Pfeiffer DUO 20 M Operating Instructions Manual Download Page 26 | Manualshive

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26

Malfunctions

9 Malfunctions

Please note the following instructions should the pump malfunction:

CAUTION

Hot surface!

Danger of burns if hot parts are touched. The surface temperature of the pump may rise
above 105 °C in case of malfunction.



Carry out work on the pump only after it has cooled to a safe temperature.

NOTICE

Motor overload!

Depending on the malfunction (e.g. blocking during cold start), the motor may not be
sufficiently protected by the built-in thermal protection switch from damage through
overheating.



Implement an additional network safety device.

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Summary of Contents for DUO 20 M

Page 1: ...Translation of the original instructions Operating Instructions EN PK 0203 BEN L 1208 DUO 20 M DUO 20 MC Rotary Vane Pump...

Page 2: ...he mains power supply 11 5 5 Filling up the operating fluid 15 5 6 Operations monitoring Option 16 6 Operation 17 6 1 Before switching on the pump 17 6 2 Switching on the pump 17 6 3 Pumping condensab...

Page 3: ...ng instructions are the result of risk evaluations and hazard analyses and are oriented on international certification stan dards as specified by UL CSA ANSI Z 535 SEMI S1 ISO 3864 and DIN 4844 In thi...

Page 4: ...Exhaust flange Gas ballast valve Power connection Prohibition of an action or activity in connection with a source of danger the disregarding of which may result in serious accidents Warning of a disp...

Page 5: ...mbled components of the magnetic coupling separate at all times Danger of crushing Do not allow any magnetised parts into the vicinity of the magnetic coupling Danger of injury 2 2 Protective equipmen...

Page 6: ...atibility levels of the pump pumping of substances that tend to sublime use of the vacuum pump to generate pressure pumping of liquids the use of operating fluids not specified by Pfeiffer Vacuum conn...

Page 7: ...e top side of the pump to lift the pump Is the pumps weight 25 kg lift the pump by a crane Fig 1 Transporting the pump 3 2 Storage Check that all the openings on the pump are securely closed Store the...

Page 8: ...y Pump with motor power cord power switch dependent on the motor type Operating fluid P3 for standard pump Cone strainer and centering ring with O ring Locking cap for vacuum and exhaust flange Operat...

Page 9: ...hamber vacuum tight and at the same time vents the pump The integrated magnetic coupling functions free of contact and friction Therefore it is not subjected to any mechanical wear and is completely m...

Page 10: ...t be visible 5 2 Connecting the vacuum side Remove locking cap from the vacuum flange pay attention to the cone strainer and the respective O ring in the intake port The connection between the pump an...

Page 11: ...poisoning from emitted gases or vapours which can be detrimental to health and or can pollute the environment depending on the particular application Comply with the applicable regulations when worki...

Page 12: ...with slow characteristics The transmission power of the pump s magnetic coupling is so great that there is no overload protection for the motor NOTICE Overvoltage An incorrect voltage range setting c...

Page 13: ...is the cube root of the coil voltage the mains and the coil current are the same Star connec tions are denoted by the symbol Y Fig 7 Motor coil and connecting plate of Star Connection for high voltag...

Page 14: ...tions so that the directional rotation indicated on the pump is main tained regardless of the representations in the current flow diagram Fig 8 Connection example for a three phase AC motor with PTC r...

Page 15: ...ing operations within the markings at the sight glass frame Fig 9 Filling up the operating fluid Screw in operating fluid filler screw 198 Check operating fluid level only when the pump is warm and ru...

Page 16: ...h opens The signal can be used to con trol external valves Fig 10 Installation location and circuit diagram of pressure switch Switch off the pump Unscrew and remove locking screw 142 on the support R...

Page 17: ...ld the process gases contain condensable gases present at high percentages the rotary vane pump must be operated with gas ballast i e with an open gas ballast valve Gas ballast valve standard version...

