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Operating Instructions G-BH7 2BH72 2BH73
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1. cooling air Weight Model mm inches approx approx Single impeller design 2BH72 34 1 34 moge Welgnt 2BH73 34 1 34 kg Ibs a EA 2BH74 52 2 05 2BH7210 0 1 16 35 a 52 2 09 2BH7310 0 1 16 35 Zeus gt 2 09 2BH7310 0 2 17 38 8 Minimum distance to face of vacuum 2BH7410 0 1 23 51 pump compressor cover 2BH7510 0 1 26 57 Model mm inches 2BH7510 0 2 29 64 SERIES approx 2BH7610 0 1 32 71 2BH7 30 1 18 2BH7610 0 3 35 77 Vibrations Two impeller design The following table provides information on the maximum permissible loading due to vibrations Model Weight Qh Model Vibration velocity kg bs Ver approx approx mm s ft s 2BH7220 0 2 24 53 lt lt 2BH7220 0 5 28 62 2BH72 2BH75 3 0 0 010 2BH7320 0 5 30 66 2BH76 3 5 0 011 2BH7420 0 2 33 73 2BH7420 0 5 39 86 2BH7520 0 2 40 88 2BH7520 0 7 51 112 2BH7620 0 3 48 106 2BH7620 0 5 65 143 Three impeller design Model Weight kg bs approx approx 2BH7530 0 8 68 150 2BH7630 0 6 94 207 610 44436 40 000 8 28 Gardner Denver Deutschland GmbH Technical Data Noise level Temperature increase Measuring surface sound pressure level
2. Genie 27 Fig 1 Design of gas ring vacuum pump compressor 1 Vacuum pump compressor housing 2 Vacuum pump compressor cover 3 Inlet connection with muffler Discharge connection with muffler Base Flow direction arrow Rotating direction arrow Drive motor Fan guard over external fan 10 Terminal box N A OMAN DH 2009 Gardner Denver Deutschland GmbH Industriestra e 26 97616 Bad Neustadt Germany Gardner Replication distribution and or editing of this document and the use and distribution of its content is nver 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 1 Safety 1 1 Definitions To point out dangers and important information the following signal words and symbols are used in these operating instructions 1 1 1 Safety alert symbol The safety alert symbol is located in the safety precautions in the highlighted heading field on the left next to the signal word DANGER WARNING CAUTION Safety precautions with a safety alert symbol indicate a danger of injuries Be sure to follow these safety precautions to protect against injuries or death Safety precautions without a safety alert symbol indicate a danger of damage 1 1 2 Signal words DANGER The signal words are located in the safety precautions in the WARNING highlighted he
3. Parliament and Council Directive 2006 42 EC from 17th May 2006 on machinery and amending Directive 95 16 EC 2004 108 EC Directive 2004 108 EC of the European Parliament and Council from 15th December 2004 for the application of the legal regulations of the EU member states concerning electrical devices and repealing Directive 89 336 EEC Harmonised standards applied EN 1012 1 2010 Compressors and vacuum pumps Safety requirements Part 1 Compressors EN 1012 2 1996 Compressors and vacuum pumps Safety requirements Part 2 Vacuum pumps A1 2009 EN ISO 12100 2010 Safety of machinery General principles for design Risk assessment and risk reduction ISO 12100 2010 EN 60204 1 2006 Safety of machinery Electrical equipment of machines Part 1 General requirements IEC 60204 1 2005 amended EN 60034 1 2010 Rotating electrical machines Part 1 AC 2010 Rating and performance IEC 60034 1 2010 amended Bad Neustadt 18 04 2012 Place and date of issue B thunasr Andreas Bernklau product management attorney Dr Rudi Dittmar development Name and function Name and function Only applicable for version with frequency converter 2FC 664 44436 40 000 610 44436 40 000 26 28 Gardner Denver Deutschland GmbH Form for statement on safety A WN Product designation type Gardner enver Statement on health safety and on the protection of the environment For the safety of our employees and to co
4. as per The information listed in the following tables EN ISO 3744 measured at a distance of 1m corresponds to the heating of vacuum 3 28 ft at an operating point of approximately pump compressor housings and the air exiting 2 3 of the permissible total pressure difference compared to the ambient temperature during with the lines connected without a vacuum or operation with a permissible total pressure pressure relief valve tolerance 3 dB A difference and an air pressure of 1 013 mbar 14 7 psi At lower air pressures these values Single impeller design increase Model 1 m measuring surface Single impeller design souneipressbts level Model Temperature increase dB A x 50 Hz 60 Hz AT K AS F approx approx PEAR WAN i 50 Hz 60 Hz 50 Hz 60 Hz uralte g 2BH7210 0 1 52 61 94 110 nee 19 2BH7310 0 1 61 61 110 110 ZDRA IIA 70 9 2BH7310 0 2 81 86 146 155 RPMS Dele A 2BH7410 0 1 90 101 162 182 eer Mes a 2BH7510 0 1 93 111 167 200 Bea A 2BH7510 0 2 120 112 216 202 als NR r 2BH7610 0 1 118 124 212 223 Two impeller design 2BH7610 0 3 118 124 212 223 Model 1 m measuring surface Two impeller design sound pressure level L Model T t dB A ode emperature increase 50 Hz 60 Hz zZ AS F approx approx 2BH7220 0 2 70 50 Hz 60 Hz 50 Hz 60 Hz 2BH7220 0 5 70 2BH7220 0 2 55 77 99 139 2BH7320 0 5 70 ee 2BH7220 0 5 74 110 133 198 2BH7420 0 2 70 Pe s
5. carry out any work with or on the pump motor unit O DWARNING O Improper use of the unit can result in serious or even fatal injuries All maintenance work on the pump motor unit must always be performed by the Service Department Maintenance work on the pump motor unit may only be conducted by the operator itself when the related maintenance manual on hand Inquire with the Service Department Gardner Denver Deutschland GmbH 23 28 610 44436 40 000 Servicing 9 1 Repairs troubleshooting Fault Cause Remedy Carried out by Motor does not At least two power supply Eliminate interruption by fuses terminals or Electrician start leads interrupted power supply cables no motor noise Motor does not One power supply lead Eliminate interruption by fuses terminals or Electrician start humming interrupted power supply cables noise aot Impeller is jammed Open vacuum pump compressor cover Service remove foreign body clean Check or correct impeller gap setting if Service necessary Impeller defective Replace impeller Service Rolling bearing on drive Replace motor bearing or vacuum Service motor side or vacuum pump compressor bearing pump compressor side defective Protective Winding short circuit Have winding checked Electrician motor switch trips when Motor overloaded Throttling Reduce throttling Service does not match s
6. e Attachment of threaded flange or hose flange available as accessories for the connection of inlet or discharge pipe to the muffler e Electrical connection e Connection of inlet and discharge connection to the system 5 1 Installation For an installation that differs from the following specifications it is necessary to inquire with the Service Department Ambient conditions The pump motor unit is suitable for installation in the following environments e Inadusty or damp environment e in buildings e inthe open When properly installed in the open the pump motor unit must be protected from exposure to intensive sunlight e g by attaching a protective roof Otherwise no special protective devices against the effects of weathering are required NOTICE The maximum permissible loading due to vibrations may not be exceeded See Chapter 3 1 Mechanical data Section Vibrations Pg 8 for information on this topic 610 44436 40 000 14 28 The drive motors of the pump motor units have the following design e with degree of protection IP55 see rating plate e with tropicalized insulation Installation conditions The pump motor unit must be installed as follows e on level surfaces e ata maximum height of 1000 m 3 280 ft above sea level When installing at an altitude of more than 1 000 m 3 280 ft above sea level first inquire with the Service Department Minimum distan
