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Table of Contents
Related Manuals for Lutz-Jesco MEMDOS LB
Summary of Contents for Lutz-Jesco MEMDOS LB
- Page 1 Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions Read the operating manual! The user is responsible for installation and operation related mistakes! Dosing Liquids Original operating instructions BA-10407-02-V08 Conveying Gases © Lutz-Jesco GmbH 2018 Control Systems...
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Page 3: Table Of Contents
6.1 MEMDOS LB 4 - 80, 150 ............6.2 MEMDOS LB 110, 160 - 1010 ............ 6.3 MEMDOS LB 4 - 80, 150 with electrical servomotor ....6.4 MEMDOS LB 110, 160 - 1010 with electrical servomotor .... 7 Installing the Dosing Pump ..........22 7.1 Set up information .............. -
Page 4: Notes For The Reader
1 Notes for 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 LB. Warning signs represent the type and source of a danger: Observe the following principles:... -
Page 5: Safety
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 2 Safety 2.1 General warnings WARNING The following warnings are intended to help you to eliminate the dangers Caustic burns or other burns through dosing media! that can arise while handling the dosing pump. Risk prevention measures always apply regardless of any specific action. -
Page 6: Warnings For Use Within Explosive-Risk Zones
2.4 Working in a safety-conscious manner Besides the safety instructions specified in this operating manual, further ATEX certified versions of the MEMDOS LB dosing pump can be used in safety rules apply and must be followed: potentially explosive atmospheres. The following warnings only apply for... -
Page 7: Personnel Qualification
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 2.6 Personnel qualification 2.6.4 Trained persons Any personnel who work on the dosing pump must have appropriate spe- Trained persons have received training from the operator about the tasks cial knowledge and skills. -
Page 8: Intended Use
3.2 Intended purpose 3.5 Use in explosion risk areas The dosing pump MEMDOS LB is intended for the following purpose: the The MEMDOS LB dosing pump with ATEX certification is an electric conveying and dosing of liquids. motor-driven, explosion protected of equipment group II, equipment category 2G. -
Page 9: Foreseeable Misuse
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 3.7 Foreseeable misuse Bridging the external fuse Operation made more difficult due to inadequate lighting or machines Below, there is information about the applications of the dosing pump or that are difficult to access associated equipment that are not considered to be intended use. -
Page 10: Product Description
4.3 Structure of the dosing pump 4.3.1 General Overview 4.1 Properties The MEMDOS LB is a classic motor-driven diaphragm dosing pump used when a control is not required to achieve constant dosing. They are characterized by the following properties: Suitable for accurate mixing tasks. -
Page 11: Rating Plate
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions If the dosing pump is in the suction stroke phase, the diaphragm is pulled into the rear final position. Due to the resulting vacuum in the dosing head, the pressure valve closes, the suction valve opens and dosing me- dium flows from the suction line into the dosing head. -
Page 12: Technical 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 val- ues of the delivery capacity at different pressures, refer to chapter “MEMDOS LB 1010” on page 39. -
Page 13: Operating Conditions And Limits
Stroke length Protection class IP55 Nominal valve width DN10 Table 11: Other data MEMDOS LB 4 - 80, 150 * Specifications without motor. For weight specifications, see “5.4 Motor data” on page 14. Technical data © Lutz-Jesco GmbH 2018 BA-10407-02-V08 Subject to technical changes. -
Page 14: Motor Data
DN10** / DN15 DN15 DN25 Table 12: Other data MEMDOS LB 110, 160 - 1010 * Specifications without motor. For weight specifications, see “5.4 Motor data” on page 14. ** DN10 only with double-ball valves. 5.4 Motor data 5.4.1 230 V / 120 V alternating current motors with operating capacitor... - Page 15 Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 5.4.2 400 V /230 V three-phase motors MEMDOS LB Size Information Value 4 - 80, 150 110, 160 - 400 510 - 760 1010 50 Hz 0.12 0.37 0.55 0.75 Power output 60 Hz 0.14...
