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Product description

Structure of the dosing pump

BA-10103-02-V01

Stepper Motor-driven Diaphragm Dosing Pump

MEMDOS SMART LK

Operating instructions

4 Product description

4.1 Properties

The MEMDOS SMART LK is a stepper motor-driven diaphragm dosing
pump that is used when precise dosing results are required.

They are characterized by the following properties:



Output range from 5 – 19.2 l/h, up to 15 bar



Power supply unit 110 – 240 V, 50/60 Hz, IP65, 25 W



Microprocessor controlled drive



Integrated dosing head venting facility (only MEMDOS SMART LK 5
and LK 10 with dosing head made of plastic)



Suitable for wall and ﬂ oor mounting



Material ﬁ nishes PVC, PP, PVDF and stainless steel



Stroke frequency can be precisely adjusted via the keyboard



Graphic display with multi-language menu



Pulse input (increase and reduction)



Level input with early warning and main alarm



Release input for external start/stop



Supply amount displayed in various units



Maximum delivery rate can be limited



Diaphragm replacement programme



One "Slow Motion" setup possible



Stroke feedback output



Alarm relay output

4.2 Scope of delivery

Please compare the delivery note with the scope of delivery. The
following items are part of the scope of delivery:



Dosing pump MEMDOS SMART LK,



One set each of hose clamping connections for hoses with diameters
of 4/6 mm, 6/9 mm and 6/12 mm (made of PVC, PP and PVDF)



4 covering caps for electrical connections (mounted on the dosing
pump),



Mains cable,



Operating Instructions



Inspection report and test certiﬁ cate (optional),



Accessory kit (optional).

4.3 Structure of the dosing pump

4.3.1 General Overview

햲

햳

햴

Fig. 1: Overview of MEMDOS SMART LK dosing pump

No.

Description

햲

Dosing head

햳

Drive unit

햴

Control unit

4.3.2 Dosing head

햲

햴

햵

햳

Fig. 2: Dosing head

No.

Description

햲

Valve and connection on the discharge side

햳

integrated dosing head venting facility (plastic version only)

햴

Arrow indicating the direction of throughﬂ ow of the dosing
medium (plastic version only)

햵

Valve and connection on the suction side

Содержание MEMDOS SMART LK

Страница 1: ...iginal operating instructions Lutz Jesco GmbH 2014 BA 10103 02 V01 StepperMotor drivenDiaphragmDosingPump MEMDOS SMART LK Operating instructions Read the operating instructions The user is responsible...

Страница 2: ...Hydraulic installation 19 8 1 Design of the system 19 8 2 System piping 20 8 3 Aligning the dosing head 20 8 4 Hydraulic connections 20 8 5 Connecting a leakage drain 22 8 6 Connecting the dosing head...

Страница 3: ...on with warning signs are used in this operating manual Signal words illustrate the gravity of possible injuries if the risk is ignored Signal word Meaning DANGER Refers to imminent danger Ignoring th...

Страница 4: ...erating instructions 1 5 Instruction for action identification This is how pre conditions for action are identi ed Pre condition for action which must be met before taking action This is how instructi...

Страница 5: ...crew connections have been tightened correctly and are leak proof WARNING Caustic burns or other burns through dosing media While working on the dosing head valves and connections you may come into co...

Страница 6: ...ective clothing Protective gloves Goggles Corresponding protective equipment must be used during these tasks commissioning working on the dosing pump while running shutdown maintenance work disposal 2...

Страница 7: ...re the pre condi tion for the respective tasks Only people with appropriate quali cations are allowed to perform these tasks Qualification Activities Specialist staff Assembly Hydraulic installations...

Страница 8: ...ia must be followed You must only use dosing media at temperatures above freezing point or below the boiling point of the respective medium The materials of the dosing pump and hydraulic parts of the...

Страница 9: ...lighting or machines that are dif cult to access Operation not possible due to dirty or illegible display of the dosing pump Delivery of dosing media for which the system is not designed Delivery of p...

Страница 10: ...ease input for external start stop Supply amount displayed in various units Maximum delivery rate can be limited Diaphragm replacement programme One Slow Motion setup possible Stroke feedback output A...

Страница 11: ...n valve opens and dosing medium ows from the suction line into the dosing head If the dosing pump is in the pressure stroke phase the diaphragm is moved into the front nal position Due to the pressure...

Страница 12: ...osing pump performs the suction stroke at the maximum speed and adjusts the speed of the pressure stroke to match the desired supply rate This produces a constant supply stream which gives you a low p...

Страница 13: ...15 9 5 4 Delivery capacity at average back pressure l h 6 11 3 14 7 19 7 ml stroke 0 67 1 26 1 63 2 19 Average delivery pressure bar 8 5 3 2 Max stroke frequency min 1 150 Suction height for non gassi...

Страница 14: ...1 C 0 80 Tab 9 Permitted media temperature 5 3 Electrical specifications Information Value MEMDOS SMART LK all sizes Voltage supply 110 240 V AC 10 5 50 60 Hz Power consumption W 25 Tab 10 Electrical...

