operating instruction
Contents
1. 1 4 Technical Data Model Description Measure RSVP 15 RSVP 30 RSVP 60 RSVP 90 Free Air Pumping m h 19 38 76 114 Pumping Speed m h 15 30 60 90 Ultimate remaining pressure Gas ballast closed mbar 4x10 25x10 2 5x10 4 107 Gas ballast open mbar 8x 107 6 5 x 10 6 5 x 10 8x 107 Ultimate working pressure Gas ballast closed mbar S4x10 54x10 lt 4x10 lt 4x10 Gas ballast open mbar lt 8 10 lt 6 5 10 lt 6 5x10 lt 8x10 AOV TEN 220V 380V 220V 380V 220V 380V Incoming voltage 50Hz 220V 380V 3 PH 3 PH 3 PH 3 PH Electric motor power kW 0 55 1 1 2 2 3 2 Nominal speed rpm min 1500 1500 1500 1500 Noise level DB A 58 60 66 68 Quantity of oil 1 1 2 2 8 4 1 Recommended N62 N62 N62 N62 Tolerance of ambient temperature 2G 12 40 12 40 12 40 12 40 I i Cutout NW 25 NW 40 NW 40 NW 50 nput Jutput type NW 25 NW 40 NW 40 NW 40 460 L x 510 L x 615 L x 755 L x Dimensions mm 172 W 242 W 242 W 242 W x 290 H x 365 H x 365 H x 450 H Weight kg 26 65 70 98 Theoretical pumping speed Pumping speed in working media measured at specific laboratory conditions gas pressure temperature etc This speed is variable depending on the real operation process Lowest values of pressure with without gas ballast which can be obtained at specific laboratory conditions Operational pressure values with without g2. has the pump been used yes no what type of pump oil liquid has been used is the pump free from potentially harmful substances yes goto Section 5 no goto Section 4 4 Process related contamination of vacuum pump toxic yes no corrosive yes no explosive yes no biological hazard yes no radioactive yes no other harmful substances yes no Please list all substances gases and by products which may have come into contact with the pump Trade name Chemical name Dangerous material Measures if spillage First aid in case of Product name or symbol class human contact Manufacturer Sem 5 Declaration Undersigned hereby declare that the information supplied on this form is complete and accurate The dispatch of the contaminated vacuum pump will be in accordance with the appropriate regulations covering packaging transportation and labeling of dangerous substances Name of organization or company Address Post code Tel Fax Name Job title Date Legally binding signature company stamp MANUFACTURER VACUUM EL SYSTEM LTD 1 Yambolen Str 8600 Yambol Bulgaria www vacuumsys com
3. Before beginning with any work on wiring ensure that mains supply for the pump is off e Electrical connections must be done by a qualified electrician in accordance with the acting guidelines gt gt RSVP pumps are supplied without accessories for electrical connection They must be connected via the appropriate cable and a suitable motor protection switch Set the switch in accordance with the rating on the motor nameplate Page 13 Fig 7 Connection diagram for a 3 phase motor e The pump is connected through a 4 wire cable three wires are for the phase leads R S and T and the fourth is the Neutral lead connected to the bolt marked with sign Fig 8 Connection diagram of a single phase motor Refers only to RSVP 15 pumps with a single phase motor The pump is connected through a 3 wire cable two leads are connected to the terminals of the box and the third protective lead is connected to the bolt marked with sign e After connecting the motor and after every time you alter the wiring check the direction of rotation To do so briefly switch on the motor and check whether a suitable cover e g a blank flange is sucked on at the intake port If not interchange the two phase leads of the connection Observe the direction arrow on the coupling housing 3 5 Start up Each time before starting up check the oil level For pumps with 3 phase motors check the direction of rotation before start
4. N VACUUM DIN EN ISO ig EL SYSTEM 9001 2000 Oil Rotary Vane Single Stage Vacuum Pumps Types RSVP 15 RSVP 30 RSVP 60 RSVP 90 OPERATING INSTRUCTIONS CONTENTS Description Function Supplied Equipment Transportation Technical Data Vacuum Safety Vacuum Pumps Vacuum System Hazards Hazardous Overpressure Pump Oil Hazards Operation Unpacking of the pump Installation Connection to the System Electrical Connection Start up Application Areas Operation Pumping of Non condensable Gases Pumping of Condensable Gases and Vapours Operating Temperature Switching off Shutdown Shut down through Monitoring Components Failure of the Control System or the Mains Power Maintenance Checking the Oil Level Checking the Condition of N62 HE 200 or Shell Corena V Oils Oil change Cleaning the Dirt Trap Storing the Pump Maintenance Plan Troubleshooting Repair in Authorized Service Spare Parts Warranty Conditions Clients Service Test Report EC Declaration of Conformity Declaration of Contamination of Vacuum Pumps Page 21 21 22 22 23 24 25 Page 3 Indications Warning Indicates procedures that must be strictly observed to prevent hazards to persons Caution Indicates procedures that must strictly be observed to prevent damage to or destruction of the equipment We recommend that you carefully read this user s manual before you begin operation of RSVP vacuum pump We do n
