Operating instructions L-BV2, L-BV5 2BV2 06
Contents
1. 20 7 Operation 21 7 1 Operation with supply of the operating liquid automatically controlled operation 21 7 2 Operation with supply of the operating liquid non automatic control of operation 21 7 3 Operation with self suction of the operating liquid 22 7 4 Checking and correcting the operating liquid flow rate 22 8 Decommissioning the machine and shutting it down for a longer period of time 23 8 1 Draining down 23 8 2 Preparations for long term shutdown 24 8 3 Storage conditions 24 8 4 Commissioning after a long shutdown period 24 9 Maintenance 25 9 1 Ma2. 4 1 3 Other risks 6 2 Correct use of the equipment 6 3 Technical data 8 3 1 Mechanical data 8 3 2 Electrical data 10 3 3 Operating conditions normal operation 10 4 Transport 13 5 Installation 14 5 1 Installing the unit 14 5 2 Mechanical connection of the unit
3. 15 5 2 1 Connecting the suction and discharge connections 16 5 2 2 Making the operating liquid connection 16 5 2 3 Connecting up system components 17 5 2 4 Ancillaries 17 5 3 Connecting the electric motor 18 5 3 1 Connection to the motor terminal box 18 5 3 2 Operation with a frequency converter 19 6 Commissioning 19 6 1 Preparation of the unit 19 6 2 Start up of unit with operating liquid supply 20 6 3 Start up of unit with self suction of operating liquid 20 6 4 Checking the direction of rotation
4. Installation Gardner Denver Deutschland GmbH 17 32 610 44440 40 000 5 2 3 Connecting up system components Connect up the components in accordance with the flow diagram shown below Operation with supply of the operating liquid automatically controlled operation 1 2 3 4 5 6 7 610 44440 99 B09 1 Unit 2 Flow meter 3 Throttle valve 4 Solenoid valve coupled to the motor 5 Bypass line with shut off valve for initial filling 6 Strainer 7 Operating liquid supply line Fig 8 Operation with supply of the operating liquid automatically controlled operation Operation with supply of the operating liquid non automatic control of operation 1 2 3 4 6 7 610 44440 99 B10 1 Unit 2 Flow meter 3 Throttle valve 4 Shut off valve 6 Strainer 7 Operating liquid supply line Fig 9 Operation with supply of the operating liquid non automatic control of operation Operation with self suction of the operating liquid 900 mbar abs 13 1 psia 1 m 3 28 ft 4 a b 1 7 9 8 610 44440 99 B11 1 Unit 4 Shut off valve 7 Operating liquid supply line 8 Suction line 9 Operating liquid storage vessel a Liquid level necessary on start up b Min liquid level during operation Fig 10 Operation with self suction of the operat ing liquid 5 2 4 Ancillaries The following ancillaries can be supplied from our catalogue liquid separator including return line and
5. 2 S and 2BV5 121 2 S are supplied with intermediate plates for height adjustment The intermediate plates item 3 page 3 are to be inserted under the mounting feet on the pump casing before securing The unit s mounting feet item 2 page 3 are to be bolted to the base using suitable fixings Fit bolts in all fixing holes 5 2 Mechanical connection of the unit The unit is supplied with all connection openings sealed off to prevent the ingress of foreign mat ter Only remove the seals immediately before connecting up the piping hoses The gases vapours are drawn in through the inlet connection item 8 page 3 and expelled through the discharge connection item 7 page 3 The unit has to be continuously supplied with operating liquid during operation This supply is introduced via the operating liquid connection item 6 page 3 and is expelled to gether with the gases vapours via the discharge connection Filling up with operating liquid The initial charge of operating liquid is dependent on the type of operating liquid supply When operating with self suction of the oper ating liquid before installation see description below When operating with supply of the operating liquid after completion of installation see Filling up with operating liquid page 20 For operation with self suction of the operating liquid fill the unit s operating chamber with oper ating liquid
6. WARNING Hazard in case of overpressure and negative pressure Hazard presented by leaking media Before starting work on the unit or on the sys tem Shut off the operating liquid supply Vent the piping and the unit de pressurize WARNING Hazard presented by rotation of the unit s external fan Operate the unit only if the fan guard is fitted WARNING Hazard presented by rotation of the unit s impeller Operate the unit only if the cover is fitted Removal of the cover is forbidden WARNING Hazard in case of overpressure and negative pressure Hazard presented by leaking media Hazard presented by rotation of the unit s impeller Operate the unit only with the piping hoses connected up to the suction and discharge con nections and to the operating liquid connection WARNING Hazard of cutting or severing of limbs by the unit s impeller Do not reach inside the unit through open connections Do not put objects into any of the openings in the unit WARNING Hazard in case of overpressure and negative pressure Pressure test the piping and vessels installed in the system WARNING Hazard in case of overpressure and negative pressure Hazard presented by leaking media Check the piping hose connections for leak age WARNING Danger of burns or scalding from hot sur faces on the unit and from hot media Do not touch when in o
7. mm inches 2BV2 060 34 1 34 2BV2 061 34 1 34 2BV2 070 53 2 09 2BV2 071 53 2 09 2BV5 110 53 2 09 2BV5 111 53 2 09 2BV5 121 53 2 09 2BV5 131 53 2 09 2BV5 161 80 3 15 2BV5 410 83 3 27 Noise level Measured area sound pressure in accordance with EN ISO 3744 measured at 1 m 3 28 ft distance at medium throttle 100 mbar abs 1 45 psia and with piping connected tolerance 3 dB A Type Sound pressure level measured at 1 m distance L dB A 50 Hz 60 Hz 2BV2 060 70 70 2BV2 061 70 70 2BV2 070 70 71 2BV2 071 72 76 2BV5 110 70 70 2BV5 111 70 74 2BV5 121 70 75 2BV5 131 73 77 2BV5 161 74 75 2BV5 410 70 70 Operating speed See nameplate The operating speed is specified for a 50 60 Hz power supply For other speeds please contact the manufac turer Technical data Gardner Denver Deutschland GmbH 9 32 610 44440 40 000 ATTENTION If the permissible operating speed is exceeded this has a detrimental effect on the unit s operat ing characteristics higher noise levels heavy vibrations reduced grease useful lifetime reduced time between changing bearings The maximum speed should not be exceeded as damage can result from higher operating speeds Operating speeds standard operation at 50 60 Hz n min 1 Type 50 Hz 60 Hz 2BV2 3000 3600 2BV5 110 2BV5 131 1500 1800 2BV5 16
8. 32 610 44440 40 000 610 44440 99 B12 Fig 11 Knocking out the openings in the terminal box A B C 610 44440 99 B13 A Standard entry union B Entry union with reducer C Installation position of backing nut Fig 12 Entry unions with backing nut To protect the motor against overloading Use a power limiting switch These have to be adjusted to the design cur rent specified on the rating plate 5 3 2 Operation with a frequency converter High frequency current and voltage harmonics in the motor supply line can create electro magnetic interference This is dependent on the converter design type manufacturer in terference suppression measures Observe the EMC instructions provided by the manufacturer of the converter Use screened supply cables For optimum screening a large area of the screen should be connected to the motor s metallic terminal box using a metallic conduc tive union Depending on the type of converter used when using motors having integral sensors e g PTC resistors interference can be cre ated in the sensor cables For the maximum speed of rotation see the table Maximum speeds page 9 In the USA units having UL approbation may not be operated on frequency converters without testing by an appropriate inspection authority 6 Commissioning WARNING Improper handling of the equipment can re sult in serious or even fatal injuries Have y