7. 0 Transport and Handling 4 Transport and Handling Tipping or falling can lead to crushing broken bones etc Sharp edges can cause cuts Wear personal safety equipment gloves safety shoes and protective helmet during transport Danger from tipping or falling loads Prior to transport and handling make sure that all components are securely assembled and secure or remove all components the fasteners of which have been loosened Manual handling Danger from lifting heavy loads Manual handling of the unit is only permitted within the following limits max 30 kg max 66 Ibs for men max 10 kg max 22 Ibs for women e max 5 kg max 11 lbs for pregnant women For the weight of the pump motor unit see Chapter 3 1 Mechanical data Section Weight Pg 8 For weights above the given values use suitable lifting appliances and handling equipment Handling by means of lifting equipment Danger from tipping or falling loads When transporting with lifting equipment observe the following basic rules e The lifting capacity of lifting equipment and lifting gear must be at least equal to the unit s weight For the weight of the pump motor unit see Chapter 3 1 Mechanical data Section Weight Pg 8 The pump motor unit must be secured so that it cannot tip or fall e Do not stand or walk under suspended loads 610 44436 40 000 The transport must be carried out in different ways
8. 0 C 320 F can occur on the surface of the pump motor unit The pump motor unit must be installed so that accidental touch of its surface is not possible Cover the pump motor unit with a suitable touch protection e g perforated plate cover or wire cover Danger of injuries from flying parts Select installation so that parts that are thrown out through the grate if the external fan breaks cannot hit persons Danger of tripping and falling Make sure the unit does not present a danger of tripping Lay cables and pipes so that they cannot be reached during operation recessed in floor in ducts on the wall etc Danger of overheating due to hot surface of pump motor unit High temperatures can occur on the surface of the pump motor unit Temperature sensitive parts such as lines or electronic components may not come into contact with the surface of the pump motor unit 610 44436 40 000 Installation The pump motor unit is ready to connect on delivery However if the time from delivery to commissioning of the pump motor unit exceeds a certain period the lubrication of the rolling bearings must be renewed See Chapter 8 2 Storage conditions Section Lubrication of rolling bearings after longer storage Pg 23 for information on this topic Carry out the following work to install the pump motor unit e Installation and securing e Attachment of the included loose muffler if necessary
9. 6 8 The following information for electrical connection applies to all terminal board connections with the exception of terminal strips Tightening torques for electrical connections Thread Nm ft Ibs M4 0 8 1 2 0 59 0 89 M5 1 8 2 5 1 33 1 84 Especially for metal and plastic threaded cable glands and pipe unions the following values apply Tightening torques for metal threaded glands unions Thread Nm ft Ibs M12x1 5 4 6 2 95 4 43 M16x1 5 5 7 5 3 69 5 53 M25x1 5 6 9 4 43 6 64 M32x1 5 8 12 5 9 8 85 M40x1 5 610 44436 40 000 10 28 Gardner Denver Deutschland GmbH 3 2 See rating plate 3 3 Temperatures Electrical data Operating conditions Pressures Technical Data Min inlet pressure See rating plate Max discharge pressure during compressor operation See rating plate Temperature of pumped gases max permissible temperature 40 C 104 F Nominal value 15 C I 59 F Pump motor units for higher fluid temperatures on request Max permissible pressure in pump motor unit 2 5 bar abs 36 2 psia At this pressure the operation of the pump motor unit may be considerably impaired Provide a corresponding protective device e g pressure relief valve if necessary Ambient temperature standard design max permissible temperature 40 C 104 F min permissible temperature 15 C 5 F Nominal valu
10. Edition 04 2012 610 44436 40 000 Operating Instructions G BH7 9 G Serie G Series Seitenkanal Side Channel Original operating instructions English Elmo Rietschle A Gardner Denver Product 2BH72 2BH73 2BH74 2BH75 2BH76 Contents Contents 1 Safecare ase Pie esl ae tn ei ch ea ie ee le ei 3 1 1 DEMHON ee ne re Pree Peete er rer reiten 3 1 1 1 Safety alert symb6l 2 e cha ans nein 3 1 12 Signal Words sistance E EEE alah ned alee is 3 1 2 General Safety precautions i c4ciec ened Messe ei ram EER 3 1 3 Residualtisksun a nnsehneielnee nen E E E E EAA Ea aeedeedsedueliecarevedlenacne 6 2 Intended Use es aed aves a EE E EA es cde anaes E EEE A 7 3 Technical Dalai sale aE AE e a SA E a GEEA Tea EENAA 8 SA Mech nicaldata n cur tee a ern E E ER 8 32 El ctrical data s ren gE RE A E E a a 11 3 3 grating C nditi ns i2 cn east a apace deseeebentveneidechaeeesis 11 4 Transport and Handling cs Poss use ee ine 12 5 Installation nee a a a EE a E A FILES EEEIERFEEFSD 13 9 1 Installation ea dh a aa i a 14 5 2 Electrical connection motor s240rsnnennnennnnnnnnnnensnnnnnnnnnnnnnnnnnnnnnnnnnnennnnennnnnn nen 16 5 3 Connecting pipes hoses VACUUM pump compressorf uuussssennesssnnnnnennnnnnnnnnnnnnnnnnnn nennen 18 5 3 1 Inlet connection siriani nennen ande anna nn catacgneses 19 5 3 2 Discharge connection erssesennnnesnennnnnnennnnnnn
11. Have you read the safety precautions in Chapter 1 Safety Pg 3 f Otherwise you many not carry out any work with or on the pump motor unit Danger of rusting due to collection of condensed water in drive motor area On drive motors with closed condensed water openings Remove closures occasionally to allow any water which has collected to drain off Danger of bearing damage Heavy mechanical impacts must be avoided during operating and while at a standstill Prior to shut down or longer standstill proceed as follows Switch off the pump motor unit Close shut off device in inlet and pressure line if installed Disconnect pump motor unit from power supply Release pressure When doing so open pipes hoses slowly and carefully so that the vacuum or gauge pressure in the pump motor unit can be released Remove pipes hoses Gardner Denver Deutschland GmbH Servicing e Provide mufflers on inlet and discharge side with sealing plugs 8 2 Storage conditions To prevent standstill damage during storage the environment must provide the following conditions e dry e dust free e low vibration effective value of vibration speed Ver 2 8 mm s e Ambient temperature max 40 C 104 F Danger of overheating due to high temperature When storing in an environment with a temperature of over 40 C 104 F the winding may be damaged and the grease change interval may be shortened Lu