Страница 15: ...sioned drawing of MEMDOS SMART LK 5 10 with dosing head made of PVC PP or PVDF all dimensions in mm 237 202 81 17 L L 120 176 56 70 6 5 100 116 80 Fig 7 Dimensioned drawing of MEMDOS SMART LK with dos...

Страница 16: ...K 15 20 84 17 5 L L 53 181 70 6 5 84 100 116 237 202 Fig 8 Dimensioned drawing of MEMDOS SMART LK 15 20 with dosing head made of PVC PP PVDF or stainless steel 1 4571 all dimensions in mm Connection M...

Страница 17: ...d stable There must be enough free space in the area of the dosing head and the suction and discharge valves for these parts to be easily dismantled if required The entire space requirement for instal...

Страница 18: ...his can result in injury due to uncontrollable piping or escaping dosing media Install pulsation dampeners NOTICE Damage to drives due to overloading The pressure conditions between the suction and di...

Страница 19: ...alignment can be changed in 90 intervals The suction valve must always point downwards Accordingly arrow and pressure valve always point upwards This is irrespective of the positioning of the dosing...

Страница 20: ...on the grommet of connection piece 6 Screw the union nut onto the valve of the dosing pump Hose clip connected 8 4 2 Making the glue in connection Fig 14 Glue in connection Perform the following worki...

Страница 21: ...e downward opening Fig 16 Openings of the leakage drain NOTICE Damage to drives due to effervescent media If a hose is connected to the leakage drain and it is routed back into the dosing tank efferve...

Страница 22: ...functions Dosing the medium into a main line Preventing owback into the pressure line through a non return valve Notes on assembly Double ball injection nozzles must be installed into the main line v...

Страница 23: ...associated pipes and ttings The dosing pump can generate a pressure that is many times the rated one A blocked pressure line can lead to dosing medium escaping An improperly high pressure can occur i...

Страница 24: ...cessary if there are considerably uctuating 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 In case...

Страница 25: ...g long pipes the severity of the pulsation increases with the length of the pipe when using rigid piping instead of elastic hoses Notes on assembly You should carry out assembly in the direct vicinity...

Страница 26: ...aids preventing cavitation in the suction line gas removal optical dosing control with small amounts smoothing of the suction ow Fig 24 Installation with a priming aid No Description Main line Inject...

Страница 27: ...es since the suction head increases Dosing pumps that are installed below dosing tanks deliver less as the tank empties since the positive delivery pressure reduces Further problems that can occur Gre...

Страница 28: ...103 02 V01 Stepper Motor driven Diaphragm Dosing Pump MEMDOS SMART LK Operating instructions No Description Main line Injection nozzle with shut off valve Pressure line Dosing tank Dosing pump MEMDOS...

Страница 29: ...supply that is given on the nameplate NOTICE Insufficient electromagnetic compatibility When you connect the dosing pump to a socket without an attached protective earth it is not possible to guarant...

Страница 30: ...N 2 Optocoupler emitter White WH 3 Ground GND 3 4 Blue BU 4 External On Off Black BK Tab 22 Connection socket 1 Applies to cable colours of cables from Lutz Jesco GmbH No liability is accepted for cab...

Страница 31: ...gnments Connection Cable colour 1 pre alarm 3 2 1 Brown BN 2 Main alarm White WH 3 Ground GND Blue BU 4 5 V DC Black BK Tab 24 Connection socket 3 Applies to cable colours of cables from Lutz Jesco Gm...

Страница 32: ...nction The display brightness reduces 45 seconds after your last input Two minutes after your last input the control unit goes back to the start screen of the selected operating mode in each case i Th...

Страница 33: ...enu 6 System setup 3 Press Menu The dosing pump displays menu 1 Main menu 4 Press Back The dosing pump displays the start screen In the factory default setting the Manual mode mode is preset with a st...

Страница 34: ...You can choose from the following units Litres Day Litres Hr USgal Day American gallons USgal Hr American gallons I gal Day Imperial gallons I gal Hr Imperial gallons ml Min 2 Use the or key to choos...

Страница 35: ...Off via Release input on page 44 1 Use the or key to choose the Release input menu item and press Setup You can choose from the following options Not active factory default setting Run contact enables...

Страница 36: ...se code menu item and press Setup 4 Keep pressing Next until On is selected 5 Press 6 Press Back Release code deactivated 10 7 7 Deactivating the safety code Protects the System setup menu from unauth...

Страница 37: ...art screen after the respective operating mode Manual Mode Slow 1 Menu Stop Liter Day 0 0 00 Fig 43 Slow Motion 1 mode display in manual mode 10 8 Information about the dosing pump In the Info menu it...

Страница 38: ...TION Danger of personal injury and material damage Changing dosing media can lead to unpredictable reactions Thoroughly clean the dosing pump and appropriate sections of the plant to avoid chemical re...

Страница 39: ...y to choose the Venting menu item and press OK 4 Press the Start key and keep it pressed The dosing pump starts delivery at the highest stroke frequency 5 Release Start key as soon as there is a conti...