9. G 1 4 G 3 8 G 3 8 G 3 8 5 Anti cavitation connection G 3 8 G 3 8 6 Operating liquid connection G 3 8 G 3 4 ODER Flange stainless steel G 3 8 G 3 8 7 Discharge connec tion Threaded Flanged Flanged Threaded 8 Inlet connection Threaded Flanged Flanged Threaded 9 Direction of rota tion arrow 9 8 7 6 5 2 1 2BV5 1 2 4 3 8 7 6 5 4 1 2 9 2BV2 0 8 7 6 4 1 2 9 2BV5 4 Safety 610 44440 40 000 4 32 Gardner Denver Deutschland GmbH 1 Safety 1 1 Definitions The following key words and symbols are used to impart warnings important information and notes in these operating instructions 1 1 1 Warning symbol The warning symbol is depicted in the safety instructions in the related title frame on the left next to the key word DANGER WARNING CAUTION Safety instructions and warning symbols indicate danger of personal injury Please follow these safety instructions to protect yourself against injury or death Safety instructions without warning symbols indi cate danger of material damage 1 1 2 Key word DANGER WARNING CAUTION ATTENTION NOTE The key words are in the title frame in the safety instructions They follow a defined hierarchy and they indicate in connection with the warning symbol see chap ter 1 1 1 the importance of the danger or the nature of the instruc tion
10. Refer to the following clarifications DANGER Danger of personal injury Indication of an immediately threatened danger which could lead to death or serious injury if the appropriate precautions are not observed WARNING Danger of personal injury Indication of an immediately threatened danger which could lead to death or serious injury if the appropriate precautions are not observed CAUTION Danger of personal injury Indication of a possible danger which could lead to medium or light injury if the appropriate pre cautions are not observed CAUTION Danger of material damage Indication of a possible danger which could lead to material damage if the appropriate precau tions are not observed CAUTION Indication of a possible disadvantage i e unde sired circumstances may arise if the appropriate precautions are not observed NOTE Indicates a possible advantage if the appropri ate precautions are observed tip 1 2 General safety instructions WARNING Improper handling of the unit can result in serious or even fatal injuries This operating manual must be read and understood before com mencing any work on or with the unit and must be complied with and must be available at the unit s location WARNING Improper handling of the unit can result in serious or even fatal injuries Operate the unit for the purposes specified under Correct use of the equipme
11. 2BV5 121 3 0 0 793 0 660 2BV5 131 3 0 0 793 0 660 2BV5 161 8 0 2 113 1 760 2BV5 410 3 0 0 793 0 660 Maximum permissible quantity of water carried along through the inlet connection 1x 1x D 1x K D K 610 44440 99 B05 Type Continuous op eration D max 2 sec K 2BV2 2 5x 7x 2BV5 1 2 5x 5x 2BV5 4 7x 7x 1x design operating liquid flow Transport Gardner Denver Deutschland GmbH 13 32 610 44440 40 000 4 Transport WARNING Improper handling of the equipment can re sult in serious or even fatal injuries Have you read the safety notes in chapter 1 Safety page 4 above If not then you are not allowed to carry out any work on or with the equipment WARNING Hazard presented by tilting or falling loads Before transport make sure that all the compo nents are securely assembled and that all the components for which the fixings have been loosened are either properly secured or re moved CAUTION Tilting or falling over can result in crushing or breaking of bones etc Sharp edges can cause cuts Wear personal protective gear helmet gloves and safety shoes during transportation Transportation by hand WARNING Danger when lifting heavy loads Lifting by hand is permitted only within the fol lowing weight limits max 30 kg max 66 lbs for men max 10 kg max 22 lbs for women max 5 kg m
12. 2BV2 1 1 16 0 2BV5 1 3 18 9 when the design operating liquid flow is main tained Max discharge pressure p2 max for compressor operation at suction pressure p1 1 bar abs 14 5 psia Type bar abs psia At 50 Hz at 60 Hz at 50 Hz at 60 Hz 2BV2 060 2 2 5 2 2 36 3 31 9 2BV2 061 3 2 4 1 9 34 8 27 6 2BV2 070 3 3 6 2 9 52 2 42 1 2BV2 071 5 3 5 2 6 52 2 37 7 2BV5 110 1 1 85 1 6 26 8 23 2 2BV5 111 3 1 9 1 5 27 6 22 5 2BV5 121 3 1 85 1 4 26 8 20 3 2BV5 131 1 1 7 1 4 24 6 21 8 2BV5 161 2 1 8 1 5 27 6 23 9 2BV5 410 2 0 2 0 29 0 29 0 Max permissible pressure within unit pint max Type bar abs psia 2BV2 8 116 2BV5 1 8 116 2BV5 4 6 87 0 If higher pressures can occur elsewhere in the system then appropriate protection devices are to be installed Liquid quantities For extraction of dry air and using water at 15 C 59 F as the operating liquid the following de sign operating liquid flows apply Design operating liquid flow m h Type Flow rate Vacuum operation in the pressure range mbar 33 200 200 500 gt 500 Flow rate com pressor opera tion 2BV2 060 0 20 0 20 0 20 0 20 2BV2 061 0 23 0 23 0 23 0 25 2BV2 070 0 28 0 34 0 14 0 17 0 14
13. See Decalcifying the unit page 26 Operator Power con sumption too high Build up of lime scale or contamination See Flushing the pump casing page 26 Operator No operating liquid supply When operating with supply of the operating liquid Check and correct the operating liquid flow rate see chapter 7 4 Checking and correcting the operating liquid flow rate page 22 When operating with self suction of the operating liquid See 7 3 Operation with self suction of the operating liquid page 22 Clean out the operating liquid supply hose Increase the diameter of the operating liquid supply hose Operator Large scale leak in the system Seal off leaks in the system Operator Unit does not generate a vacuum Incorrect direction of rotation Change the direction of rotation by switching polarity between two of the electrical power supply phases Electrician Insufficient operating liquid See No operating liquid supply page 28 Operator Operating liquid too warm cool the operating liquid or increase the flow rate see chapter 7 4 Checking and correcting the operating liquid flow rate page 22 nominal temperature 15 C 59 F Operator Erosion Corrosion Inspection of the casing the impeller and the control disk Renew the affected components Service Leakage in the system Repair leakage in the system Operator Rotary seal lea
14. before the piping hoses are installed on the unit Fill up with operating liquid through the open inlet connection or discharge connection in accordance with the table Quantity of operat ing liquid for first fill page 12 2BV2 2BV5 Installation 610 44440 40 000 16 32 Gardner Denver Deutschland GmbH 5 2 1 Connecting the suction and discharge connections CAUTION If the unit is connected to a vacuum tunnel the operating liquid can be drawn out of the unit into the system risking damage to the system Fit a check valve in the suction line CAUTION The tightening torque for piping connections to the suction and discharge connections may not exceed 100 Nm 73 8 ft lbs CAUTION When attaching pipelines hoses make sure that these are free from mechanical stresses CAUTION In the case of gases vapours containing impurities if necessary a filter strainer or separator should be installed in the suction line CAUTION In order to prevent residues left over from instal lation work e g welding beads entering the unit an intake strainer should be fitted in the suction line for the first 100 operating hours Connection sizes suction discharge connec tions Type Connection 2BV2 06 Threaded end G1 2BV2 07 Threaded end G11 2 2BV5 11 Flange 50 ND10 DIN 2501 or ANSI B16 5 2 150 Gasket DN50 PN40 DIN EN 1514 1 form FF 2BV5 12 2BV5 13 Flange 65 ND10
