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0870219588_NS0600C_WCV_Ex_-0000_IM_en

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Product Description

MTB

OFP

CLF

OFP

CLV

ODP

CWO

PHE

OSG

CLP

CLD

OUT

PMR

NP1 NP2

CWI

OSG

ODP, MP

TSA+/0104

PHE

Plate heat exchanger

CLD

Cooling liquid drain plug

CLF

Cooling liquid fill plug

CLP

Cooling liquid pump

CLV

Cooling liquid vent plug

Eye bolt

CWI

Cooling water inlet

CWO

Cooling water outlet

Suction connection

Magnetic plug

MTB

Motor terminal box

Nameplate

ODP

Oil drain plug

OFP

Oil fill plug

OSG

Oil sight glass

OUT

Discharge connection

PMR

Plug for manual rotation of rotors

Silencer

Safety valve

TSA

Resistance thermometer

NOTE

Technical term.

In this instruction manual, we consider that the term ‘machine’ refers to the ‘vacuum
pump’.

Содержание COBRA NS 0070-0600 C

Страница 1: ...n Manual COBRA ATEX Dry Screw Vacuum Pumps NS 0600 C water cooled version 0870219588 0000_en Original instructions Modifications reserved 20 11 2019 Ateliers Busch S A Zone industrielle 2906 Chevenez Switzerland ...

Страница 2: ... 11 5 Installation 12 5 1 Installation Conditions 12 5 2 Connecting Lines Pipes 13 5 2 1 Suction Connection 13 5 2 2 Discharge Connection 13 5 2 3 Cooling Water Connection 14 5 2 4 Barrier Gas System Connection 15 5 3 Earth Connection 16 5 4 Filling Oil 16 5 5 Filling Cooling Liquid 18 5 6 Electrical Connection 18 5 6 1 Wiring Diagram Three Phase Motor Pump Drive 19 5 7 Electrical Connection of th...

Страница 3: ...3 7 6 1 Procedure A 31 7 6 2 Procedure C 31 7 6 3 Procedure E 31 8 Overhaul 32 9 Decommissioning 32 9 1 Dismantling and Disposal 32 10 Spare Parts 33 11 Troubleshooting 34 12 Technical Data 36 13 Cooling Liquid 36 14 Oil 36 15 EU Declaration of Conformity 37 ...

Страница 4: ... been designed and manufactured according to state of the art meth ods Nevertheless residual risks may remain This instruction manual highlights potential hazards where appropriate Safety notes and warning messages are tagged with one of the keywords DANGER WARNING CAUTION NOTICE and NOTE as follows DANGER indicates an imminent dangerous situation that will result in death or serious injuries if n...

Страница 5: ...plug CLP Cooling liquid pump CLV Cooling liquid vent plug EB Eye bolt CWI Cooling water inlet CWO Cooling water outlet IN Suction connection MP Magnetic plug MTB Motor terminal box NP Nameplate ODP Oil drain plug OFP Oil fill plug OSG Oil sight glass OUT Discharge connection PMR Plug for manual rotation of rotors SI Silencer SV Safety valve TSA Resistance thermometer NOTE Technical term In this in...

Страница 6: ...EX 2014 34 EU The machine is intended for suction of explosive gases according to the data given on the nameplate of the machine NP see Explanation of ATEX Classification 8 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 not intended for the placement in a potentially explosive envir...

Страница 7: ... oil temperature of the machine A second resistance thermometer might be installed to monitor the exhaust gas tempera ture Warning and trip signals must be set see Wiring Diagram Resistance Thermometer 21 2 5 Optional Accessories NOTE Depending on the ATEX classification of the machine some of the following accessories may be mandatory see ATEX Classifications and Associated Accessories 9 2 5 1 Ni...

Страница 8: ...group II not for mining application Explosion protection inside the machine Design approved according to ATEX Directive Temperature class inside the machine Equipment protection level T2 300 C T3 200 C T4 135 C Type of protection Special conditions for operation The specific operating conditions are determined in this instruction manual 2 6 1 ATEX Nameplate The machine has two different nameplates...

Страница 9: ...be inhibited if the safety limit values are exceeded 2 7 1 ATEX Classifications and Associated Accessories The following table defines the obligatory accessories depending on the ATEX classifica tion TSA 0104 PSA 0301 ECP TSA 0103 FS 0501 PS 0301 X X i II 3G Ex h IIC T2 Gc X o No ATEX zone X ATEX classification option option option motor Barrier gas ECP Pump earth connection FS Flow switch PSA Pre...

