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5 | Installation

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0870572240_RA0400-0630C_Ex_-0011_IM_en

5.2.3 Cooling Water Connection (Optional)

Water-oil heat exchanger without inlet accessories

Water-oil heat exchanger with inlet accessories

(Available for all ATEX classifications)

(Only available for ATEX classifications C and D )

WHE

CWO

CWI

CWO

CWI

WHE

WBV

CWI

Cooling water inlet

Pressure switch

CWO

Cooling water outlet

WBV

Water bypass valve

WHE

Water-oil heat exchanger

Water filter

Thermostatic valve

Solenoid valve

The thermostatic valve (TV) is used to control the water flow in order to keep a stable
machine temperature.

The factory default adjustment of the thermostatic 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 machine.

When the pressure 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 / CWO) to the water supply.

Connection size:

– 19 mm hose (CWI / CWO)

• If necessary, electrically connect the pressure switch (PS), see

Wiring Diagram Pres-

sure Switch of Water-oil Heat Exchanger (Optional) [

►

21]

• If necessary, electrically connect the solenoid valve (MV).

• Make sure that the cooling water complies with the following requirements:

Min. supply capacity

l/min

Water pressure

bar

2 ... 6

Supply temperature

°C

+5 ... +35

Required pressure differential across supply
and return

bar

≥

Содержание R5 ATEX

Страница 1: ...uction Manual R5 ATEX Oil Lubricated Rotary Vane Vacuum Pumps RA 0400 C RA 0502 C RA 0630 C RC 0400 C RC 0502 C RC 0630 C 0870572240 0011_en Original instructions Modifications reserved 23 03 2021 Ateliers Busch S A Zone industrielle 2906 Chevenez Switzerland ...

Страница 2: ...ines Pipes 12 5 2 1 Suction Connection 13 5 2 2 Discharge Connection 13 5 2 3 Cooling Water Connection Optional 14 5 3 Earth Connection 15 5 4 Filling Oil 16 5 5 Fitting the Coupling 16 5 6 Electrical Connection 17 5 6 1 Wiring Diagram Three Phase Motor 18 5 7 Electrical Connection of the Monitoring Devices 19 5 7 1 Wiring Diagram Temperature Switch 19 5 7 2 Wiring Diagram Resistance Thermometer 1...

Страница 3: ...ts 0870572240_RA0400 0630C_Ex_ 0011_IM_en 3 8 Overhaul 30 9 Decommissioning 31 9 1 Dismantling and Disposal 31 10 Spare Parts 31 11 Troubleshooting 32 12 Technical Data 34 13 Oil 35 14 EU Declaration of Conformity 36 ...

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: ...DP OSG MTB GB TSA or TS 0101 PSA or PS 0301 OFP IF ECI AF AHE DA FV FV MTB DA AHE TSA or TS 0102 RA 0400 C RA 0502 C RA 0400 C 60 Hz RA 0502 C RA 0630 C RA 0400 C RA 0630 C ECP EF FM two positions are possible two positions are possible TSA 0104 or TS 0104 LS 0201 IN Suction connection MTB Motor terminal box OUT Discharge connection DA Directional arrow OFP Oil fill plug EF Exhaust filter OSG Oil ...

Страница 6: ... see Ex planation 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 intended for the placement in a potentially explosive environment ac cording to the data given on the nameplate of the motor and the nameplate of the ma chine NP see Explanation of ATEX Classif...

Страница 7: ...other solids in the process gas The inlet filter is available with a polyester antistatic cartridge 2 4 3 Water oil Heat Exchanger In case of unfavourable ambient conditions a water oil heat exchanger can be provided See Cooling Water Connection Optional 14 2 4 4 Temperature Switch The temperature switch monitors the gas and the oil temperature of the machine The machine must be stopped when the g...

Страница 8: ...plosion group inside the machine Equipment protection level dust Max temperature for surfaces in contact with dust Equipment protection level dust Dust explosion group outside the machine Special conditions for operation Special conditions for operation Equipment protection level gas The specific operating conditions are determined by the type of oil used in the ma chine which will limit the max a...

Страница 9: ... 150 C Db X o II 2GD Ex h IIB T4 Gb IIIC 130 C Db X or o II 2GD Ex h IIB T3 Gb IIIC 150 C Db X ATEX classification IF Inlet filter TSA Resistance thermometer TS Temperature switch PSA Pressure transmitter PS Pressure switch MOT Motor CPL Coupling EF Exhaust filter ECP Pump earth connection ECI Inlet filter earth connection 2 6 2 P ID Piping and Instrumentation Diagram M PSA 0301 0201 LS PS 0301 TS...

Страница 10: ... 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 ti...

Страница 11: ...conditions are not respected in an ATEX environment Risk of severe injury Risk of explosion Take care that the installation conditions are met NOTICE Use of the machine outside of the permitted installation conditions Risk of premature failure Loss of efficiency Take care that the installation conditions are fully complied with 50 cm 50 cm 100 cm 100 cm Make sure that the environment of the machin...

Страница 12: ...such that operation of the machine will be inhibited if the safety limit val ues are exceeded see Electrical Connection of the Monitoring Devices 19 If additional electrical components not included in scope of delivery should be added Make sure that they have a better or equal ATEX classification than that of the machine see the ATEX marking on the nameplate NP For classification type C and D see ...

Страница 13: ...solation 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 Depending on the specific order other connection dimensions may apply Make sure that the...

Страница 14: ...sed to monitor the presence of water at the cooling system of the machine When the pressure 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 ...

Страница 15: ...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 0 1 fH french degree 5 3 Earth Connection In order to prevent the machine from creating an electrostatic charge Connect the earth connection of the machine ECP If an inlet filter IF being installed Connect the earth connection of the inl...