12. The electrical connection must be carried out as follows e The electrical connection must be permanently safe e There may be no protruding wire ends e Clearance between bare live parts and between bare live parts and ground 2 5 5 mm at a nominal voltage of Un lt 690V Gardner Denver Deutschland GmbH e For the tightening torques for terminal board connections except terminal strips see Chapter 3 1 Mechanical data Section Tightening torques for screw connections Pg 10 e For terminals with clamping straps e g as per DIN 46282 the conductors must be inserted so that approximately the same clamping height results on both sides of the bar Individual conductors must therefore be bent into a U shape or connected with a cable lug DIN 46234 This also applies to e the protective conductor e the outer ground conductor Both conductors can be recognized from their color green yellow A DANGER Electrical danger The terminal box must be free from e humidity Terminal box cover and cable entries must be tightly closed so as to make them dustproof and waterproof Check for tightness at regular intervals A DANGER Electrical danger Clearance between bare live parts and between bare live parts and ground at least 5 5 mm at a nominal voltage of Un lt 690V There may be no protruding wire ends For motor overload protection e Use motor circuit breakers e
13. This must be adjusted to the specified nominal current see rating plate A DANGER Electrical danger There is danger of an electrical shock when a defective pump motor unit is touched Mount motor circuit breaker Have electrical equipment checked regularly by an electrician Gardner Denver Deutschland GmbH 17 28 Installation Interference immunity of drive motor For drive motors with integrated sensors the operator must provide for a sufficient interference immunity itself Select a suitable sensor signal cable e g with screening connection as for a motor power supply cable and analyzing unit Operation with frequency converter With a power supply by external frequency converters the following must be observed e High frequency current and voltage harmonics in the motor supply cables can lead to emitted electromagnetic interference This is dependent on the converter design model manufacturer interference suppression measures e Be sure to observe the EMC notes of the converter manufacturer e Use screened power supply cables if necessary For optimal screening the screen must be conductively connected over a large area to the metal terminal box of the drive motor with a screwed metal gland e In the case of drive motors with integrated sensors e g PTC thermistors interference voltage can occur on the sensor cable depending on the converter model e Limit speed see specification
14. ading field CAUTION NOTICE NOTE They follow a certain hierarchy and indicate in conjunction with the safety alert symbol see Chapter 1 1 1 the seriousness of the danger and the type of warning See the following explanations A DANGER Danger of injuries Indicates an imminently hazardous situation that will result in death or serious injury if the corresponding measures are not taken Danger of injuries Indicates a potentially hazardous situation that could result in death or serious injury if the corresponding measures are not taken Danger of injuries Indicates a potentially hazardous situation that may result in minor or moderate injury if the corresponding measures are not taken Gardner Denver Deutschland GmbH 3 28 Safety Danger of damage Indicates a potentially hazardous situation that may result in property damage if the corresponding measures are not taken Indicates a possible disadvantage i e undesirable conditions or consequences can occur if the corresponding measures are not taken Indicates a possible advantage if the corresponding measures are taken tip 1 2 General safety precautions Improper use of the unit can result in serious or even fatal injuries These operating instructions must have been read completely and understood before beginning any work with or at the pump motor unit must be strictly observed must be available at the operatin
15. base of the pump motor unit with mounting holes e Select the suitable screw type e Screw the base of the pump motor unit to the surface with the screws When doing so be sure to provide all mounting holes with screws Vertical installation on the vacuum pump compressor cover cover installation With vertical installation of the pump motor unit with the vacuum pump compressor cover facing downward rubber feet must be used Proceed as follows e The rubber feet are available as accessories They are delivered in a set of 3 On the upper section they are provided with stud bolts and on the lower section with a threaded hole e Mount the rubber feet on the pump motor unit Screw the stud bolts of the rubber feed into the holes on the face of the vacuum pump compressor cover and tighten them e Mount the pump motor unit together with the rubber feet on the installation surface Select suitable mounting elements for the threaded hole Screw the rubber feet to the surface or foundation via the threaded hole Vertical mounting on the wall With vertical mounting of the pump motor unit on the wall the pump motor unit is mounted via the holes in the base Proceed as follows e Position the pump motor unit as close to the wall as possible on a stable supporting plate with sufficient load bearing capacity The pump motor unit must be positioned with the base toward the wall e Provide the base of the pump motor unit wi
16. bly reduced by the mufflers See Fig 2 to Fig 4 Pg 18 ff e Additional mufflers available as an option The additional mufflers enable a further noise reduction They may only be used with free entry and exit of gases i e with direct intake out of or direct feeding into the atmosphere without piping e Noise protection hoods available as an option Noise protection hoods are suitable for installation in rooms and in the open They reduce both the total sound pressure level and tonal components that are perceived as particularly annoying Installation variants axis position Basically when installing the pump motor unit the following variants are possible with a different axis position horizontal or vertical e Horizontal installation e Vertical installation on the vacuum pump compressor cover cover installation e Vertical mounting on the wall Basically all variants are possible with all models However a distinction must be made between a design with and a design without a condensed water opening for the axis position e The pump motor units without a condensed water opening can be installed and secured in any axis position e The pump motor unit with a condensed water opening may only be installed and secured horizontally with the base at the bottom Horizontal installation Screw the base of the pump motor unit to the surface with suitable mounting elements Proceed as follows e Provide the
17. brication of rolling bearings after longer storage The new pump motor unit may at first be stored following delivery If the time from deliver to commissioning exceeds the following periods the lubrication of the rolling bearings must be renewed e Under advantageous storage conditions as specified above 4 years e Under disadvantageous storage conditions e g high humidity salty air sandy or dusty air 2 years In these cases open rolling bearings must be relubricated and closed rolling bearings must be completely replaced In this case be sure to inquire with the Service Department In particular exact information with regard to the procedure and grease type are required Improper use of the unit can result in serious or even fatal injuries All maintenance work on the pump motor unit must always be performed by the Service Department Maintenance work on the pump motor unit may only be conducted by the operator itself when the related maintenance manual on hand Inquire with the Service Department Commissioning after longer standstill Before recommissioning after a longer standstill measure the insulation resistance of the drive motor With values lt 1 KQ per volt of nominal voltage the winding must be dried 9 Servicing Improper use of the unit can result in serious or even fatal injuries Have you read the safety precautions in Chapter 1 Safety Pg 3 f Otherwise you many not
