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HNP Mikrosysteme mzr-2521 Operating Manual

Micro annular gear pumps
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Operating manual for micro annular gear pumps
mzr-2521 and mzr-2921
HNP Mikrosysteme GmbH
Bleicherufer 25
D-19053 Schwerin
Phone: 0385/52190-301
Fax:
E-mail: info@hnp-mikrosysteme.de
http://www.hnp-mikrosysteme.de
Last update: June 2019
0385/52190-333

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  • Page 1 Operating manual for micro annular gear pumps mzr-2521 and mzr-2921 HNP Mikrosysteme GmbH Bleicherufer 25 D-19053 Schwerin Phone: 0385/52190-301 Fax: 0385/52190-333 E-mail: info@hnp-mikrosysteme.de http://www.hnp-mikrosysteme.de Last update: June 2019...
  • Page 2 Bleicherufer 25 D-19053 Schwerin All rights, including translation, reserved. Without prior explicit written permission of HNP Mikrosysteme GmbH no part of this manual may be, copied, reproduced or processed. This manual has been prepared with care. HNP Mikrosysteme does assume no liability for any errors in this manual and resulting consequences.

  • Page 3: Table Of Contents

    Contents Operating manual mzr-2521 and mzr-2921 Contents General information Application scope of the pumps Product information Measurements Flow charts Technical data of the micro annular gear pump mzr- 2521 and mzr-2921 Technical data of the drive Safety instructions Safety symbols in this operating manual...
  • Page 4 Contents Operating manual mzr-2521 and mzr-2921 6.3.2 Installation with the manifold assembly 6.3.3 Assembly instruction for tubing and accessories manifold assembly Filter selection and use Operation with the S-ND control unit Operation with the S-KD control unit (optional) Operation with the S-KG control unit (optional)
  • Page 5 Contents Operating manual mzr-2521 and mzr-2921 18.2 Declaration of media in contact with the micro annular gear pump 18.3 Shipment Declaration of media in contact with the micro annular gear pump and its components Appendix Last update: June 2019...

  • Page 7: General Information

    Application scope of the pumps The micro annular gear pumps mzr-2521 and mzr-2921 described in this manual are suitable for continuous delivery and discrete dosage of water, watery solutions, solvents, methanol, oils, lubricating liquids, paints and varnishes as well as many other liquids.
  • Page 8 1 General information Operating manual mzr-2521 and mzr-2921 The date of release of the present manual figures on the cover. Technical data subject to change without prior notice! Last update: June 2019...

  • Page 9: Measurements

    1 Measurements of the micro annular gear pumps mzr-2521 and mzr-2921, version with fluid connections, slip fitting Ø 2 mm figure 2 Measurements of the micro annular gear pumps mzr-2521 and mzr-2921 with the manifold assembly M2...

  • Page 10: Flow Charts

    1 General information Operating manual mzr-2521 and mzr-2921 Flow charts Liquid water Liquid oil Liquid water Liquid oil Viscosity 16 mPas Viscosity 1 mPas Speed [rpm] Speed [rpm] 6000 6000 5000 5000 4000 4000 3000 3000 2000 2000 1000 1000...

  • Page 11: Technical Data Of The Micro Annular Gear Pump Mzr-2521 And Mzr-2921

    Coefficient of variation NPSHR Net Positive Suction Head Required table 1 Technical data and performance parameters of the micro annular gear pumps mzr-2521 and mzr-2921 Warning The material property of a liquid (e.g. viscosity, lubricating property, particle content, corrosiveness) impacts the technical data and the service life of pumps.

  • Page 12: Technical Data Of The Drive

    Operating manual mzr-2521 and mzr-2921 Technical data of the drive The micro annular gear pumps mzr-2521 and mzr-2921 are driven by DC motors with graphite brushes. The motors are highly dynamic and suitable for programmed dosage tasks performed by the micro annular gear pump.
  • Page 13 1 General information Operating manual mzr-2521 and mzr-2921 The standard motor is delivered with a 16 counts per turn digital magnet encoder. Encoder Voltage supply Vcc 3.8 -- - 24 VDC Number of channels A, B Counts per turn Output signal Vcc = 5 VDC...