Страница 16: ...s 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 34 and Oil 35 1 4 MAX MIN 3 B u s c h O il 2 Check oil level 5 5 Fitting the Coupling E L Coupling hub machine side Coupling hub motor side Coupling sleeve Radial screw Max admissible torque 17 Nm ...

Страница 17: ...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 34 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 The electrical installation must comply with applicab...

Страница 18: ...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 connection multi voltage motor with 12 pins low voltage...

Страница 19: ...1 538 812 Supplier reference Trafag 414 P ID position TS 0101 gas temp TS 0102 gas temp optional TS 0104 oil temp optional 2 1 T 1 Brown 2 White Electrical data Ui 24 VDC Ii 100 mA Pi 0 6 W Li 0 µH Ci 0 pF Contact Normally closed Switch point factory default adjustment Ttrip TS 0101 140 C for RA RC 0400 and 0502 C Ttrip TS 0101 130 C for RA RC 0630 C Ttrip TS 0102 80 C for RA RC 0400 0630 C Ttrip ...

Страница 20: ...ries Maintenance procedure Procedure B P ID position PS 0301 Electrical data Ui 49 VDC Ii 3 A Li 0 µH Ci 0 pF Contact Normally closed 2 1 P Switch point P PS 0301 1500 hPa mbar abs factory default adjustment 5 7 4 Wiring Diagram Pressure Transmitter Part no 0653 204 444 Supplier reference Wika IS 3 Connector M12x1 4 pin P ID position PSA 0301 1 2 4 3 3 1 1 Brown 3 Blue Electrical data Ui 30 VDC Ii...

Страница 21: ... LS 0201 pin 1 4 low level stop the machine I 2 2 mA Level OK I 1 mA Level not OK stop the machine 5 7 6 Wiring Diagram Pressure Switch of Water oil Heat Exchanger Optional Part no 0653 000 002 Electrical data U 230 VAC I 1 A U 24 100 VDC I 0 5 2 A Contact Normally open Switch point Ptrip 2 bar relative min admissible pressure 2 4 P 1 PE ...

Страница 22: ... NO NO YES Cat 2 i T T warning High gas temperature Warning T T trip NO YES YES NO Cat 2 i T T switch point PSA 0301 PS 0301 Oil level TSA 0101 TS 0101 TSA 0104 TS 0104 Oil temperature T T switch point T T warning High oil temperature Warning T T trip YES YES NO NO machine in function Start the machine NO YES YES Stop button activated YES NO Stop the machine Stop the machine Alarm trip OR OR LS 02...

Страница 23: ...he installation conditions see Installation Conditions 11 are met Version with water oil heat exchanger Turn on the water supply If the cooling 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 14 Switch on the machine Make sure...

Страница 24: ...se the gas ballast valve may be considered as optional on certain products 7 Maintenance WARNING Machines contaminated with hazardous material Risk of poisoning 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 machine let the machine cool down first WA...

Страница 25: ...make it necessary to shorten the maintenance intervals signifi cantly Maintenance work Interval Normal application Harsh application Check the oil level see Oil Level Inspec tion 26 Daily Check the machine for oil leaks in case of leaks have the machine repaired contact Busch In case an inlet filter is installed Check the inlet filter cartridge replace it if necessary Monthly Change the oil the oi...

Страница 26: ... 1 minute before checking the oil level MAX MIN MAX MIN MAX MIN Fill up if necessary see Oil Filling 16 7 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 2 Drain pan 1x o ring part no 0486 000 505 ...

Страница 27: ... 0011_IM_en 27 40 USED 1 USED 2 NEW 0531 000 005 3 Busch genuine spare parts 1x oil filter OF part no 0531 000 005 Oil filter wrench For oil type and oil capacity see Technical Data 34 and Oil 35 1 4 MAX MIN 3 B u s c h O il 2 Check oil level ...

Страница 28: ... 12x 1 2 4x 3 4 6 mm hex key extract filter material FM 8x exhaust filter EF 1 O ring 12x 4 4x 2 3 6 mm hex key Max admissible torque 21 Nm 1x filter material FM part no 0537 000 042 1x flat gasket part no 0480 000 131 Busch genuine spare parts 8x exhaust filter EF part no 0532 141 270 ...

Страница 29: ...a visual check Please refer to the coupling instruction manual attached to the ATEX Accessories Book for detailed information in order to carry out a correct inspection and mainten ance Manufacturer KTR Kupplungstechnik Type BoWex M65 with ATEX certification Hub Hub M sleeve Set screw Set screw 7 6 Air Heat Exchanger Cleaning ...

Страница 30: ... 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 Busc...

Страница 31: ...CE Use of non Busch genuine spare parts Risk of premature failure Loss of 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 Spare parts kit Description Part no Service kit RA RC 0400 0502 0630 C Includes all the necessary parts for mainten ance for ATEX classification ...

Страница 32: ...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 cl...

Страница 33: ...nd 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 m...

Страница 34: ...d range min 1 800 1200 Nominal motor rating 50Hz 60Hz kW 11 0 15 0 11 0 15 0 15 0 18 5 Power consumption at 100 mbar 50Hz 60Hz kW 8 2 10 0 9 9 12 0 11 6 14 4 Power consumption 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 ba...

Страница 35: ... packaging 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 unfavourable ambient temperature other oil viscosities may be used Please consult your Busch repre sentative for more details To know which oil has been filled in the machine please refer to the nameplate NP Signal conversion values for resistance therm...

Страница 36: ...y 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 Safety requirements Part 1 and Part 2 EN ISO 2151 2008 Acoustics Noise test code for compressors and vacuum pumps Engineering method grade 2 IEC 60204 1 20...

Страница 37: ...Note ...

Страница 38: ...Note ...

Страница 39: ...Note ...

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