BUSCH RA 0165 D Instruction Manual Download Page 35

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Troubleshooting | 12

Instruction Manual R5 RA 0165-0305 D_EN_en

35 | 44

Troubleshooting

DANGER

Live wires.
Risk of electrical shock.

●

Electrical installation work must only be executed by qualified personnel.

DANGER

Live wires. Carry out any work on the variable speed drive and motor.
Risk of electrical shock!

●

Electrical installation work must only be executed by qualified personnel.

CAUTION

Hot surface.
Risk of burns!

●

Prior to any action requiring touching the machine, let the machine cool down first.

Illustration showing parts that may be involved during troubleshooting:

CPL

Problem

Possible Cause

Remedy

The machine does not start.

The motor is not supplied with
the correct voltage.

●

Check the power supply.

The motor is defective.

●

Replace the motor.

The coupling (CPL) is defective.

●

Replace the coupling (CPL).

Summary of Contents for RA 0165 D

Page 1: ... technical data instruction manuals service kits R5 Oil Lubricated Rotary Vane Vacuum Pumps RA 0165 D RA 0205 D RA 0255 D RA 0305 D Instruction Manual 0870524629 D0009_en US Original instructions 5 31 2022 ...

Page 2: ...6 1 Machine delivered with a Control Box Option 17 6 2 Machine delivered without Control Box or Variable Speed Drive VSD 18 6 3 Machine delivered with a Variable Speed Drive Option 19 6 4 Wiring Diagram Three Phase Motor 20 6 5 Electrical Connection of the Monitoring Devices 21 6 5 1 Wiring Diagram Level Switch Optional 21 6 5 2 Wiring Diagram Temperature Switch Oil Optional 21 6 5 3 Wiring Diagra...

Page 3: ...ble of Contents Instruction Manual R5 RA 0165 0305 D_EN_en 3 44 11 Spare Parts 34 12 Troubleshooting 35 13 Technical Data 38 14 Oil 40 15 EU Declaration of Conformity 41 16 UK Declaration of Conformity 42 ...

Page 4: ...to state of the art methods Nevertheless residual risks may remain as described in the following chapters and in accordance with the chapter Intended Use 6 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...

Page 5: ...w OFP Oil fill plug EF Exhaust filter OSG Oil sight glass NP Nameplate ODP Oil drain plug OF Oil filter EB Eye bolt new position see Transport 8 AF Axial fan GB Gas ballast valve OS Oil separator AHE Air oil heat exchanger FM Baffle filter NOTE Technical term In this instruction manual we consider that the term machine refers to the vacuum pump NOTE Illustrations In this instruction manual the ill...

Page 6: ...chanical load on the machine and is permissible only after a consultation with Busch The machine is intended for the placement in a non potentially explosive environment The machine is designed for indoor installation in case of outdoor installation ask your Busch representative in order to take specific precautions The machine is capable of maintaining ultimate pressure see Technical Data 38 The ...

Page 7: ...ature switch monitors the oil temperature of the machine It has two switch points Depending on the oil type the machine must be stopped when the oil reaches a certain temperature see Oil 40 2 4 5 Resistance Thermometer The resistance thermometer monitors the oil temperature of the machine Depending on the oil type warning and trip signals must be set see Oil 40 2 4 6 Level Switch The level switch ...

Page 8: ...s already filled with oil can cause large quantities of oil to ingress into the cylinder Starting the machine with excessive quantities of oil in the cylinder will immediately break the vanes and ruin the machine Drain the oil prior to every transport or always horizontally transport the machine To find out the weight of the machine refer to the chapter Technical Data 38 or the nameplate NP Make s...

Page 9: ...n with water oil heat exchanger Make sure that the cooling water has been completely drained see Decommissioning 33 If the machine is to be stored for more than 3 months Wrap the machine in a corrosion inhibiting film Store the machine indoors dry dust free and if possible in original packaging preferably at temperatures between 0 40 C ...

Page 10: ... weather and lightning Make sure that the installation space or location is vented such that sufficient cooling of the machine is provided Make sure that cooling air inlets and outlets are not 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 maintenanc...

Page 11: ...over the entire length is at least as large as the connections of the machine In case of long connection lines it is advisable to use larger line sizes in order to avoid a loss of efficiency Seek advice from your Busch representative 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 o...

Page 12: ...he machine Make sure that the discharged gas will flow without obstruction Do not shut off or throttle the discharge line or use it as a pressurized air source Connection size s G2 2 NPT Depending on the specific configuration ordered other connection dimensions may apply Unless the aspirated air is discharged to the environment right at the machine Make sure that the discharge line either slopes ...

Page 13: ...ostatic valve TV is set in position 2 approx 75 C oil temperature The pressure switch PS is used to monitor the presence of water at the cooling system of the vacuum pump When the pressure switch detects a pressure lower than 2 bar the vacuum pump must be stopped The water bypass valve WBV is used at the first vacuum pump start up At that moment it should be open approx 90 seconds to prime the wat...

