Operating Instructions
Contents
1. 2 95 Da 100 01 VFT 25 ES E Rietschle ZV H ZER ZVF ZRV ZMS 1 5 95 VFT 25 100 01 Z 157 soll eagysnof upAyourediiy WeYIWwaUlediy BASEINISIOA ulsundeasey jedeeyejue y giesourediy ulyeponsnuy UU IIIlu Aog eps usaujediy IHHUSANYSIEYEL u01 u oq ulyjAyefons uliolloolN el eseso oyon el essnelloy el esesosnyniny el esajs au IWONS Hues winnoeA JeejsyeydasunndgeA 49 9W uinnopA 191199WS undsjoA 1 yM 1sS Lol JHOUSANISUBY j8 9ywinnoeA JOYAOOA TYOIPLUNNoeA Jeeidbuels jausAjabo wunnoeA de ubels nieL Japlayosyejoys Jys pwunnaoeA Jeejayeyos Dufaaeg 1040 195 BDIAIBS Jes op Ia u lj piliis 18S yasbulyyed spue OH SECELL X9I 1 OOEC6E 22920 SEI 0 c6 2ec9Z20 191 WHBUJGOUIS 3P96 Q 093 UIENSOA HquuoS negsjeleddy pun uaulyoseyy alyosja y JeueM DunyemJar dneH BuejsunnyeA je sossald 1J l 8uinnyeA yopabeiny eynidsye4 ddoidyons paw jeqey yur wnnyeA JoyysGuiuBnsul YeluunnyeA jsdd u ueis NUSAISIBELALUNnNYeA NUuaAySeg Juegd Neluunnyey 1el iqspp ysiololA S ESBDIAIBS sjess ull9AOUs sjeSS OPHIS syessBuiuyoed ysu As l qiSs OQNL olg1sonopA oujawonoeA QUOIZEOYUQN ID osseio asoyessesbu s d uo2 olu uipB o5 ID OARD OJONA p ololequ s O09l 82. L4A Buu O 001 08 L4A Buiy o G v oleja L JaI 10g Sweiz Ud SEYUSYOSIMZ LS eyed Sayeed opeig s ewe IA BUOIZILIENE quior yeysey Buniuoiq q oe 810J04 J0 0H 40 04 JOJOY E 001 08 LIA 001 08 LIA 001 08 LIA 001 08 LIA edwod ediog sdiog JapuyAd esneysy L ELISLJOS 0727 A1e p JUBWIa NOJa1 9109 pis unss iq p syn seg HE USWEpUOJ Hed seq ap slu uu l3 Vun jejuswepung yayu opun y LO 001 SZ LAA
3. are as follows but minimum s once a year Operating hours Grease Model 50 Hz 60 Hz every bearing VFT 25 60 7 000 7 000 4g VFT 80 4 000 4 000 6g VFT 100 4 000 3 000 6g VFT 140 250 4 000 3 000 8g VFT 340 500 4 000 3 000 10g Note These greasing instructions are valid for operation at 20 C ambient temperature At 40 C these should be reduced by 50 We recommend the following grease types Shell Alvania R3 Mobil Mobilux 3 BP Energrease LS3 Esso Beacon 3 Aral Aralub HL3 or other equal greases see label of recommended greases M 2 Air filtration pictures to AN The capacity of the pump could be reduced if the air inlet filters are not maintained correctly The filter cartridges f of the suction filter S have to be cleaned monthly and replaced once a year under extreme conditions more often Changing the filter Loosen thumb screws g Take off filter cover h complete with gasket Remove filter cartridges f and clean or exchange Reassemble In reverse order 3 Blades picture Checking blades The models VFT have 4 blades which have a low but permanent wear factor VFT 25 VFT 100 first check after 4 000 operating hours thereafter every 500 operating hours VFT 140 VFT 500 first check after 2 000 operating hours thereafter every 500 operating hours Screw off end cover e To remove the housing cover b from the housing the bolt a located in the centre of the bearing cover c should
4. be removed To facilitate this one of the fixing bolts s from the housing cover should be screwed Into the thread n the centre of the bearing cover c Remove the blades d and check All blades must have a minimum height X of Model X minimum hight VFT 25 40 22 mm VFT 60 25 mm VFT 80 100 30 mm VFT 140 250 40 mm VFT 340 500 60 mm Blades must be changed completly Note The VFT 500 has 2 blades per slot Changing blades if the minimum height X Is reached then the whole set of rotor blades should be changed Before refitting the blades blow out the housing and the rotor slots Place the blades with the radius outwards Y such that the bevel is in the direction of rotation O and corresponds with the radius of the housing Z Before refitting the housing cover b redistribute the grease from the bearing cover c on to the appropriate bearing It is important that the shaft end is completely clean so that no grease can enter the housing this could mix together with carbon dust and give a viscous paste which would result in blades being stuck into the rotor slots Note Care should be taken that the bearing should not become contaminated When re fitting the housing cover b tighten the bolts evenly so that the end cover fits correctly onto the fixing points When the end cover is almost touching the housing we recommend moving the fan n both directions whilst further tightening the bolts This can be achieved by removing the m