5. and gases as well as in cases when an attempt from third persons or companies has been made to repair the malfunction Limitation of liabilities Liabilities are limited to repair and renovation or replacement of the pump at the choice of Vacuum El System 9 Clients Service Each time when you address us in order to get service maintenance or advise please provide information about the model the pump serial number and the date of purchase Please refer to the seller s invoice or the information plate attached to the pump N VACUUM 7 EL SYSTEM Page 23 Test Report DIN EN ISO 9001 2000 No 1 20 01 2004 1 Product Name RSVP 15 2 Technical parameters ID No 000595 Ultimate operational pressure without gas ibar lt 4x102 3 8x10 ballast Ultimate operational pressure with gas bus lt 8x10 7 5x 107 ballast At ambient temperature Test technician eee eee eene eene St Stoilov Metrologist cccccccccccccccccees T Hristov Page 24 N VACUUM 7 EL SYSTEM EC Declaration of Conformity According to Machinery Directive 98 37 EC Annex II A Manufacturer Vacuum El System Ltd Address 1 Yambolen Str 8600 Yambol Bulgaria Authorised Representative Vacuum El Sys Kft Address 2040 Buda rs Fodros u 66A Hungary We herewith declare that the following products complies with the basic safety and health requirements of the EC Directive
6. by design type and versions which are brought into circulation by us In case of alteration of any product not agreed upon by us this declaration will be void Description of the products Rotary vane pump Single and two stage Type RTVP RTVP 16 A RTVP 30 A RTVP 60 A RTVP 16 AC RTVP 30 AC RTVP 60 AC Type RSVP RSVP 15 RSVP 30 RSVP 60 RSVP 90 Type RV RV 15 RV 30 RV 60 RV 90 Applicable EU Directives Machine Directive 98 37 EC Low Voltage Directive 73 23 EEC Applied harmonised standards EN 292 1 1991 EN 292 2 1991 EN 1012 2 1996 Pr EN ISO 2151 2004 EN 60 204 1993 Yambol January 5 2004 Buda rs January 5 2004 Georgi Komitov Director Gabor Kirov Director Vacuum El System Ltd Vacuum El Sys Kft Page 25 Declaration of Contamination of Vacuum Pumps The repair and or service of vacuum pumps will only be carried out if a correctly completed declaration has been submitted The manufacturer or the authorized service has the right to refuse to accept any pump without a declaration This declaration can only be completed and signed by authorized personnel Vacuum pumps which have been contaminated by biologically active or explosive substances will not be accepted without written evidence of decontamination 1 Description of the vacuum pump model type serial No invoice No 2 Reason for return of the vacuum pump 3 Condition of the vacuum pump
7. exchanged see Operation and Maintenance Page 19 4 5 Maintenance plan e Maintenance before switching on the system Check the oil level change the oil if required Oil N 62 or special and alternative oils Refill only after the pump has been switched off Check the quality of the oil change the oil if required Visually normally light and transparent oil change is required when discolorations increase e Daily maintenance Operate the pump for at least 30 minutes with gas ballast Condensed water is thus removed from the oil Check the oil level change the oil if required Oil N 62 or special and alternative oils Refill only after the pump has been switched off Check the quality of the oil change the oil if required Visually normally light and transparent oil change is required when discolorations increase 6monthly maintenance Check the oil level change the oil if required Chemically according to DIN 51558 Mechanically when dynamic viscosity at 25 C exceeds 300 mPas then an oil change will be required Clean the dirt trap in the intake port change it as required Use suitable cleaning agent and compressed air Observe the safety regulations when using cleaning agents Service Maintenance of the Pump This kind of maintenance is done only in the service specified in the Warranty Card e Annual maintenance at the client s premises Check of the teeth edges on the coupling element for