18. ce To ensure sufficient cooling of the pump motor unit it is absolutely necessary that the required minimum distances to the fan guard and to the face ofthe vacuum pump compressor cover be maintained See Chapter 3 1 Mechanical data Section Minimum distances Pg 8 The compliance of the specified minimum distance to the face of the vacuum pump compressor cover is especially important when installing on the vacuum pump compressor cover or near a wall To ensure sufficient cooling of the pump motor unit also observe the following e Ventilation screens and openings must remain clear e Discharge air of other units may not be directly sucked in again Noise radiation To reduce the noise radiation the following must be observed e Do not mount pump motor unit on noise conducting or noise radiating parts e g thin walls or sheet metal plates e Provide pump motor unit with sound insulating intermediate layers e g rubber buffers under the base of the pump motor unit if necessary e Install the pump motor unit on a stable foundation or on a rigid mounting surface This provides for smooth low vibration running of the pump motor unit Gardner Denver Deutschland GmbH Installation Components for reducing noise on the pump motor unit e Mufflers included as standard equipment On delivery the pump motor units are equipped with attached mufflers as standard The noise radiation is considera
19. cent energized parts A DANGER Electrical danger Do not open the motor terminal box until absence of electricity has been ensured Danger due to vacuum and gauge pressure sudden escape of fluids skin and eye injuries sudden drawing in of hair and clothing Danger due to escaping fluid Burns Use mounting elements connections lines fittings and containers with sufficient freedom from leaks and strength for the pressures which occur Check the mounting elements connections lines fittings and containers for strength leaks and firm seating at regular intervals 610 44436 40 000 Danger from rotating parts external fan impeller shaft Cutting cutting off of extremities Grasping winding up of hair and clothing Danger due to vacuum and gauge pressure sudden escape of fluids skin and eye injuries sudden drawing in of hair and clothing Danger due to escaping fluid Burns Start up and operation only under the following conditions 4 28 The pump motor unit must be completely assembled When doing so pay particular attention to the following components the vacuum pump compressor cover the muffler on inlet and discharge connections the fan guard The pipes hoses must be connected to inlet and discharge connections Inlet and discharge connections and the connected pipes hoses may not be closed clogged or soiled Check the mounting elements connections of the pipe h
20. depending on the model e Models 2BH72 2BH73 2BH74 single impeller and 2BH75 single impeller Manual handling e Models 2BH74 two impeller 2BH75 two impeller and 2BH76 Transport with crane hooked onto eye bolt 1 attachment point For transport with a crane the pump motor unit can be hooked onto the crane hook as follows e directly on the eye bolt or possibly e with lifting belts Eye bolt All models are equipped with an eye bolt The eye bolt is mounted on the vacuum pump compressor housing In case of possible removal and remounting of the eye bolt it must be ensured that the eye level is positioned exactly in the axis direction of the pump motor unit Lay shims under the eye bolt if necessary The eye bolt must be firmly tightened Loads laterally to the ring level are not permissible Heavy impact loads during transport must be avoided 12 28 Gardner Denver Deutschland GmbH 5 Installation Improper use of the unit can result in serious or even fatal injuries Have you read the safety precautions in Chapter 1 Safety pg 3 f Otherwise you many not carry out any work with or on the pump motor unit A DANGER Danger from missing view into area of pump motor unit When operating the control elements without a view into the area of the pump motor unit there is a danger that the pump motor unit will be switched on while other persons are still performing work on it Ext
21. details specified are true and complete and that 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 Companylinstitute nc sssusessessemnsnseeeeenmunsseeeeenmmnsssersseiueeseeesentmensseeeeenneseee Name position Phone Street Fax Post code city Country Stamp Date signature Gardner Denver Deutschland GmbH 610 44436 40 000 P O box 1510 Phone 49 7622 392 0 E mail er de gardnerdenver com Edition 04 2012 97605 Bad Neustadt Fax 49 7622 392 300 Internet www gd elmorietschle com English Gardner Denver Deutschland GmbH 27128 610 44436 40 000 Elmo Rietschle A Gardner Denver Product Gardner enver Elmo Rietschle is a brand of Gardner Denver s Industrial Products Group and part of Blower Operations
22. e 25 C 77 F Ambient temperatures between 25 C 77 F and 40 C 104 F affect the permissible total pressure difference see Section Permissible total pressure difference At higher temperatures the winding may be damaged and the grease change interval may be shortened 1 For design with frequency converter see separate operating instructions Gardner Denver Deutschland GmbH Permissible total pressure difference The total pressure difference specified on the rating plate only applies under the following conditions e Ambient temperature 25 C 77 F e Inlet temperature temperature of pumped gases at inlet connection 15 C 59 F e Pressure during vacuum pump operation 1 013 mbar 14 7 psia at discharge connection during compressor operation 1 013 mbar 14 7 psia at inlet connection At an ambient temperature of 40 C 104 F the total pressure difference specified on the rating plate must be reduced by 10 If the ambient temperature is between 25 C 77 F and 40 C 104 F then the total pressure difference specified on the rating plate must be reduced linearly to the temperature by between 0 and 10 Installation altitude Max of 1 000 m 3 280 ft above sea level When installing the pump motor unit at an altitude of more than 1 000 m 3 280 ft above sea level first inquire with the Service department 11 28 610 44436 40 00