Страница 40: ...tory setup 0 0 Fig 48 Menu 5 3 Calibration 9 Read off the actual delivery rate from the metering container and use the and keys to correct the displayed delivery capacity Adjustment range 50 50 10 Pre...

Страница 41: ...ystem marks the currently active mode by displaying On after the menu item In the factory default setting the Strokes mode is preselected Strokes On 1 Press Setup The dosing pump displays the current...

Страница 42: ...e delivered output of the dosing pump per cubic metre m3 through ow of the water meter in ml The value corresponds to the through ow amount per pulse Since the dosing pump only controls the output via...

Страница 43: ...nd waiting for the next pulse The stroke buffer has been cleared 11 3 External On Off via Release input Regardless of the selected operating mode you can start or stop the MEMDOS SMART LK dosing pump...

Страница 44: ...rectly extends its service life You should avoid negative in uences like extreme temperatures high humidity dust chemicals etc Ensure ideal storage conditions where possible the storage place must be...

Страница 45: ...roof CAUTION Danger of personal injury and material damage The dosing pump can generate a pressure that is many times the rated one The dosing medium can escape in the case of material failure or wear...

Страница 46: ...2 Press Menu 3 Use the or key to choose the Diaphragm change menu item and press OK The dosing pump displays menu 9 Diaphragm change Change diaphragm Press start Menu 9 Start Fig 54 Menu 9 Diaphragm...

Страница 47: ...o recalibrate the dosing pump after replacing the diaphragm or other spare parts on it See page 41 12 4 Clean suction and discharge valves Contaminated valves affect the dosing preceision and this mea...

Страница 48: ...ease the temperature Install spring loaded valves Increase the pipe diameter Current supply interrupted Reconnect the current supply The dosing pump s electrical data does not match that of the mains...

Страница 49: ...ocked injection nozzle Install pulsation dampeners to reduce pressure peaks if pipes are too long Check function of safety valves Tab 44 Type of fault Delivery rate varies 13 1 4 No stroke movement ob...

Страница 50: ...rating instructions Possible cause Remedy System back pressure too high measured at discharge connection of dosing pump Clean blocked injection nozzle Install pulsation dampeners to reduce pressure pe...

Страница 51: ...hragm 1 set of dosing head screws 1 set of washers only MEMDOS SMART LK 15 20 Diaphragm kit Type Part No LK 5 LK 10 39123 LK 15 LK 20 40607 14 2 Dosing head spare parts kits including valves Spare par...

Страница 52: ...pump can achieve at speci c back pressures These delivery capacities were determined on the manufacturer s test stands They apply at 20 C 68 F for water at 100 stroke frequency The delivery capacity d...

Страница 53: ...ds Portugues Back 6 3 OK Alarm relay Units Menu 6 Setup Language Diaphragm change Venting Back 1 OK Operating mode System setup see the next chapter Main menu see page 56 16 2 System setup Alarm relay...

Страница 54: ...Release input Menu 6 Setup Level input Release input Run contact not active Back 6 8 OK Release input Run open Run contact Back 6 8 OK Release input Run open Run contact Back 6 8 OK Safety code Relea...

Страница 55: ...ck 3 33 OK pulses stroke 1 pulse Back 3 34 OK stroke buffer 1 stroke Back 3 35 OK Pulse input Menu Start Liter h 0 0 00 Setup Reset Mode Water meter Output Back 3 36 OK Strokes on Pulse input 1 pulse...

Страница 56: ...operating mode Manual mode delivery capacity 0 Parameter Factory setting Own setting Language English Units Litres hr Alarm relay Not active Level input Not active Release input Not active Release cod...

Страница 57: ...das directivas CE indicadas A presente declara o perde a sua validade em caso de altera o ao equipamento n o autorizada por n s EN EC Declaration of Conformity We hereby certify that the device descri...

Страница 58: ...e of delivery Reason for repair Dosing medium Description Irritating F Yes F No Properties Corrosive F Yes F No We hereby certify that the product has been cleaned thoroughly inside and outside before...

Страница 59: ...filled out Sender Company Phone Date Address Contact person Manufacturer order no Date of delivery Device type Serial number Nominal capacity nominal pressure Description of fault Service conditions o...

Страница 60: ...ture 15 Prohibited dosing media 9 E EC Declaration of Conformity 57 Electrical installation 30 Electrical speci cations 15 External On Off via Release input 44 F Foreseeable misuse 9 Function descript...

Страница 61: ...nformation 18 Shutdown 45 Shutting down in an emergency 45 Signal words Explanation 4 Slow Motion Conveying characteristics 13 Setting 38 Spare parts 51 Specialist staff 7 Storage 45 Stroke feedback o...

Страница 62: ...a Lutz Jesco GmbH Aredstra e 7 2 2544 Leobersdorf Austria Tel 43 2256 62180 Fax 43 2256 6218062 E mail info lutz jesco at Website www lutz jesco at Middle East Lutz Jesco Middle East FZE P O Box 9614...

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