Lutz-Jesco MEMDOS SMART LD Operating Instructions Manual
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Lutz-Jesco MEMDOS SMART LD Operating Instructions Manual

Stepper motor-driven diaphragm dosing pump
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Original operating instructions
© Lutz-Jesco GmbH 2015
Stepper motor-driven diaphragm dosing pump
Read the operating instructions!
The user is responsible for installation and operation related mistakes!
BA-10102-02-V02
MEMDOS SMART LD
Operating Instructions
Conveying
Control
Dosing
Liquids
Gases
Systems

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Summary of Contents for Lutz-Jesco MEMDOS SMART LD

  • Page 1 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions Read the operating instructions! The user is responsible for installation and operation related mistakes! Dosing Liquids Original operating instructions BA-10102-02-V02 Conveying Gases © Lutz-Jesco GmbH 2015 Control Systems...

  • Page 3: Table Of Contents

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions Table of Contents 1 Notes to the Reader ............4 10.2 Explanation of the menu icons ..........10.3 Password protection ............1.1 General non-discrimination ............1.2 Explanation of the signal words ..........

  • Page 4: Notes To The Reader

    1.3 Explanation of the warning signs These Operating instructions contain information and behaviour rules for safe and designated operation of the dosing pump MEMDOS SMART LD. Warning signs represent the type and source of a danger: Observe the following principles:...

  • Page 5: Safety

    When using dosing pumps without ATEX certification in a potentially CAUTION explosive area, explosions can occur that result in fatal injuries. ð Never use the dosing pump MEMDOS SMART LD in potentially Increased risk of accidents due to insufficient qualifica- explosive areas. tion of personnel! Dosing pumps and their accessories may only be installed, operated and maintained by personnel with sufficient qualifications.

  • Page 6: Hazards Due To Non-Compliance With The Safety Instructions

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 2.2 Hazards due to non-compliance with the safety knowledge of safety equipment and the way this equipment functions, instructions knowledge of this operating manual, particularly of safety instructions and sections relevant for the activity,...

  • Page 7: Appropriate And Intended Use

    3.2 Intended purpose 3.5 Prohibited dosing media The dosing pump MEMDOS SMART LD is intended for the following purpose: the conveying and dosing of liquids. The dosing pump must not be used for these media and substances: Gaseous media, 3.3 Device revision...
  • Page 8 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 3.6.2 Incorrect hydraulic installation 3.6.6 Incorrect maintenance Suction and pressure lines dimensioned incorrectly Carrying out maintenance during ongoing operation Unsuitable connection of the pipes due to wrong material or Carrying out work that is not described in the operating instructions unsuitable connections.

  • Page 9: Product Description

    Output range from 2 – 20 l/h, up to 15 bar Power supply 110—240 V, 50/60 Hz, IP65, 25 W Microprocessor-controlled drive Integrated dosing head ventilation (only MEMDOS SMART LD 5 and LD 10 with plastic dosing head) Suitable for wall and floor mounting...

  • Page 10: Function Description

    Max. XXX l/h bei X bar IP XX, XXX V, XXXX Hz, XX W Fig. 4: Rating plate MEMDOS SMART LD Fig. 3: Controller of dosing pump MEMDOS SMART LD Description Description a Product, type, nominal size a Graphic display...

  • Page 11: Conveying Characteristics

    4.6 Conveying characteristics The design of the dosing pump MEMDOS SMART LD enables it to perform the pressure and suction stroke at different speeds. For low supply rates, for example, the dosing pump performs the suction stroke at the maximum speed and adjusts the speed of the pressure stroke to match the desired supply rate.

  • Page 12: Technical Specifications

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 5 Technical specifications 5.1 Delivery capacity data Please note that some of this data only represents guide values. The actual capacity of a dosing pump depends on various factors. For approximate values of the delivery capacity at different pressures, refer to chapter 15 „Delivery characteristic curves“...

  • Page 13: Electrical Data

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 5.2.1 Permitted media temperatures Information Value MEMDOS SMART LD (all sizes) Dosing head made of PVC °C 0 – 35 Dosing head made of PP °C 0 – 60 Dosing head made of PVDF °C...

  • Page 14: Dimensions

    6 Dimensions 6.1 MEMDOS SMART LD 2, 5, 10 ~ 260 Ø Fig. 6: Dimensioned drawing of MEMDOS SMART LD 2, 5, 10 with dosing head made of PVC, PP or PVDF (all dimensions in mm) Ø ~ 17 ~ 81 Fig.

  • Page 15: Memdos Smart Ld 15, 20

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 6.2 MEMDOS SMART LD 15, 20 Ø 17,5 Fig. 8: Dimensioned drawing of MEMDOS SMART LD with dosing head made of PVC, PP, PVDF or stainless steel (1.4571) (all dimensions in mm) Connection Material Scale Nominal width 4/6 mm 1/4x3/8"...

  • Page 16: Installing The Dosing Pump

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 7 Installing the Dosing Pump 7.2 Installation examples DANGER! 7.2.1 Installation on a wall console Mortal danger from electric shock! Electrically conductive liquid can enter pump housings, cable screw connections and mains connectors.