23. es hoses must be connected to inlet and discharge connections Inlet and discharge connections and the connected pipes hoses may not be closed clogged or soiled Check the mounting elements connections of the pipe hose connections lines fittings and containers for strength leaks and firm seating at regular intervals 610 44436 40 000 20 28 6 1 Preparation Danger from closed connections With closed soiled intake or discharge connections vacuum or gauge pressure results in the pump motor unit This can overheat and damage the drive motor winding Before start up make sure that the inlet and discharge connections are not closed clogged or soiled Before starting up again after a longer standstill Measure the insulation resistance of the motor With values lt 1 KQ per volt of nominal voltage the winding must be dried Measures before start up e If a shut off device is installed in the discharge pipe Make sure that the unit is NOT operated with the shut off device closed e Before starting up the pump motor unit observe the values specified on the rating plate Specifications on the drive motor nominal current apply at a gas entry and ambient temperature of 40 C 104 F e Adjust the motor circuit breaker to the drive motor nominal current Check direction of rotation e The intended rotating direction of the shaft is marked with an arrow on the face of the vacuum pump compresso
24. f higher speeds it may be necessary to inquire with the Service Department as to the maximum speed Gardner Denver Deutschland GmbH Commissioning Danger of hearing damage due to noise radiation For the noise emission of the pump motor unit measured by the manufacturer see Chapter 3 1 Mechanical data Section Noise level Pg 9 However the actual noise emission during operation is highly dependent on the installation and system conditions Conduct a noise measurement in the system during operation after installing the pump motor unit The following measures must be taken by the operator e from 85 dB A Hearing protection must be provided from 90 dB A Mark noise area with a warning sign Wear hearing protection With free entry and exit of gases i e with direct intake out of or direct feeding into the atmosphere without piping attach an 21 28 additional muffle 610 44436 40 000 Operation 6 2 Start up and shut down Start up e Open shut off device in intake discharge pipe e Switch on power supply for drive motor Shut down e Switch off power supply for drive motor e Close shut off device in intake discharge pipe 7 Operation Improper use of the unit can result in serious or even fatal injuries Have you read the safety precautions in Chapter 1 Safety Pg 3 f Otherwise you many not carry out any work with or on the pump motor unit Also be sure to read the safe
25. free entry and exit of gases i e with direct intake out of or direct feeding into the atmosphere without piping the following therefore applies Provide the inlet and discharge connections of the pump motor unit either with additional mufflers or with additional piping of a sufficient length to prevent access to the impeller Gardner Denver Deutschland GmbH Safety Danger of burns from hot surfaces of the pump motor unit and from hot fluids High temperatures of up to approx 160 C 320 F can occur on the surface of the pump motor unit Cover the pump motor unit with a suitable touch protection e g perforated plate cover or wire cover Do not touch during operation Allow to cool after shut down 5 28 610 44436 40 000 Safety 1 3 Residual risks Danger zone Hot surface up to approx 160 C 320 F Hazard Possible burns Protective measures Cover the pump motor unit with a suitable touch protection e g perforated plate cover or wire cover Danger zone Fan guard Hazard Long loose hair can be drawn into external fan through fan guard grate even with fan guard mounted Protective measures Wear hair net Danger zone Missing or defective muffler inlet or discharge connection Hazard Possible serious hearing damage due to emitted noise Protective measures Have missing or defective mufflers replaced Conduct a noise measurement in the system after installin
26. g location of the pump motor unit Improper use of the unit can result in serious or even fatal injuries Only operate the pump motor unit for the purposes indicated under Intended Use with the fluids indicated under Intended Use with the values indicated under Technical Data Improper use of the unit can result in serious or even fatal injuries All work on and with the pump motor unit transport installation operation shut down maintenance disposal may only be carried out by trained reliable expert personnel 610 44436 40 000 Safety When working on the pump motor unit there is a danger of injury e g in the form of cuts cutting off crushing and burns During all work on and with the pump motor unit transport installation operation shut down maintenance disposal wear personal safety equipment safety helmet protective gloves safety shoes Hair and clothing can be pulled into the unit or caught and wound up moving parts Do not wear long loose hair or wide loose clothes Wear a hair net A DANGER Electrical danger Work on electrical installations may be carried out by trained and authorized electricians only A DANGER Electrical danger Before beginning work on the unit or system the following measures must be carried out Deenergize Secure against being switched on again Determine whether deenergized Ground and short circuit Cover or block off adja
27. g the pump motor unit The following measures must be taken by the operator e from 85 dB A Hearing protection must be provided e from 90 dB A Mark noise area with a warning sign Wear hearing protection 610 44436 40 000 Danger zone Environment of pump motor unit Hazard Possible serious hearing damage due to emitted noise Protective measures Conduct a noise measurement in the system during operation after installing the pump motor unit The following measures must be taken by the operator e from 85 dB A Hearing protection must be provided from 90 dB A Mark noise area with a warning sign Wear hearing protection With free entry and exit of gases i e with direct intake out of or direct feeding into the atmosphere without piping attach an additional muffler 6 28 Gardner Denver Deutschland GmbH 2 Intended Use These operating instructions e apply to gas ring vacuum pumps compressors of the G BH7 series models 2BH72 2BH73 2BH74 2BH75 and 2BH76 e contains instructions concerning transport and handling installation commissioning operation shut down storage servicing and disposal of the G BH7 e must be completely read and understood by all operating and servicing personnel before beginning to work with or on the G BH7 e must be strictly observed e must be available at the site of operation of the G BH7 About the operating and servicing pers
28. hree stage design 610 44436 40 000 length to prevent access to the impeller Connections To prevent foreign bodies from entering the unit all connections are sealed off when delivered Do not remove the sealing plugs until immediately before connecting the pipes hoses The following applies for the arrangement of the pipe hose connections The pumped gases are sucked in via the inlet connection see Chapter 5 3 1 Pg 19 and discharged via the discharge connection see Chapter 5 3 2 Pg 19 The rotating direction of the shaft is marked with an arrow on the face of the vacuum pump compressor cover and on the fan guard Fig 1 Pg 2 Item 7 The flow direction of the gases is marked with arrows on both connections Fig 1 Pg 2 Item 6 Danger from interchanging inlet and pressure line Interchanged inlet and pressure lines can lead to damage to the pump motor unit and the system and as a result of this to serious injuries Make sure that the inlet and pressure line cannot be confused when connecting Look for the clear marking with the flow direction arrow on the inlet and discharge connections 18 28 Gardner Denver Deutschland GmbH Danger due to vacuum and gauge pressure Danger due to escaping fluid During operation connected pipes and vessels are vacuumized or pressurized Use only mounting elements connections lines fittings and containers with sufficient freedom from lea