8. is required by Law and often shipping of such contaminated waste requires permission by the authorities When storing and disposing of used oil please observe the safety regulations that are valid in your country Page 4 1 Description RSVP pumps are oil sealed rotary vane single stage vacuum pumps The number in the type designation RSVP 15 30 60 and 90 indicates the pumping speed in m h They are highly productive at comparatively low weight and low energy cost Application areas are metallurgy mechanical engineering power engineering pharmaceutics medicine equipment chemical and light industry in drying processes through sublimation and distillation vacuum packing vacuum casting filtering in vacuum chambers and ovens production of electric bulbs sterilization vacuum forming precise casting of details RSVP pumps can pump gases and vapours and evacuate vessels or vacuum systems in the fine vacuum range e Pumps are not suitable for pumping greater than atmospheric concentrations of oxygen hazardous gases or extremely aggressive or corrosive media RSVP pumps operate through means of three phase electric motors having different power depending on the pumping speed Caution e RSVP 15 is also available with a single phase motor The drive motor is directly flanged to the pump The pump and motor shafts are directly connected by a flexible coupling The bearing points of the pump module are lubricated sliding bear
9. the sender s address on his account e The pump must be packed in such a way that it will not be damaged during shipping and so that any contaminants are not released from the package 7 Spare Parts In order to ensure normal operation of the vacuum pump and to avoid any hazards relating to its exploitation the manufacturer recommends repair of the pump and replacement of spare parts in an authorized service only The authorized services have all necessary spare parts on stock and are in position to provide fast and competent assistance for the service of the product In case a repair or a service maintenance is needed please observe the instructions for transportation maintenance and repair pointed in sections 1 3 4 5 and 6 Page 22 8 Warranty Conditions We Vacuum EI System Ltd herewith declare that the hereby product is made of quality materials and guarantee normal pump operation provided that all instructions in the hereby User s Guide are observed Warranty period is 24 months from date of purchase Change of mechanical elements including but not limited with oil shaft seals filters and others made with concern to normal service maintenance are not subject of this warranty This warranty will be void in case of pumps damaged by improper transportation or non observance of instructions for operations and storage e g operated at high ambient temperature polluted media corrosive or explosive liquids
10. alve 1 20 has been obtained The oil entrained in the gas is coarsely trapped in the internal demister 1 19 there the oil is also freed of mechanical impurities The gas leaves the pump through the exhaust port 1 4 During compression a controlled amount of air the so called gas ballast can be allowed to enter the pump chamber by opening the gas ballast valve 1 18 The gas ballast stops condensation of vapours in the pump chamber up to the limit of the water vapour tolerance The gas ballast valve is opened and closed by turning the gas ballast knob 1 16 The oil is separated from the gas in the pump in two steps phases First small droplets are coalesced into large drops Then the large drops fall into the oil reservoir as the exhaust gas is diverted by the inner walls of the oil case Thus a low loss of oil is obtained This and the large usable oil reservoir ensure long intervals between oil changes even at high intake pressures The vacuum in the operating media is maintained by an anti suckback valve 1 13 which is controlled via the centrifugal switch 1 3 During operation of the pump the control piston and the valve disc of the anti suckback valve are held at the lower position by their own weight valve open Page 6 When the pump stops because it has been switched off or because of a failure the air pressure pushes the control piston up Thus a connection is provided between the pump chamber the oil reservoir and
11. any damages Oil change Cleaning of the oil level glass Checking of the fan of the pump and the motor as well as the cooling fins on the motor for deposits Measurement of pump parameters e Maintenance at every two years in service Complete disassembly and cleaning of the pump components Checking of the individual components Oil change Change of all gaskets and seals Visual check and measurement of the vanes Measurement of pump parameters and functional check 5 Troubleshooting Page 20 Fault Possible cause Remedy Section Pump does not start Wiring is malfunctioning Check and repair wiring Motor protection switch incorrectly set Set motor protection switch properly 3 4 3 phase motors only Operating voltage does not match motor Replace the fault element service Motor is malfunctioning Replace the motor service Oil temperature is below 12 C Heat the pump and pump oil or use different oil 3 6 3 4 2 Oil is too viscous Change the oil 42 Pump does not reach Measuring technique or gauge is Use correct measuring technique and gauge service ultimate pressure unsuitable External leak Repair the pump service Exhaust valve is malfunctioning Repair the valve service Oil is unsuitable Change the oil degas it if necessary 4 2 Intake line is dirty Clean vacuum lines Pump is too small Check the process data replace the pump if necessary Pumping speed is too Dirt