Page 14: ... a long product lifetime we recommend the following cooling water quality Hardness mg l ppm 90 Properties Clean clear PH value 7 8 Particle size µm 200 Chloride mg l 100 Electrical conductivity µS cm 100 Free chloride mg l 0 3 Materials in contact with the cooling water Stainless steel copper and cast iron NOTE Water hardness unit conversion 1 mg l ppm 0 056 dh german degree 0 07 e english degree ...

Page 15: ...g 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 38 and Oil 40 1 Description 1 1x O ring Part no 0486 000 513 ...

Page 16: ...M 48 4 104 RA 0205 D RA 0255 D RA 0305 D In case of a machine delivery without motor Fit the second coupling hub on the motor shaft separately delivered Axially adjust the sleeve in such a way until value E or L is reached When the coupling adjustment is done lock the coupling hub by tightening the radial screw Mount the motor on the machine by including the coupling sleeve For further coupling in...

Page 17: ...requirements of your supply network system if necessary provide further interference suppression EMC of the machine see EU Declaration of Conformity 41 or UK Declaration of Conformity 42 6 1 Machine delivered with a Control Box Option DANGER Live wires Risk of electrical shock Electrical installation work must only be executed by qualified personnel Make sure that the power supply for the motor is...

Page 18: ...nical Data 38 Seek advice from your Busch representative Make sure that the power supply for the motor is compatible with the data on the nameplate of the motor If the machine is equipped with a power connector install a residual current protective device to protect persons in case of isolation default Busch recommends installing a type B residual protective device suitable for the electrical inst...

Page 19: ... ensure by using a suitable multimeter that no voltage is present on any drive power terminals prior to commencing any work Make sure that the power supply for the drive is compatible with the data on the nameplate of the variable speed drive If the machine is equipped with a power connector install a residual current protective device to protect persons in case of isolation default Busch recommen...

Page 20: ...achine is operated in the right direction Determine the intended direction of rotation with the arrow stuck on or cast Jog the motor briefly Watch the fan wheel of the motor and determine the direction of rotation just before the fan wheel stops If the rotation of the motor must be changed Switch any two of the motor phase wires Delta connection low voltage Star connection high voltage Double star...

Page 21: ...652 567 576 Connector M12x1 4 pin Electrical data U 10 30 V DC I consumption 15 mA I output max 150 mA Switch point Pin 1 low level 1 Brown Supply 24V DC 3 Blue Supply 0V DC 4 Black Signal low level NOTE For this device the recommended time delay to prevent nuisance alarms can be up to 240 seconds 6 5 2 Wiring Diagram Temperature Switch Oil Optional Part no 0651 566 632 Connector M12x1 4 pin Elect...

Page 22: ... DC 50 60 Hz I 4 A Switch point P pin 1 2 0 6 bar overpressure 1 2 4 3 2 1 P 1 Brown 2 White 6 5 5 Wiring Diagram Pressure Transmitter Optional Part no 0653 567 425 Connector M12x1 4 pin Electrical data U 10 35 VDC 4 20 mA 0 1 6 bar abs 1 2 4 3 3 1 1 Brown 3 Blue Warning signal Pwarning 0 4 bar overpressure Trip signal Ptrip 0 6 bar overpressure 6 5 6 Wiring Diagram Pressure Switch of Water oil He...

Page 23: ... water inlet is equipped with a water bypass valve WBV open it for approx 90 seconds before the first machine start up Make sure that cooling water requirements are fully complied with see Cooling Water Connection Optional 13 Switch on the machine Make sure that the maximum permissible number of starts does not exceed 30 starts per hour Those starts should be spread within the hour Make sure that ...

Page 24: ... 0165 0305 D_EN_en Wait 30 minutes Open the isolation valve and perform the process Close the isolation valve Wait 30 minutes Close the gas ballast valve GB END not included in the scope of delivery may be considered as optional on certain products ...

Page 25: ...uiring touching the machine let the machine cool down first CAUTION Failing to properly maintain the machine 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 ...

Page 26: ...hortened or extended as appropriate Particularly harsh applications or heavy duty operation such as high dust loads in the environment or in the process gas other contamination or ingress of process material can make it necessary to shorten the maintenance intervals significantly Maintenance work Interval Normal application Harsh application Check the oil level see Oil Level Inspection 27 Daily Ch...

Page 27: ...aul the machine Every 5 years Service interval for synthetic oil shorten the interval when using mineral oil contact Busch Service 8 2 Oil Level Inspection Shut down the machine When the machine is stopped wait 1 minute before checking the oil level MAX MIN MAX MIN MAX MIN Fill up if necessary see Oil Filling 15 ...

Page 28: ... 0305 D_EN_en 8 3 Oil and Oil Filter 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 1 Description 1 1x O ring Part no 0486 000 505 ...

Page 29: ...RA 0165 0305 D_EN_en 29 44 1 2 Description 1 Oil filter wrench 2 1x oil filter OF Part No 0531 000 001 Busch genuine spare part For oil type and oil capacity see Technical Data 38 and Oil 40 1 Description 1 1x O ring Part no 0486 000 513 ...