29. ks and strength for the pressures which occur Make sure that the mounting elements and connections are mounted sufficiently firmly and leak free If the pumped gases are passed on the discharge side in a closed pipe system then it must be ensured that the pipe system is adapted to the maximum discharge pressure See Chapter 3 3 Operating conditions Section Pressures Pg 11 Connect a pressure relief valve upstream if necessary NOTICE Attach pipes hoses free of mechanical tensions Support the weight of the pipes hoses Gardner Denver Deutschland GmbH Installation 5 3 1 The inlet connection with the related muffler Fig 1 Pg 2 Item 3 is marked with an arrow pointing into the vacuum pump compressor Connect the inlet pipe here The pumped gases are sucked in via this Procedure see Chapter 5 3 3 Inlet connection Danger from solid bodies and impurities in the pump motor unit If solid bodies penetrate into the pump motor unit blades of the impellers can break and broken pieces can be thrown out Install a filter in the inlet pipe 19 28 Replace filter regularly 5 3 2 Discharge connection The discharge connection with the related muffler Fig 1 Pg 2 Item 4 is marked with an arrow pointing out of the vacuum pump compressor Connect the discharge pipe here The pumped gases are discharged via this Procedure see Chapter 5 3 3 5 3 3 Procedure when connecting pipes h
30. mply 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 Serial number no BN Reason for sending The unit system L 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 L has come into contact with hazardous substances Continue with 5 Information on the contamination _ 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 Hazardous Properties e g toxic inflammable Trade name Chemical designation substance class caustic radioactive Legally binding statement herewith guarantee that the
31. nance manual is at hand rectification by the operator 610 44436 40 000 24 28 Gardner Denver Deutschland GmbH 9 2 Service After sales service Our Service is available for work in particular the installation of spare parts as well as maintenance and repair work not described in these operating instruction A list of spare parts with an exploded drawing is available on the Internet at www gd elmorietschle com Observe the following when returning pump motor unit e The pump motor unit must be delivered complete i e not dismantled e The pump motor unit may not present a danger to the workshop personnel If the pump motor unit has come into contact with dangerous substances then the procedure described in Chapter 9 3 Decontamination and Declaration of Clearance Pg 25 must be used e The original rating plate of the pump motor unit must be properly mounted intact and legible All warranty claims are voided for pump motor units delivered for a damage expertise without the original rating plate or with a destroyed original rating plate e Incase of warranty claims the manufacturer must be informed of the operating conditions operating duration etc and additional detailed information provided on request if necessary 9 3 Decontamination and Declaration of Clearance Danger from flammable caustic or toxic substances To protect the environment and persons the following applies Pump mo
32. nennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nn 19 5 3 3 Procedure when connecting pipes hoses uusnsssssnnnennnennennnnnnennnennennnnnnen nenn 19 6 Commissioning seressnneeneeennnnnnnnnnnnnnennnnnnnnennnnnnnpnnnnnnnrennnnnnpnnnnnnnpennnnnnpnnnnnnnennnnnnnnrnnnnpennnnnnnr nn 20 6 1 Preparation 4444enenennnennnnnnnennnnnnnennnnnnnennennnnernnnnnnnannnnnnernnnnnnnnnnnnnernnnnnsnnnennnnrnnnn namen 20 6 2 Start up and shut down 222440s0anssnnnesnnnnnnnnennnnnnnnnnnnnnnnnnnnennnnnnnnannnnnnr nenne nnnnnnnnernn nenn 22 F Operaatio Massenc nna eE ens coanete needed ans coeyid KEEA ANENA ans SERE EENET ar AKE a SAREE aA 22 8 Shut Down and Longer Standstills nsisscssssssn isa EE aaK ANNARA EARANN KEEA ERETNA 22 8 1 Preparing for shut down or longer standstill 0srs40004200nnnennnnensnnnnnnennnnnennnnnnn nen 22 8 2 Storage Conditions A ERRA 23 9 SEIVICIN Gienia e i a a a a a a a tere 23 91 Rep irsitroublesh ting 2 42 else dank 24 9 2 Service After sales servVice uu nunsHseeinaniieanraneikensiemnaenleainunnken 25 9 3 Decontamination and Declaration of Clearance 24240220044n0annnnnensnnnnnnnnnnn nennen 25 10 Disposal mcire rna E A E E BERPEFTFERSCEETOFEUFFRUPEREEPPRSHEFEGBERPEREREEREE 25 11 Explosion Protected DESIGN u ne na el sn le 25 EU declaration of conformity 2 1 s 2er 26 Form for statement on Safely u urun nella als elle
33. of the winding and the bearings can be exceeded Consultation with the Service Department is required for operating conditions of this kind When operating the G BH7 the limits listed in Chapter 3 Technical Data Pg 8 ff must always be complied with Foreseeable Misuse It is prohibited e to use the G BH7 in applications other than industrial applications unless the necessary protection is provided on the system e g guards suitable for children s fingers to use the device in rooms in which explosive gases can occur if the G BH7 is not expressly intended for this purpose e to extract to deliver and to compress explosive flammable corrosive or toxic fluids unless the G BH7 is specifically designed for this purpose e to operate the G BH7 with values other than those specified in Chapter 3 Technical Data Pg 8 ff Any unauthorized modifications of the G BH7 are prohibited for safety reasons The operator is only permitted to perform the maintenance and service work described in these operating instructions Any maintenance and service work which goes beyond this many only be performed by companies authorized by the manufacturer inquire with the Service Department 610 44436 40 000 Technical Data 3 Technical Data 3 1 Mechanical data Minimum distances Minimum distance to fan guard for sucking in
34. onnel of the G BH7 e These persons must be trained and authorized for the work to be carried out e Work on electrical installations may be carried out by trained and authorized electricians only The G BH7s e are pump motor units for generating vacuum or gauge pressure e are used to extract pump and compress the following gases Air Non flammable non aggressive non toxic and non explosive gases or gas air mixtures For differing gases gas air mixtures inquire with the Service Department e are equipped with one of the following kind of drive motors 3 phase AC drive motor with a standard or explosion protected design Single phase AC drive motor These operating instructions apply only to pump motor units with a standard design For the explosion protected design amp see the separate operating instructions e exist in the following designs single impeller single stage two impeller two stage three impeller three stage Increased pressure differences can be achieved with the two impeller and three impeller pump motor units e are intended for industrial applications Gardner Denver Deutschland GmbH 7 28 Intended Use e are primarily intended for higher pressure conditions e are designed for continuous operation With increased switch on frequency at equal intervals of approx 5x per hour or increased gas entry and ambient temperature the over temperature
