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Roth ROTILABO CR-DS 40, Operation Manual

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25

5.11 Side Panel Fitting Port 

Some applications call for a gas purge using a clean dry gas such as nitrogen. An external gas supply  
can be routed into the gas ballast assembly using that port.

5

INSTALLATION AND OPERATION

Fig. 10 Side Panel Fitting Port

Disasemble the Office S3258-99

Install the Fitting  

to the port S3257-99

Install the gasket 

S3259-99 

Side Fitting Installed

Summary of Contents for ROTILABO CR-DS 40

Page 1: ...Operation Manual ROTILABO CR DS 40 Rotary vane pump Two stage EN ...

Page 2: ...rl Roth GmbH Co KG All rights under the copyright laws are expressly reserved by Carl Roth GmbH Co KG We reserve the right to make changes and amendments Carl Roth GmbH Co KG Schoemperlenstr 3 5 D 76185 Karlsruhe Post office box 10 01 21 Germany Phone 49 0 721 5606 0 Fax 49 0 721 5606 149 info carlroth de www carlroth de ...

Page 3: ...ta 16 4 5 Lubrication Data 17 5 INSTALLATION AND OPERATION 18 5 1 Unpacking 18 5 2 Pump Mounting 18 5 3 Pump Location Environmental Conditions 19 5 4 General References 19 5 5 Installation and Connection 20 5 5 1 Connecting to the Electricity Supply 21 5 5 2 Change the Voltage Setting 21 5 5 3 Motor Protection 22 5 6 Starting up 22 5 7 Operating Temperature 23 5 8 Oil for Drawing off Oxygen 23 5 9...

Page 4: ...sks of fire or explosion electrical shock and the injury to persons read and understand all instructions included in this manual Be familiar with the controls and the proper usage of the equipment THE ROTARY VANE PUMP CONFORM TO THE FOLLOWING DIRECTIVES CAUTION WARNING CAUTION ONLY RELEVANT FOR CE 220 240V 50HZ OPERATION WARNING Hazard which may lead to serious injuries or material damage Hot surf...

Page 5: ...y vane pumps The operating manual must be kept at the place of use and be available to the personnel when required The layout of the rotary vane pump must be appropriate for the conditions of use The user bears the sole responsibility for this The rotary vane pump may only be operated under the conditions stated In the Technical Data chapter On the type plate and In the technical specification for...

Page 6: ...f the rotary vane pump are legally binding parts of the contract Contaminated Rotary vane pumps and their individual parts must be disposed of in accordance with the legal regulations The local regulations apply in foreign countries Please note the following when connecting to the electrical power supply system The electrical power supply system must have a protective connector according to IEC 60...

Page 7: ... warning notices for handling hazardous substances The local regulations apply in foreign countries Combustible and explosive Gases Examine before switching on whether that can form gas combustible gas air mixtures which can be promoted Consider the regulations of the guideline 1999 92 EC It is not permitted to pump gases that are combustible or prone to explosion Aggressive gases The Rotary vane ...

Page 8: ...ndustry The task is to create an ultimate pressure of 10 3 mbar ultimate pressure partial 10 4 mbar As a single vacuum pump As a fore vacuum pump for oil diffusion pumps or as turbomolecular pumps The rotary vane pump can evacuate containers or vacuum installations up into the high vacuum range 1 Screw plug for oil filling 2 Rotary knob for setting the gas ballast valve 3 ON OFF switch 4 Voltage s...

Page 9: ...nts of the application and the type of vacuum pump employed EMEA Description 230 V Standard Ordering Information ROTILABO CR DS 40 1A9E 1 Factory wired for 220 240 V 50 Hz 230 V 60 Hz Voltage switchable Yes Centering ring with dirt trap DN 16 KF 1 Centering ring DN 16 KF 1 Clamping ring DN 16 KF 2 Oil mist filter OME10 16 1 Connection flange 1 Manual English 1 Manual German 1 Manual French 1 1 lit...

