roots 1002 / 1502
Contents
1. n I I TZT J 175 6 9 125 a9 d GH C d uU d Y Exhaust 4x8 16 0 6 E e G d N E m il Y Dim mm inch A B C D Roots 1002 196 7 7 276 10 9 340 13 4 970 38 2 Roots 1502 308 12 1 322 12 6 396 15 6 1082 42 6 2 2 Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 Edition O1 January 99 Edition O1 January 99 Weldable flange A 40 Accessories Fiting flange on wich a customer supplied tube for tubing Al be welded Pump type Fiting type P N DN 100 102481 R 1002 di 4 102482 DN 160 102484 Roots 1502 6 102485 Adaptation flange Fitting flange ISO outlet Pump type Fitting type P N DN 100 102483 Roots 1002 DN 100 DN 25 port 107339 DN 160 102486 Roots 1502 DN 160 DN 25 port 107340 Pressostat Allows to close a contact when the E pressure reaches the requested value Pressostat Pressure range Gauge P N Power unit P N APS 3 1 to 20 mbar 786423 053177 APS 4 35 to 200 mb2. 181 u 11109 8 7 6 54 1 M otor stator 10 Gear wheel 2 Motor rotor 11 Casing 3 Fan 12 Friction ring 4 Casing 13 Rotor 5 End plate 14 Splash 6 Stator 15 Deflector 7 End plate 16 M otor sleeve 8 Lip seal 17 Filter 9 Ball bearing 18 Casing pumping tube The lubrication requirements of these machines are limited to the ball bearings and synchronisation gear train The two casings containing the oil are isolated from the pumping chamber by a sealing system lip seal for dry friction in PTFE treated friction ring deflectors which prevents any possibility of oil contamination of the pumped gases The oil casing are sealed from the pumping chamber by means of a link tube connecting the casings to the exhaust of the machine This avoids the creation of any pressure difference between the pumping chamber and the casing which would otherwise stimulate to oil migration An oil mist filter avoids any oil back streaming into casing tubes Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 3 4 A 20 RO OTS pump operating principle Tightness at motor side The vacuum tightness is shaft passage ensured by the motor design with built in jacket hermetically sealed This system provides total safety regarding leaks outside the pump and 1 Builtin jacket S l 2 Motor housin
3. 2 2 Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 Edition O1 January 99 Check the direction of rotation at initial pump start up B 60 Checking the direction of rotation and initial pump start up N Study the preliminary precautions see B 10 Check that the mechanical and electrical connections defined in the chapter B have been made Before each pump start up check that oil level housings appear in the middle of the sight glass do this check with the pump stopped Remove the guards blocking the intake and exhaust holes these components prevent foreign bodies from entering the pump during transport and storage It is dangerous to leave them on a pump in operation W hen inspecting the direction of rotation of the Roots at the initial start up provide protection against the risk of compression related to the rotating parts in the inlet Caution A non powered Roots can be driven by another pump in rotation risk of compression Remove the blank off flange on the inlet and exhaust port Fita pressure gauge at the pump inlet Startup the pump and stop it after few seconds if the pressure indicated is less than 50 Pa the rotational direction is correct if the pressure increases invert two phases at main switch terminal see B 50 Before any service intervention on electrical circuit make sure that the electrical source has been disconnected to the pump Note Rotat
4. Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 1 Edition O1 Januany 99 Alcatel quality and reliability Canned motor concept Resistant to process gases and condensables Simplified maintenance Low noise Air cooled Vacuum integrity A 10 Pump introduction The Alcatel Roots Pumps are suited to a wide range of vacuum applications In combination with primary vane pumps or dry pumps they achieve low pressures with high pumping speeds W ithout any mechanical contact and proven in industrial and chemical applications the Alcatel Roots pumps achieve high reliability The motor armature and drive shaft are enclosed in a vacuum tight can this design eliminates external shaft seals and potential