15. cavi tation protection line cavitation protection valve check valve connection and contra flanges gas ejector flow limiter Installation 610 44440 40 000 18 32 Gardner Denver Deutschland GmbH 5 3 Connecting the electric motor DANGER Electrical hazard Incorrect actions can lead to severe harm to persons and material damage DANGER Electrical hazard Electrical connection may only be carried out by specialist electricians DANGER Electrical hazard Before starting work on the unit or system the following precautions are to be taken de energize it protect it from being switched on again make sure that it is de energized earth it and bypass it cover or block off adjoining parts which are still live CAUTION Incorrect connection of the motor can result in severe damage to the unit Regulations The electrical connection is to be set up as fol lows in accordance with the currently valid national local and system specific regulations and re quirements in accordance with the current regulations of the power supply company which apply to the place of erection Supply of electrical power The conditions at the place of use must agree with the details on the data plate Permissible deviations which do not lead to loss of performance 5 variation in voltage 2 deviation in frequency 5 3 1 Connection to
16. er de gardnerdenver com Gardner Denver Schopfheim GmbH Roggenbachstra e 58 79650 Schopfheim Deutschland Tel 49 7622 392 0 Fax 49 7622 392 300 Gardner Denver Deutschland GmbH Industriestra e 26 97616 Bad Neustadt Deutschland Tel 49 9771 6888 0 Fax 49 9771 6888 4000
17. gal US 0 220 gal UK Seal off the suction and discharge connec tions as well as the operating liquid connec tion or alternatively reinstall the piping hoses Start and stop the unit briefly to distribute the preserving agent There are two alternatives for storage the unit remains connected up to the sys tem or the unit is removed and stored sepa rately Stainless steel and bronze constructions Drain down the unit as described in chap ter 8 1 Draining down page 23 There are two alternatives for storage the unit remains connected up to the sys tem OR or the unit is removed and stored sepa rately 8 3 Storage conditions This chapter applies to new units units that have been prepared for long term shutdown as described in chapter 8 2 Preparations for long term shutdown page 24 In order to avoid damage during shutdown and storage periods the ambient conditions should be as follows dry free of dust low vibration effective value for the speed of oscillation veff 2 8 mm s 0 11 sec ambient temperature max 40 C 104 F CAUTION Risk of material damage due to high tem peratures Storage at ambient temperatures in excess of 40 C 104 F can result in damage to the wind ings and reduced re greasing intervals 8 4 Commissioning after a long shutdown period CAUTION Risk of material damage due to insuffic
18. page 26 The unit must be delivered complete i e not disassembled A suitable individual packaging is necessary on dispatch to prevent transport damage A declaration of conformity must accompany the delivery as described in chapter 9 4 Decontamination and declaration of Clear ance page 29 The unit s original data plate must be correctly in place intact and readable All claims against guarantee lapse where they apply to systems which are delivered for an estimate of damage to be made and where the system is without the original data plate or where the original data plate has been de stroyed In the event of any guarantee claim the manu facturer must be notified of the operating con ditions and duration of operation as well as any other details on request 9 4 Decontamination and declaration of Clearance WARNING Hazard presented by combustible caustic or poisonous substances Units which have come into contact with haz ardous substances must be decontaminated before being sent to a workshop Every unit that is sent to a workshop for inspec tion maintenance or repair must be accompanied by what is known as a declaration of Clearance The declaration of Clearance which is included in the chapter Form for statement on safety page 31in a form that can be photocopied and is legally binding must be completed and signed by authorized technical personnel must be
19. please contact the manufacturer are suitable for a deep vacuum range are fitted with one of the following types of drive motor standard design explosion protected design These operating instructions are only applica ble for units in the standard design For the explosion protected design RL 94 9 EG see supplementary special operating instructions are available in two constructions cast iron construction for normal require ments stainless steel construction for higher corro sion resistance and hygiene requirements only 2BV2 070 2BV2 071 2BV5 1 are designed for industrial plants Are designed for continuous operation For operation of the units please refer to chap ter 3 Technical data page 8 hereunder for the specified tolerance limits which must be adhered to Foreseeable misuse The following are forbidden to use the unit in non industrial systems to operate the system if it does not include the necessary precautions and protective devices e g protection against touching by small fin gers to operate the unit in spaces in which explo sive gases may be present insofar as the unit is not specifically designed for such condi tions extraction conveyance and compression of explosives combustible aggressive or poi sonous media insofar as the unit is not specifically designed for such conditions operation of the unit at any values other th
20. 0 17 0 50 2BV2 071 0 54 0 23 0 28 0 23 0 28 0 70 2BV5 110 0 80 0 35 0 30 0 90 2BV5 111 1 20 0 40 0 35 1 20 2BV5 121 1 20 1 50 0 40 0 35 1 50 2BV5 131 1 80 0 45 0 40 1 80 2BV5 161 2 40 0 70 0 50 2 40 2BV5 410 0 80 0 80 0 55 0 80 Value for 50 Hz operation value for 60 Hz op eration All other values for 50 Hz and 60 Hz operation Technical data 610 44440 40 000 12 32 Gardner Denver Deutschland GmbH Design operating liquid flow ft h Type Flow rate Vacuum operation in the pressure range psi 0 479 2 90 2 90 7 25 gt 7 25 Flow rate com pressor opera tion 2BV2 060 7 06 7 06 7 06 7 06 2BV2 061 8 12 8 12 8 12 8 83 2BV2 070 9 89 12 0 4 94 6 0 4 94 6 0 17 66 2BV2 071 15 89 8 12 9 89 8 12 9 89 24 72 2BV5 110 28 25 12 36 10 59 31 78 2BV5 111 42 38 14 13 12 36 42 38 2BV5 121 42 38 52 97 14 13 12 36 52 97 2BV5 131 63 57 15 89 14 13 63 57 2BV5 161 84 76 24 72 17 66 84 76 2BV5 410 28 25 28 25 19 42 28 25 Value for 50 Hz operation value for 60 Hz op eration All other values for 50 Hz and 60 Hz operation Quantity of operating liquid for first fill Type l gal US gal UK 2BV2 060 0 5 0 132 0 110 2BV2 061 0 5 0 132 0 110 2BV2 070 1 0 0 264 0 220 2BV2 071 1 0 0 264 0 220 2BV5 110 3 0 0 793 0 660 2BV5 111 3 0 0 793 0 660
21. 1 1000 1200 2BV5 410 1500 1800 No account is taken of motor slip Maximum speeds for operation with elec tronic frequency converter Type nmin min 1 nmax min 1 2BV2 060 2636 4612 2BV2 061 2636 4612 2BV2 070 2123 3715 2BV2 071 2123 3715 2BV5 110 1402 2454 2BV5 111 1402 2454 2BV5 121 1290 2258 2BV5 131 1180 2066 2BV5 161 913 1597 2BV5 410 1402 2454 Tightening torques The following values shall apply insofar as no other specifications are available The basis for non electrical connections is tight ness classes 8 8 and 8 or higher in accordance with EN ISO 898 1 Tightening torques for non electrical connections Thread Nm ft lbs M4 2 7 3 3 1 99 4 44 M5 3 6 4 4 2 65 3 25 M6 7 2 8 8 5 31 6 5 M8 21 6 26 4 15 9 19 5 M10 37 8 46 2 27 9 34 1 M12 63 0 77 0 46 5 56 8 M16 90 110 66 42 81 18 The following specifications for electrical connec tions apply to all terminal board connections with the exception of terminal strips Tightening torques for electrical connections Thread Nm ft lbs M4 0 8 1 2 0 59 0 89 M5 1 8 2 5 1 33 1 84 M6 2 7 4 1 99 2 95 The following values apply specially for metallic and plastic cable and pipe unions Tightening torques for metal threaded glands unions Thread Nm ft lbs M12x1 5 4 6 2 95 4 43 M16x1 5 5 7 5 3 69