  • Page 14: Safety Instructions

    2 Safety instructions Operating manual mzr-2521 and mzr-2921 Safety instructions Please comply not only with the general safety instructions listed below, but also with specific safety instructions mentioned in the following chapters. Safety symbols in this operating manual Non respect of the safety instructions marked with the following signs represents...

  • Page 15: Safety Instructions For The Operator

    Please provide for an adequate air ventilation and thus cooling of the motor. The micro annular gear pumps mzr-2521 and mzr-2921 must not be used in areas exposed to explosion risks or in proximity of inflammable gases and vapors.

  • Page 16: Improper Modes Of Operation

    2 Safety instructions Operating manual mzr-2521 and mzr-2921 Improper modes of operation The safety of operation of the delivered device can only be insured by correct use, as described in chapter 1. The limit values given in this manual must not be exceeded in any case.

  • Page 17: Transport And Intermediate Storage

    Transport In order to avoid any transport-related damage, the package must be protected against shocks. HNP Mikrosysteme guarantees that all goods leave the factory in the best condition. Any noticed damage should be reported to the concerned forwarding agent, authorized dealer or to HNP Mikrosysteme as manufacturer.

  • Page 18: Description Of The Micro Annular Gear Pump

    4 Description of the micro annular gear pump Operating manual mzr-2521 and mzr-2921 Description of the micro annular gear pump Operating principle of the micro annular gear pump Micro annular gear pumps are positive displacement pumps. They contain two rotors bearing slightly eccentrically to each other; an externally toothed internal rotor and an annular, internally toothed external rotor (see figure 6).
  • Page 19 1080 table 5 Theoretical flow rate of the micro annular gear pumps mzr-2521 and mzr-2921 The pressure generated by the pump is determined by the configuration of the liquid delivery system and results from both the hydraulic pressure and the hydraulic resistance (tubing, narrow passes etc.).

  • Page 20: Construction

    8 Layout of the micro annular gear pumps mzr-2521 and mzr-2921 Construction materials Wetted parts Construction material Housing stainless steel 316L (1.4404) (optional: nickel silver), epoxy resin, adhesive Fluid connectors stainless steel 316L (1.4404)

  • Page 21: Liquid Supply

    4 Description of the micro annular gear pump Operating manual mzr-2521 and mzr-2921 Liquid supply The micro annular gear pump head is available with two different liquid connector versions. Slip fittings The micro annular gear pump head is equipped with two front slip fittings with OD 2 mm for connection of flexible tubes with the ID <...
  • Page 22 4 Description of the micro annular gear pump Operating manual mzr-2521 and mzr-2921 Installation space version mzr-2521 M2 and mzr-2921 M2 1 1 ,5 0,1 0 1 ,5 0,05 0,05 A 1 ,5 0,05 A - 0,2 Flat f ace (Ra 0,8) x 45°...
  • Page 23 4 Description of the micro annular gear pump Operating manual mzr-2521 and mzr-2921 cap nut casing fluid connection seal O-ring Ø 1 ,5x1 mm figure 11 Pump after installation with both gaskets (version M2) In order to prevent foreign bodies from penetrating into the pump, the liquid inlet and outlet are protected by plastic plugs or screws.

  • Page 24: Optional Modules

    5 Optional modules Operating manual mzr-2521 and mzr-2921 Optional modules The spectrum of applications of the low pressure micro annular gear pump series may be expanded by using different additional modules. The modules allow for special dosage tasks, which could otherwise not be accomplished with a standard pump version.

  • Page 25: Gear Box Module (Optional)

    12 Micro annular gear pump mzr-2921 with the gear box module figure 13 Measurements of the micro annular gear pump mzr-2521 or mzr-2921 with the gear box module Gear reduction Length of the gear box Total length of the...