leaks The careful choice of quality components makes Alcatel Roots well adapted to aggressive environments Aggressive environments require vertical flow Roots to prevent condensate from accumulating inside the pumping chamber On site maintenance capability Compact design quiet operation low vibration level The RSV Series is Helium leak tested to lt 1 107 mbar I s and is ideally suited for hazardous or precious gas transfer Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 1 Edition O1 January 99 Rotating piston pump principle Transverse section of a one stage synchronous twin rotor pump Set of pistons with their gear drive A 20
5. ROOTS pump operating principle Two identical shaped rotors turn in opposite directions in the casing without touching each other or the casing The two rotors have a figure 8 shaped cross section and are synchronised by a gear drive The play between the pistons and the casing is of a few tenths of a millimetre 1 Inlet flange 2 Rotor 3 Inner wall of the casing 4 Pump chamber developped volume Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 4 A 20 RO OTS pump operating principle Operating principle During the rotation each rotor creates between itself and the stator a varying space transfering the carried gas from the inlet to the exhaust without any internal compression and generating also the pumping effect As soon as the isolated volume phase 3 is in communication with the exhaust pipe the gas volume isolated at inlet pressure is compressed at exhaust pressure by the gas coming from exhaust circuit phase 4 Then the rotors push the molecules outside phase 1 2 4 Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 Edition O1 January 99 Edition O1 January 99 Pump tightness Inner tightness A 20 RO OTS pump operating principle 17 14 15 13 12 15 14 16
6. fixing screws of the inner crate cover Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 2 Remove the pump from the crate Equipment storage B 20 Unpacking Storage For all equipment handling use the devices provided for this purpose lifting rings handle etc It is highly recommended to use a hoist Fit the pump with the hoisting rings Lift the pump using the rings and remove the foam blocks Pump Weight in kg Ibs Roots 1002 235 518 Roots 1502 270 595 If the pump is going to be put into storage the inlet and exhaust seals should be left in place Our equipment can be stored without particular storage precautions during 3 months ambient temperature between 5 and 40 C After 6 months factors such as temperature degree of humidity salt air may cause the deterioration of the pump components elastomers lubricants 2 2 Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 Edition O1 January 99 Edition O1 January 99 Positioning the pump B 30 Positioning the pump in the pumping installation Pump performance will depend on the kind of accessories used and the quality of the mechanical connections such as the pump fittings W hen assembling the vacuum circuit we recommend the installation of maintenance accessories such as shut off valves on the inlet and purge lines For safety reasons use accessori
7. pump tightness TROUBLESHOOTING Check the installation Check the installation Check the installation AP too high Check the voltage replace the motor Call Alcatel customer service Drain and fill with new oil see E 10 Call Alcatel customer service Check the draining plugs Call Alcatel customer service 2 2 Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 Edition O1 January 99 Edition O1 January 99 E 10 RO OTS pump draining Study the safety precautions before intervention see D 10 Certain gases become corrosive and toxic when trapped in oil Aways wear protective gloves when handling used and dirty pump oil drain into a closable container and do not breathe the fumes of the oil Always use fully self contained breathing apparatus Always dispose of used or dirty oil or sub products properly and in compliance with all local state and federal environnemental laws and regulations Housing oil replacement Unfasten the fill plug 1 in order to eliminate any excess pressure in the housing fio Remove the drain plug 2 and allow the used oil to flow into a container provide a capacity of 2 litres Caution the Roots is equipped with 2 housings Repeat the operation for each housing Replace the drain plug and then remove the fill plug Introduce the quantity of new oil required see B 40 Alcatel Vacuum Technology France User s Manual