Page 10: ...esult gas is drawn into the chamber due to the difference in pressure between the chamber and the inlet 4 to the chamber The inlet is the only place where gas can flow into the chamber Once the vane 3 moves past the inlet 4 it seals the inlet against the chamber 1 and the gas becomes trapped between the vanes 2 and 3 The chamber 1 formed by the enclosed space between the vanes then begins to decre...

Page 11: ...tors The vanes are pressed against the stators by centrifugal force Each stage has an exhaust valve Gas expelled from the first stage exhaust passes through an inter stage port to the intake of the second stage The second stage compresses the gas further then expels it from the second stage exhaust valve to the atmosphere The oil carried along with the gas is separated out by a filter available ac...

Page 12: ...at greater than atmospheric pressure Ultimate Pressure As described previously a quantity of gas is removed from the system with each cycle of the pump Therefore the pressure of the gas remaining in the system is reduced with each pump cycle Since the pump can remove only a small portion of the gas with each pump cycle it is obvious that this method of evacuation can never completely remove all th...

Page 13: ... port when no filter is used Once the vacuum level and the corresponding air flow through the pump are reduced very little if any oil mist will be emitted An exhaust filter is recommended for any vacuum pump installation where the pump operates at high intake pressures for a prolonged period of time Oil droplets entrained in the pump s exhaust are removed by the exhaust filter element Use of an ex...

Page 14: ...ce is dependent upon several factors including the proportion of permanent gases to vapours at the pump intake If the gases being pumped consist entirely of vapours condensation will definitely occur unless the gas ballast valve is opened The gas ballast valve adds a small amount of air at atmospheric pressure to the gas being compressed in the second stage This reduces the compression required to...

Page 15: ...ssure Diagram A B C D E F G H I 384 mm 183 mm 30 mm 135 5 mm 184 mm 210 5 mm 90 mm 138 mm 224 mm Fig 5 Pumping Speed Intake Pressure Diagram ROTILABO CR DS 40 4 TECHNICAL DATA Pumping speed m 3 h Pumping speed l min Intake pressure mbar without gas ballst with gas ballst ...

Page 16: ... 7 10 2 Max inlet pressure bar 1 Max outlet pressure bar 1 35 Connection flanges DN 16 KF Ambient temperature C 10 bis 40 Noise level 50Hz dB A 50 Type of protection IP54 Oil filling ml 450 Dimensions W D H mm inch 380 x 138 x 235 15 1 5 4 9 2 Shipping Carton Dimensions W D H mm inch 500 x 320 x 330 19 7 12 5 13 0 Weight kg lbs 15 33 Shipping Weight kg lbs 18 40 4 4 Motor Data Parameter Unit 115 V...

Page 17: ... and sulfur to give good resistance to sludge and varnish formation over time in corrosive environments Directorr Premium vacuum oil enables Welch direct drive vacuum pumps to maintain the highest vacuum performance over time The oil is light yellow CAS No 64742 65 0 Vapour Pressure at 25 C 1 10 6 mbar 1 10 6 torr Viscosity at 40 C 65 cSt 305 SUS Specific Gravity 0 87 The technical data and operat...

Page 18: ...hout delay if there are discrepancies between the delivery and the contractually agreed scope of delivery or if damage is detected Please take note of the general terms of business of the manufacturing firm In case of a claim under warranty the device must be returned in packaging that is suitable for protecting it during transport 5 2 Pump Mounting For more rigid mounting requirements the pump ba...

Page 19: ...y that they will be resistant to the media to be delivered 5 3 Pump Location Environmental Conditions The pump should be located in a clean and well ventilated area and adequate space should be provided wherever possible for routine maintenance such as oil changes For best performance the pump should be located as closely as possible to its system Determining factors for pump location should inclu...

Page 20: ...ed in chapter 5 5 2 Change the Voltage Setting 5 Check the AC power outlet to be sure that it is the same voltage and phase as the pump motor 6 Recheck the oil level If needed refill oil see chapter 6 3 2 Filling up with Oil Please note that the pump are delivered without oil filling Initial oil filling has to be done by the user 7 Connect the rotary vane pump to the electrical supply Please note ...

