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Technical Data | 12

Instruction Manual COBRA NC 1000 B WCV_EN_en

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12 Technical Data

NC 1000 B

Pumping speed
(50Hz / 60Hz)

m³/h

840 / 1000

Ultimate pressure (without gas ballast)
(50Hz / 60Hz)

hPa (mbar) abs.

≤

0.5 /

≤

0.1

Ultimate pressure (with gas ballast)
(50Hz / 60Hz)

hPa (mbar) abs.

≤

0.5 /

≤

0.5

Nominal motor rating
(50Hz / 60Hz)

22 / 25

Nominal motor speed
(50Hz / 60Hz)

min

-1

3000 / 3600

Noise level (EN ISO 2151)
(50Hz / 60Hz)

dB(A)

≤

75 /

≤

Ambient temperature range

°C

5 … 50

Max. allowable counter pressure at the
discharge

hPa (mbar)

200

Max. allowable gas inlet temperature

°C

≤

50 hPa (mbar)

►

200

50 hPa (mbar)

►

Relative humidity

at 30 °C

90%

Ambient pressure

Atmospheric pressure

Cooling water requirements

See

Cooling Water Connection [

►

11]

Oil capacity - motor side

1.3

Oil capacity - suction side

1.5

Cooling liquid capacity approx.

Weight approx.

1500

13 Cooling Liquid

Zitrec M-25 (ready-to-use)

Part number 5 L packaging

0831 563 469

Part number 25 L packaging

0831 563 468

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

14 Oil

VE 101

ISO-VG

100

Part number 1 L packaging

0831 000 099

Part number 5 L packaging

0831 000 100

Содержание COBRA NC 1000 B

Страница 1: ...technical data instruction manuals service kits Instruction Manual COBRA Dry Screw Vacuum Pumps NC 1000 B water cooled version 0870551589 A0002_en Original instructions Modifications reserved 14 09 2...

Страница 2: ...5 2 2 Discharge Connection 10 5 2 3 Cooling Water Connection 11 5 2 4 Barrier Gas System Connection Optional 12 5 3 Filling Oil 12 5 4 Filling Cooling Liquid 14 5 5 Fitting the Coupling 15 5 6 Electri...

Страница 3: ...Table of Contents Instruction Manual COBRA NC 1000 B WCV_EN_en 3 12 Technical Data 29 13 Cooling Liquid 29 14 Oil 29 15 EU Declaration of Conformity 30...

Страница 4: ...as been designed and manufactured according to state of the art meth ods Nevertheless residual risks may remain This instruction manual highlights po tential hazards where appropriate Safety notes and...

Страница 5: ...Cooling liquid pump CWI Cooling water inlet CWO Cooling water outlet EB Eye bolt GB Gas ballast valve IN Suction connection LS Level switch MP Magnetic plug MTB Motor terminal box NP Nameplate ODP Oi...

Страница 6: ...dry non aggressive non toxic and non explosive gases Conveying of other media leads to an increased thermal and or mechanical load on the machine and is permissible only after a consultation with Busc...

Страница 7: ...bearings chambers Depending on the application the sealing systems efficiency can be improved with a barrier gas system see Barrier Gas System 7 2 5 Optional Accessories 2 5 1 Gas Ballast Valve The ga...

Страница 8: ...d with oil can cause large quantities of oil to ingress into the cylinder Drain the oil prior to every transport or always horizontally transport the machine Machine weight see the technical data or t...

Страница 9: ...tion class of the motor and the electrical instruments Make sure that the installation space or location is vented such that sufficient cool ing of the machine is provided Make sure that cooling air i...

Страница 10: ...lid particles Install a suitable filter 5 micron or less upstream from the machine Connection size s DN125 PN16 EN 1092 1 If the machine is used as part of a vacuum system Busch recommends the install...

Страница 11: ...apacity l min 15 Water pressure bar 1 6 Supply temperature C 5 30 Required pressure differential across sup ply and return bar 1 To reduce the maintenance effort and ensure a long product lifetime we...

Страница 12: ...1 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 pressu...