8. use lubricants it is recommended to request the manufacturer for the safety data sheets concerning the product used W hen inspecting the direction of rotation of the Roots pumps at installation provide protection against the risk of compression related to the rotating machine on the intake Caution a non powered Roots can be driven by another pump in operation risk of compression Avoid moving a pump in operation The machines are designed so as to prevent any thermal risk to the user s safety However specific operating conditions may generate on the pump temperatures justifying particular attention on the part of the user external surfaces gt 70 C Hot surfaces which can cause serious burns when touched are signalled with specific label Hot surface Hot surface near the label pump body exhaust tube 2 2 Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 Edition O1 January 99 Edition O1 January 99 Handling Precautions Packaging dimensions Unpacking B 20 Unpacking Storage If the equipment has been damaged take necessary steps with the carrier and inform Alcatel if necessary In all cases Alcatel recommends that the packaging be saved in the event that the equipment must be transported or put into prolonged storage 860 Y Tolerance 50 mm Unscrew the fixing screws of the outer crate cover Remove the foam blocks Remove the
9. 0 h 12h application Pump used on harsh 17 000 h 12h application D RE Specific escription P N tool Comments Major kit 107341 SA Oil Alcatel 120 2 I 068099 uid E Ge Fluid Alcatel 113 0 5 1 064657 ED Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 1 Edition O1 January 99 D 30 Diagnosis and troubleshooting INCIDENT CAUSE The pump is not running Incorrect motor power supply NO Pump seized NO Other problem Incorrect direction of motor No pressure decreasing rotation pump running NO Insufficient motor power NO Limit pressure obtained is not low enough NO Other problem TROUBLESHOOTING Check the power supply Call Alcatel customer service Call Alcatel customer service Rewire see B 50 Check the power supply Check the rating of rough pumping unit Check that exhaust is not clogged Call Alcatel customer service Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 2 D 30 Diagnosis and troubleshooting INCIDENT CAUSE Pump too hot Ambient temperature too high NO Pump placed in a poorly ventilated place NO Vents blocked NO Operation at high pressure NO Motor in over voltage or in short circuit NO Other problem Oil presence in the exhaust Oil level too high NO Internal pump tightness Oil losses in the housings Leak in the housings NO Internal
10. 470 1150 676 Rotation speed at 50 Hz rpm 3000 3000 Rotation speed at 60 Hz rpm 3600 3600 Total ultimate pressure 1 ia 2107 2107 P mbar 2 104 2 104 Partial ultimate pressure Fa 5 103 5 103 mbar 5 10 5 10 Maximum differential pressure AP max ra 5 103 2 103 s mbar 50 20 EN Pa 1 4x103 300 1 M aximum pressure at inlet in continuous operation mbar 14 3 Leak rate mbar l s lt 107 lt 107 Inlet flange Pneurop PN 2 or DN 100 PN 2 or DN 100 Exhaust flange Pneurop PN 2 or DN 100 PN 2 or DN 100 Motor power at 50 Hz kW 3 5 3 5 Motor power at 60 Hz kW 4 4 Supply voltage 3 Phases at 50 Hz LT coupling V 200 240 200 240 at 50 Hz HT coupling V 380 415 380 415 at 60 Hz LT coupling V 200 240 200 240 at 60 Hz HT coupling V 380 480 380 480 Oil capacity l 2 2 Running ambient temperature ZE 5 to 40 5 to 40 AWARIA mm 970 x 364 x 363 1082 x 364 x 363 inch 39 4 x 14 4 x 14 3 44 3 x 14 4 x 363 kg 235 270 wen Ibs 518 595 1 with a roughing pump 2100 100 m3 h 50 Hz 2 see accessoiries PN Petroleum standard according to ISO 2084 Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 2 A 30 Technical characteristics Dimensions Inlet Inlet b D 182 7 2 18202 c B Li 354 13 9 i iA ER 363 14 3 350 13 8