  • Page 17: Hydraulic Installations

    In many cases, you must install hydraulic accessories to be able to use all the functions that the dosing pump MEMDOS SMART LD offers, to guarantee Damage to drives due to overloading functional safety or to achieve a high level of dosing precision.

  • Page 18: System Piping

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 8.2 System piping 8.4 Hydraulic connections The system piping must not exert any force on the connections and 8.4.1 Connecting hose clips valves of the dosing pump. This means that steel piping should be connected to the dosing pump Choose the hose connection according to the condition of the hose by means of flexible pipe sections.
  • Page 19 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 8.4.2 Making the bonded connection 8.4.1.2 Size 6/12 Fig. 14: Glue-in connection Perform the following working steps: Fig. 13: Hose clip 6/12 (internal and external diameter in mm) Cut the PVC tube to length.

  • Page 20: Connecting A Leakage Drain

    8.6 Connecting the dosing head venting facility Lutz-Jesco GmbH dosing pumps are produced to the highest of quality The dosing heads of the MEMDOS SMART LD 5 and LD 10 have an standards with a long service life. However, some parts are subject to integrated dosing head venting unit (except for dosing heads made of operational wear.

  • Page 21: Hydraulic Accessories

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 8.7 Hydraulic accessories Description The following chapter is intended to give you an overview of installation Main line options. Injection nozzle with shut-off valve Please note that these operating instructions are no substitute for the instructions supplied with the accessories in each case.
  • Page 22 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 8.7.2 Contact-type water meter 8.7.3 Pressure-relief valve The contact-type water meter measures the throughflow in a pipe and Pressure relief valves have an important safety function for protecting the sends a pulse to the dosing pump, which then starts dosing. This means dosing pump and the associated pipes and fittings.
  • Page 23 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 8.7.4 Back-pressure valve Back-pressure control valves are necessary if: there are considerably fluctuating system pressures, the pressure on the suction side is higher than on the discharge side or if you intend to carry out dosing into depressurized lines.
  • Page 24 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions Description Pressure line Dosing pump MEMDOS SMART LD Wall bracket Shut-off valve Suction line Table 14: Designation of components 8.7.5 Pulsation dampener Pulsation dampeners have the following functions: Damping pulsating delivery flows for processes that require low-pulsation dosing, Reducing the throughflow resistance with long pipelines.
  • Page 25 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 8.7.6 Priming aid Description Priming aids are particularly advisable: Dosing tank in the case of dosing pumps with small volumetric displacements per Suction line stroke or with low stroke length settings,...
  • Page 26 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 8.7.8 Dosing of suspensions 8.7.9 Suction pressure regulator When dosing suspensions, the dosing head must be rinsed regularly to A suction pressure regulator may be necessary if the suction-side prevent depositing. To do this, you install a feed line for the rinsing installation of the system demonstrates a varying suction pressure or medium (water) in the suction side installation.
  • Page 27 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions Description Main line Injection nozzle with shut-off valve Pressure line Dosing tank Dosing pump MEMDOS SMART LD Wall bracket Suction line Suction pressure regulator Shut-off valve Table 19: Designation of components Hydraulic installations ©...

  • Page 28: Electrical Installation

    Depending on the type and hazardous- ness of the dosing medium, this can result in damage to property or to MEMDOS SMART LD is delivered with two conductive rubber bands injury. installed in connection sockets 1 and 3. These conduct electricity and ð...

  • Page 29: Description Of Connection Sockets

    Black White Table 22: Connection socket 2 Ground (GND) Blue * Applies to cable colours of cables from Lutz-Jesco GmbH. No liability is External On/Off Black accepted for cables from other manufacturers. Table 21: Connection socket 1 * Applies to cable colours of cables from Lutz-Jesco GmbH. No liability is accepted for cables from other manufacturers.
  • Page 30 Blue Black Table 23: Connection socket 3 * Applies to cable colours of cables from Lutz-Jesco GmbH. No liability is accepted for cables from other manufacturers. Removing the conductive rubber band Fig. 31: Conductive rubber band in connection socket 3 Remove the conductive rubber band before inserting the cable in the connection socket.

  • Page 31: Control

    Table 24: Operator controls of the control unit Table 27: Explanation of the menu symbols – Operating modes You operate the dosing pump MEMDOS SMART LD using the four keys 10.2.4 Release input below the display. The system shows the respective functions of the keys at the bottom of the display.
  • Page 32 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 10.3.1 Activating password protection 10.3.1.1 Entering the password Once you press any key, you must enter the password. If you enter the If password protection is activated, the dosing pump is protected against code correctly, you have 120 seconds in which to operate the dosing unauthorized access.

  • Page 33: Operation

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 11 Operation WARNING CAUTION Caustic burns or other burns through dosing media! Danger of personal injury and material damage! After connecting the mains supply, residual dosing media in the Changing dosing media can lead to unpredictable reactions.