- Page 16 Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 5.4.3 400 V /230 V three-phase motors with frequency converter MEMDOS LB Size Information Value 4 - 80, 150 110, 160 - 400 510 - 760 1010 50 Hz 0.18 0.60 0.75 1.10 Power output 60 Hz 0.21...
- Page 17 Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions MEMDOS LB Size Information Value 4 - 80, 150 110, 160 - 400 510 - 760 1010 Protection class IP55 Insulation class Temperature class Degree of ignition protection Ex label II 2G Ex de IIC T4...
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Page 18: Electrical Servomotors
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 5.5 Electrical servomotors MEMDOS LB Size Information 4 - 1010 Value Servomotor Type NL 0608 Servomotor Type NL 0608 PMR 2-LC Reversible alternating current motor with maintenance-free gear Design Inside gear disengagement... -
Page 19: Dimensions
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 6 Dimensions 6.1 MEMDOS LB 4 - 80, 150 ~150 Fig. 3: Dimensioned drawings MEMDOS LB 4 - 80 and 150 MEMDOS LB size Scale 4 - 20 35 - 60 80, 150 121.5... -
Page 20: Memdos Lb 110, 160 - 1010
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 6.2 MEMDOS LB 110, 160 - 1010 ~150 ~101 Fig. 4: Dimensioned drawing MEMDOS LB 110, 160 - 1010 MEMDOS LB size Scale 110, 160 210 - 260 310 - 400 510 - 1010 312.5... -
Page 21: Memdos Lb 4 - 80, 150 With Electrical Servomotor
Operating instructions 6.3 MEMDOS LB 4 - 80, 150 with electrical servomotor ~300 ~120 Fig. 5: Dimensioned drawing MEMDOS LB 4 - 80 and 150 with electrical servomotor 6.4 MEMDOS LB 110, 160 - 1010 with electrical servomotor ~120 ~330 Fig. -
Page 22: Installing The Dosing Pump
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 7 Installing the Dosing Pump 7.2 Installation on a wall console DANGER Mortal danger from electric shock! Electrically conductive liquid can enter pump housings, cable screw connections and mains connectors. ð Make sure that all protective measures comply at least with the re- quirements of protection class IP65. -
Page 23: Hydraulic Installations
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 8 Hydraulic installations In this chapter, you will find information about the hydraulic parts of a NOTE system that you should install or that can install additionally. In many cas- es, you must install hydraulic accessories to be able to use all the func-... -
Page 24: System Piping
8.4 Connecting a leakage drain The system piping must not exert any force on the connections and Lutz-Jesco GmbH dosing pumps are produced to the highest of quality valves of the dosing pump. standards with a long service life. However, some parts are subject to op- This means that steel piping should be connected to the dosing pump erational wear. -
Page 25: Hydraulic Accessories
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 8.5 Hydraulic accessories 8.5.3 Back-pressure valve Back-pressure control valves are necessary if: The following chapter is intended to give you an overview of installation options. there are considerably fluctuating system pressures, the pressure on the suction side is higher than on the discharge side Please note that these operating instructions are no substitute for the in- or if you intend to carry out dosing into depressurized lines. - Page 26 Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 8.5.5 Priming aid Priming aids are particularly advisable: in the case of dosing pumps with small volumetric displacements per stroke or with low stroke length settings, with high suction hights, with highly dense dosing media,...