11. 65 77 77 Fax 33 4 50 65 77 89 GERMANY Alcatel Hochvakuumtechnik GmbH Am Kreuzeck 10 Postfach 1151 97877 Wertheim Germany Tel 49 9342 9610 0 Fax 49 9342 9610 30 ITALY Alcatel Vacuum Systems Via Trento 30 20059 Vimercate Mi Italy Tel 39 0396 86 38 55 Fax 39 039 66 71 25 JAPAN Alcatel Lucent Japan Ltd 1 9 4 Kita Shin Yokohama Kohoku ku Yokohama Kanagawa 223 0059 Japan Tel 81 3 6431 7130 Fax 81 45 544 0049 KOREA Alcatel Vacuum Technology Korea 447 Banwol dong Hawsung si 445 330 Kyungki do South Korea Tel 82 031 206 6277 Fax 82 031 204 6279 NETHERLANDS ALCATEL Vacuum Technology Benelux Landzichtweg 60 NL 4105 DP Culemborg The Netherlands Tel 31 345 478 400 Fax 31 345 531 076 SINGAPORE Alcatel Lucent Singapore 49 Jalan Pemimpin 01 02 APS Industrial Building 577203 Singapore Tel 65 6254 0828 Fax 65 6254 7018 SWEDEN Adixen Sensistor AB Box 76 SE 581 02 Link ping Sweden Tel 46 0 13 35 59 00 Fax 46 0 13 35 59 01 TAIWAN Alcatel Vacuum Technology Taiwan No 169 3 Sec 1 Kang Leh Rd Song Lin Village Hsin Feng 304 Hsin Chu County Taiwan R O C Tel 886 3 559 9230 Fax 886 3559 9231 UNITED KINGDOM Alcatel Vacuum Technology UK Ltd 8 Bain Square Kirkton Campus Livingston West Lothian EH54 7DQ Scotland United Kingdom Tel 44 1 506 418 000 Fax 44 1 506 418 002 USA Alcatel Vacuum Products 67
12. AVTF France headquarters and its subsidiaries Alcatel Hochvakuumtechnik Germany Alcatel Vacuum Technology UK Scotland Alcatel Vacuum Technology Benelux Netherlands Alcatel Vacuum Systems Italy and more recently Adixen Sensistor AB in Sweden in 2007 form the foundation for the European partner network In Asia our presence started in 1993 with Alcatel Vacuum Technology Japan and has been strengthened with Alcatel Vacuum Technology Korea in 1995 Alcatel Vacuum Technology Taiwan in 2001 Alcatel Vacuum Technology Singapore Alcatel Vacuum Technology Shanghai China in 2004 This organization is rounded off by more than 40 represensatives based in a variety of continents Thus whatever the circumstances the users of Adixen products can always rely on quick support of our specialists in Vacuum Technology Gb 0779 Edition 04 Feb 2008 Edition O1 Januany 99 Dear Customer you have just purchased an Alcatel Roots pump We thank you and are proud to include you in our customers This product has benefited from Alcatel s many years of experience in dry pumping For optimum performance and to obtain full satisfaction from this equipment we recommend that you study this manual before any intervention on your pump in particular the chapter on installation and start up MANUAL REFERENCE 107 342 EprrioN 01 January 1999 1002 1502 ROOTS pumps APPLICATIONS Pumping of gases
13. ROOTS 1002 1502 POMPES ROOTS CAS A Je 4 D Je 2 ui d A Sm W u 2 E 3 e gt E E z E L2 U e 5 s ri de My BLI 0 NEA z cC o e Lee p Mu eem enn ea 6661 10 mea 10 P3 enuem suasn e GojouLPaJ tunroe EN uoneoranaruonezeos adixen by Alcatel Vacuum Technology Alcatel Vacuum Technology as part of the Alcatel Lucent Group has been supplying vacuum pumps helium and hydrogen leak detection systems plasma sensors vacuum measurement for several years Thanks to its complete range of products the company has become an essential player in multiple applications instrumentation Research amp Developement industry and semiconductors Alcatel Vacuum Technology has launched Adixen its new brand name in recognition of the company s international standing in vacuum position With both ISO 9001 and 14001 certifications the French company is an acknowlegded expert in service and support and Adixen products have the highest quality and environmental standards With 45 years of experience AVT today has a worldwide presence through its international network that includes a whole host of experienced subsidiaries distributors and agents The first step was the founding of Alcatel Vacuum Products Hingham MA in the United States thirty years ago reinforced today by 2 others US subsidiaries in Fremont CA and Tempe AZ In Europe
14. ROOTS 1002 1502 1 1 Edition O1 January 99 G 10 Pumping curves Pumping speed Roots 1002 With a rough mechanical pump 2100 1000 900 Roots 1002 60 Hzj 800 700 600 See Roots 1002 50 Hz 400 Pumping speed m h 300 200 100 0 10 10 10 107 Inlet pressure mbar 10 10 Alcatel Vacuum Technology France ROOTS 1002 1502 User s Manual 1 2 1200 1000 co e e x e e Pumping speed m h e e 200 0 10 Pumping speed G 10 Pumping curves Roots 1502 With a rough mechanical pump 2100 Roots 1502 60 Hz Roots 1502 50 H J NE 10 10 107 1 10 10 Inlet pressure mbar 2 2 Alcatel Vacuum Technology France ROOTS 1002 1502 User s Manual Edition O1 January 99 France Alcatel Vacuum Technology France 98 avenue de Brogny BP 2069 74009 ANNECY Cedex Tel 33 4 50 65 77 77 Fax 33 4 50 65 77 89 Germany Alcatel HO CHVAKUUM TECHN IK GmbH Am Kreuz
