NC 1000 B Water Cooled Version WCV Instruction Manual 0870551589 A0004_en US Original instructions 11 22 2022...

Page 2: ...tion 12 5 2 3 Cooling Water Connection 13 5 2 4 Barrier Gas System Connection Optional 14 5 3 Filling Oil 15 5 4 Filling Cooling Liquid 16 5 5 Fitting the Coupling 17 6 Electrical Connection 18 6 1 Ma...

Page 3: ...of Contents Instruction Manual COBRA NC 1000 B WCV_EN_en 3 40 12 Troubleshooting 33 13 Technical Data 35 14 Cooling Liquid 36 15 Oil 37 16 EU Declaration of Conformity 38 17 UK Declaration of Conformi...

Page 4: ...o state of the art methods Never theless residual risks may remain as described in the following chapters and in accordance with the chapter Intended Use 6 This instruction manual highlights potential...

Page 5: ...CD Condensate drain CLD Cooling liquid drain plug CLF Cooling liquid fill plug CLG Cooling liquid sight glass CLP Cooling liquid pump CWI Cooling water inlet CWO Cooling water outlet EB Eye bolt GB Ga...

Page 6: ...re is no need for a lubrication or an operating fluid in the compression chamber 2 2 Intended Use WARNING In case of foreseeable misuse outside the intended use of the machine Risk of injuries Risk of...

Page 7: ...must be stopped when the cooling liquid level is too low 2 4 4 Thermometer The thermometer allows a visual display of the cooling liquid temperature 2 4 5 Sealing Systems The machine is equipped with...

Page 8: ...chanical Seals The sealing systems can be equipped with mechanical seals The following variants are possible Oil lubricated single mechanical seals on the motor side and labyrinth seals on the suction...

Page 9: ...otor Only lift the machine as shown 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 ingress into the cylind...

Page 10: ...nal packaging preferably at temperatures between 5 55 C NOTICE Long storage time Risk of damage to the machine If the machine is equipped with oil lubricated mechanical seals we recommend to completel...

Page 11: ...covered or obstructed and that the cooling air flow is not affected adversely in any other way Make sure that the oil sight glass OSG remains easily visible Make sure that enough space remains for mai...

Page 12: ...recommends the installation of an isolation valve in order to prevent the machine from turning backwards 5 2 2 Discharge Connection NOTICE Discharge gas flow obstructed Risk of damage to the machine M...

Page 13: ...pply capacity l min 15 Water pressure bar 1 6 Supply temperature C 5 30 Required pressure differential across supply and return bar 1 To reduce the maintenance effort and ensure a long product lifetim...

Page 14: ...regulating valve Connect the barrier gas connection BGC to the gas supply Connection size G1 4 ISO 228 1 Make sure that the gas complies with the following requirements Gas type Dry nitrogen or air G...

Page 15: ...CV_EN_en 15 40 5 3 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 For oil...

Page 16: ...ate on the sticker 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 represen...

Page 17: ...C 1000 B ROTEX 48 28 In case of a machine delivery without motor Fit the second coupling hub on the motor shaft separately delivered Axially adjust the hub in such a way until value E is reached When...

Page 18: ...supply net work system if necessary provide further interference suppression EMC of the machine see EU Declaration of Conformity 38 or UK Declaration of Conformity 39 6 1 Machine delivered without Co...

Page 19: ...missible motor nominal speed nmax on the nameplate of the machine NP Make sure to comply with it Consult the Technical Data to get more information NOTICE Incorrect connection Risk of damage to the mo...

Page 20: ...l 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 3 1 Wiring D...

Page 21: ...achine can be shipped without cooling liquid Operation without cooling liquid will ruin the machine in short time Prior to commissioning the machine must be filled with cooling liquid see Filling Cool...

Page 22: ...ying Condensable Vapors The machine equipped either with a gas ballast valve or a dilution gas system is suitable for the conveyance of condensable vapors within the gas flow If condensable vapors are...

Page 23: ...ng Risk of infection If the machine is contaminated with hazardous material Wear appropriate personal protective equipment CAUTION Hot surface Risk of burns Prior to any action requiring touching the...

Page 24: ...onthly Check the oil level see Oil Level Inspection 24 Check the cooling liquid level see Cooling Liquid Level In spection 25 Check the machine for oil leaks in case of leaks have the machine repaired...

Page 25: ...ght glass and 3mm above it Fill up if necessary see Oil Filling 15 8 3 Cooling Liquid Level Inspection Shut down the machine Fill up if necessary see Filling Cooling Liquid 16 8 4 Replacing the Gas Ba...

Page 26: ...ual COBRA NC 1000 B WCV_EN_en 8 5 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...

Page 27: ...Maintenance 8 Instruction Manual COBRA NC 1000 B WCV_EN_en 27 40 1 Description 1 Magnetic plug For oil type and oil capacity see Technical Data and Oil 37...

Page 28: ...hen the oil filling is achieved Write down the oil change date on the sticker Last oil change __ __ ____ Oil type see nameplate Change interval see instruction manual If there is no sticker part no 05...

Page 29: ...ual COBRA NC 1000 B WCV_EN_en 29 40 8 6 Cooling Liquid Change 1 2 Description 1 Funnel or liquid deflector 2 Funnel or liquid deflector For cooling liquid type and cooling liquid capacity see Technica...

Page 30: ...y dismantling of the machine that goes beyond anything that is described in this manual should be done by Busch authorized technicians In case of the machine having conveyed gas that was contaminated...

Page 31: ...ct the power supply Turn off the water supply If the machine is equipped with a barrier gas system Close the barrier gas supply Vent the connected lines to atmospheric pressure Disconnect all connecti...

Page 32: ...sk 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 a...

Page 33: ...r repair the ma chine contact Busch Install an inlet filter if neces sary The resistance thermometer TSA reached the switch point Let the machine cool down See problem The machine runs too hot Corrosi...

Page 34: ...re ments see Cooling Water Connection 13 Ambient temperature too high Observe the permitted am bient temperature see Technical Data Temperature of the process gases at the inlet too high Observe the p...

Page 35: ...Nominal motor speed 50Hz 60Hz min 1 3000 3600 Noise level ISO 2151 50Hz 60Hz dB A 75 81 Ambient temperature range C 5 50 Max allowable counter pressure at the dis charge hPa mbar rel 200 Max allowable...

Page 36: ...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 wa...

Page 37: ...Oil 15 Instruction Manual COBRA NC 1000 B WCV_EN_en 37 40 15 Oil VSC 100 ISO VG 100 Part number 1 L packaging 0831 168 356 Part number 5 L packaging 0831 168 357...

Page 38: ...ces in electrical and electronic equipment incl all related applicable amend ments and comply ies with the following designated standards that have been used to fulfill those provisions Standards Titl...

Page 39: ...the use of certain hazardous substances in Electrical and Electronic Equipment Regulations 2021 and comply ies with the following designated standards that have been used to fulfill those provisions S...

Page 40: ...sence In every country highly competent local personnel delivers custom tailored support backed by a global network of expertise Wherever you are Whatever your business We are there for you Busch comp...

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