5. differ when compared with the data list depending on the motor type Les dimensions a et w ainsi que l amp rage peuvent diff rer des donn es indiqu es ci dessus selon le fabricant du moteur Le dimensioni a e g w come la corrente nominale possono scostars leggermente dai dati qui riportati a seconda del costruttore del motore 10 94 STR VFT 25 100 01 Rietschle E 157 1 1 94 HLS P6 ZH A MM 4n loui s S ld sep uonijsod ap ou Ile edde p adA eseu apuewwos ap seo ug ZH A M 4oloui ou way OU ELBS l poui ayBoIpul aseajd 1aps0 OL ZH A Mal JoroW IN SUOI ISO IN SUONeNUgeZ dA u q Bue sepuabjoj us ungarsag tog uut ujdou5S ZP962 C 0921 YORHSod Hqws neqajeieddy pun usuiyoseyy ajyoSjaly waa BunyemusaydneH s uiof q s nsn p S HId A sjeas q sped Suuesm IseJ A u 6uniuotq q li 1gJISJUOSISA A GEGELLXAAL 00EZ6E ZZ920 XE 0 Z68 ZZ920 IAL wozwend Qg geinsniyeqg A ZH A N 8J0 OW I iquuedei lap suo z sod ip ojguunu jl ejOoupewW IP awn ji ou auedIpUl u p10 N elaiuol ud an oral SIA uid p le uu L aqnesyosyNs 09 euoiziujen6 olj uy p youeL p ne uuy Buu Dugae Duunuog al e BANSNIUD IP SHA BOUyeINIGO SIA Enid BANEIYOS YISIOA 8r ojeWwog SIA Op 9191 qouy Jdouygqneuyssiaylg iv OW pOossoY Duude uoy JapayjaBoy 9p UOIZE JO IP OSU8S 109944 UOUEIO op SUBS uo9lj MOLE UONE OH PIIYOS I
6. the suction pipework should not be connected If the pump runs backwards with the pipework connected a pressure could build up within the housing which could result in damaged rotor blades 2 Connect the suction pipe at A For pipe work longer than 3m we recommend using non return valves ZRK to avoid reverse rotation when the units are switched off 3 Vacuum regulating valve optional extra The vacuum can be adjusted by turning the regulating valve C according to the symbols on the top of the regulating valve Potential risks for operating personnel Noise Emission The worst noise levels considering direction and intensity measured according to DIN 45635 part 3 as per 3 GSGV are shown in the table at the back When working permanently In the vicinity of an operating Pump we recommend wearing ear protection to avoid any damage to hearing VFT 250 01 o VFT 250 07 Maintenance and Servicing AN When maintaining these units and having such situations where personnel could be hurt by moving parts or by live electrical parts the pump must be isolated by totally disconnecting the electrical supply It is imperative that the unit cannot be re started during the maintenance operation Do not maintain a pump that is at its normal operating temperature as there is a danger from hot parts 1 Lubrication The lubrication points are L lubrication periods
7. 223 223 167 192 Pg 13 5 Pg 21 24 Bae 196 196 Ooo oo o mt G GU GT 2 1 93 Werner Rietschle Maschinen und Apparatebau GmbH _ Postfach 1260 D 79642 Schopfheim Tel 07622 392 0 Fax 07622 392300 Telex 773 225 3 oO KW S0Hz 3 KW 60 Hz 3x hb 3 D EE oe De 0 ee Tae ee a Ge 50Hz 1450 60 Hz 1740 dB A 50Hz 65 75 3003 276 06 ZVF 32 04 os 50Hz 160 100 2 60Hz 1607100 PE m h Saugvermogen Capac ty D bit Portata mbar abs max Endvakuum Ultimate vacuum max Vide limite maxi Vuoto finale massimo mbar abs Endvakuum Im Dauerbetrieb Ult vacuum on contin operation Vide limite en fonction continu Vuoto finale n esercizio perman mbar abs Ansaugdruck Suction pressure Pression d aspiration Pressione di aspirazione Motorausfuhrung Motor version Ex cution moteur Esecuzione motore Motorleistung Motor rating Puissance moteur Potenza motore Stromaufnahme Current drawn Intensit absorb e Corrente nominale Drehzahl Speed Vitesse rotation Numero giro mittl Schallpegel Average noise level Niveau sonore moyen Rumorosita media max Gewicht Weight max Poids maxi Peso massimo Zubehor Optional extras Accessoires Accessor Vakuum Regulierventil Vacuum regulation valve Valve r glage vide Valvola regolazione vuoto Ruckschlagventil Nonreturn valve Clapet ant retour Valvola d non ritorno Staubabscheider Dust separator Filtre separateur Separatore polveri Vakuumd