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Page 27: Electrical Installation
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 9 Electrical installation If an ATEX certified motor is being used, you must also observe the en- DANGER closed motor operating instructions. The motor must be connected to the termination box in accordance Mortal danger from electric shock! with the circuit diagram. -
Page 28: Connection Of Electric Servomotor
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 10 Control 9.1.2 AC motors Stroke length adjustment Connection Phases MEMDOS LB The desired delivery rate of the dosing pump is set using the stroke Star connection 4 - 1010 length adjustment. Turning the adjustment knob adjusts the hub length and so increases or decreases the amount of dosing media from the dos- ing head. -
Page 29: Operation
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 11 Operation Precondition for action: WARNING ü The dosing pump was fitted and installed in accordance with the sec- tions “Fitting the dosing pump”, “Hydraulic installation” and Caustic burns or other burns through dosing media! “Electrical installation”. -
Page 30: Commissioning The Electric Servomotor
Operating instructions 11.2 Commissioning the electric servomotor 11.5 Storage MEMDOS LB dosing pumps with electric servomotor are supplied pre-as- Storing the dosing pump correctly extends its service life. You should sembled and mechanically pre-configured. The limit switches of the elec- avoid negative influences such as extreme temperatures, high humidity, tric servomotor do not require adjustment. -
Page 31: Maintenance
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 12 Maintenance Dosing pumps by Lutz-Jesco are manufactured to the highest quality The following safety instructions apply to potentially explosive atmos- standards and have a long service life. Nevertheless, some of their parts pheres: are subject to wear due to operation (e.g. -
Page 32: Change The Oil
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 12.2 Change the oil Maintenance work to be carried Frequency Clean suction and pressure valves Regularly Check that electrical connections Regularly are not damaged Tighten up dosing head bolts Regularly Before initial commissioning... -
Page 33: Tighten Up Dosing Head Bolts
2. Holding the diaphragm (4) on its edge, pull it from the diaphragm The torque needed for each MEMDOS LB type or the diaphragm size: flange and turn it out in an anti-clockwise fashion. If it is difficult to... -
Page 34: Clean Suction And Pressure Valves
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 12.5 Clean suction and pressure valves Contaminated valves affect the dosing preceision and this means that you should clean the valves on a regular basis. Suction and pressure valves differ in the sequence of assem- bly of the individual parts. -
Page 35: Troubleshooting
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 13 Troubleshooting 13.1.2 Dosing pump does not prime 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 manu- facturer on further measures or return the dosing pump for repair. - Page 36 Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 13.1.3 Delivery rate varies 13.1.5 Dosing pump delivery rate too high Possible cause Remedy Possible cause Remedy è è Valve leaking or blocked Clean the valve and vent the Suction side pressure too high Install a back-pressure valve in dosing pump.
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Page 37: 14 Spare Parts
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 14 Spare parts 13.1.8 The drive is overloaded Possible cause Remedy Shut-off valves closed è Open the shut-off valves. Inspect the dosing pump for possible damage. è The drive motor's electrical Check the electrical installation. -
Page 38: Delivery Characteristic Curves
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 15 Delivery characteristic curves This Chapter is intended to give you an idea of the delivery capacity that the dosing pump can achieve at specific back pressures. These delivery capacities were determined on the manufacturer's test stands. They ap- ply at 20 °C (68 °F) for water, at 100 % stroke frequency. - Page 39 Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 150,0l/h 200,0l/h 200,0l/h 140,0l/h 180,0l/h 180,0l/h 130,0l/h 120,0l/h 160,0l/h 160,0l/h 5 bar 3 bar 110,0l/h 5 bar 140,0l/h 140,0l/h 100,0l/h 90,0l/h 120,0l/h 120,0l/h 1 bar 1 bar 80,0l/h 1 bar 100,0l/h 100,0l/h...
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Page 40: Eu Declaration Of Conformity
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 16 EU Declaration of Conformity (DE) EU-Konformitätserklärung Hiermit erklären wir, dass das nachfolgend bezeichnete Gerät aufgrund seiner Konzipierung und Bauart sowie in der von uns in Verkehr gebrachten Ausführung den einschlägigen grundlegenden Sicherheits- und Gesundheitsanforderungen der aufgeführten EU-Richtlinien entspricht. Bei einer nicht mit uns abgestimmten Änderung am Gerät verliert diese Erklärung ihre Gültigkeit. -
Page 41: 17 Declaration Of No Objection
Motor-driven diaphragm dosing pump MEMDOS LB 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 42: 18 Warranty Claim
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 18 Warranty claim Warranty claim 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 claim. -
Page 43: Index
Motor-driven diaphragm dosing pump MEMDOS LB Operating instructions 19 Index Accessories ..................25 Notes for the Reader ................4 Approved media temperature ............13 Operating conditions and limits ............13 Back-pressure valve ................25 Operation ..................29 Clean suction and pressure valves ...........34 Personnel qualification ...............7 Commissioning the dosing pump .............29...
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