22. 5 53 M25x1 5 6 9 4 43 6 64 M32x1 5 M40x1 5 8 12 5 9 8 85 Tightening torques for plastic threaded glands unions Thread Nm ft lbs M12x1 5 2 3 5 1 48 2 58 M16x1 5 3 4 2 21 2 95 M25x1 5 4 5 2 95 3 69 M32x1 5 M40x1 5 5 7 3 69 5 16 Technical data 610 44440 40 000 10 32 Gardner Denver Deutschland GmbH 3 2 Electrical data See motor rating plate 3 3 Operating conditions normal operation Temperatures Temperatures of the gases vapours C F max 80 max 176 For higher media temperatures provisions have to be made in the system to protect against burning e g fitting of guards In this case one of the following provisions can be made increase of the operating liquid flow rate to 2 5 times 2BV2 or to 2 times 2BV5 the de sign operating liquid flow rate cooling circula tion installation of a pre condenser Temperature of the operating liquid C F max 80 max 176 min 5 min 41 Nominal value 15 59 Ambient temperature C F max 40 104 min 5 41 Pressures Min suction pressure p1 min for operation with cavitation protection Cavitation protection tapping open 2BV2 0 and 2BV5 1 only mbar abs psia max achievable under pressure full throttling As a general rule The higher the temperature the lower the suction capacity i e the h
23. DIN 2501 or ANSI B16 5 2 1 2 150 Gasket DN65 PN6 DIN EN 1514 1 form FF 2BV5 16 Flange 80 ND10 DIN 2501 or ANSI B16 5 3 150 Gasket DN80 PN6 DIN EN 1514 1 form FF 2BV5 410 Flange 50 ND10 DIN 2501 or ANSI B16 5 2 150 Gasket DN50 PN40 DIN EN 1514 1 form FF The inlet connection item 8 page 3 is marked with an arrow pointing downward The gases vapours are drawn inward in this direction Connect the system suction line The discharge connection item 7 page 3 is marked with an arrow pointing upward The gases vapours as well as the operating liquid are expelled in this direction Connect the system discharge line 5 2 2 Making the operating liquid connec tion CAUTION In the case of operating liquid with impurities if necessary a filter strainer or separator should be installed in the supply line ATTENTION If the operating liquid is highly calciferous soften the operating liquid OR decalcify the unit regularly chapter 9 1 Maintenance page 26 Connection sizes operating liquid inlet Type Connection 2BV2 0 Threaded tapping G3 8 12 mm deep 2BV5 1 Cast iron Threaded tapping G3 4 24 mm deep 2BV5 1 Stainless steel Threaded tapping G3 4 24 mm deep OR flange in accordance with EN 1092 PN40 DN15 and ANSI B16 5 1 2 150 2BV5 410 Threaded tapping G3 4 24 mm deep Connect the operating liquid supply line to the operating liquid inlet item 6 page 3
24. L Serie L Series Fl ssig keitsring Liquid Ring Edition 03 2010 610 44440 40 000 Original operating instructions English Operating instructions L BV2 L BV5 2BV2 06 2BV2 07 2BV5 11 2BV5 121 2BV5 131 2BV5 161 2BV5 41 2BV5 421 2BV5 47 Contents 2009 Gardner Denver Deutschland GmbH Industriestra e 26 97616 Bad Neustadt Germany Replication distribution and or editing of this document and the use and distribution of its content is prohibited unless explicitly permitted Violation obligates compensation for damages All rights reserved in case of the issue of a patent utility patent or design patent Contents Layout of the units 3 1 Safety 4 1 1 Definitions 4 1 1 1 Warning symbol 4 1 1 2 Key word 4 1 2 General safety instructions
25. NG Danger of burns or scalding from hot sur faces on the unit and from hot media Do not touch when in operation After shutdown allow system to cool down ATTENTION Maximum permissible quantity of water carried along through the inlet connection see the table Maximum permissible quantity of water carried along page 12 7 1 Operation with supply of the operating liquid automatically controlled opera tion Starting the unit up Switch on the power supply The unit will start to draw in the gases va pours to be handled The solenoid valve item 4 Fig 8 page 17 opens and the operating liquid is supplied Switching the unit off Switch off the power supply The unit interrupts suction of the gases va pours The solenoid valve item 4 Fig 8 page 17 closes and supply of the operating liquid cea ses The throttle valve item 3 Fig 8 page 17 is used for setting the operating liquid flow rate during operational shutdown the valve setting i e the position of the valve or the cross sectional area of the valve that is open is not to be changed 7 2 Operation with supply of the operating liquid non automatic control of opera tion Starting the unit up The shut off valve item 4 Fig 9 page 17 is to be opened manually the operating liquid is supplied switch on the power supply The unit will start to draw in the gases va pours to be h
26. an those specified in chapter 3 Technical data page 8 hereunder Modifications to the units are forbidden for safety reasons The operator is allowed to carry out maintenance and repair work only to the extent described in these operating instructions Maintenance and repair work which goes beyond this may only be carried out by companies which have been authorised by the manufacturer ask the service department for details Technical data 610 44440 40 000 8 32 Gardner Denver Deutschland GmbH 3 Technical data 3 1 Mechanical data Mass Weight Weight Type approx kg approx lbs 2BV2 060 Cast iron 25 55 5 2BV2 061 Cast iron 26 57 5 2BV2 070 Cast iron 35 77 5 Stainless steel 42 93 0 2BV2 071 Cast iron 61 135 Stainless steel 67 148 2BV5 110 Cast iron 95 201 Stainless steel 98 216 2BV5 111 Cast iron 110 243 Stainless steel 113 249 2BV5 121 Cast iron 170 375 Stainless steel 182 401 2BV5 131 Cast iron 181 399 Stainless steel 196 432 2BV5 161 Cast iron 252 556 Stainless steel 264 582 2BV5 470 Cast iron 68 150 2BV5 471 Cast iron 77 170 2BV5 410 F Bronze 95 210 2BV5 410 1G Cast iron 87 192 2BV5 411 Cast iron 137 302 2BV5 421 Cast iron 153 337 Specified is the weight for the largest motor size Minimum clearances for heat dissipation Type Minimum clearance Fan guard adjacent surfaces
27. and properly understood by operating and maintenance staff before beginning any work with or on the unit must be complied with and Must be at hand where the unit is installed Operating and maintenance personnel Operating and maintenance personnel units must be trained and authorised for the work to be carried out Work on electrical installations may only be car ried out by a specialist electrician A specialist electrician is someone who can evaluate and identify potential risks for the as signed task as a result of their technical training knowledge and experience as well as knowledge about relevant regulations Correct use of the equipment Gardner Denver Deutschland GmbH 7 32 610 44440 40 000 The units create a vacuum or overpressure are used to extract deliver and compress the following gases vapours all dry and humid gases which are not explosive flammable ag gressive or poisonous Air or air vapour mixtures In the case of explosive flammable ag gressive or poisonous gases vapours please consult the manufacturer The gases vapours must be free of solid matter Small quantities of light suspended matter or liquids can be conveyed along too are designed for operation with the following operating liquids Water of pH value between 6 and 9 that are free of solid matter e g sand in the case of pH values or operating liquids deviating from the above
28. andled Switching the unit off Switch off the power supply The unit interrupts suction of the gases va pours The shut off valve item 4 Fig 9 page 17 is to be closed manually supply of operating liquid ceases The throttle valve item 3 Fig 9 page 17 is used for setting the operating liquid flow rate during operational shutdown the valve setting i e the position of the valve or the cross sectional area of the valve that is open is not to be changed Operation 610 44440 40 000 22 32 Gardner Denver Deutschland GmbH 7 3 Operation with self suction of the oper ating liquid When switching the unit on there should be a vacuum in the suction line item 8 Fig 10 page 17 of min 900 mbar abs 13 1 psia When switching on the liquid level in the sup ply line item 7 Fig 10 page 17 or in the storage vessel item 9 Fig 10 page 17 must be at the same level as the operating liquid connection on the unit item a Fig 10 page 17 During operation the liquid level in the storage vessel item 9 Fig 10 page 17 may not sink below approx 1 m 3 28 ft under the level of the operating liquid connection item b Fig 10 page 17 Starting the unit up Switch on the power supply The unit begins to draw in the operating liquid and the gases vapours to be handled Switching the unit off Switch off the power supply The unit ceases drawing i