15. Sharp Street Hingham MA 02043 USA Tel 1 781 331 4200 Fax 1 781 331 4230 Alcatel Vacuum Technology France 98 avenue de Brogny BP 2069 74009 Annecy cedex FRANCE Web site www adixen com An Alcatel Lucent Company Tel 33 4 50 65 77 77 Fax 33 4 50 65 77 89
16. ables with wires of 2 5 mm section Direct connection in this case during a short while startup current may be high it is necessary to monitor the thermal safety of the motor and to use a thermal motor breaker type D with the following protection ratings IT 25A HT 16A cables with wires of 4 mm section Connection with a variator monitor the thermal safety of the motor and refer to the delivered variator documentation In the case of a pumping in which the Roots is used at slow speed for a long time it can be necessary to connect the fan to a power source independent from the variator to ensure the Roots cooling in any operation condition Pump motors are equipped with a heatprotective thermistor device known as the Stoptherme Located in the middle of the windings this thermistor is always at the temperature of coils and immediately signals any dangerous overheating This deflector in the form of a bimetallic disc can do the following actuate the motor control switch trigger a visible or audible signal The stoptherme circuit is an independent circuit consisting of a switch which is opened when the internal coil temperature is below 150 C 5 C The maximum line voltage is 250 V 50 Hz with a maximum operating current of 2 5 A at50 Hz The three phase motor is normally controlled by a switch in series with the stoptherme protective circuit Refer to the delivered variator documentation
17. ained on the condition that the installation complies with the EMC rules In particular in disturbed environments it is essential to use shielded cables and connections for interfaces stabilize the power supply line with meshing from the power supply source to a distance of 3m from the product inlet W hen switching off an item of equipment containing capacitors loaded with over 60VDC or 25 VAC take precautions at the access to the connector pins single phase motors fitting with mains filter frequency converter monitoring System etc For all equipment handling use the devices provided for this purpose lifting rings handle etc The performance and the operational safety of this product are guaranteed provided that it is used in normal operating conditions Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 2 B 10 Safety instructions The vacuum pump is also a compressor incorrect use may be dangerous Study the user manual before commissioning the pump Remove the guards blocking the intake and exhaust and if applicable purge holes these components prevent foreign bodies from entering the pump during transport and storage It is dangerous to leave them on a pump in operation Caution the pumps are delivered without an oil load the oil is found in separate drums Similarly it is recommended to drain the pump before redispatching the equipment For machines which
18. ar 786424 APS 31 3 to 65 mbar 786435 053177 Unit power supply 220 V 50 Hz Variator Allows to control the rotation speed of the motor in order to monitor its power according to the pumping conditions Example of variator UMV 4301 LEROY SOMER Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 1 Edition O1 January 99 B 10 Safety instructions Our ALCATEL products are designed and tested to provide the maximum safety However in order to obtain the best level of safety the following instructions must be observed the user manual during product transport installation operation and maintenance the safety instructions bellow The machines must be connected to an electrical installation in compliance with the decree 88 1056 dated 14 Novembre 1988 Our products are designed to comply with current EEC regulations Any modification of the product made by the user is liable to lead non compliance with the regulations or even to put into doubt the EMC ElectroM agnetic Compatibility performance and the safety of the product ALCATEL declines any responsability for such operations Before any maintenance operation is perfomed by a maintenance technician who has not received safety training EM C electrical safety chemical pollution etc isolate the product from the various energy sources electricity compressed air etc The EMC perfomance of the product is obt