  • Page 26: By-Pass Module (Optional)

    5 Optional modules Operating manual mzr-2521 and mzr-2921 By-pass module (optional) The by-pass module allows constant minimal volume dosage with flow rates in the nanoliter range. The technology is based on the division of flow generated by the micro annular gear pump, according to the relationship of fluidic resistance of two predefined capillaries.
  • Page 27 5 Optional modules Operating manual mzr-2521 and mzr-2921 mzr-2521 / mzr-2921 Master capillary ID: 0.25…0.5 mm By-pass socket stainless steel 316L with a manifold assembly, Length: 80…300 mm fixture openings 4 x M3 ( 22 mm) Return line to the liquid tank Side capillary ID: 0.064…0.25 mm...

  • Page 28: Drive Without Encoder (Optional)

    The drive without encoder has been designed for use in a close circuit in which the pump works as a simple actuator. position not defined figure 16 Measurements of the micro annular gear pump mzr-2521 or mzr-2921 without encoder Technical data subject to change without prior notice! Last update: June 2019...

  • Page 29: Drive With A High Resolution Encoder (Optional)

    10 Technical data of the high definition MR-encoder Micro annular gear pumps mzr-2521 and mzr-2921 with a high resolution encoder have the same measurements as a standard pump. Please pay attention to the changing encoder setting during the programming and adjustment of the micro annular gear pumps.

  • Page 30: Stepper Motor Drive (Optional)

    Technical data of the stepper motor figure 18 Measurements of the micro annular gear pump mzr-2521 and mzr-2921 with the stepper motor The stepper motor can be operated with an adapted control unit. For this purpose the motor should be connected with a ribbon cable to the solder joint of the control unit.

  • Page 31: Brushless Dc Motor As Drive (Option)

    Voltage +5 V Ground SGND black table 14 Pin configuration of the motor figure 20 Measurements of the micro annular gear pump mzr-2521 or mzr-2921 with a brushless DC-motor Last update: June 2019 Technical data subject to change without prior notice!
  • Page 32 Operating manual mzr-2521 and mzr-2921 Please notice that the brushless DC motors must imperatively be operated with an adapted control unit! The micro annular gear pumps mzr-2521 and mzr-2921 can be delivered for this purpose with optional control units S-BL.

  • Page 33: System Integration

    − Operating temperature range If you notice any difference between the required and the delivered pump type, please contact HNP Mikrosysteme. Do not put the pump into operation without prior approval. Mounting of the micro annular gear pump The favored mounting position of the micro annular gear pump is horizontal.

  • Page 34: General Instructions For The Assembly Of The Liquid Supply Network

    Pay attention to the correct assembly of the tubing and the pump head in order to keep the default direction of flow. If you wish to operate the pump in a reverse direction, please contact one of HNP Mikrosysteme's application engineers since it is not possible in every case.

  • Page 35: 6.3.3 Assembly Instruction For Tubing And Accessories Manifold Assembly

    6 System integration Operating manual mzr-2521 and mzr-2921 3. In order to avoid dry operation of the device, provide before each operation for a sufficient liquid supply. Dry run of the micro annular gear pump may damage in particular the bearing Warning and the sealing.

  • Page 36: Filter Selection And Use

    HNP Mikrosysteme offers a choice of standard filters covering a broad spectrum of applications. You may count on our assistance for the selection of the most suitable filter.

  • Page 37: Operation With The S-Nd Control Unit

    Operating manual mzr-2521 and mzr-2921 Operation with the S-ND control unit The micro annular gear pumps mzr-2521 and mzr-2921 may optionally be delivered with the S-ND control unit. This programmable control unit enables to adjust speed for constant flow rates or the position of the motor for the dosage of constant amounts of liquid.
  • Page 38 PC figure 22 Connection of the micro annular gear pump mzr-2521 or mzr-2921 and the S-ND control unit Connect the motor cable to the 10-pole connector of the S-ND control unit. The pin configuration is indicated in table 3.
  • Page 39 6 System integration Operating manual mzr-2521 and mzr-2921 Remarks: − It is possible to adjust speed of the micro annular gear pump with the potentiometer without the need to connect the serial interface. − With the analog nominal value input (connection clamps »AnIN« and »GND«) it is possible to adjust speed of the pump with a standard signal 0-10°V.
  • Page 40 6 System integration Operating manual mzr-2521 and mzr-2921 Connect the RS-232 port of the controller S-ND 2 with the RS-232 of the controller S-ND 1. For this purpose use the delivered 9-pole RS-232 connection cable. Connect the In Port of the RS-232 connection cable with a free serial interface of a PC.