35. ose connections lines fittings and containers for strength leaks and firm seating at regular intervals Gardner Denver Deutschland GmbH Danger from rotating parts external fan impeller shaft Cutting cutting off of extremities Grasping winding up of hair and clothing Danger due to vacuum and gauge pressure sudden escape of fluids skin and eye injuries sudden drawing in of hair and clothing Danger due to escaping fluid Burns Before beginning work on the pump motor unit take the following measures e Shut down pump motor unit and secure against being switched on again Attach a sign on the system controller and on the control elements for the pump motor unit DANGER Maintenance work on vacuum pump compressor Do not switch on Wait for pump motor unit to come toa complete stop Observe run on time Allow pump motor unit to cool Shut off lines Release pressure Make sure that no vacuum or gauge pressure is present in the lines tanks to be opened Make sure that no fluids can escape Danger from rotating impeller Cutting cutting off of extremities The rotating impeller is accessible with the inlet and discharge connections open Do not reach into the unit through open connections Do not insert objects into the unit through the openings Danger from rotating impeller Cutting cutting off of extremities The rotating impeller is accessible with the inlet and discharge connections open With
36. oses Attach the pipes hoses to the unit as described in the following The pipes hoses are connected differently to inlet and discharge connections depending on the type of line pipe or hose e Muffler with inside threads The pipe is screwed directly into the muffler e Hose connection Screw hose flange available as an accessory onto the muffler Push the hose onto the hose flange and secure it with a hose clamp See Chapter 3 1 Mechanical data Section Tightening torques for screw connections Pg 10 for information on this topic 610 44436 40 000 Commissioning 6 Commissioning Improper use of the unit can result in serious or even fatal injuries Have you read the safety precautions in Chapter 1 Safety Pg 3 f Otherwise you many not carry out any work with or on the pump motor unit Danger from rotating parts external fan impeller shaft Cutting cutting off of extremities Grasping winding up of hair and clothing Danger due to vacuum and gauge pressure sudden escape of fluids skin and eye injuries sudden drawing in of hair and clothing Danger due to escaping fluid Burns Start up and operation only under the following conditions e The pump motor unit must be completely assembled When doing so pay particular attention to the following components the vacuum pump compressor cover the muffler on inlet and discharge connections the fan guard The pip
37. pecification motor is on rating plate p Clean filters mufflers and connection pipes Service switched on IP g if necessary Power consumption Compressor is jammed See fault Motor does not start humming Service too high noise with cause Impeller is jammed Pump motor Leak in system Seal leak in the system Operator unit does not Tre Sa 7 a generate any Wrong direction of rotation Reverse direction of rotation by Electrician or generates interchanging two connecting leads insufficient Incorrect frequency on Correct frequency Electrician pressure pump motor units with difference frequency converter Shaft seal defective Replace shaft seal Service Different density of pumped Take conversion of pressure values into Service gas account Inquire with Service Department Change in blade profile due Clean impeller check for wear and replace Service to soiling if necessary Abnormal flow Flow speed too high Clean pipes Use pipe with larger cross Operator noises section if necessary Muffler soiled Clean muffler inserts check condition and Service replace if necessary Abnormal Ball bearing lacking grease Regrease or replace ball bearing Service running noise or defective Compressor Seals on muffler defective Check muffler seals and replace if Service leaky necessary Seals in motor area Check motor seals and replace if Service defective necessary Only when the mainte
38. r cover and on the fan guard Fig 1 Pg 2 Item 7 e The flow direction is marked with arrows on the inlet and discharge connections Fig 1 Pg 2 Item 6 e Make sure the pipes hoses on the inlet and discharge connections are properly connected e Switch the pump motor unit on briefly and then off again e Compare the actual rotating direction of the external fan with the intended shaft rotating direction indicated with the arrows shortly before the pump motor unit comes to a standstill e If necessary reverse the direction of rotation of the motor Gardner Denver Deutschland GmbH Danger due to rotating parts Danger due to vacuum and gauge pressure Danger due to escaping fluid Test runs may also only be conducted with the pump motor unit completely mounted A DANGER Electrical danger The electrical connection may be carried out by trained and authorized electricians only A DANGER Electrical danger Before beginning work on the unit or system the following measures must be carried out Deenergize Secure against being switched on again Determine whether deenergized Ground and short circuit Cover or block off adjacent energized parts Check operating speeds Observe the operating speed specified on the rating plate This may not be exceeded as otherwise the noise radiation vibration behavior grease consumption duration and bearing change interval worsen To prevent damage as a result o
39. r een ca elle er Alf Saas all Teer 2BH7320 0 5 81 124 146 223 2BH7420 0 5 70 70 2BH7420 0 2 89 80 160 144 2BH7520 0 2 70 2BH7420 0 5 121 117 218 211 2BH7520 0 7 71 2BH7520 0 2 89 102 160 184 2BH7620 0 3 71 2BH7520 0 7 125 110 225 198 2BH7620 0 5 72 2BH7620 0 3 124 126 223 227 Three impeller design 2BH7620 0 5 124 128 223 230 Model TAN STL IST Ce Three impeller design sound pressure level L dB A Model Temperature increase 50 Hz 60 Hz AT K AS F 2BH7530 0 8 67 73 REPEC approx 2BH7630 0 6 77 80 Aa BL aA eai 2BH7530 0 8 120 120 216 216 2BH7630 0 6 120 120 216 216 Gardner Denver Deutschland GmbH 9 28 610 44436 40 000 Technical Data Tightening torques for screw connections Tightening torques for plastic The following values apply if no other information threaded is available glands unions With non electrical connections property classes Thread Nm ft Ibs of 8 8 and 8 or higher as per ISO 898 1 are ass med M12x1 5 2 3 5 1 48 2 58 Tightening torques for MOSES 304 Seles non electrical M25x1 5 4 5 2 95 3 69 connections oe 5 7 3 69 5 16 Thread Nm ft Ibs M40x1 5 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 5
40. reme injuries are possible Provide control elements at a location with a view of the pump motor unit A DANGER Electrical danger The pump motor unit must be installed so that the electrical device cannot be damaged by external influences In particular the feed pipes must be securely routed e g in cable ducts in the floor etc Danger from balance damage caused by vibration Vibrating environments can cause balance damage Install the pump motor unit on a solid foundation or on a solid mounting surface Check screw glands unions for mounting the pump motor unit on the mounting surface regularly for strength and firm seating Danger from crushing due to pump motor unit tipping over Wear personal safety equipment protective gloves and safety shoes Handle the unit with the appropriate care Install the pump motor unit on a solid foundation or on a solid mounting surface Check screw glands unions for mounting the pump motor unit on the mounting surface regularly for strength Gardner Denver Deutschland GmbH 13 28 Installation Danger of fire from flammable substances The pump motor unit must never come into contact with flammable substances For exact information on the temperature increase see Chapter 3 1 Mechanical data Section Temperature increase Pg 9 Danger of burns from hot surfaces of the pump motor unit and from hot fluids High temperatures of up to approx 16