12. as ballast obtainable in real conditions in accordance with the pump operation instructions All measurements of vacuum pumps parameters are done in compliance with the factory instructions Page 8 Fig 3 Pumping speed characteristics of RSVP vacuum pumps a Ch Fr p y m BEER au mu Rau X A e mE neta BEHIBSIIEP HIEHHIHHUE Are 7 sm Ht yt i m ES ii IT BEIM amp COUT 1 LIU LEAL LIRE LU LU LUE LT BCH Ht IT in 3 ll CCITT LLL TIO 10 1 va 19 t tur ia 10 Pressure mbar Fig 4 Dimensions of RSVP 15 PL Page 10 2 Vacuum Safety 2 1 Vacuum Pumps Vacuum System Hazards Consider all possible chemical reactions within your system Make allowance for abnormal chemical reactions including those which could occur under fault conditions Refer to material data sheets when you assess the potential hazards associated with your process materials Use dilution techniques to minimize reactions with oxidants and flammable materials Use manufacturers recommendations for type of lubricant in your pump when you pump oxidants and pyrophoric materials When you perform safety calculations ensure that the safe working pressure for all components in the system are taken into account Ensure that you incorporate the correct type of pressure relief devices and that they are suitably rated for you
13. below e All work must be carried out by suitably trained personnel Maintenance or repairs Caution carried out incorrectly will affect the life and performance of the pump and may cause problems when filing warranty claims Ifthe pump has been used in ambient air which is much contaminated make sure that the air circulation and the gas ballast valve are not adversely affected e When the RSVP has been pumping corrosive media we recommend that possibly planned maintenance work be carried out immediately in order to prevent corrosion of the pump while it is at standstill Page 17 4 1 Checking the Oil Level During operation of the RSVP the oil level must always remain between the marks min and max at the oil level glass The amount of oil must be checked and topped up as required Fig 9 An oil level indicator scheme RSVP pumps Fill in oil only after the pump has been switched off 4 1 1 Checking the Condition of N 62 HE 200 Oil Shell Corena V a Visual check Normally the oil is clear and transparent If the oil darkens it should be changed b Chemical check The neutralisation number of the oil is determined according to DIN 51558 If it exceeds 2 the oil should be changed Viscosity check If the viscosity of oil at 25 C exceeds 300 mPas the oil should be changed If gases or liquids dissolved in the oil result in a deterioration of the ultimate pressure the oil can be degassed by allowing the pu
14. d to the danger of inhaling solvent vapours Oil mist hazard Rotary pumps are oil sealed and discharge small quantities of oil mist when operating In poorly ventilated areas this can lead to unacceptable concentrations of oil vapour Oil vapour should be kept to a minimum It is recommended that a suitable oil mist filter is fitted to the pump or alternatively the exhaust should be piped away externally Oils based on mineral products are only slightly to moderately irritating to the skin and eyes Prolonged exposure of the skin to mineral oils may give rise to dermatitis Care should however be taken to avoid inhalation of vapours or mists arising from undue heating or excessive mist generation In the case of fluorinated compounds e g Fomblin avoid contact with excessive heat 280 C e g lighted cigarettes heater elements etc Page 11 Oil fluid spillage should be absorbed with sand earth or mineral absorbent and disposed of in the proper manner In the event of large spillage steps should be taken to prevent possible pollutions The operating temperature of the vacuum oils should be in the order of safe operating conditions in a vacuum environment A hazardous condition may occur ifthe oil is permitted to overheat excessively self ignition chemical decomposition and emission of dangerous components etc 3 Operation 3 1 Unpacking of The Pump Once the pump has been taken out ofthe cardboard box in order to op