  • Page 34: Operating Modes

    11.2 Operating modes Vent the dosing pump (see chapter 11.1.1 „Venting the dosing pump“ on page 34). The dosing pump MEMDOS SMART LD offers the following operating Select an operating mode and start the dosing pump in accordance modes: with the instructions in the chapter 11.2 „Operating modes“ on page...
  • Page 35 11.2.2.3 Calculating the transmission factor before a dosing stroke is executed. The dosing pump MEMDOS SMART LD has a defined stroke volume per The number of pulse signals required for a dosing stroke is displayed on dosing stroke. If a certain dosing quantity is required per pulse, the the dosing pump display for values below 100%.
  • Page 36 Operating Instructions 11.2.2.6 Operation with contact-type water meter The dosing pump MEMDOS SMART LD is prepared for operation with a contact-type water meter. The contact sequence of the water meter and the size of the dosing pump must be matched to each other (calibrated).

  • Page 37: External On / Off Via Release Input

    Regardless of the selected operating mode, you can start or stop the Storing the dosing pump correctly extends its service life. You should dosing pump MEMDOS SMART LD by means of the closed switching avoid negative influences such as extreme temperatures, high humidity, contact on the Release input.

  • Page 38: Maintenance

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 12 Maintenance Dosing pumps by Lutz-Jesco are manufactured to the highest quality CAUTION standards and have a long service life. Nevertheless, some of their parts are subject to wear due to operation (e.g. diaphragms, valve seats, valve balls).

  • Page 39: Tighten Up Dosing Head Bolts

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions Perform the following working steps: Maintenance work to be carried Frequency Screw out the four screws e on the dosing head using a suitable tool (SW 3 Allen key) and take off the dosing head d.

  • Page 40: Troubleshooting

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 13 Troubleshooting Possible cause Remedy See below for information about how to rectify faults on the device or the system. If you cannot eliminate the fault, please consult with the manufacturer on further measures or return the dosing pump for repair.
  • Page 41 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 13.1.4 No stroke movement observed Possible cause Remedy Possible cause Remedy è Dry the valves Dampen the dosing head and the valves è Diaphragm return spring Contact the manufacturer. è...
  • Page 42 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions Possible cause Remedy System backpressure too è Clean blocked injection nozzle. high (measured at discharge è Install pulsation dampeners to connection of dosing pump) reduce pressure peaks if pipes are too long.

  • Page 43: Spare Parts

    (ball/seat/seals) LD 5, LD 10 38986 LD 15, LD 20 40573 Fig. 45: Spare parts set for MEMDOS SMART LD 15, 20 (plastic or stainless steel dosing head (1.4571)) Part No. Stainless steel Type Required sets for a complete service: (1.4571)

  • Page 44: 15 Delivery Characteristic Curves

    LD 20 20,0 LD 15 15,0 LD 10 10,0 LD 5 LD 5 Pressure [bar] Fig. 46: Delivery characteristic curves MEMDOS SMART LD 2 – 20 Delivery characteristic curves BA-10102-02-V02 © Lutz-Jesco GmbH 2015 Dosing head spare parts kits including valves...

  • Page 45: Ec Declaration Of Conformity

    (NL) EU-overeenstemmingsverklaring Ondergetekende Lutz-Jesco GmbH, bevestigt, dat het volgende genoemde apparaat in de door ons in de handel gebrachte uitvoering voldoet aan de eis van, en in overeenstemming is met de EU-richtlijnen, de EU-veiligheidsstandaard en de voor het product specifieke standaard. Bij een niet met ons afgestemde verandering aan het apparaat verliest deze verklaring haar geldigheid.

  • Page 46: Declaration Of No Objection

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 17 Declaration of no objection Please copy the declaration, stick it to the outside of the packaging and return it with the device. Declaration of no objection Please fill out a separate form for each appliance! We forward the following device for repairs: Device and device type: ..............
  • Page 47 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions Notes © Lutz-Jesco GmbH 2015 BA-10102-02-V02 Subject to technical changes. 150302...

  • Page 48: Warranty Claim

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions 18 Warranty claim Warranty Application Please copy and send it back with the unit! If the device breaks down within the period of warranty, please return it in a cleaned condition with the complete warranty application, filled out.

  • Page 49: Notes

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions Notes © Lutz-Jesco GmbH 2015 BA-10102-02-V02 Subject to technical changes. 150302...

  • Page 50: Index

    Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions Index Accessories ..................21 Hazards due to non-compliance with the safety instructions ....6 Appropriate and Intended Use ............7 Hydraulic accessories ..............21 Hydraulic connections ..............18 Hydraulic installations ..............17 Back-pressure valve ................23 Bonded connection ................19 Injection nozzle ................21...
  • Page 51 Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions Rating plate ..................10 Release input Connection .................29 Safety ....................5 Scope of delivery ................9 Setting the transmission and reduction ..........35 Set up information ................16 Shutdown ..................37 Shutting down in an emergency ............37 Signal words Explanation ...................4...
  • Page 52 Centrifugal Pumps Products for the disinfection of swimming pool water based on salt water electrolysis and domestic water technology The Lutz-Jesco App for iPads is available from the iTunes App Store. Additional information can be found at www.lutz-jesco.com Headquarters Hungary...

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