19. e user to ensure that the level of tightness is maintained when pumping dangerous gases Purge the installation with dry nitrogen To wear gloves protective glasses and if necessary a breathing mask To ventilate the premises well Not to dispose of residue but if necessary to have it destroyed by a qualified organization Certain gases can become corrosives and toxic when trapped in oil Always wear protective gloves when handling used and dirty pump oil drain it into a closable container and do not breathe the fumes of the oil Always use fully self contained breathing apparatus Always dispose of used dirty oil or sub products properly and in compliance with all local state and federal environmental laws and regulations After a complete maintenance operation on the pump or on the installation it is recommended to perform a tightness test with helium Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 1 Edition O1 January 99 Partial maintenance Total maintenance Equipment required D 20 Maintenance frequency Each pumping case is a particular one For this reason the frequency of oil replacement will be adapted according to the applications For information typical maintenance periodicities are the following Description Delay Time required Draining of pump used on 8 500 h lh clean application Pump used on clean 26 00
20. eck 10 D 97877 WERTHEIM Tel 49 9342 9610 0 Fax 49 9342 9610 30 Italy Alcatel Vacuum Systems S p A Via Trento 30 20059 VIM ERCATE M I Tel 39 039 686 3855 Fax 39 039 667 125 Japan Alcatel ITS JAPAN High Vacuum Technology Division Ebisu MT Building 5 Floor 3 15 7 Higashi 3 Chome Shibuya ku TOKYO 150 0011 Tel 81 3 5468 1621 Fax 81 3 5468 1603 Korea Alcatel Vacuum Technology Korea 5th Floor Sunghyun B D 10 5 Karak Dong Songpa ku Seoul SO UTH KO REA Tel 82 2 409 6277 Fax 82 2 409 6279 United Kingdom Alcatel Vacuum Technology U K Ltd Christchurch way Greenwich London SE 10 OAG EN GLAN D Tel 44 181 293 2122 or 181 293 2123 Fax 44 181 293 2748 USA Alcatel Vacuum Products 67 Sharp Street HIN GHAM MA 02043 Tel 1 781 331 4200 Fax 1 781 331 4230 v ALCATEL Alcatel Vacuum Technology France 98 avenue de Brogny B P 2069 74009 ANNECY Cedex France Tel 33 0 4 50 65 77 77 Fax 33 0 4 50 65 77 89 Telex 385 153 F www alcatel com Publication Alcatel Realization D O C 74 33 0 4 50 64 14 74 Part Number 107342 Ed O1 01 1999 CHINA Alcatel Vacuum Technology Shanghai N 82 Lane 887 Zuchongzhi Road Zhangjiang High Tech Park Shanghai 201203 China Tel 86 21 5027 0628 Fax 86 21 3895 3815 FRANCE Alcatel Vacuum Technology France 98 avenue de Brogny BP 2069 74009 Annecy cedex France Tel 33 4 50
21. es on the inlet and exhaust lines whose materials and sealing properties are compatible with the gases being used Determine where the pump will be placed Review to the dimensions according to the models before installation see A 30 Use a hoist to handle the pump lifting it by the hoisting rings The pump can be fixed to a frame using the 4 holes 16 mm which are located in stator lateral sides The pump will be connected to the pumping circuit which must be equipped with a rough pumping system W hen connecting the hoses be sure that the flanges are aligned and there is no stress on the pump O nce the hoses have been connected they must not exert any stress on the Roots pump Temperature variations in particular must be avoided because they increase stress on the pump Make sure that any vacuum accessories connected to the inlet of the pumps withstand a negative pressure of 1 bar with reference to the atmospheric pressure Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 1 Edition O1 January 99 Oil quantities B 40 Filling the machine oil housings Caution The pumps are delivered without an oil charge the oil is found in separate containers Similarly it is recommended to drain the pump before returning the equipment For machines which use lubricants it is recommended to request for the safety data sheets from the manufacturer The pump is tested using mineral fluid Alcate