Страница 10: ...ID optional Barrier gas system Purge gas system Dilution gas system Flushing liquid device Air CLP Cooling liquid pump CPL Coupling CWI Cooling water inlet CWO Cooling water outlet FLV Flushing liquid vessel FME Flow meter FS Flow switch GB Gas ballast valve GC Gas connection IN Suction connection IS Inlet screen LS Level switch MAN Manometer MOT Motor MV Solenoid valve NIF Nitrogen inlet filter N...

Страница 11: ... gress into the cylinder Drain the oil prior to every transport or always horizontally transport the machine Make sure that the eyebolt EB is in faultless condition fully screwed in and tightened by hand Machine weight see the technical data or the nameplate NP Check the machine for transport damage If the machine is secured to a base plate Remove the machine from the base plate 4 Storage Seal all...

Страница 12: ...space or location is vented such that sufficient cooling of the machine is provided Make sure that the oil sight glass OSG remains easily visible Make sure that enough space remains for maintenance work Make sure that the machine is placed or mounted horizontally a maximum of 1 in any direction is acceptable Check the oil level see Oil Level Inspection 27 Check the cooling liquid level see Cooling...

Страница 13: ...e made out of conductive material or provisions must be made against creating an electrostatic charge 5 2 1 Suction Connection WARNING Unprotected suction connection Risk of severe injury Do not put hand or fingers in the suction connection NOTICE Ingress of foreign objects or liquids Risk of damage to the machine If the inlet gas contains dust or other foreign solid particles Install a suitable f...

Страница 14: ...nnections CWI CWO to the water supply Connection size G1 2 ISO 228 1 CWI CWO Make sure that the cooling water complies with the following requirements Supply capacity l min 12 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 lifetime we recommend the following cooling water qual...

Страница 15: ...ection size G1 4 ISO 228 1 Electrically connect the solenoid valve MV see Wiring Diagram Solenoid Valve Electrically connect the flow switch FS of the flow meter see Wiring Diagram Flow Switch 22 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 pressure regulating valv...

Страница 16: ...n in the motor terminal box MTB See Electrical Con nection 18 5 4 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 type and oil capacity see Technical Data 36 and Oil 36 1 2 B u s c h O i l 3 MAX MIN 4 Check oil level Oil filling at the motor side ...

Страница 17: ...evel Oil filling at the suction side When 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 0565 568 959 on the machine Order it from your Busch representative ...

Страница 18: ...l Make sure that the power supply for the motor is compatible with the data on the nameplate of the motor The electrical installation must comply with applicable national and international standards Provide a lockable disconnect switch on the power line so that the machine is com pletely secured during maintenance tasks Provide an overload protection according to EN 60204 1 for the motor Make sure...

Страница 19: ... speed must always be higher than 1200 min 1 20 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 5 6 1 Wiring Diagram Three Phase Motor Pump Drive Motor connectors Connection of motor temperature switches recommended T9 T8 T6 T7 T5 T3 T1 T2 T4 P1 P2 P3 P4 P1 P2 MTS1...

Страница 20: ...on tester check if the wiring corresponds to the correct direction of rotation If the rotation of the motor must be changed Switch any two of the motor phase wires 5 7 Electrical Connection of the Monitoring Devices NOTE In order to prevent potential nuisance alarms Busch allows that the control system is configured with a time delay of 2 seconds NOTE The accessories below are considered as standa...

Страница 21: ...i 280 pF m Electrical data transmitter Ui 30 VDC Ii 100 mA Pi 750 mW Li 0 µH Ci 0 pF 4 20 mA 0 300 C Warning signal a warning signal can be set prior the trip signal Trip signal Ttrip TSA 0103 190 C 14 13 mA Part no PT100 0651 543 954 Transmitter 0643 536 800 option Supplier reference PT100 Albert Balzer AG ref TFE BDAE Transmitter Endress Hauser ref TMT 187 B41FJA Maintenance procedure Procedure ...

Страница 22: ... 19 nF 4 20 mA 100 400 mbar relative Warning signal A warning signal can be set prior the trip signal Trip signal Ptrip PSA 0301 0 2 bar 13 6 mA 1200 hPa mbar abs 5 7 3 Wiring Diagram Flow Switch Part no No Busch ref integrated into the flow meter Supplier reference Pepperl Fuchs RC15 14 N3 Maintenance procedure Procedure E 31 P ID position FS 0501 barrier gas flow 2 1 1 Brown 2 Blue Electrical da...

Страница 23: ... High oil temperature A side Warning T T trip YES TSA 0104 Machine in function Start the machine YES Stop button activated Stop the machine Stop the machine with anomaly information YES T T warning High gas temperature Warning YES T T trip NO TSA 0103 Gas temperature NO NO YES Barrier gas flow Barrier gas flow sufficient optional Additional sequences may be added if optional monitoring accessories...