29. ax 11 lbs for pregnant women Weight of the unit see table Mass Weight page 8 Above these limits suitable lifting gear or trans port must be used Transport with lifting gear WARNING Hazard presented by tilting or falling loads The following basic rules should be observed when transporting with the aid of lifting gear The load bearing capacity of the lifting gear and load handling devices must correspond to the weight of the unit Weight of the unit see table Mass Weight page 8 Secure the system so that it cannot tilt over or fall off Do not stand under suspended loads Transportation is expected to be carried out by crane using lifting straps chains Transport of type 2BV2 Transport using crane and lifting straps Run the lifting straps under the pump casing and under the fan guard Fig 3 page 13 The lifting straps should locate securely in the undercuts so that the unit cannot slip out from them The lifting straps must be long enough spreading angle less than 90 Take care that the fittings are not damaged Fig 3 Lifting points 2BV2 Installation 610 44440 40 000 14 32 Gardner Denver Deutschland GmbH Transport of type 2BV5 Transport using crane and chains the lifting points are the lifting eyes on the motor and one drilling in the discharge con nection or the suction connection Fig 4 Fig 6 page 14 secure
30. completed separately for each unit dispatched i e one declaration for each unit must be affixed to the outside of the unit s packaging and a copy should be sent e g by fax to the workshop which is to carry out the work be fore the unit is dispatched This ensures that the unit has not come into contact with haz ardous substances a unit which has come into contact with haz ardous substances has been sufficiently de contaminated the inspection maintenance or repair staff can where necessary take any necessary safety precautions CAUTION The inspection maintenance repair of the unit at the workshop will only be commenced when the declaration of conformity is in our pos session If the declaration of conformity is not delivered with the unit then this could result in delays 10 Disposal The entire unit should be disposed of complete for scrapping by a suitable disposal specialist No special measures need be taken in this respect Please contact our service department for further information regarding disposal of the unit 11 Explosion protected design Units in explosion protected construction are supplied with supplementary operating instruc tions containing additional relevant information EU declaration of conformity 610 44440 40 000 30 32 Gardner Denver Deutschland GmbH EU declaration of conformity EU declaration of conformity Manufacturer Gardner Denver Deu
31. ealth safety and on the protection of the environment For the safety of our employees and to comply with statutory requirements on handling substances harmful to the health and the environment this statement must be enclosed fully completed with each unit system sent Without the fully completed statement repair disposal is not possible and delays are unavoidable The statement is to be completed and signed by suitably qualified authorised personnel at the operating organisation In the case of shipment to Germany the statement is to be completed in German or English The statement is to be attached to the outside of the packing on shipment If necessary the carrier is to be informed 1 Product designation type 2 Serial number no BN 3 Reason for sending 4 The unit system has not come into contact with hazardous substances There will be no hazards for personnel or the environment during repair disposal Continue with 6 Legally binding statement has come into contact with hazardous substances Continue with 5 Information on the contamination 5 Information on the contamination if necessary provide more information on an additional sheet The unit system was used in the following application and has come into contact with the following classifiable substances or substances presenting a hazard to health environment Trade name Chemical designation Hazardous sub sta
32. ed out of the pump casing along with the flushing liquid continue the procedure until the flushing liquid emerges free of contamina tion Shut down the unit Remove the hoses from the discharge connection and from the operating liquid connection and reconnect the system piping to the unit Close the screwed plugs in all drain tappings item 4 page 3 Tightening torques 2 3 Nm 1 48 2 21 ft lbs Operating liquid to be softened Decalcifying the unit 3 monthly intervals Get personal protection gear gloves and protective safety glasses Shut down the unit Drain the unit down see chapter 8 1 Draining down page 23 Dismantle the piping hoses Fill the unit with decalcifying agent through one of the connection openings use a 10 acetic acid concentrate or another commercially available decalcifying agent Leave the decalcifying liquid in the unit for at least 30 min Whilst doing so turn the shaft in its normal direction from time to time Fig 15 page 23 depending on the hardness of the oper ating liquid hardness gt 15 dH 2BV2 Screw in an M8 bolt of sufficient length into the shaft end on the external fan side Use a wrench to turn the shaft manually Remove the bolt 2BV5 Remove the fan guard Turn the external fan by hand Refit the fan guard Maintenance Gardner Denver Deutsch
33. ient lubrication of roller bearings after long term storage If the unit is stored for a period of more than 2 years then the roller bearings will require new greasing see Re grease or renew roller bearings page 27 Drain off the preserving agent chapter 8 1 Draining down page 23 No further cleaning of the unit is necessary Dispose of the preserving agent in accor dance with the manufacturer s recommenda tions In the event that the impeller does not rotate freely Decalcifying the unitt or To free it rotate the shaft chapter 9 1 Maintenance page 26 For new units proceed as described in chap ter 5 Installation page 14 For units having been shut down for long pe riods proceed as described in chapter 6 Commissioning page 14 Maintenance Gardner Denver Deutschland GmbH 25 32 610 44440 40 000 9 Maintenance WARNING Improper handling of the equipment can re sult in serious or even fatal injuries Have you read the safety notes in chapter 1 Safety page 4 above If not then you are not allowed to carry out any work on or with the equipment WARNING Improper handling of the unit can result in serious or even fatal injuries All maintenance and service work on the system must be carried out by the service department The operator may only carry out maintenance work on the unit if they are in possession of the relevant maintenance instructions Please c
34. igher the minimum achievable suction pressure 610 44440 99 B04 fl C F temperature of the operating liquid p1 mbar abs psia absolute suction pres sure Fig 2 Pressure characteristics at varying operating conditions 50 100 200 250 300 p 1 mbar abs 0 20 40 60 fl C 80 150 0 5 1 1 5 2 2 5 3 3 5 4 4 5 0 fl F p 1 psia 50 100 150 200 Technical data Gardner Denver Deutschland GmbH 11 32 610 44440 40 000 Min suction pressure p1 min for operation without cavitation protection Cavitation protection tapping closed mbar abs psia 80 1 16 As a general rule The min suction pressure will be the higher in de pendence of the height of the temperature and the height of the vapour pressure of the operating liquid used The min suction pressure must at least be main tained otherwise damage may be caused by the resulting cavitation When operating without cavitation protection the minimum suction pressure is to be set above the level of the hatched range Fig 2 page 10 Dependent on the type and temperature of the operating liquid The values apply for standard conditions operating liquid water at 15 C 59 F gases vapours dry air at 20 C 68 F design operating liquid flow Max discharge pressure p2 max for vacuum op eration Type bar abs psia