22. g requires no maintenance 3 Electrical rotor Operating limits Electrical power consumed by the pump is directly proportional to the difference between inlet and exhaust pressures AP Chamber to be evacuated The real pumping flow and AP value are determining the absorbed ROOTS WV As a matter of fact Roots pumps must be combined with other pumps Roughing in order to limit this AP pump For all operation with a pressure difference AP higher than the Roots performances see characteristics table A 30 use a pressure switch or a variator to make the pump startup easier Operation with The Roots can be automatically started up using a pressure a pressure switch switch as soon as the switching pressure required by the application is reached The pressure switch will stop tne pump in case of important pressure increasing Operation with Electrical power of the Roots motor can be monitored by a a variator variator according to the pumping conditions This allows the Roots to start at atmospheric pressure 4 4 Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 Edition O1 January 99 Edition O1 January 99 A 30 Technical characteristics Characteristics RSV 1002 RSV 1502 Pumping speed at 3000 rpm m3 h 1000 1500 Nominal flow rate 1 at 50 Hz at 3000 rpm m3 h 660 388 940 552 Nominal flow rate 1 at 60 Hz at 3600 rpm cfm 800
23. ion can also be checked at the exhaust by making sure gas is being forced out of the exhaust flange Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 1 Edition O1 January 99 C 10 Roots operation Prelimina ry preca utions The performance and operating safety of this product can only be guaranteed if it is operated according to normal conditions of use The vacuum pump is also a compressor incorrect operation may be dangerous Study the user manual before starting up the pump The pumps are designed to prevent any thermal risk for user safety However specific operating conditions may generate temperatures which may justify particular attention on the part of the user gt 70 C Product tightness is guaranteed for normal operating conditions when the product leaves the factory It is the user s responsibility to maintain the level of tightness particularly when pumping dangerous products N Check that the exhaust orifice is not blocked Example of operation Machines not fitted with variator can not be started up until the roughing pump has brought the chamber pressure down to the permissible startup pressure This pressure will depend on the flow rate ratio between the roughing pump and the Roots vacuum booster and the maximum permissible pressure difference AP The pump is fitted with During the first pumping phase from a pressure switch atmospheric pressure to P Chamber switching on
24. l 120 For a pump operation in clean process conditions we recommend mineral fluid Alcatel 120 For corrosive gases pumping we recommend synthetic fluid Alcatel 113 For any other application please contact Alcatel Mineral and synthetic oils cannot be used together Contact Alcatel or your service agent before making any changes Oil filling Housinde Motor Gearbox Total Nber of Keele side side capacity cans Roots 1002 0 7 1 3 2 see D 20 Roots 1502 0 7 1 3 2 see D 20 Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 2 Filling procedure B 40 Filling the machine oil housings Remove the fill plug on gear wheel casing 1 Position the funnel in the oil filler neck Fill the pump with oil as long as the oil level is in the middle of the sight glass 2 For this to be accurate wait a few minutes for the oil to settle over all internal surfaces Do not exceed the recommended quantities see page 1 2 Reset the fill plug securely Repeat this operation for filling the motor side casing 3 2 2 Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 Edition O1 January 99 Edition O1 January 99 Motor characteristics connection protection Three phase motor Electrical connections Terminal box 6 wires B 50 Power supply connection N Study the preliminary precautions see B 10 The information below is given a