15. erate you must e Dismantle the metal frame by unscrewing 6 pieces of M8 nuts key No 13 e Dismantle the pump from the wooden panel by unscrewing 4 pieces of M8 nuts key No 13 When lifting and or moving the pump you must make use of the crane eyes provided on the pump for this purpose also use the recommended type of lifting device 3 2 Installation standard pump is not suited for installation in explosion hazard areas When planning such an application please contact us first The pump must be set up on a flat horizontal surface The ambient temperature should not exceed 40 C and not drop below 12 C The site chosen should allow adequate air circulation to cool the pump If you wish to firmly install the pump in place insert bolts or similar connecting elements through the bore holes in the feet Use rubber feets to act as vibration absorbers RSVP 15 pumps are equipped with rubber feet e When installing RSVP pump make sure that the connections and controls are readily accessible tilt allowed for the pump with possibly fitted standard accessories 15 5 from vertical The site chosen should allow adequate air circulation to cool the pump If the pump is installed on a tilt surface the indicated oil level will be altered and this has to be taken into consideration 3 3 Connection to the System Before connecting the pump remove the shipping seals from the exhaust 1 4 and the inta
16. ing the pump for the first time and after each change in the electrical connection On initial start up after prolonged idle periods or after an oil change the specified ultimate pressure cannot be attained until the oil is degassed This can be done by running the pump for approx 30 min with the intake line closed and the gas ballast valve 1 18 open Page 14 e Before starting the pump ensure that the pump and the fitted accessories meet the requirements of your application and that safe operation can be guaranteed e Avoid exposure of any part of the body to the vacuum There is the danger of injury Never operate the pump with an open intake port Vacuum connections as well as oil fill and oil drain openings must never be opened during operation e The safety regulations which apply to the application in each case must be observed This applies to installation operation and during maintenance service as well as waste disposal and transportation standard pumps are not suited for pumping of hazardous gases or vapours 3 5 1 Application Areas The pump is not suitable for pumping of ignitable and explosive gases or vapours oxidants pyrophorous gases e The pumps are not suitable for pumping of liquids or very dusty media Suitable protective devices must be installed 3 6 Operation RSVP pumps can pump condensable gases and vapours within the acceptable tolerance provided that the gas ballast val
17. ings All connections are to be found at the top of the pump The oil level indicator is provided with a prism for better observation of the oil level The pump module consists of assembly parts which are pin fitted so as to allow easy disassembly and reassembly Page 5 Fig l Sectional drawing of RSVP B 10 11 22 21 1 Coupling housing 9 Electrical motor 17 Valve plate 2 Coupling 10 Oil drain plug 18 Gas ballast valve 3 Centrifugal switch 11 Vacuum ring 19 Demister 4 Exhaust port 12 Oil sight gauge 20 Exhaust valve 5 Front end plate 13 Anti suckback valve 21 Oil nozzle 6 Rotor Shaft 14 Dust trap filter 22 Vanes 7 Oil reservoir 15 Intake port 8 Rotor 16 Gas ballast valve knob 1 1 Function In accordance with Fig 1 the rotor 1 8 mounted eccentrically in the vacuum ring 1 11 has three radially sliding vanes 1 22 which divide the vacuum stage of the pump chamber into several compartments The volume of each compartment changes periodically with the rotation of the rotor As a result gas is sucked in at the intake port 1 15 The gas passes through the dust trap filter 1 14 flows past the open anti suckback valve 1 13 and then enters the pump chamber In the pump chamber the gas is passed on and compressed The oil injected into the pump chamber is used for sealing and lubricating From the chamber of the vacuum stage the compressed gas enters the pump oil reservoir when certain pressure through the exhaust v
18. ke 1 15 flanges Retain the shipping seals in case you need to store the pump in the future Page 12 Connect the intake and exhaust pipes using centering ring O ring and a clamp for each ring Placing of a filter at the intake pipe is recommendable Caution The intake line must be clean Deposits in the intake line may outgas and adversely affect the vacuum The connecting flanges must be clean and undamaged The cross section of the intake and exhaust lines should be at least the same size as the connection ports of the pump If the intake line is too narrow it reduces the pumping speed If the exhaust line is too narrow overpressures may occur in the pump this might damage the shaft seals and cause oil leaks The maximum pressure in the oil case must not exceed 1 5 bar When pumping oil vapours it is advisable to install filters condensate traps on the exhaust side Install the exhaust line with a downward slope lower than the pump so as to prevent condensate from flowing back into the pump If this is not possible insert a condensate trap In order to reduce the emission of oil vapours we recommend the installation of an additional exhaust filter Never operate the pump with a sealed exhaust line There is the danger of injury e Before starting any work on the pump the personnel must be informed about possible dangers first All safety regulations must be observed gt 3 4 Electrical Connection