Страница 24: ...ing Cooling Liquid 18 NOTICE Lubricating a dry running machine compression chamber Risk of damage to the machine Do not lubricate the compression chamber of the machine with oil or grease 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 ...

Страница 25: ...veying Condensable Vapours The machine equipped either with a gas ballast valve or a dilution gas system is suitable for the conveyance of condensable vapours within the gas flow If condensable vapours are to be conveyed START Open the gas ballast valve or the dilution gas sytem solenoid valve Warm up the machine 30 minutes 30 minutes Open the inlet valve Perform the process Close the inlet valve ...

Страница 26: ...opriate Particularly harsh applications or heavy duty oper ation such as high dust loads in the environment or in the process gas other contamina tion or ingress of process material can make it necessary to shorten the maintenance in tervals significantly Interval Maintenance work Monthly Check the oil level see Oil Level Inspection 27 Check the cooling liquid level see Cooling Liquid Level Inspec...

Страница 27: ...l MAX MIN MAX MIN MAX MIN Fill up if necessary see Oil Filling 16 7 3 Cooling Liquid Level Inspection Shut down the machine Let the machine cool down Fill up if necessary see Filling Cooling Liquid 18 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 ...

Страница 28: ...0219588_NS0600C_WCV_Ex_ 0000_IM_en 3 1 2 5 4 6 Oil draining at the motor side Cleaning cloth Drain pan Magnetic plug Magnetic plug Cleaning cloth 1 4 2 3 Oil draining at the suction side Cleaning cloth Drain pan Magnetic plug ...

Страница 29: ...l capacity see Technical Data 36 and Oil 36 1 2 B u s c h O i l 3 MAX MIN 4 Check oil level Oil filling at the motor side 4 2 B u s c h O il 3 MAX MIN 1 Check oil level Oil filling at the suction side When the oil filling is achieved Write down the oil change date on the sticker ...

Страница 30: ...WCV_Ex_ 0000_IM_en 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 7 5 Cooling Liquid Change 1 4 2 3 ...

Страница 31: ...ter from the machine Check it with a calibrated oven or send it to an approved laboratory for inspection Reassemble the resistance thermometer on the machine 7 6 2 Procedure C Remove the pressure transmitter from the machine Compare it with another calibrated pressure transmitter or send it to an approved laboratory for inspection Reassemble the pressure transmitter on the machine 7 6 3 Procedure ...

Страница 32: ... 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 9 Decommissioning Shut down the machine and lock against inadvertent start up Turn off the water supply Make sure that the machine does not contain a potentially exp...

Страница 33: ...f efficiency and ATEX compliance 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 Contact your Busch representative for the detailed spare parts list ...

Страница 34: ... repair the ma chine contact Busch Install an inlet filter if ne cessary A temperature sensor has reached the switch point Let the machine cool down See problem The ma chine runs too hot Corrosion in the machine from remaining condensate Repair the machine Check the process and follow the recommenda tion in case of Conveying Condensable Vapours 25 The motor is defective Replace the motor The machi...

Страница 35: ...ng Water Connection 14 Ambient temperature too high Observe the permitted ambient temperature see Technical Data 36 Temperature of the process gases at the inlet too high Observe the permitted gas inlet temperature see Technical Data 36 The cooling water pump is defective Repair the machine Oil level too low Top up oil The oil is black Oil change intervals are too long Drain the oil and fill in ne...

Страница 36: ...bient pressure Atmospheric pressure Cooling water requirements See Cooling Water Connection 14 Oil capacity motor side l 0 8 Oil capacity suction side l 0 8 Cooling liquid capacity approx l 30 Weight approx kg 600 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 requ...

Страница 37: ...0 2010 Safety of machinery Basic concepts general principles of design EN ISO 13857 2008 Safety of machinery Safety distances to prevent hazard zones being reached by the upper and lower limbs EN 1012 1 2010 EN 1012 2 1996 A1 2009 EN ISO 2151 2008 Acoustics Noise test code for compressors and vacuum pumps Engineering method grade 2 EN 60204 1 2006 A1 2009 Safety of machinery Electrical equipment o...

Страница 38: ...Note ...

Страница 39: ...Note ...

Страница 40: ...usch co jp Korea www buschvacuum com kr busch busch co kr Malaysia www busch com my busch busch com my Mexico www buschvacuum com mx info busch com mx Netherlands www buschvacuum com nl info busch nl New Zealand www buschvacuum com nz sales busch co nz Norway www buschvacuum com no post busch no Peru www buschvacuum com pe info busch com pe Poland www buschvacuum com pl busch busch com pl Portugal...

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