35. intenance 26 9 2 Repairs Troubleshooting 27 9 3 Service Customer service 29 9 4 Decontamination and declaration of Clearance 29 10 Disposal 29 11 Explosion protected design 29 EU declaration of conformity 30 Form for statement on safety 31 Layout of the units Gardner Denver Deutschland GmbH 3 32 610 44440 40 000 Layout of the units 610 44440 99 B01 B03 Fig 1 Layout of the units Item Designation 2BV2 2BV5 1 2BV5 4 F 2BV5 4 1G 1 Terminal box 2 Mounting feet 3 Intermediate plates 2BV5 110 2 S 2BV5 121 2 S 4 Drain tapping s
36. king Replace rotary seal Service Motor connection in correct Check and repair motor connection Electrician Electrical power sup ply incorrect Check and repair electrical power supply Electrician System generates too little vacuum Unit is too small Install a larger unit Operator Cavitation in the unit 2BV2 and 2BV5 1 Connect separator cavitation protection hose ancillary or clean out cavitation protection system 2BV5 4 Check that the pressure set ting is in accordance with the permitted operating pressure Operator Squealing noises Operating liquid flow rate too high Check the operating liquid flow rate and if necessary reduce it see chapter 7 4 Checking and correcting the operating liquid flow rate page 22 Operator Leakage in the unit Defective seals Check the seals Service Disposal Gardner Denver Deutschland GmbH 29 32 610 44440 40 000 9 3 Service Customer service Our service department ref cover sheet of these operating instructions is always available for work that is not described in these operating instructions fitting of replacement parts and maintenance and repair work When returning units to us before dispatch Drain down the unit completely as de scribed in chapter 8 1 Draining down page 23 Clean the unit internally and externally as described under Flushing the pump cas ing
37. l Maintenance procedure monthly check the piping and screwed joints for leakage and secure fixing then reseal and retighten them as necessary monthly check the terminal box cover and cable entry openings for proper sealing and reseal if necessary dependent on the concentration of contaminant particles in the ambient air Check the fan guard the external fan and the cooling vanes on the motor for contamination and clean if necessary Take protective measures appropriate for the use of compressed air get personal protection gear gloves and protective safety glasses secure the surrounding area Remove any objects lying around in the area Clean the fan guard external fan and motor cooling vanes using compressed air separator filter or strainer to be installed in the supply line dependent on the concentration of con taminant particles in the operating liquid Flushing the pump casing Shut down the unit Dismantle the piping hoses Place suitable drain off containers underneath the cover Open the screwed plugs in all drain tappings item 4 page 3 Connect a hose to the discharge connection and run it to the drain off container Connect a flushing liquid hose to the operating liquid connection use a clean non hazardous medium e g water for flushing Start the unit up and keep the flushing liquid supply flowing continuously contaminants will be flush
38. land GmbH 27 32 610 44440 40 000 Interval Maintenance procedure Drain off the decalcifying liquid from the unit see chapter 8 1 Draining down page 23 Flushing the pump casing see page 26 Reconnect the piping hoses Start up the unit again see chapter 6 Commissioning page 19 Dispose of the decalcifying agent in accordance with the applicable directives 2 5 years or 20 000 operating hours Re grease or renew roller bearings Open roller bearings and adjacent grease cups are to be cleaned of old grease and contamination Fill approx 50 of the free space in the roller bearings and approx 65 of the volume in the adjacent areas with grease Grease type UNIREX N3 ESSO Co Alternative grease acc DIN 51825 K3N Sealed roller bearings are to be renewed and the adjacent areas do not require greasing It is recommended that the rotary seal the V ring and the valve head are checked for wear and replaced if necessary The specified intervals apply only when using UNIREX N3 grease Avoid mixing different types of grease 9 2 Repairs Troubleshooting Fault Cause Correction Remedy Electrical power sup ply failure Check fuses terminals and cables for continuity Re pair any break in continuity Electrician To free it rotate the shaft 2BV2 Screw in an M8 bolt of suf ficient length into the shaft end on the external fan side U
39. n the operating liquid and the gases vapours 7 4 Checking and correcting the operating liquid flow rate using the flow meter item 2Fig 8 page 17 or item 2 Fig 9 page 17 OR by measuring the quantity of operating liquid per unit of time flowing from the discharge connection using a measuring cup Fig 14 page 22 B C 610 44440 99 B15 B Operating liquid supply line C Discharge line Fig 14 Adjusting the operating liquid flow rate Measuring the flow rate using a measuring cup Correcting the operating liquid flow rate for unit with operating liquid supplied Correct the operating liquid flow rate by means of the throttle valve item 3 Fig 8 page 17 or item 3 Fig 9 page 17 see the table Design operating liquid flow page 11 For self suction of operating liquid the oper ating liquid flow rate varies as follows The higher the suction pressure the lower the operating liquid flow rate The lower the suction pressure the lower the operating liquid flow rate Decommissioning the machine and shutting it down for a longer period of time Gardner Denver Deutschland GmbH 23 32 610 44440 40 000 8 Decommissioning the machine and shutting it down for a longer period of time WARNING Improper handling of the equipment can re sult in serious or even fatal injuries Have you read the safety notes chapter 1 Safety page 4 above If not then you are not allowed to car
40. nce class Properties e g toxic inflammable caus tic radioactive The unit system has been emptied in accordance with the operating instructions flushed and cleaned externally Safety data sheets in accordance with the applicable regulations are enclosed sheet The following safety precautions are necessary for handling e g personal protective equipment 6 Legally binding statement I herewith guarantee that the details specified are true and complete and that I as signatory am in a position to judge that this is so We are aware that we are liable to the contractor for any damages arising from incomplete or incorrect specifications We are obliged to indemnify the contractor against claims for damages by third parties arising from incomplete or incorrect specifications We are aware that irrespective of this statement we are directly liable to third parties in particular including the contractor s employees tasked with repair disposal Company institute Name position Phone Street Fax Post code city Country Stamp Date signature Gardner Denver Deutschland GmbH 610 00250 40 905 P O box 1510 Phone 49 7622 392 0 E mail er de gardnerdenver com 10 2009 97605 Bad Neustadt Fax 49 7622 392 300 Internet www gd elmorietschle com English Elmo Rietschle is a brand of Gardner Denver s Industrial Products Group and part of Blower Operations www gd elmorietschle de
41. nt page 6 using the media specified under Correct use of the equipment page 6 using the values specified under Technical data page 8 WARNING Improper handling of the unit can result in serious or even fatal injuries Only trained and responsible specialist personnel may work on or with the unit transport installation commissioning shutdown maintenance disposal Safety Gardner Denver Deutschland GmbH 5 32 610 44440 40 000 WARNING Working on the unit involves a risk of injury e g through cutting shearing squashing and burning First get personal protection gear helmet gloves safety shoes and only then work on the system WARNING Hair and clothing can be drawn into the unit or caught or wound in by moving parts Do not wear any large or loose items of cloth ing If you have long loose hair wear a hair net DANGER Electrical hazard Before starting work on the unit or system the following precautions are to be taken De energize it Protect it from being switched on again Make sure that it is de energized Earth it and bypass it Cover or block off adjoining parts which are still live DANGER Electrical hazard Work on electrical equipment must be per formed by specialist electricians DANGER Electrical hazard First check that it is de energized Then open the motor terminal box