Page 21: ...p switches 5 5 2 Change the Voltage Setting The pumps are factory wired for high voltage HV 220 240V 50Hz 230V 60Hz If necessary the voltage setting can be changed to low voltage LV 115V 60Hz as followed 5 INSTALLATION AND OPERATION WARNING Should the user change the electrical connection for example for fitting into a system then this may only be performed by an electrical specialist under observ...

Page 22: ... and its electrical and vacuum connections Please notice the information which are listed in chapter 5 Installation and Operation 1 Connect the power cord to the power outlet 2 Recheck the oil level and add or remove oil as needed How to do this see chapter 6 1 Oil Level Control 3 Close off the pump intake and the gas ballast valve and run the pump at blank off for a few minutes The gurgling noise...

Page 23: ...ximum 30 per cent in the medium to be delivered In order to prevent any accumulation of oxygen in the discharge space neutral gas such as nitrogen may be let in through a special inlet assembly The percentage of oxygen is being reduced The added amount of gas should be 5 times as much as the percentage of oxygen 5 INSTALLATION AND OPERATION WARNING In dependence on the operation mode the casing te...

Page 24: ...r flask is installed so that the vapors may come in contact with the surfaces of the trap and condense Commonly used refrigerants are liquid nitrogen or dry ice and acetone The refrigerant to be used depends upon the freezing point of the contaminants A variety of cold traps are available see chapter 8 Accessories When using a cold trap the refrigerant should be maintained at a high level in the f...

Page 25: ...y gas such as nitrogen An external gas supply can be routed into the gas ballast assembly using that port 5 INSTALLATION AND OPERATION Fig 10 Side Panel Fitting Port Disasemble the Office S3258 99 Install the Fitting to the port S3257 99 Install the gasket S3259 99 Side Fitting Installed ...

Page 26: ...ge the oil if necessary Close connecting ports with a rubber stopper or other suitable cover to protect the pump against contamination An intake screen is furnished to prevent loose particles from entering 5 13 Storage The pumps are to be stored in a low dust interior room within the temperature range from 5 to 40 C and at a relative air humidity 90 Leave the protective elements on the suction and...

Page 27: ...Only perform the work that is described here and that which is permitted to be done by the user All other maintenance and service work may only be performed by the manufacturer or a dealer authorized by him Beware of the pump parts being possibly contaminated by hazardous substances Wear protective clothing if there is contamination WARNING During repair or maintenance work which could endanger pe...

Page 28: ...uum oil pump performance is not guaranteed with other brands of oil Comparing the colour of a sample of the pump oil with fresh oil provides an indication of the contamination of the pump oil You obtain the oil needed for testing from the oil drain aperture with the vacuum pump switched off and at operating temperature Brown or black oil or oil smelling as if it has burnt must be removed from the ...

Page 29: ... the oil until it reaches the upper mark FULL 4 Screw in the oil fill plug together with the seal once again 5 Block the inlet port and switch on the vacuum pump and let it work for about 2 minutes 6 Check the oil level when the pump is switched off repeat if necessary 6 MAINTENANCE AND SERVICING 6 3 Oil Change WARNING If the vacuum pump has been used to pump media which are dangerous to health th...

Page 30: ...f solids it is time to change the oil Be sure to use only Directorr Premium vacuum oil The ultimate pressure guarantee applies only if this oil is used When the shaft seal in the mounting plate shows signs of excessive oil leakage it should be replaced Before attempting replacement of the seal the pump must be disconnected from the vacuum system and from the power outlet A seal replacement kit is ...

Page 31: ...hortage User Top up oil Oil is dirty Operate with gas ballast or perform oil change with flushing Oil supply to pump unit interrupted or reduced Check that the oil circulation is functioning measure the oil pressure at operating temperature 1 1 2 bar overpressure check that the pipes are clear and have no leaks Gas ballast valve open Close the gas ballast valve Shaft seals defective User or Servic...