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10. Operating Instructions Vacuum pumps VFT 80 01 o VFT 80 07 o Pump ranges These operating instructions concern the following dry running rotary vane vacuum pumps Models VFT 25 to VFT 500 Version 01 cooling air exits through slots on the fan housing see pictures and Version 07 cooling air exits out of the spiral housing see pictures and The vacuum capacities at atmosphere are 25 40 60 80 100 140 180 250 340 and 500 m hr operating on 50 cycles The pumping curves showing capacity against pressure can be found tn data sheets D157 gt VFT 25 VFT 100 01 D158 MET 25 VFT 100 07 D167 gt VET 140 VFT 500 01 D168 VFT 140 VFT 500 07 Description All models are complete with an inlet threaded connection and a silencer on the exhaust except when the exhaust Is piped in to the spiral housing All the air handled is filtered by a built in micro fine filter A high efficiency cooling fan that pulls air in 1s situated between the pump housing and the motor On version 01 the fan is located in the fan housing see pictures and The heated cooling air F is totally directed out of the fan housing W On version 07 the fan is located in a spiral housing see pictures and In this case the heated cooling air F can be directed either upwards or to the side depending on the position of the spiral housing W It is also possible to connect ducting to the spiral housing s
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13. arting Solution Optional extra unloading valve model ZAE 1 4 Incorrect setting on the motor starter 1 5 Motor starter trips too fast Solution Use a motor starter with a time delay trip version as per ICE 947 4 1 6 Back pressure on the exhaust pipework Is excessive 2 Insufficient suction capacity 2 1 Inlet filters are obscured 2 2 Suction pipe work ts too long or too small 2 3 Leak on the pump or on the system 2 4 Blades are damaged 3 Vacuum pump does not reach ultimate vacuum 3 1 Check for leaks on the suction side of the pump or on the system 3 2 Blades are worn or damaged 4 Vacuum pump operates at an abnormally high temperature 4 1 Ambient or suction temperature too high 4 2 Cooling air flow is restricted 4 3 Problem as per 1 6 5 Unit emits abnormal noise 51 The pump cylinder is worn Solution send your complete unit off for repair to the supplier or approved service agent 5 2 The regulat ng valve if f tted s noisy Solution replace valve 5 3 Blades are damaged Appendix Repair on Site For all repairs on site an electrician must disconnect the motor so that an accidental start of the unit cannot happen All engineers are recommended to consult the original manufacturer or one of the subsidiaries agents or service agents The address of the nearest repair workshop can be obtained from the manufacturer on application After a repair or before re nstallation follow the instructions as s
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15. hown under the headings Installation and Initial Operation Lifting and Transport To lift and transport the vacuum pump the eye bolts on the housing and motor must be used If an eye bolt is missing use suitably rated strops The weight of the pumps are shown In the accompanying table Storage VFT units must be stored in dry ambient conditions with normal humidity We recommend for a relative humidity of over 80 that the pump should be stored in a closed container with the appropriate drying agents Disposal The fast wearing parts as listed in the spare parts lists should be disposed of with due regard to health and safety regulations Spare part lists E157 gt VFT 25 VFT 100 01 E167 VFT 140 VFT 500 01 E158 gt VFT 25 VFT 100 07 E168 gt VFT 140 VFT 500 07 LP F VFT 25 40 60 80 100 140 180 250 340 500 I 50 Hz 77 78 80 au 81 86 89 9 o 92 Noise level max dB A S 60 Hz 78 79 81 82 82 87 90 92 92 93 01 35 50 65 75 92 151 198 222 374 531 Weight max kg z 2 7 07 40 55 70 80 101 161 208 232 384 541 01 585 680 710 753 803 828 955 1074 1244 1445 Length max mm d 5 teen st 07 585 680 _ 709 754 804 847 955 1073 1244 1445 Width mm 933 333 383 431 437 566 566 566 702 712 01 254 254 292 319 319 450 450 450 575 575 Height max mm 07 305 305 343 363 363 647 647 647 807 807