Page 30: ... 2 Description 1 13 mm wrench 2 Remove filter material FM 1 2 3 4 5 Description 1 4x exhaust filter EF Part No 0532 140 159 Busch genuine spare part 2 Check 4x o ring 3 1x filter material FM Part No 0537 524 514 4 1x flat gasket Part No 0481 523 005 5 13 mm wrench max admissible torque 21Nm ...

Page 31: ...Maintenance 8 Instruction Manual R5 RA 0165 0305 D_EN_en 31 44 8 5 Air Heat Exchanger Cleaning 1 Description 1 Use compressed air and wear protective eyewear and mask ...

Page 32: ...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 with foreign materials which are dangerous to health Decontaminate the machine as much as possible and state the contamination status in a Declaration of Contamination Busch will only accept machines ...

Page 33: ...pply Vent the connected lines to atmospheric pressure Version with water oil heat exchanger Turn off the water supply Disconnect the water supply Open the water bypass valve WBV Blow through the water cooling inlet with compressed air Disconnect all connections If the machine is going to be stored See Storage 9 10 1 Dismantling and Disposal Drain and collect the oil Make sure that no oil drips ont...

Page 34: ... 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 Spare parts kit Description Part no Service kit RA 0165 0205 0255 0305 D Includes all the necessary parts for maintenance 0992 525 287 If other parts are required Contact your Busch representative ...

Page 35: ...lectrical installation work must only be executed by qualified personnel CAUTION Hot surface Risk of burns Prior to any action requiring touching the machine let the machine cool down first Illustration showing parts that may be involved during troubleshooting EF FV GB IS CPL OF Problem Possible Cause Remedy The machine does not start The motor is not supplied with the correct voltage Check the po...

Page 36: ...or expels oil droplets through the gas discharge The exhaust filters EF are partially clogged Replace the exhaust filters EF An exhaust filter EF with o ring is not fitted properly Ensure the correct position of the exhaust filters EF and the o rings The float valve FV does not work properly Check the float valve and the oil return line repair if necessary contact Busch Abnormal oil consumption Oi...

Page 37: ...Troubleshooting 12 Instruction Manual R5 RA 0165 0305 D_EN_en 37 44 For the solution of problems not mentioned in the troubleshooting chart contact your Busch representative ...

Page 38: ...P 7 5 7 5 Power consumption at 100 mbar 75 TORR 50Hz 60Hz kW 3 7 4 7 4 2 5 2 HP 6 3 7 0 Power consumption at ultimate pressure 50Hz 60Hz kW 2 4 2 9 3 3 4 0 HP 3 9 5 4 Noise level ISO 2151 50Hz 60Hz dB A 70 72 72 74 Water vapor tolerance max with gas ballast valve 50Hz 60Hz hPa mbar 40 100 TORR 75 Water vapor capacity with gas ballast valve 50Hz 60Hz kg h 4 8 5 8 6 6 8 0 Lbs h 10 5 12 7 14 5 17 6 M...

Page 39: ...12 0 Power consumption at 100 mbar 75 TORR 50Hz 60Hz kW 5 5 6 6 6 1 7 2 HP 8 8 9 6 Power consumption at ultimate pressure 50Hz 60Hz kW 4 1 4 5 4 7 5 1 HP 6 0 6 8 Noise level ISO 2151 50Hz 60Hz dB A 72 74 74 76 Water vapor tolerance max with gas ballast valve 50Hz 60Hz hPa mbar 40 100 TORR 75 Water vapor capacity with gas ballast valve 50Hz 60Hz kg h 8 2 9 0 10 11 6 Lbs h 18 19 8 22 25 5 Max allowa...

Page 40: ...0831 168 357 0831 168 352 Part number 10 L packaging 0831 566 922 0831 210 162 Part number 20 L packaging 0831 166 905 0831 168 359 0831 168 353 Warning signal Oil temperature C 90 110 110 Switch point Trip signal Oil temperature C 110 130 130 In case of unfavorable ambient temperature other oil viscosities may be used Please consult your Busch representative for more details To know which oil has...

Page 41: ...estriction of the use of certain hazardous substances in electrical and electronic equipment incl all related applicable amendments and comply ies with the following designated standards that have been used to fulfill those provisions Standards Title of the Standard EN ISO 12100 2010 Safety of machinery Basic concepts general principles of design EN ISO 13857 2019 Safety of machinery Safety distan...

Page 42: ...tic Compatibility Regulations 2016 Restriction of 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 Standards Title of the Standard EN ISO 12100 2010 Safety of machinery Basic concepts general principles of design EN ISO 13857 2019 Safety of machinery...

Page 43: ...Instruction Manual R5 RA 0165 0305 D_EN_en 43 44 Notes ...

Page 44: ...esence 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 Local representatives and distributors Busch companies and Busch employees Busch production site www buschvacuum com 0870524629 D0009_en US ...

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