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11 | Troubleshooting

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0870201532_RA_RC0400-0630C_-0003_O2_IM_en

11 Troubleshooting

DANGER

Live wires.

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

FV*

* On RA version only

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 de-
fective.

• Replace the coupling

(CPL).

The machine does not reach
the usual pressure on the
suction connection.

Oil level too low.

• Top up oil.

The inlet screen (IS) is par-
tially clogged.

• Clean the inlet screen (IS).

The inlet filter cartridge (op-
tional) is partially clogged.

• Replace the inlet filter

cartridge.

Internal parts are worn or
damaged.

• Repair the machine (con-

tact Busch).

Содержание RA 0400 C

Страница 1: ...uction Manual R5 Oxygen Oil Lubricated Rotary Vane Vacuum Pumps RA 0400 C RA 0502 C RA 0630 C RC 0400 C RC 0502 C RC 0630 C 0870201532 0003_en Original instructions Modifications reserved 22 03 2021 Ateliers Busch S A Zone industrielle 2906 Chevenez Switzerland ...

Страница 2: ... Cooling Water Connection Optional 12 5 3 Filling Oil 13 5 4 Fitting the Coupling 14 5 5 Electrical Connection 14 5 5 1 Wiring Diagram Three Phase Motor 15 5 6 Electrical Connection of the Monitoring Devices 16 5 6 1 Wiring Diagram Temperature Switch Gas 16 5 6 2 Wiring Diagram Level Switch Optional 16 5 6 3 Wiring Diagram Temperature Switch Oil Optional 16 5 6 4 Wiring Diagram Resistance Thermome...

Страница 3: ...Table of Contents 0870201532_RA_RC0400 0630C_ 0003_O2_IM_en 3 9 1 Dismantling and Disposal 27 10 Spare Parts 27 11 Troubleshooting 28 12 Technical Data 30 13 Oil 30 14 EU Declaration of Conformity 31 ...

Страница 4: ...as 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...

Страница 5: ... Motor terminal box OUT Discharge connection DA Directional arrow OFP Oil fill plug EF Exhaust filter OSG Oil sight glass NP Nameplate ODP Oil drain plug OF Oil filter EB Eye bolt RF Radial fan GB Gas ballast valve OS Oil separator AHE Air oil heat exchanger AOS Additional oil separator TS Temperature switch FV Float valve on RA version only LES Lead seal IF Inlet filter DR Demister NOTE Technical...

Страница 6: ...ased thermal and or mechanical 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 ...

Страница 7: ...n case of unfavourable ambient conditions a water oil heat exchanger can be provided See Cooling Water Connection Optional 12 2 5 4 Temperature Switch Oil The temperature 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 30 2 5 5 Resistance Thermometer The resistance t...

Страница 8: ...g a machine that is already filled with oil can cause large quantities of oil to in gress 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 Make sure that the eyebolt s EB is are in faultless condition fully screwed in and t...

Страница 9: ...st only be carried out by qualified personnel who are informed about the applicable safety regulations and trained in the handling of oxygen Accident prevention regulations or methods must imperatively be complied with Seek further information European Industrial Gases Association EIGA www eiga eu EIGA SAG NL 79 04 Berufsgenossenschaft Rohstoffe und chemische Industrie BG RCI www bgrci de Merkblat...

Страница 10: ...ards hoods etc are mounted Version with water oil heat exchanger Make sure that the cooling water complies with the requirements see Cooling Water Connection Optional 12 If the machine is installed at an altitude greater than 1000 meters above sea level Contact your Busch representative the motor should be derated or the ambient temperature limited If the machine is equipped with monitoring device...

Страница 11: ...valve in order to prevent the oil from flowing back to the vacuum system 5 2 2 Discharge Connection CAUTION The discharge gas contains small quantities of oil Risk to health If air is discharged into rooms where persons are present Make sure that sufficient ventilation is provided Connection size s G3 or no dimension grid Depending on the specific order other connection dimensions may apply Make s...

Страница 12: ...sure switch detects a pressure lower than 2 bar the machine must be stopped The water bypass valve WBV is used at the first machine start up At that moment it should be open approx 90 seconds to prime the water heat exchanger afterwards it should be closed The solenoid valve MV is used to stop the cooling water circulation when the machine is not running Connect the cooling water connections CWI C...

Страница 13: ... wrong oil type Risk of fire Only use oil approved by Busch and suitable for oxygen application see Oil 30 At delivery the machine is already filled with specific oil Busch YLC 250 B which is suitable for oxygen application A lead seal is applied on the oil fill plug OFP and the oil drain plug ODP in order to prevent wrong material from being filled in Lead seal must only be removed and applied by...

Страница 14: ...trical Connection DANGER Live wires Risk of electrical shock Electrical installation work must only be executed by qualified personnel NOTE The operation with variable speed i e with a variable frequency drive or a soft starter unit is allowed as long as the motor is admitted and the permitted motor speed range is neither underrun nor exceeded see Technical Data 30 Seek advice from your Busch repr...

Страница 15: ...E Incorrect direction of rotation Risk of damage to the machine Operation in the wrong direction of rotation can destroy the machine in a short time Prior to start up ensure that the machine 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 ju...