16. ichtes Ansaugfilter Vacuum tight suction filter Filtre d aspiration tanche Filtro ermetico sull aspirazione Motorschutzschalter Motor starter Disjoncteur moteur Interruttore magnetotermico 92 25 o T N EN EN Gi 4 O NN IN IN SS N no i 800 1000 800 1000 mbar abs mbar abs bezogen auf den Zustand Im Sauganschlu related to suction conditions at inlet connection Relatif l tat regnant l asp ration riferito alle condizioni in aspirazione Kennlinien und Tabellenangaben beziehen sich auf betriebswarme Vakuumpumpen Curves and tables refer to vacuum pump at normal operating temperature Les courbes et tableaux sont tablis pompe a temp rature de fonctionnement Le curve caratteristiche ed dati riportati nelle tabelle si riferiscono alle pompe per vuoto con funzionamento a regime Technische Anderungen vorbehalten We reserve the right to alter technical information Sous r serve de modification technique Salvo modifiche tecniche Die Abmessungen a und w sowie die Stromaufnahme konnen je nach Motorfabrikat von den hter aufgefuhrten Angaben abweichen The dimensions a and o w and or the current drawn can
17. nysig yosjneg Rietschle Vakuum Vacuum Pompes Pompe VFT 01 pumpen Pumps vide per vuoto VFT 25 01 VFT 40 01 VFT 60 01 VFT 80 01 p L VFT 100 01 mmm Kar E A dn HHHHEHN F el m ASE B HHHHHRH gt A be A s d mm A Vakuum Anschlu Vacuum connection Raccord du vide Attacco vuoto B Abluft Austritt Exhaust Refoulement Scarico aria C AnschluBmoglichkeit fur Connecting possibility Possibilit de raccordement Possibilita di allaciamento Vakuum Regulierventil for regulation valve pour valve de r glage du vide per valvola regolazione vuoto E Kuhlluft Eintritt Cooling air entry Entr e air refroidissement Entrata aria di raffredd F K nhlluft Austritt Cooling air exit Sortie air refroidissement Uscita aria di raffredd L Schmierstellen Greasing points Points de gra ssage Punti di lubrificazione M Schmierschild Greas ng label Etiquette graissage Targhetta della lubrificazione N Datenschild Data plate Etiquette caract ristique Targhetta dati O Drehrichtungsschild Direction of rotation Fl che sens rotation Targhetta senso rotazione e ve LS La o 6 to mm S 803 a ES 585 680 ee a el Se l 441 EE EEN 383 437 292 319 Oo a EE D 46 O 133 137 e 203 270 f 170 200 EEE C gu 229 244 244 164 204 204 240 240 240 DE EE s RER 131 320 335 360 2 n a en 208 214 er a eS a
18. o that the cooling air F can be transported away from the unit All the pumps are driven by a direct flanged three phase standard TEFV motor via a pin and bush coupling Optional extras As required vacuum regulating valve ZRV non return valve ZRK inlet dust filter ZFP vacuum tight suction filter ZVF motor starter ZMS star delta starter ZSG unloading valve ZAE and various vacuum gauges Suitability The VFT can be used for the evacuation of a closed system or for a permanent vacuum from 150 to 1000 mbar abs A maximum vacuum of 100 mbar abs is possible on intermittent operation The ambient and suction temperatures must be between 5 and 40 C For temperatures outside this range please contact your supplier These dry running vacuum pumps are suitable for use with air of a relative humidity of 30 to 90 No dangerous mixtures i e flammable or explosive gases or vapours extremely humid air water vapour aggressive gases or traces of oil and grease can be handled All applications where an unplanned shut down of the vacuum pump could possibly cause harm to persons or installations then the corresponding safety backup system must be installed Handling and Setting up Pumps that have reached operating temperature may have a surface temperature at position Q of more than 70 C WARNING Do Not Touch see pictures and The filter housing S exhaust box T housing cover b and greasing points L must all be ea