19. mp to run for approx 30 min with the intake port closed and the gas ballast valve open When wanting to check the oil switch off the pump first and drain out from the warm pump the required amount of oil from the oil drain plug 1 10 into a beaker or similar 4 2 Oil Change For proper operation of the pump it is essential that the pump has an adequate supply of the correct and clean oil at all times The oil must be changed when it looks dirty or if it appears chemically or mechanically worn out The oil should be changed at every 2 000 operating hours or after one year At high intake pressures and intake temperatures and or when pumping condensable gases or vapours the oil will have to be changed more frequently Further oil changes should be made before and after long term storage of the pump If the oil becomes contaminated too quickly install a dust filter and or oil filter Required tool Allen key size 8 Page 18 Caution Only change the oil after the pump has been switched off and while the pump is still warm e If there is the danger that the operating agent may present a hazard because of the media which have been pumped you must ensure that all necessary safety precautions are taken Remove the oil drain plug and let used oil drain into a suitable container When the flow of oil slows down screw the oil drain plug back in briefly switch on the pump max 10 s and then switch it off again Remo
20. ot bear responsibility for accidents or damages caused by or related to product exploitation occurred due to non observance of hereby instructions Our responsibility constitutes a quality repair service in case of troubleshooting and is limited within the value of the product Figures The references to figures in the text consist of two figures the figure No and the position No e g 1 3 Service If a pump is returned to a service indicate whether the pump is free of substances damaging to health or whether it is contaminated If it is contaminated also indicate the nature of the hazard Any pump sent to a service without a Declaration of Contamination will be returned to the sender s address on the account of the sender Disposal of waste oil Anyone in possession of used oil is responsible for its proper disposal in accordance with the local acting regulations Used oils coming from vacuum pumps must not be mixed with other substances Used oils from vacuum pumps on the basis of mineral oils having been affected by normal contamination due to oxygen from the ambient air increases in temperature and mechanical wear must be disposed of as used oil in accordance with the regulations Used oils from vacuum pumps that have been contaminated by other substances must be labelled stored and disposed ofas special waste with reference to the kind of contamination In many countries proof of where the oil has finally been left
21. r application If you pump hazardous materials you must design the system to fail to a safe condition Leak test systems and equipment before use No part of the body should be exposed to vacuum The exposure of small areas of the body surface to the suction of a pumping system can result in tissue damage Exhaust hazard Any dangerous gas substances that may be present in the system being evacuated may pass through the system into the pump and be emitted at the exhaust Suitable precautions must be taken 2 2 Hazardous Overpressure Hazardous pressures may be produced if the exhaust from an automatic pump is restricted or blocked and care should be taken at all time to prevent this Exhaust line manifold systems should be designed to cope with the maximum exhaust load that can occur Hazardous pressures may be produced in the system to be evacuated if the rotary pump is operated in the reverse sense When a rotary pump motor requires a three phase electrical supply the outfit should be checked for correct rotation after main connection before being connected to the system to be evacuated 2 3 Pump Oil Hazards Cleaning hazard Suitable precautions should be taken to protect personnel engaged in cleaning vacuum pumps from the solvents being used and from the process debris in the pump The exact precautions to be taken will be dependent on the cleaning solvent involved and the applied process but particular attention should be pai