42. om other equipment is not drawn in Installation Gardner Denver Deutschland GmbH 15 32 610 44440 40 000 Conditions for setting up the system The unit should be set up on a level surface with a load bearing capabil ity suitable for the weight of the unit with the shaft in a horizontal position on stationary fixed surfaces or structures with a clearance from adjacent surfaces in accordance with the table Minimum clear ances for heat dissipation page 8 at a maximum height of 1000 m 3280 ft above sea level If the conditions for setting up the unit deviate from the above please contact the service de partment When setting up take due account of vibration characteristics at the location The unit s overall vibration will depend on the unit s own vibration the alignment and positioning the condition vibration characteristics of the supporting surface The effects resulting from oscillations in o ther components and parts of the plant ex ternal oscillations The maximum permissible value for oscilla tions is veff 4 5 mm s 0 177 s The measuring points for determining the os cillating speed are shown in Fig 7 page 15 610 44440 99 B08 Fig 7 Measuring points for oscillating speed Securing the unit the unit s mounting feet item 2 page 3 are to be bolted to the base using suitable fixings Fit bolts in all fixing holes The types 2BV5 110
43. on of rotation Check the piping hose connections on the suction and discharge connections The unit may not run dry See the section Filling up with operating liquid page 15 and page 20 Briefly switch the unit on then off again The intended direction of shaft rotation is marked by an arrow item 9 page 3 on the pump casing Before shutting the unit down compare the actual direction of rotation of the external fan with the intended direction of rotation of the shaft If necessary reverse the direction of rotation of the motor Operation Gardner Denver Deutschland GmbH 21 32 610 44440 40 000 7 Operation WARNING Improper handling of the equipment can re sult in serious or even fatal injuries Have you read the safety notes in chapter 1 Safety page 4 above If not then you are not allowed to carry out any work on or with the equipment WARNING Hazard in case of overpressure and negative pressure Hazard presented by leaking media Hazard presented by moving parts The unit may only be started up if the fan guard and cover are fitted the piping is connected to the suction and discharge connections the piping and connections have been pres sure and leak tested CAUTION If the unit runs dry the rotary seals will be de stroyed within a matter of seconds DO NOT switch on until the system has been filled with operating liquid WARNI
44. onsult our service department DANGER Electrical hazard Before starting work on the unit or system the following precautions are to be taken de energize it protect it from being switched on again make sure that it is de energized earth it and bypass it cover or block off adjoining parts which are still live WARNING Hazard in case of overpressure and negative pressure Hazard presented by leaking media Before starting work on the unit or system shut off the operating liquid supply vent the piping and the unit de pressurize WARNING Danger of burns or scalding from hot sur faces on the unit and from hot media After shutdown allow system to cool down WARNING Hazard presented by rotation of the unit s impeller Removal of the cover is forbidden WARNING Danger of injury if components tip over or fall off If fixings have come loose then some compo nents may only be held by their centring their seating or even not at all and so they could fall off take appropriate precautions when disman tling and reinstalling components WARNING Hazard presented by combustible caustic or poisonous substances Units that have come into contact with haz ardous substances must be flushed out whilst running before opening the unit up Maintenance 610 44440 40 000 26 32 Gardner Denver Deutschland GmbH 9 1 Maintenance Interva
45. ou read the safety notes in chapter 1 Safety page 4 above If not then you are not allowed to carry out any work on or with the equipment WARNING Hazard in case of overpressure and negative pressure Hazard presented by leaking media Hazard presented by moving parts The unit may only be started up if the fan guard and cover are fitted the piping is connected to the suction and discharge connections and the operating liquid inlet the piping and connections have been pres sure and leak tested CAUTION If the unit runs dry the rotary seals will be de stroyed within a matter of seconds DO NOT switch on until the system has been filled with operating liquid 6 1 Preparation of the unit CAUTION If the gases vapours expelled on the discharge side are to be transferred onward then care must be taken that the maximum outlet pressure is not exceeded See the section Pressures page 10 above ATTENTION Maximal permissible quantity of water carried along through the inlet connection see the table Maximum permissible quantity of water carried along page 12 If a shut off device is installed in the discharge line Commissioning 610 44440 40 000 20 32 Gardner Denver Deutschland GmbH Take measures to ensure that the unit CANNOT be operated with the shut off device closed Measure the motor insulation resistance At values 1k Volt of measurement
46. peration After shutdown allow system to cool down CAUTION Danger of crushing if the unit should tip over Secure the unit to it s foundation before start up Correct use of the equipment 610 44440 40 000 6 32 Gardner Denver Deutschland GmbH 1 3 Other risks WARNING It is possible for long loose hair to be drawn into the external fan through the grille in the fan guard Wear a hair net WARNING Long loose hair can be caught and wound in by the rotation of the shaft between the mo tor end shield and the pump casing Wear a hair net WARNING Injury can be caused by friction abrasion burning etc against the rotating shaft be tween the motor end shield and the pump casing Do not reach into the openings between the motor end shield and the pump casing Do not insert any objects into the openings between the motor end shield and the pump casing WARNING Hot surfaces can cause burning scalding Do not touch Wear protective gloves 2 Correct use of the equipment This operating instructions is applicable for Liquid ring vacuum pumps compressors units types 2BV2 06 2BV2 07 2BV5 11 2BV5 121 2BV5 131 2BV5 161 2BV5 41 2BV5 421 2BV5 47 in standard design contains instructions for the unit s transporta tion installation start up operation shut down storage maintenance and disposal Must have been read
47. poten tial dry the windings Check the piping hose connections for leaks 6 2 Start up of unit with operating liquid supply Filling up with operating liquid For operation with supply of the operating liquid now fill the unit s operating chamber with operat ing liquid For automatically controlled operation the shut off valve in the bypass line item 5 Fig 8 page 17 is to be opened for approx 20 s For non automatic control of operation the shut off valve item 5 Fig 9 page 17 is to be opened for approx 20 s Setting the initial pressure of the operating liquid The initial pressure pA in operating liquid supply line item B Fig 11 page20 is to be set at approx 1 bar 14 5 psi above the suc tion pressure pB in the suction line item A Fig 11 page20 B A pB pA 1 bar pB pA 14 5 psi 610 44440 99 B14 A Suction line B Operating liquid supply line Fig 13 Adjusting the operating liquid flow rate setting the initial pressure Further steps at start up are identical to the pro cedures during operation 6 3 Start up of unit with self suction of op erating liquid Fill up with operating liquid Units with self suction of operating liquid are filled with operating liquid before completion of the installation Filling up with operating liquid page 15 Further steps at start up are identical to the pro cedures during operation 6 4 Checking the directi