  • Page 41: Operation With The S-Kd Control Unit (Optional)

    Startup of the micro annular gear pump adapter board pump external voltage 24 VDC / 2 A figure 24 Connection of the micro annular gear pump mzr-2521 and mzr-2921 to the S-KD control unit Last update: June 2019 Technical data subject to change without prior notice!
  • Page 42 6 System integration Operating manual mzr-2521 and mzr-2921 Warning At the startup of the motor control unit S-KD please pay attention to the following technical description. At the delivery of the S-KD motor control unit with the connection board and integrated potentiometer 50 kΩ...
  • Page 43 While connecting the DC voltage pay attention to the correct polarity, otherwise electronics may be damaged. Remark: The internal potentiometer of the control unit is preset for operation with the micro annular gear pumps mzr-2521 and mzr-2921 and for operation with the external potentiometer. Function Potentiometer set...

  • Page 44: Operation With The S-Kg Control Unit (Optional)

    HNP Mikrosysteme. The S-KG motor control unit based on a high capacity 16-Bit microcontroller, which may be precisely adjusted also at low motor speeds.
  • Page 45 6 System integration Operating manual mzr-2521 and mzr-2921 Technical data General technical data Type of control unit 4-Q servo amplifier Nominal voltage Power supply 10 - 24 ≤ 3 % Residual ripple Max. continuous output current 0.5 * continuous Max. peak output current Total standby current 0.02...
  • Page 46 6 System integration Operating manual mzr-2521 and mzr-2921 Meaning green Voltage supply to the control unit is correct, no error blinking red Current limitation or blockage of the motor blinking green and red Too high speed divergence, pump blockage or encoder error...
  • Page 47 U_enc 4...24 VDC Remark: The micro annular gear pumps mzr-2521, mzr-2921 and mzr-4622 are equipped by default with a 10-pole motor connector. For the S-KG control unit a 6-pole motor connector has been used for a more compact design. In order to allow connection of the micro annular gear pump to the S-KG control unit, the latter is delivered with an adapter cable.

  • Page 48: Operation With The S-Bl Control Unit (Optional)

    Operating manual mzr-2521 and mzr-2921 Operation with the S-BL control unit (optional) The micro annular gear pumps mzr-2521 and mzr-2921 with brushless DC motor as drive be delivered with the S-BL control unit. This programmable control unit enables to adjust speed for constant flow rates or the position of the motor for the dosage of constant amounts of liquid.
  • Page 49 PC figure 29 Connection of the micro annular gear pump mzr-2521 or mzr-2921 and the S-BL control unit Connect the motor cable to the 6-pole connector of the S-BL control unit. The pin configuration is indicated in table 14 and table 25.
  • Page 50 6 System integration Operating manual mzr-2521 and mzr-2921 Remarks: − It is possible to adjust speed of the micro annular gear pump with the potentiometer without the need to connect the serial interface. − With the analog nominal value input (connection clamps »AnIN« and »GND«) it is possible to adjust speed of the pump with a standard signal 0-10°V.