19. on follow any relevant national standards that are in operation 1 Vacuum connection at A The air handled can be exhausted into the atmosphere through the exhaust port B or on models VFT 140 500 07 by d recting the a r through N the spiral housing W3 N Long and or small bore pipework should be avoided as this tends to reduce the capacity of the pump 2 The electrical data can be found on the data plate N or the motor data plate The motors correspond to DIN VDE 0530 and have IP 54 protection and insulation class B or F The connection diagram can be found in the terminal box on the motor unless a special plug connection is fitted Check the electrical data of the motor for compatibility with your available supply voltage frequency permissible current etc 3 Connect the motor via a motor starter It is advisable to use thermal overload motor starters to protect the motor and wiring All cabling used on starters should be secured with good quality cable clamps We recommend that motor starters should be used that are fitted with a time delayed trip resulting from running beyond the amperage setting When the unit ts started cold overamperage may occur for a short time AN Electrical connections should only be made by qualified electricians Initial Operation pictures to 1 Initially switch the pump on and off for a few seconds to check the direction of rotation against the direction arrow O Note On this initial start
20. otor fan cover This then ensures that the blades are sitting correctly in their slots and avoids any edge damage Refit the end cover e 5 Coupling picture The coupling rubbers k are wearing parts and should be checked regularly When the coupling rubbers are worn this can be detected by a knocking sound when the vacuum pump is started Defective coupling rubbers can cause extensive damage and even in some extreme cases break the rotor shaft To check the coupling stop the motor m and isolate Remove the screws ss on the motor flange n For motors secured by the feet screws ss should also be removed Pull off the motor together with the motor side coupling half q If the coupling rubbers k are damaged remove the circlips l from the coupling bolt r and exchange the coupling rubbers k Leave the spacer p in place check the coupling bolts r for any wear and replace if necessary To replace remove the c rcl p I pull off the coupling and fan v complete from the pumpshaft remove the nut w with washer u and exchange the coupling bolts Re assemble in reverse order Trouble Shooting 1 Motor starter cuts out vacuum pump 1 1 Check that the incoming voltage and frequency corresponds with the motor data plate 1 2 Check the connections on the motor terminal block 1 3 Pump is trying to operate against a closed exhaust or without an unloading valve on start delta st
21. sily accessible For maintenance purposes we recommend a space of 0 4 m in front of the filter housing and housing cover The cooling air entries E and the cooling air exits F must have a minimum distance of 20 cm from any obstruction The discharged cooling air must not be recirculated If the cooling air exits from the spiral housing W via ducting then care should be taken so that the passage of air is not obscured see pictures to The VFT pumps can only be operated reliably if they are installed horizontally For installations that are higher than 1000 m above sea level there will be a loss in capacity For further advice please contact your supplier Installed on a solid base these pumps may be installed without fixing down If the pumps are installed on a base plate we would recommend fitting anti vibration mounts This range of vacuum pumps are almost vibration free in operation VFT VFT 25 VFT 40 VFT 60 VFT 80 VFT 100 VFT 140 VFT 180 VFT 250 VFT 340 VFT 500 BE 157 1 1 95 Rietschle Postfach 1260 D 79642 Schopfheim Tel 07622 392 0 Fax 07622 392300 Telex 773225 Rietschle UK Limited Unit M PWDC Paddock Wood Kent TN12 6UU Tel 01892 835237 Fax 01892 834643 m TI VFT 250 01 VFT 250 07 O FLM N TA E E O W s wa L Installation pictures to IN For operating and installati
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