41. s on the rating plate Pump motor units with a UL approbation may not be operated on frequency converters in the US without testing by a suitable test agency 610 44436 40 000 Installation 5 3 Connecting pipes hoses vacuum pump compressor Mufflers The pump motor units are delivered with mufflers indicated with arrows in the following illustrations for the inlet and discharge connections as standard equipment With single impeller pump motor units the mufflers are already mounted on delivery Danger from rotating impeller Cutting cutting off of extremities The rotating impeller is accessible with the inlet and discharge connections open With free entry and exit of gases i e with direct intake out of or direct feeding into the atmosphere without piping the following therefore applies Provide the inlet and discharge connections of the pump motor unit either with additional mufflers or with additional piping of a sufficient Fig 2 2BH721 2BH761 single impeller pump motor units With two impeller and three impeller pump motor units the inlet side muffler is included loose for packaging related reasons and must be mounted by the operator Fig 3 2BH722 2BH762 two impeller pump motor units with two stage design Fig 4 2BH723 2BH763 three impeller pump motor units with t
42. th mounting holes e Select the suitable screw type e Screw the base of the pump motor unit to the wall with the screws When doing so be sure to provide all mounting holes with screws e Remove the supporting plate Eye bolt Following installation the eye bolt must be either firmly tightened or removed Gardner Denver Deutschland GmbH 15 28 610 44436 40 000 Installation 5 2 Electrical connection motor A DANGER Electrical danger Improper behavior can result in severe injuries and material damage A DANGER Electrical danger The electrical connection may be carried out by trained and authorized electricians only A DANGER Electrical danger Before beginning work on the unit or system the following measures must be carried out Deenergize Secure against being switched on again Determine whether deenergized Ground and short circuit Cover or block off adjacent energized parts Regulations The electrical connection must be carried out as follows e according to the applicable national and local laws and regulations e according to the applicable system dependent prescriptions and requirements e according to the applicable regulations of the utility company Electrical power supply Observe the rating plate It is imperative that the operating conditions correspond to the data given on the rating plate Deviations permissible without reduc
43. tion in performance e 5 voltage deviation e 2 frequency deviation 610 44436 40 000 16 28 Connection to drive motor terminal box Open the required cable entry openings on the terminal box Here the following two cases are differentiated e The cable entry opening is prefabricated and provided with a sealing plug e Screw out sealing plug OR e The cable entry opening is closed off with a casting skin only on pump motor units with drive motor axis heights of 100 to 160 in standard design e Break out casting skin using a suitable tool For example use a metal pin with a corresponding diameter or a chisel and hammer When pounding out the casting skin on the cable entry openings in the terminal box the terminal box or its parts can be damaged e g terminal board cable connections Proceed with suitable caution and precision when doing so Prevent flash formation Mount cable glands on the terminal box Proceed as follows e Select one cable gland in each case which is suitable for the cable diameter e Insert this cable gland in the opening of the terminal box Use a reducer if necessary e Screw on the cable gland so that no moisture dirt etc can penetrate into the terminal box Carry out the connection and the arrangement of the jumpers in accordance with the circuit diagram in the terminal box Connect the protective conductor to the terminal with the following symbol
44. tor unit which have come into contact with dangerous substances must always be decontaminated before being passed on to a workshop To provide proof that the decontamination was carried out a so called declaration of clearance must be included with the pump motor unit on delivery to the workshop The form required for this purpose is available from the Service Department Gardner Denver Deutschland GmbH 25 28 Disposal 10 Disposal Have the entire pump motor unit scrapped by a suitable disposal company No special measures are required when doing so For additional information on disposing of the unit ask the Service Department 11 Explosion Protected Design An additional set of operating instructions with supplementary or specific information is provided with these pump motor units 610 44436 40 000 EU declaration of conformity Gardner enver EU declaration of conformity Manufacturer Gardner Denver Deutschland GmbH Industriestra e 26 97616 Bad Neustadt Germany Representative for the com Holger Krause pilation of technical docu Industriestra e 26 ments 97616 Bad Neustadt Germany Description and identification Vacuum pumps Compressors Side channel blower of the machine Series G BH7 Types 2BH72 2BH73 2BH74 2BH75 2BH76 The machine described above meets the following applicable Community harmonisation legislation 2006 42 EC European
45. ty precautions in Chapter 6 Commissioning Pg 20 Starting up and shutting down See Chapter 6 Commissioning Sub Chapter 6 2 Start up and shut down Pg 22 Also be sure to observe the following important notes especially for operation Danger of burns from hot surfaces of the pump motor unit and from hot fluids High temperatures of up to approx 160 C 320 F can occur on the surface of the pump motor unit Do not touch during operation Allow to cool after shut down Danger of overheating due to hot surface of pump motor unit High temperatures of up to approx 160 C 320 F can occur on the surface of the pump motor unit Temperature sensitive parts such as lines or electronic components may not come into contact with the surface of the pump motor unit Danger of overheating During operation the standstill heating may if installed not be switched on 610 44436 40 000 22 28 8 1 Danger of rusting due to collection of condensed water in drive motor area On drive motors with closed condensed water openings Remove closures occasionally to allow any water which has collected to drain off Danger of bearing damage Heavy mechanical impacts must be avoided during operating and while at a standstill 8 Shut Down and Longer Standstills Preparing for shut down or longer standstill Improper use of the unit can result in serious or even fatal injuries
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