Страница 13: ...B WCV_EN_en 13 32 For oil type and oil capacity see Technical Data 29 and Oil 29 1 2 B u s c h O il 3 MAX MIN 3 mm 4 Check oil level Oil filling at the motor side 1 2 B u s c h O il 3 MAX MIN 3 mm 4...

Страница 14: ...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 5 4 Filling Cooling Liquid For cooling...

Страница 15: ...ww ktr com and download the instruction man ual of the ROTEX coupling 5 6 Electrical Connection DANGER Live wires Risk of electrical shock Electrical installation work must only be executed by qualifi...

Страница 16: ...han 1800 min 1 30 Hz NOTICE Incorrect connection Risk of damage to the motor The wiring diagrams given below are typical Check the inside of the terminal box for motor connection instructions diagrams...

Страница 17: ...4 pin U 7 5 30 VDC 4 20 mA 50 150 C Trip signal Ttrip 70 C 1 2 4 3 3 1 1 Brown 3 Blue 5 7 2 Wiring Diagram Level Switch Part no 0652 569 236 Connector M12x1 4 pin U 10 30 VDC DC PNP Imax 200 mA Contac...

Страница 18: ...ing used Make sure that the installation conditions see Installation Conditions 9 are met Turn on the water supply If the machine is equipped with a barrier gas system Turn on the barrier gas supply A...

Страница 19: ...Continuously drain condensate from the condensate drain plug CD of the silencer SI Optional 7 Maintenance WARNING Machines contaminated with hazardous material Risk of poisoning Risk of infection If t...

Страница 20: ...20 Check the cooling liquid level see Cooling Liquid Level Inspection 21 Check the machine for oil leaks in case of leaks have the machine repaired contact Busch Yearly Carry out a visual inspection...

Страница 21: ...MAX MIN Fill up if necessary see Filling Cooling Liquid 14 7 4 Replacing the Gas Ballast Filter Optional 1 2 3 Discard the part Busch genuine spare parts Gas ballast filter part no 0562 550 434 7 5 O...

Страница 22: ...ce 22 32 Instruction Manual COBRA NC 1000 B WCV_EN_en 1 3 2 4 Oil draining at the motor side Cleaning cloth Drain pan Magnetic plug 1 3 4 2 Oil draining at the suction side Cleaning cloth Drain pan Ma...

Страница 23: ...B WCV_EN_en 23 32 For oil type and oil capacity see Technical Data 29 and Oil 29 1 2 B u s c h O il 3 MAX MIN 3 mm 4 Check oil level Oil filling at the motor side 1 2 B u s c h O il 3 MAX MIN 3 mm 4 C...

Страница 24: ...he 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 0565 568 959 on the machine Order it from your...

Страница 25: ...e equipment NOTICE Improper assembly Risk of premature failure Loss of efficiency It is highly recommended that any dismantling of the machine that goes beyond an ything that is described in this manu...

Страница 26: ...al Drain the oil Drain the cooling liquid Separate special waste from the machine Dispose of special waste in compliance with applicable regulations Dispose of the machine as scrap metal 10 Spare Part...

Страница 27: ...repair the ma chine contact Busch Install an inlet filter if nec essary The resistance thermome ter TSA reached the switch point Let the machine cool down See problem The ma chine runs too hot Corrosi...

Страница 28: ...ling Wa ter Connection 11 Ambient temperature too high Observe the permitted ambient temperature see Technical Data 29 Temperature of the process gases at the inlet too high Observe the permitted gas...

Страница 29: ...Max allowable gas inlet temperature C 50 hPa mbar 200 50 hPa mbar 70 Relative humidity at 30 C 90 Ambient pressure Atmospheric pressure Cooling water requirements See Cooling Water Connection 11 Oil...

Страница 30: ...Directive EU 2015 863 restriction of the use of certain haz ardous substances in electrical and electronic equipment and the following standards Standard Title of the Standard EN ISO 12100 2010 Safety...

Страница 31: ...Note...

Страница 32: ...busch it Japan info busch co jp Korea busch busch co kr Malaysia busch busch com my Mexico info busch com mx Netherlands info busch nl New Zealand sales busch co nz Norway post busch no Peru info bus...

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