22. the oil level is at the max mark as shown in Fig 9 Seal the connection ports Special conservation or anticorrosion oils aren t necessary Caution e Please also take note of the information given in Section 4 4 storage and storage conditions Page 16 3 7 1 Shut Down Through Monitoring Components e When the pump has been switched off due to overheating sensed by the motor coil protector the pump must only be started manually after the pump has cooled down to the ambient temperature and after having removed the cause first gt 3 7 2 Failure of the Control System or the Mains Power e In order to prevent the pump from running up unexpectedly after a mains power failure the pump must be integrated in the control system in such a way that the pump can only be switched on again manually gt 4 Maintenance e Disconnect the electrical connections before disassembling the pump Make absolutely sure that the pump cannot be accidentally started If the pump has pumped harmful substances ascertain the nature of hazard and take adequate safety measures Observe all safety regulations D If you send a pump for repair please observe the information provided in Section 6 e When disposing of used oil you must observe the applicable environmental regulations Due to the design concept RSVP pumps require very little maintenance when operated under normal conditions The work required is described in the sections
23. the piston of the anti suckback valve Air follows in which vents the pump chamber and forces the valve disc 1 13 against its seat This effectively prevents backstreaming of oil or oil vapours The anti suckback valve 1 13 operates independently of the operating mode ofthe pump i e also with gas ballast 1 2 Supplied Equipment Standard equipment supplied includes Pump with motor including initial filling of N 62 HE 200 or Shell Corena oil A set of connecting elements DN 25 KF DN 40 KF or DN 50 KF e depending on the concrete pump 1 centering O ring 1 centering O ring with dirt trap 2 clamping rings For protection during shipment the connection ports are each wrapped separately and placed in the pump package Switches motor protection switch mains cable etc are not included Fig 2 Detailed scheme of RSVP vacuum pump Page 7 1 3 Transportation Caution e Pumps which are filled with operating oil must only be moved while standing in nun normal operating position Otherwise oil may escape Avoid any other orientations during transport Acceptable tilt degree 15 Check the pump for the presence of any oil leaks since there exists the danger that someone may slip on spilt oil When lifting the pump you must make use of the crane eyes provided on the pump for this purpose also use the recommended type of lifting device
24. tinue to run with gas ballast valve open and intake port closed if possible via a valve Once all vapours have been pumped off from a process e g during drying the gas ballast valve can be closed to improve the attainable ultimate pressure 3 6 3 Operating Temperature Proper operation ofthe RSVP is ensured in the ambient temperature range between 12 C to 40 C e At normal operation the surface temperature of the oil case may exceed 80 C depending on the load There 15 the danger of receiving burns 3 7 Switching Off Shutdown Under normal circumstances all that you need do is to electrically switch off the pump No further measures will be required Caution When pumping condensable media let the pump continue to operate with the gas ballast valve open and the intake line closed before switching off e When pumping aggressive or corrosive media let the pump continue to operate even during long non working intervals e g overnight with the intake line closed and the gas ballast valve open This avoids corrosion during idle periods If the pump is to be shutdown for an extended period after pumping aggressive or corrosive media or if the pump has to be stored proceed as follows e When pumping harmful substances take adequate safety precautions Drain the oil Add clean oil until the oil level is at the min mark and let the pump operate for some time Then drain the oil and add clean oil until
25. trap in the intake port is clogged Clean the dirt trap 4 3 low Exhaust filter is clogged Exchange the filter element Connecting lines are too narrow or too Use adequately wide and short connecting lines 3 3 long After switching off System has a leak Check the system pump under Anti suckback valve is malfunctioning Repair the valve service vacuum pressure in system rises too fast Pump gets hotter Cooling air supply is obstructed Set pump up correctly 3 2 than usually Ambient temperature is too high observed Process gas is too hot Set the vacuum system correctly 4 2 Oil cycle is obstructed Clean or repair the oil lines and channels service Exhaust filter or exhaust line is Replace the exhaust filter clean the exhaust line obstructed Exhaust valve is malfunctioning Repair the valve service Pump module is worn out Replace the pump module service Oil in the intake line Oil comes from the vacuum system Check the vacuum system or in vacuum Anti suckback valve is damaged Clean or repair the valve service vessel Sealing surfaces of anti suckback valve Clean or repair the intake port and the anti suckback service are damaged or dirty valve Oil is turbid Condensation Degas the oil or change the oil and clean the pump 2 5 2 4 2 Pump is excessively Oil level is much too low oil is no longer Add oil 4 2 noisy visible Intake pressure is too high Lower the intake pressure Coupling element is worn Install new co