  • Page 51: The Startup/Shutdown Of A Pump

    7 The startup/shutdown of a pump Operating manual mzr-2521 and mzr-2921 The startup/shutdown of a pump Preparing for operation After the liquid supply system had been completed, please check once again the operating conditions of the micro annular gear pump as according to the following points: −...
  • Page 52 7 The startup/shutdown of a pump Operating manual mzr-2521 and mzr-2921 Flushing cycle Selection of flushing liquid (FL) Right see table 26 (Selection of the flushing liquid) flushing liquid Is the see table 28 (Resistance of the sealing materials) pump...
  • Page 53 7 The startup/shutdown of a pump Operating manual mzr-2521 and mzr-2921 Nature of the handled liquid Flushing cycle Suitable flushing liquid [min] Oils, fats, plastifiers 15-20 isopropanol, ethanol, acetone, benzine Solvents (polar + nonpolar) 5-10 isopropanol, ethanol Other organic liquids...

  • Page 54: Shutdown Of The Micro Annular Gear Pump

    7 The startup/shutdown of a pump Operating manual mzr-2521 and mzr-2921 Shutdown of the micro annular gear pump During the shutdown of the pump the following steps should be followed − Flush the pump with a filtered and particle-free flushing liquid (solvent) (see chapter 7.3)
  • Page 55 7 The startup/shutdown of a pump Operating manual mzr-2521 and mzr-2921 End of test/operation Flushing cycle Drain the pump Selection of flushing liquid (FL) Pump Right requires see table 27 flushing flushing? liquid Flushing cycle Is the see table 28...

  • Page 56: 7.4.1 Conservation

    7 The startup/shutdown of a pump Operating manual mzr-2521 and mzr-2921 7.4.1 Conservation If the micro annular gear pump operates at irregular intervals or for other reasons should be put out of operation for a longer period, it should, after service and flushing procedure (see chapter 7.3), be filled in with a suitable conservation...

  • Page 57: 7.4.2 Dismantling Of The System

    7 The startup/shutdown of a pump Operating manual mzr-2521 and mzr-2921 Liquids isopropanol solvent for organic compounds, cosmetics, essential oils, waxes and esters, antifreezers, antiseptic agents acetone solvent for a number of organic compounds, unlimited solubility in water, dissolves natural and synthetic resins, fats,...

  • Page 58: Trouble Shooting

    − by changing the operating direction of the pump. If these measures turn out to be ineffective, please contact the service staff of HNP Mikrosysteme (see chapter 16) and send the pump back to the manufacturer for inspection. You should under no condition try to dismantle the pump by yourself. This...

  • Page 59: Software "Mzr-Pump Control

    After a successful installation the program »mzr-pump control« can be found in the start menu under »Programs - HNP Mikrosysteme«. After the program had been initiated, data such as the pump type »mzr-2521« and »mzr-2921«, the encoder resolution and the gear reduction should be set.
  • Page 60 8 Software »mzr-pump control« Operating manual mzr-2521 and mzr-2921 according to the volume or weight of the delivered liquid. The calibration factor may be calculated according to the following formula: Desired quantity Desired delivery value Calibratio factor Actual quantity Actual...
  • Page 61 8 Software »mzr-pump control« Operating manual mzr-2521 and mzr-2921 figure 34 Setup window in the »Continuous flow« operating mode Last update: June 2019 Technical data subject to change without prior notice!

  • Page 62: Motion Manager" Software (Optional)

    9 »Motion Manager« software (optional) Operating manual mzr-2521 and mzr-2921 »Motion Manager« software (optional) The »Motion Manager« software enables operation and configuration of the drive and offers a possibility of an online graphic analysis of the operating data. The software is delivered on CD. The program may be installed on a PC running under Windows 7 , Windows 8 or Windows 8.1...
  • Page 63 Set the nominal speed via the RS-232 interface V1000 Operate the pump at 1000 rpm (for the mzr-2521 with a displacement volume of 1.5 µl a flow rate of 1.5 ml/min is obtained; for the mzr-2921 a flow rate of 3 ml/min)