25. pressure the Roots is to be evacuated stopped and the primary pump is pumping through the valve V1 As soon as the switching pressure of the pressure switch is reached the valve V1 is closed V2 opens and the Roots starts up In case of sudden pressure increasing the pressure switch isolates the Roots by closing the isolating valve V2 Roughing pump The pump is fitted with V1 and V2 valves are open The rotation speed of the pump a variator Monitored by the variator is in inverse proportion to AP The Roots reaches its nominal rotation speed and its maximum pumping speed as soon as the maximum authorized AP is reached In the same pumping conditions the requested chamber pressure is reached quicker Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 1 Edition O1 January 99 Recommandations D 10 Safety instruction related to maintenance This chapter describes the main preventive maintenance operations and provides a guide for first diagnosis in the event of an incident Standard precautions before any maintenance operation Before performing a maintenance operation switch off the pump by disconnect the mains cable CAUTION before any operation check the pumping conditions of the installation toxicity corrosion possible radioactivity of the pumped gases Product tightness is guaranteed upon leaving the factory for normal operating conditions It is the responsibility of th
26. s a recommendation The user must comply with the electrical standards or recommendations IEC VDE UL CSA etc applicable in the country in which the pump is used The use of electrical protection for the pump motor makes it possible to protect The motor in the event of excess voltage or rotor blocking the resulting excess current may destroy the coil and possibly the startup system The pump in the event of increased resistance Never protect a three phase motor with fuses not equipped with a differential system if three phase motors are powered on 2 phases without a differential system the motor could burn The pumps are equipped with 6 wires terminal box motors the wiring diagram of the terminals is given as a rough guide only In the event of doubt only the plate in the terminal box should be used as a reference Low voltage connection High voltage connection Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 2 Edition O1 January 99 Electrical protection circuit breakers rating Internal thermal protection Variator protection B 50 Power supply connection According to installation configuration Operation of the Roots with a pressure switch set to avoid the Roots startup with a pressure difference between inlet and exhaust higher than the recommended one use a thermal motor breaker type D with the following protection ratings IT 16A HT 10A c
27. with few water vapor Pumping of large volumes Metallurgy Space simulation Packaging Lazers Lighting Gas conditioning Research and Development Condensable vapors pumping Plastic chemistry Drying Vacuum impregnation N uclear industry Cosmetics Cleaning Freeze drying Gas conditioning Research and Development ADVANTAGES Q uality and reliability Low noise Canned motor concept Vacuum integrity Resistant to process gases and condensables Simplified maintenance Air cooled Alcatel Vacuum Technology France User s Manual ROOTS 1002 1502 1 1 Edition O1 January 99 Contents User s Manual Roots 1002 1502 Introduction Pump introduction EE A10 Roots pump operating principle A 20 Technical characteristics sss A 30 Accessories weg e c nte ci oc e ce n A 40 Start up Safety instructions 255 ree ae d Y x ea B 10 Unpacking Storage s uo REY B 20 Positioning the pump in the pumping installation B 30 Filling the machine oil housings B 40 Power supply connection 005 B50 Checking the direction of rotation and initial pump startup 4 nde tee gta en ecko one deoa B 60 Operation Roots operation EEN C 10 Maintenance Safety instruction related to maintenance D 10 Maintenance frequency D 20 Diagnosis and troubleshooting D 30 Maintenance sheet Roots pump draining via xx C RR s E 10 Appendix PUMPING CURVES AA eg o Cs G 10
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