Leybold vacuum TURBOTRONIK NT 10 Operating Instructions Manual
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– 15 –© LEYBOLD VAKUUM GMBH GA 05.212/10 - 09/00CautionIf TURBOVAC 50D is used without the resonance monitoringfunction, this can lead to bearing damage.Further, the assignment of the control inputs can be changed sothat the motor frequency of the TURBOVAC can be measured,also refer to Section 5.8.3.2 Installing TURBOTRONIKMount the TURBOTRONIK using M3 bolts. The cover has 4 holesfor this purpose, refer to Fig. 4, Dimension drawings.Ensure that the equipment is adequately ventilated! In operation,it is not permissible that the ambient temperature exceeds 40°C.3.3 Electrical connectionThe supply, the TURBOVAC, relays and control inputs areconnected via the plug connector strip at the rear of the unit;refer to Fig. 6 for the pin assignment.CautionThe line supply voltage can be present at various locations ofthe connector strip. Only touch the connector connections whenthe TURBOTRONIK is isolated from the line supply.A mating connector to the plug connector strip is supplied withthe connecting cable to TURBOVAC. Connect the connecting ablein accordance with the attached drawing “installation information,pump cable”.If you assemble you own connecting cable, observe that it canbe a maximum of 100 m long. Only use double screened cableswith the appropriate insulation. If you require any furtherinformation please inquire.CautionHigh discharge currents! If the connecting cable between theTURBOVAC and TURBOTRONIK is longer than 10 m, protectiveground must be connected to both units.3.3.1 Connecting the relay contactsThe “NORMAL” and “ACCEL” (acceleration) operating statusescan be interrogated at pins 8 and 10.∑ Pins 8-10 closed: “NORMAL”∑ Pins 8-10 open: “ACCEL”, standstill or faultWhen a fault occurs, relay 2 pulls-in and pins 12 and 14 arejumpered (NO contact).TURBOTRONIK NT12 CONNECTION AND OPERATION 3TipWe recommend that if youchange the relay assignment orif the resonance monitoringfunction is disabled, then thisshould either be noted on theequipment itself, ordocumented in the associatedInstruction Manual.Protective conductorconnection |
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