48. r 2BV2 screw in an M8 bolt of sufficient length into the shaft end on the external fan side use a wrench to turn the shaft manually For 2BV5 remove the fan guard turn the external fan by hand if necessary remove the fixings from the mounting feet and tip the unit over by 45 to ward the cover side continue these measures until no further liquid comes out close the screwed plugs in all drain tappings item 4 page 3 Tightening torques 2 3 Nm 1 48 2 21 ft lbs for 2BV2 remove the bolt from the shaft end on the fan side For 2BV5 refit the fan guard reinstall the fixings in the mounting feet 2BV2 2BV5 610 44440 99 B16 Fig 15 Turning the shaft Decommissioning the machine and shutting it down for a longer period of time 610 44440 40 000 24 32 Gardner Denver Deutschland GmbH 8 2 Preparations for long term shutdown For longer shutdown periods from approx 4 weeks or in the event of frost hazard proceed as follows Cast iron construction Drain down the unit as described in chap ter 8 1 Draining down page 23 Remove the piping hoses from the suction and discharge connections Pour a preserving agent anti rust oil e g Mobilarma 247 supplied by the Mobil Oil Co into the open suction and discharge connec tions Charge required for 2BV2 l 0 132 gal US 0 110 gal UK For 2BV5 1 l 0 264
49. ry out any work on or with the equipment 8 1 Draining down DANGER Electrical hazard Before starting work on the unit or system the following precautions are to be taken de energize it protect it from being switched on again make sure that it is de energized earth it and bypass it cover or block off adjoining parts which are still live WARNING Hazard in case of overpressure and negative pressure Hazard presented by leaking media Before starting work on the unit or system shut off the operating liquid supply vent the piping and the unit de pressurize WARNING Danger of burns or scalding from hot sur faces on the unit and from hot media Do not touch when in operation After shutdown allow system to cool down WARNING Hazard presented by combustible caustic or poisonous substances In order to protect persons and the environment Units that have come into contact with hazard ous substances must be flushed out whilst run ning before opening the unit up Switch off the power supply Take the abovementioned precautionary measures for safety when working on the unit or system Place suitable drain off containers underneath the cover Open the screwed plugs in all drain tappings item 4 page 3 Allow the liquid to drain off Whilst doing so turn the shaft in its normal direction from time to time Fig 15 page 23 Fo
50. se a wrench to turn the shaft manually Remove the bolt 2BV5 Remove the fan guard Turn the external fan by hand Refit the fan guard Operator See Decalcifying the unit page 26 Operator See Flushing the pump casing page 26 Operator Impeller does not ro tate freely Check the clearance adjustment on the impeller and readjust if necessary Service Foreign matter in the unit Remove the foreign matter Check that the unit functions correctly Service Defective impeller Replace the impeller Service Motor does not start Defective motor bear ing Replace the motor bearing Service Short circuit in the winding Check the winding Electrician Circuit breaker trips out again after it has been switched on Motor overloaded When operating with supply of the operating liquid Check the operating liquid flow rate and if necessary reduce it see chapter 7 4 Checking and correcting the operating liquid flow rate page 22 Operator Maintenance 610 44440 40 000 28 32 Gardner Denver Deutschland GmbH Fault Cause Correction Remedy Excessive backpres sure in the discharge connection Reduce the backpressure Operator Proportion of liquid entrained in the main flow is too high Reduce the proportion of liquid Operator Impeller does not ro tate freely See Impeller does not rotate freely page 27
51. the chains to these lifting points take care that the fittings are not damaged Fig 4 Lifting points 2BV5 1 Fig 5 Lifting points 2BV5 41 2BV5 421 Fig 6 Lifting points 2BV5 47 5 Installation WARNING Improper handling of the equipment can re sult in serious or even fatal injuries Have you read the safety notes in chapter 1 Safety page 4 above If not then you are not allowed to carry out any work on or with the equipment 5 1 Installing the unit CAUTION Danger of crushing if the unit tilts over when installation is not yet completed Wear gloves and safety shoes Handle the unit cautiously CAUTION Danger of tripping and falling over the unit avoid the places where tripping may occur WARNING Electrical hazard The system is to be installed in such a way that external effects cannot lead to damage of the electrical equipment Lay out the connecting cables safely e g in cable ducts or in the ground CAUTION Danger of injury due to parts flying off of a broken external fan Set the unit up such that if parts of a broken external fan should fly through the grille no personnel can be hit CAUTION Risk of damaging the unit by overheating due to blocking the path of dissipated heat and cooling air supply Observe the requirements stated in Minimum clearances for heat dissipation page 8 Make sure that the exhaust air fr
52. the motor terminal box WARNING Electrical hazard The air gaps between non insulated energized components in relation to each other and to earth must be at least 5 5 mm 0 217 at a de sign voltage of UN 690V No exposed wires are permissible The electrical connections must be permanently secured WARNING Electrical hazard Terminal boxes must be free of foreign objects dirt and moisture Close and seal the cover to the terminal box and also seal the cable entry openings against the entry of dust and water Check regularly to make sure they are sealed tight Any scale blind plugs are to be properly re moved Fig 11 page 19 Fit the entry union item A Fig 12 page 19 Screw in the reducer for the PTC resistor connection item B Fig 12 page 19 Connect the protective conductor to the termi nal connect up the connection frame in accor dance with the wiring diagram inside the terminal box item 1 page 3 For tightening torques for terminal boards see the table Tightening torques page 9 For cable terminals with retaining clips set up the cable so that both sides of the bridge are at about the same clamping height Bend the individual conductors into a U form or connect up using a suitable terminal end The protective conductor and the outermost earth conductor must be bent into a U form Commissioning Gardner Denver Deutschland GmbH 19
53. tschland GmbH P O Box 1510 D 97605 Bad Neustadt Saale Responsible for documentation Holger Krause P O Box 1510 D 97605 Bad Neustadt Saale L Series Liquid ring vacuum pump compressor L BV2 L BV5 Designation Types 2BV2 06 2BV2 07 2BV5 11 2BV5 121 2BV5 131 2BV5 161 2BV5 41 2BV5 421 2BV5 47 The liquid ring vacuum pump compressor described above meets the following applicable Community harmoni sation legislation 2004 108 EC Directive 2004 108 EC of the European Parliament and of the Council of 15 December 2004 on the approximation of the laws of the Member States relating to electromagnetic compatibility and repeal ing Directive 89 336 EEC 2006 42 EC Directive 2006 42 EC of the European Parliament and of the Council of 17 May 2006 on machinery and amending Directive 95 16 EC The protection targets of the directive 2006 95 EC have been met Harmonised standards applied EN 1012 1 1996 Compressors and vacuum pumps Safety requirements Part 1 Compressors EN 1012 2 1996 Compressors and vacuum pumps Safety requirements Part 2 Vacuum pumps Bad Neustadt Saale 29 12 2009 Place and date of issue ppa Fred Bornschlegl Name and function Signature Only applicable for version with frequency converter 2FC 664 44440 40 000 Form for statement on safety Gardner Denver Deutschland GmbH 31 32 610 44440 40 000 Form for statement on safety Statement on h
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