Страница 16: ...1 T1 4 3 T2 1 Brown 2 White 3 Blue 4 Black 5 6 2 Wiring Diagram Level Switch Optional Part no 0652 569 236 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 4 3 0 5 A K 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 ...

Страница 17: ...0 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 5 6 6 Wiring Diagram Pressure Transmitter Optional Part no 0653 204 444 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 5 6 7 Wiring Diagram Pressure Switch of Water oil Heat Ex...

Страница 18: ...rom service and cleaned by specialists contact your Busch representative 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 persons are present in the vicinity of a non noise insulated machine over extended periods ...

Страница 19: ...lve and perform the process Close the isolation valve END START 30 minutes Close the gas ballast valve may be considered as optional on certain products 7 Maintenance WARNING Lack of oxygen regulation knowledge Risk of fire Installation commissioning and maintenance must only be carried out by qualified personnel who are informed about the applicable safety regulations and trained in the handling ...

Страница 20: ... Risk of injuries Risk of premature failure and loss of efficiency Respect the maintenance intervals or ask your Busch representative for service Make sure to have an authorisation from Busch to perform any maintenance tasks Shut down the machine and lock against inadvertent start up Vent the connected lines to atmospheric pressure Version with water oil heat exchanger Turn off the water supply If...

Страница 21: ...st valve If the machine is equipped with an air oil heat exchanger AHE Check and or clean the air oil heat ex changer If the machine is equipped with an water oil heat exchanger WHE Check and or clean the water cooling sys tem Every 6 months Contact Busch for an inspection If required overhaul the machine Every 5 years 7 2 Oil Level Inspection Shut down the machine When the machine is stopped wait...

Страница 22: ...lication see Oil 30 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 A lead seal is applied on the oil fill plug OFP and the oil drain plug ODP in order to prevent wrong material from being filled in Lead seal must only be removed and applied by authorised and trained personnel seek advi...

Страница 23: ...A_RC0400 0630C_ 0003_O2_IM_en 23 32 1 3 2 Drain pan 1x o ring part no 0486 509 010 Remove lead seal if authorized USED 1 USED 2 NEW 0531 000 005 3 Busch genuine spare parts 1x oil filter OF part no 0531 532 236 Oil filter wrench ...

Страница 24: ...C_ 0003_O2_IM_en For oil type and oil capacity see Technical Data 30 and Oil 30 1 4 MAX MIN 3 B u s c h O il 2 5 Check oil level Reapply lead seal 1x o ring part no 0486 000 517 7 5 Exhaust Filter Change 12x 1 2 3 6 mm hex key 8x exhaust filter EF ...

Страница 25: ..._RC0400 0630C_ 0003_O2_IM_en 25 32 1 O ring 12x 3 2 6 mm hex key Max admissible torque 21 Nm Busch genuine spare parts 8x exhaust filter EF part no 0532 141 270 1x flat gasket part no 0480 000 131 7 6 Air Heat Exchanger Cleaning ...

Страница 26: ...f efficiency It is highly recommended that any dismantling of the machine that goes beyond any thing that is described in this manual should be done through Busch In case of the machine having conveyed gas that was contaminated with foreign materi als which are dangerous to health Decontaminate the machine as much as possible and state the contamination status in a Declaration of Contamination Bus...

Страница 27: ...ecial waste from the machine Dispose of special waste in compliance with applicable regulations Dispose of the machine as scrap metal 10 Spare Parts NOTICE Use of non Busch genuine spare parts Risk 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 WARNING Use ...

Страница 28: ... CPL GB FV IS EF On RA version only 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 de fective Replace the coupling CPL The machine does not reach the usual pressure on the suction connection Oil level too low Top up oil The inlet screen IS is par tially c...

Страница 29: ... and the o rings The float valve FV does not work properly Check float valve and the oil return line repair it if necessary contact Busch Abnormal oil consumption Oil leaks Replace seals contact Busch The float valve FV does not work properly Check float valve and the oil return line repair it if necessary contact Busch The machine runs at atmo spheric pressure for a long period Make sure that the...

Страница 30: ...on at ulti mate pressure 50Hz 60Hz kW 4 7 5 6 5 8 6 4 6 5 8 0 Noise level EN ISO 2151 50Hz 60Hz dB A 77 79 77 79 77 79 Water vapour tolerance max with gas ballast valve 50Hz 60Hz hPa mbar 40 40 Water vapour capacity with gas ballast valve 50Hz 60Hz kg h 9 11 11 13 18 22 Max allowable pressure in the oil mist separator hPa mbar abs 1600 Max allowable gas inlet tem perature C 50 hPa mbar 150 50 hPa ...

Страница 31: ... certain haz ardous substances in electrical and electronic equipment and the following standards Standard Title of the Standard EN ISO 12100 2010 Safety of machinery Basic concepts general principles of design ISO 13857 2019 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 Compressors and vacuum pumps Saf...

Страница 32: ...t 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 busch com pe Poland busch busch com pl Portugal busch busch pt Romania office buschromania ro Russia info busch ru Singapore sales busch com sg South Africa info busch co za Spain contacto buschiberica es Sweden...

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