Page 32: ...e oil casing too high 0 5 bar Check exhaust pipe change filter insert Heavy loss of oil Through oil mist emission work or pressure control valve defective User or Service workshop Exchange Because of leak from oil casing shaft seal defective oil casing seals defective Repair and or exchange Vacuum pump is not vacu um tight when switched off possible rise in oil pressure Intake valve defective User...

Page 33: ...eplacement element for OME 10 16 AKD 16 800160 Trap Cold Trap KFG16 set Cold trap with cold finger 500 mm metal hose centering ring and clamping ring DN 16 KF 330055 Tubing Metal hose DN 16 1 m 710764 Application Kits Freeze Dryer Adapter Kit DN 16 KF 330031 Service Service Kit For ROTILABO CR DS 40 S3344 99 Oil Directorr Premium vacuum oil 1 liter HKE3 1 ...

Page 34: ... the rotary vane pump ROTILABO CR DS 40 Art no S3344 99 CAUTION We are not liable for any damage caused by the installation of any parts not supplied by the manufacturer Item no Description Qty 9 Coupling Element 1 18 O ring 1 19 O ring 1 20 O ring 1 24 O ring 2 26 O ring 2 50 Oil seal 1 52 O ring 1 53 O ring 1 54 Bushing 1 55 Oil seal 2 58 O ring 1 59 Gas ballast valve head 1 60 Spring 1 61 O rin...

Page 35: ...60 85 77 84 82 78 25 92 81 79 76 64 63 75 17 66 46 71 70 69 68 62 57 56 49 47 46 45 7 77 18 19 93 29 37 91 99 23 3 25 72 48 42 20 24 24 26 50 51 58 61 80 87 94 98 55 54 63 64 65 59 60 67 73 74 95 83 26 46 53 52 61 71 35 9 OVERVIEW OF SPARE PARTS 9 2 List of Spare Parts Fig 12 Exploded view ROTILABO CR DS 40 Service Kit Seal Kit ...

Page 36: ...erlay 1 22 PTFE flat washer 1 23 Short gas ballast mouth 1 24 O ring 2 25 Inlet Out Port 2 26 O ring 2 27 KF16 Filter 1 28 Rubber sheet 2 29 Blank flange 2 30 KF16 Hoop 2 31 O ring 2 32 Gas ballast valve bush 1 33 Washer 1 34 Gas ballast valve rod 1 35 Gas ballast location bush 1 36 Steering stop screw 1 37 Gas ballast valve ring 1 38 Gas ballast knob 1 42 Steel ball 1 43 Spring 1 44 Set screw 1 4...

Page 37: ... 1 68 Exhaust valve seat 1 69 Oil baffle cover 1 72 Flat washer 1 73 Spring 1 74 Exhaust vane 1 75 Back rotor 1 76 Rear cover 1 79 Deflated joint 1 80 O ring 1 81 Anti suck back valve 1 82 Oil pump rotor 1 83 Oil pump vane 1 84 Pump cover 1 86 Oil casing 1 87 Washer 1 88 Nut 1 89 Holder 1 90 Flap 1 91 Studdle 1 92 Center rest 1 93 Oil fill plug 1 94 O ring 1 95 Glass 1 96 Oil window 1 97 Screw 3 9...

Page 38: ...The warranty card has been completed and returned The product is returned to the factory or other designated service centers freight prepaid The product in our judgment is defective through no action or fault of the user If the product has become defective through misuse abuse or alteration repairs will be billed regardless of the age of the product In this event an estimate of the repair costs wi...

Page 39: ... us meets the basic safety and health standards of the directive 2006 42 EC and and 2014 35 EU Applied harmonized standards Appliance description Rotary Vane pump Document No EN 60204 1 2018 EN 61010 1 2014 35 EU EC declaration of conformity according to EMC Directive EN 50581 2012 Notice All modifications to this product results in cancellation of this declaration EN 1012 2 1996 A1 2009 EN61000 6...

Page 40: ...Global Contact Carl Roth GmbH Co KG Schoemperlenstr 3 5 76185 Karlsruhe Post office box 10 01 21 Germany Phone 49 0 721 5606 0 Fax 49 0 721 5606 149 info carlroth de www carlroth de ...

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