  • Page 64: Programming Of The Control Unit

    9 »Motion Manager« software (optional) Operating manual mzr-2521 and mzr-2921 For detailed information as to the use of Motion Manager, please read the program online help. Programming of the control unit The S-ND control unit of the micro annular gear pump may be adapted by the user to a specific application by means of an easy programming language.
  • Page 65 9 »Motion Manager« software (optional) Operating manual mzr-2521 and mzr-2921 figure 37 File selection window The mcl-file is transferred to the drive by selecting Terminal - Transfer Configuration file from the menu (see figure 38). Last update: June 2019 Technical data subject to change without prior notice!
  • Page 66 9 »Motion Manager« software (optional) Operating manual mzr-2521 and mzr-2921 figure 38 Transfer of a mcl-file as a parameter data When a window appears with the enquiry if the mcl files should be transferred to the »Motion-Controller«, answer by clicking on the »Yes« button.
  • Page 67 The standard program mzr-xx21_S.mcl (see Listing 1) is installed by default at the delivery of the micro annular gear pumps mzr-2521 and mzr-2921. In this case the drive has the following parameter configuration: − speed set with potentiometer (command SOR1) −...
  • Page 68 9 »Motion Manager« software (optional) Operating manual mzr-2521 and mzr-2921 SP6000 ;Load Command Velocity [U/min] ;Minimum Velocity MAV50 ;Minimum Analog Voltage LL600000000 ;Load Position Range Limits LL-600000000 ;Load Position Range Limits LPN10 ;Load Puls Number STW1 ;Load Step Width STN16 ;Load Step Number...
  • Page 69 The drive is configured as according to the following parameters: − Execution of 10 rotation cycles (command LR640) (640 = 10 rotation cycles, displacement volume mzr-2521 ≈ 15 µl; mzr-2921 ≈ 30 µl) − Start the dosage task with the integrated switch (command REFIN) ;...
  • Page 70 9 »Motion Manager« software (optional) Operating manual mzr-2521 and mzr-2921 DIPROG ;Disable Program ANSW1 ;Asynchron Answer activated ;Hard Polarity ;Hard Blocking ;Hard Direction HOSP100 ;Load Homing Speed SHA0 ;Home Arming deactivated SHL0 ;Hard Limit deactivated SHN0 ;Hard Notify deactivated CAHOSEQ ;Capture Homing Sequence...

  • Page 71: Accessories For Microfluidic Systems

    Non-liability clause HNP Mikrosysteme GmbH shall not be liable for damages resulting form the non- respect of instructions comprised in this operating manual. It remains at the responsibility of the user to conform to all laws, rules and regulations in force.

  • Page 72: Problems And Their Removal

    12 Problems and their removal Operating manual mzr-2521 and mzr-2921 Problems and their removal Disturbance Cause Solution 1 The pump does not start operation. No power supply Check the power supply. 2 The pump does not deliver any No liquid in the primary tank.
  • Page 73 12 Problems and their removal Operating manual mzr-2521 and mzr-2921 Disturbance Cause Solution in a reverse direction for 1 s with - 1000 rpm. Flush the pump with a syringe. Return the pump to the manufacturer for cleansing. Use a filter, flush the liquid delivery system.
  • Page 74 If a disturbance that has not been mentioned in the above list, or that makes the use of the micro annular gear pump unsafe appears, please stop the operation of the pump without delay and contact HNP Mikrosysteme (see chapter 16). If needed return the pump to the manufacturer for checkup.

  • Page 75: Eu Directive

    13 EU Directive Operating manual mzr-2521 and mzr-2921 EU Directive A Directive or EU Directive is a legal instrument of the European Community addressing at the member states and forcing them to implement specific regulations or targets. Leastwise, micro annular gear pumps are covered, by the...

  • Page 76: Electromagnetic Compatibility (Emc)

    Operating manual mzr-2521 and mzr-2921 REACH regulation (EU) No. 1907/2006 HNP Mikrosysteme is not a manufacturer or importer of chemical substances subjected to registration, but in terms of regulation, a downstream user. As downstream user, we conduct the necessary communication with our suppliers to ensure future deliveries of all components necessary to us.