26. upling element 3 6 Vanes or bearings are damaged Repair pump service Oil level falls too fast Oil leak from the vacuum pump Repair the leak Pump works too long at high intake pressure Install an oil trap at the exhaust line and or optimize the vacuum system Repair information refer to the Section in the Operation Instruction stated here Bubble test the warm pump with degassed oil is running without gas ballast and the intake blanked off The exhaust line is led in to a vessel with water If an evenly spaced line of bubbles appears then the pump has an external leak Page 21 6 Repair in Authorized Service When you have purchased a pump you have also received a Warranty Card completed and sealed by the Seller It indicates the corresponding service which will be serving your pump in case of warranty defects and maintenance in accordance with the plan in section 4 5 If a pump is returned to a service for maintenance indicate whether the pump is free of substances damaging to health or whether it is contaminated If it is contaminated also indicate the nature of the hazard For this you must use a form which has been prepared by us Please make a copy and fill in the form Declaration of Contamination of Vacuum Pumps This Declaration of Contamination is required for the protection of our personnel Any pump sent to a service without a Declaration of Contamination will be returned to
27. ve 1 18 is open and the pump has attained its operating temperature 3 6 1 Pumping of Non Condensable Gases If the process contains mainly permanent gases the pump may be operated without gas ballast provided that the saturation vapour pressure at operating temperature is not exceeded during compression If the composition of the gases to be pumped is not known and if condensation in the pump cannot be ruled out run the pump with the gas ballast valve open 3 6 2 Pumping of Condensable Gases and Vapours With the gas ballast valve open and at operating temperature RSVP pumps can pump pure water vapour up to the water vapour tolerance If the vapour pressure increases above the permissible level the water vapour will condense in the oil of the pump e During pumping vapours may dissolve in the oil This changes the oil properties and thus there is a risk of corrosion in the pump Therefore don t switch off the pump immediately after completion of the process Instead allow the pump to continue operating with the gas ballast valve open and the intake line closed until the oil is free of condensed vapours We strongly recommend operating the pump in this mode for about 30 minutes after completion of the process Page 15 In cyclic operation the RSVP pumps should not be switched off during the intervals between the individual working phases power consumption is minimal when the pump is operating at ultimate pressure but should con
28. ve the oil drain plug once more and drain out the remaining oil Screw the oil drain plug back in check the gasket and reinstall a new one if necessary Remove the oil fill plug and fill in with fresh oil Screw the oil fill plug back in The quantity of oil needed for your pump model can be checked at the Technical Specifications section 1 4 4 3 Cleaning the Dirt Trap A wire mesh sieve is located in the intake port of the pump to act as a dirt trap for coarse particles It should be kept clean For this purpose remove the dirt trap from the intake port and rinse it in a suitable vessel with solvent If the dirt trap is defective replace it with a new one Caution e The cleaning intervals depend on the application If the pump is exposed to large 5 amounts of abrasive materials dust filter should fitted into the intake line 4 4 Storing the Pump ion The pump should be stored in a dry place preferably within the operating temperature 12 C 40 C Before the pump is shelved it must be properly disconnected from the vacuum system purged with dry nitrogen and the oil should be changed too The inlets and outlets of the pump must be sealed with the shipping seals which are provided upon delivery The gas ballast switch must be set to the closed position When a pump is put into operation after it has been shelved for over one year standard maintenance should be run on the pump and the oil should also be
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