Page 18: ...s at the flushing gas connection Set flushing gas pressure maximum pressure 1 5 bar absolute Select the type and amount of flushing gas depending on the process consult Pfei ffer Vacuum if necessary 0...

Page 19: ...Maintaining the vac uum in the chamber NOTICE Danger of backflow of operating fluid into the intake line Contamination of the connected vacuum system Vent the vacuum chamber within 30 s regardless of...

Page 20: ...is disassem bled Persons with cardiac pacemakers must not enter the area 2m of the magnetic field Rooms in which open couplings are accessible must be identified No trespassing for persons with heart...

Page 21: ...rs as required at least every 4 years Check operating fluid level X Visual inspection leak tightness oil leaks X Check filter insert of external oil mist filter if existent X Change filter insert of e...

Page 22: ...a Fig 13 Draining the operating fluid Screw in operating fluid drain screw 198a pay attention to O ring Screw in operating fluid filler screw 198 Depending on the applications Pfeiffer Vacuum recommen...

Page 23: ...of the sight glass Operate the pump with the gas ballast open until the pump has warmed up Drain the operating fluid again and check for contamination flush again if necessary Screw the operating flui...

Page 24: ...mantling Unscrew 2 cheesehead screws 182 from the gas ballast valve housing Remove the gas ballast valve housing 42 from the casing taking care with O ring 148 Unscrew silencer nozzle 44 and O ring 13...

Page 25: ...ing the pump Do not store pump in the vicinity of machines lanes etc because strong vibrations can damage the rotor bearings 8 2 Re starting 8 3 Disposal Products or parts thereof mechanical and elect...

Page 26: ...ure of the pump may rise above 105 C in case of malfunction Carry out work on the pump only after it has cooled to a safe temperature NOTICE Motor overload Depending on the malfunction e g blocking du...

Page 27: ...mponents for con tamination Operating fluid dirty Operate pump for a longer period with gas ballast valve open or change operating fluid Leak in system Repair leak Operating fluid filling level too lo...

Page 28: ...t in the shipment required Dismantle all accessories Drain operating fluid lubricant Drain cooling medium if used Send the pump or unit in its original packaging if possible Sending of contaminated pu...

Page 29: ...from A PK E32 011 T PK E30 008 T 7 8 9 10 32 44 51 102 106 110 114 193 195 DUO 20 MC without as from A PK E32 013 T PK E30 008 T 7 8 9 10 32 44 51 102 106 110 114 193 195 Vacuum safety valve DUO 20M D...

Page 30: ...ate 104 Valve trap 106 Hydraulic piston 108 Compression spring 110 Sight glass 112 Sight glass seal 114 Rubber foot 116 Flange 138 O ring 141 O ring 144 O ring 147 O ring 148 O ring 149 O ring 152 O r...

Page 31: ...ing oil pressure switch PK 196 484 T Barretter actuation unit 3TF P 4768 051 FQ Operations monitoring unit 3 operating fluid level operating fluid temperature ex haust pressure PK 196 141 T Operations...

Page 32: ...Yes with 2 m cable and safe ty plug Yes with 2 m mains cable and safety plug Operating fluid filling 1 1 l 1 1 l Weight 43 5 kg 43 5 kg Parameter DUO 20 M 3 phase motor 3TF DUO 20 MC 3 phase mo tor 3T...

Page 33: ...112 140 7 7 3 178 113 238 A 252 H 18 1 13 134 166 8 99 77 5 266 113 191 DN 25 ISO KF 5 76 5 Pump with three phase motor Pump with single phase motor A 542 mm 547 5 1 mm H 212 without motor protection...

Page 34: ...ble for compiling the technical documentation is Mr Sebastian Ober beck Pfeiffer Vacuum GmbH Berliner Stra e 43 35614 A lar DuoLine DuoLine DUO 20 M MC Guidelines harmonised standards and national sta...

Page 35: ...ngineering art competent advice and reliable services Ever since the invention of the turbopump we ve been setting standards in our industry And this claim to leadership will continue to drive us in t...

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