  • Page 77: 13.1.2 Information On Use As Intended

    13 EU Directive Operating manual mzr-2521 and mzr-2921 13.1.2 Information on use as intended For micro annular gear pumps, note the following: Requirement for the intended operation is the operation according to the technical data and the manual. Restrictions If the micro annular gear pumps are used at home, in business or in commerce or...

  • Page 78: Declaration Of Conformity

    14 Declaration of conformity Operating manual mzr-2521 and mzr-2921 Declaration of conformity The delivered micro annular gear pump falls within scope of the following EU directives: − Machinery Directive (2006/42/EU) − EMC Directive (2014/30/EU) You may request the declarations of conformity for the micro annular gear pumps from us separately.
  • Page 79 This statement does not warrant any characteristics in terms of product liability. Please note the safety instructions in the manual. Mr. Lutz Nowotka, HNP Mikrosysteme GmbH, Bleicherufer 25, D-19053 Schwerin is authorised to compile the technical file according to Annex VII A.
  • Page 81 We hereby declare that the following micro annular gear pumps of the low pressure series: mzr-2521, mzr-2921 are intended for installation into another machinery/plant and that start of operation is forbidden till it is identified that the machinery/plant into which these micro annular gear pumps shall be installed corresponds to the regulations of the EU guidelines regarding safety and health requirements.

  • Page 83: Service, Maintenance And Warranty

    For service and maintenance please return your micro annular gear pump to HNP Mikrosysteme. You will find the address on the cover of the present operating manual. The declaration of media (liquids) having had contact with the micro annular gear pump and components must imperatively be completed.

  • Page 84: Contact Person

    16 Contact person Operating manual mzr-2521 and mzr-2921 Contact person Development and application assistance, service and accessories Mr. Sven Reimann Phone +49| (0) 385|52190-349 Service and maintenance Mr. Steffen Edler Phone +49| (0) 385|52190-307 Drive and control technology Mr. Lutz Nowotka...

  • Page 85: Legal Information

    17 Legal information Operating manual mzr-2521 and mzr-2921 Legal information Marks ® is a registered German trademark of HNP Mikrosysteme GmbH. MoDoS ® is a registered German trademark of HNP Mikrosysteme GmbH. µ-Clamp ® is a registered German trademark of HNP Mikrosysteme GmbH.

  • Page 86: Safety Information For The Return Of Already Employed Micro Annular Gear Pumps And Components

    18 Safety information for the return of already employed micro annular gear pumps and components Operating manual mzr-2521 and mzr-2921 Safety information for the return of already employed micro annular gear pumps and components 18.1 General information The operator carries the responsibility for health and safety of his/her employees.
  • Page 87 19 Declaration of media in contact with the micro annular gear pump and its components Operating manual mzr-2521 and mzr-2921 Declaration of media in contact with the micro annular gear pump and its components Type of the device Pump type/article no.:...
  • Page 88 20 Appendix Operating manual mzr-2521 and mzr-2921 Appendix − Layouts − Operating manual for the S-KD control unit − Operating manual for the S-KG control unit (optional) − Operating manual for the S-BL control unit (optional) Technical data subject to change without prior notice!
  • Page 89 20 Appendix Operating manual mzr-2521 and mzr-2921 figure 40 Layout mzr-2521 / mzr-2921 Last update: June 2019 Technical data subject to change without prior notice!
  • Page 90 20 Appendix Operating manual mzr-2521 and mzr-2921 figure 41 Layout mzr-2521 M2 / mzr-2921 M2 Technical data subject to change without prior notice! Last update: June 2019...
  • Page 91 20 Appendix Operating manual mzr-2521 and mzr-2921 figure 42 Layout mzr-2521 M2.1 / mzr-2921 M2.1 Last update: June 2019 Technical data subject to change without prior notice!
  • Page 92 20 Appendix Operating manual mzr-2521 and mzr-2921 figure 43 Layout mzr-2521 / mzr-2921 with brushless DC-Motor Technical data subject to change without prior notice! Last update: June 2019...

This manual is also suitable for:

Mzr-2921Mzr-2521x1Mzr-2921x1

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