Lutz-Jesco MEMDOS SMART LD Скачать руководство пользователя страница 42 | Manualshive

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Troubleshooting

Type of fault

42

© Lutz-Jesco GmbH 2015

BA-10102-02-V02

Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD

Operating Instructions

Possible cause

Remedy

System backpressure too
high (measured at discharge
connection of dosing pump)

è

Clean blocked injection nozzle.

è

Install pulsation dampeners to
reduce pressure peaks if pipes
are too long.

è

Check function of safety valves.

Media sediment in dosing
head

è

Clean the dosing head.

Table 37: Type of fault: Diaphragm is torn or tears too often

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Содержание MEMDOS SMART LD

Страница 1: ...inal operating instructions Lutz Jesco GmbH 2015 BA 10102 02 V02 Stepper motor driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions Read the operating instructions The user is responsib...

Страница 2: ......

Страница 3: ...s 14 6 1 MEMDOS SMART LD 2 5 10 14 6 2 MEMDOS SMART LD 15 20 15 7 Installing the Dosing Pump 16 7 1 Set up information 16 7 2 Installation examples 16 8 Hydraulic installations 17 8 1 Design of the sy...

Страница 4: ...ger Ignoring this sign may lead to death or the most serious injuries WARNING Refers to a potentially hazardous situation Failure to follow this instruction may lead to death or severe injuries CAUTIO...

Страница 5: ...eck that all the screw 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 yo...

Страница 6: ...o work on the dosing pump must have appropriate special knowledge and skills Anybody who works on the dosing pump must meet the conditions below n attendance at all the training courses offered by the...

Страница 7: ...mply with the information regarding the operating and environmen tal conditions see chapter 5 Technische Daten auf Seite 12 n Any restrictions regarding the viscosity temperature and density of dosing...

Страница 8: ...nnel without adequate qualifications n Deposits in the dosing head due to inadequate purging particularly with suspensions n Bridging the external fuse n Operation made more difficult due to inadequat...

Страница 9: ...lculation wizard for pulse operation available online 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 n Dosing p...

Страница 10: ...ng medium flows 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 final position Due to the pressure in the dosing hea...

Страница 11: ...bles 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 pr...

Страница 12: ...ack pressure l h 2 6 6 11 3 14 7 19 7 ml stroke 0 28 0 67 1 26 1 63 2 19 Average back pressure bar 10 8 5 3 2 Max stroke frequency RPM 150 Suction height for non gassing media mWS 3 Table 7 Output dat...

Страница 13: ...1 C 0 80 Table 9 Approved media temperature 5 3 Electrical data Information Value MEMDOS SMART LD all sizes Voltage supply 110 240 V AC 10 5 50 60 Hz Power consumption W 25 Table 10 Electrical specifi...

Страница 14: ...LD 2 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 LD 2 5 10 with dosing head made of stai...

Страница 15: ...S SMART LD 15 20 84 17 5 L L 53 181 70 6 5 84 100 116 237 202 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 Connectio...

Страница 16: ...here 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 installation and...

Страница 17: ...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 18: ...n be changed in 90 intervals The suction valve c must always point downwards Accordingly arrow b and pressure valve a always point upwards This is irrespective of the positioning of the dosing head to...

Страница 19: ...rea on the grommet of connection piece d 6 Screw the union nut b onto the valve of the dosing pump Hose clip connected 8 4 2 Making the bonded connection a b Fig 14 Glue in connection Perform the foll...

Страница 20: ...rd 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 effervescent me...

Страница 21: ...medium into a main line n Preventing flowback into the pressure line through a non return valve Notes on assembly n Double ball injection nozzles must be installed into the main line vertically from t...

Страница 22: ...ipes and fittings 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 if n the shu...

Страница 23: ...ecessary if n there are considerably fluctuating system pressures n the pressure on the suction side is higher than on the discharge side or if you intend to carry out dosing into depressurized lines...

Страница 24: ...the severity of the pulsation increases with the length of the pipe n when using rigid piping instead of elastic hoses Notes on assembly n You should carry out assembly in the direct vicinity of the l...

Страница 25: ...n in the suction line n gas removal n optical dosing control with small amounts n smoothing of the suction flow a b e c f d g Fig 24 Installation with a priming aid No Description a Main line b Inject...

Страница 26: ...empties since the suction head increases n Dosing pumps that are installed below dosing tanks deliver less as the tank empties since the positive delivery pressure reduces Further problems that can o...

Страница 27: ...2 Stepper motor driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions No Description a Main line b Injection nozzle with shut off valve c Pressure line d Dosing tank e Dosing pump MEMDOS...

Страница 28: ...according to EMC regulations Only connect the dosing pump to sockets with an attached protective earth 9 1 Principles n The dosing pump has a 110 240 V AC 50 60 Hz wide range power supply unit n The...

Страница 29: ...moving the conductive rubber band Fig 30 Conductive rubber band in connection socket 1 Remove the conductive rubber band before inserting the cable in the connection socket After the cable has been re...

Страница 30: ...es level monitoring systems of Lutz Jesco GmbH An adapter is required if using older suction lines with a 3 5 mm jack plug You can find this adapter and additional cables in the Lutz Jesco GmbH price...

Страница 31: ...s not have an ON OFF switch After being disconnected from the power supply the dosing pump starts in the operating mode and configuration that you selected last 10 2 Explanation of the menu icons 10 2...

Страница 32: ...on menu 1 1 1 1 OK Fig 33 Activating the password protection 2 Use the and keys to set a value from 0 to 9 for the first digit of the code and then press 3 Proceed as described under point 2 for the o...

Страница 33: ...em for unauthorised persons CAUTION Danger of personal injury and material damage Changing dosing media can lead to unpredictable reactions Thoroughly clean the dosing pump and appropriate sections of...

Страница 34: ...ented i If you are using effervescent media allow them to flow out continuously Open the vent screw such that about one drop per 1 3 strokes escapes 11 2 Operating modes The dosing pump MEMDOS SMART L...

Страница 35: ...he transmission or reduction factor and the number of pulses however there is a possibility of uneven results with pending pulse signals In theses cases the required number of dosing strokes is only a...

Страница 36: ...rt ld Preselection of the dosing pump size You can use the following diagram to determine the necessary size of the dosing pump depending on the intended dosing quantity and the existing or selected p...

Страница 37: ...epending on the type of incident you must depressurized the hydraulic connections or locked to prevent dosing medium from escaping n You must follow the safety data sheet of the dosing medium 11 6 Sto...

Страница 38: ...nes Check that all the screw connections have been tightened correctly and are leak proof CAUTION Danger of personal injury and material damage The dosing pump can generate a pressure that is many tim...

Страница 39: ...four screws e on the dosing head using a suitable tool SW 3 Allen key and take off the dosing head d 2 Use pliers to bend the edge of the diaphragm c slightly upwards and screw it out counter clockwi...

Страница 40: ...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 supply Check the elec...

Страница 41: ...ean blocked injection nozzle Install pulsation dampeners to reduce pressure peaks if pipes are too long Check function of safety valves Table 34 Type of fault Delivery rate varies 13 1 4 No stroke mov...

Страница 42: ...s Possible cause Remedy System backpressure too high measured at discharge connection of dosing pump Clean blocked injection nozzle Install pulsation dampeners to reduce pressure peaks if pipes are to...

Страница 43: ...aphragm spare parts set containing n 1 diaphragm a n 1 set of dosing head screws c n 1 set washers d only MEMDOS SMART LD 15 20 Diaphragm kit Type Part No LD 2 39122 LD 5 LD 10 39123 LD 15 LD 20 40607...

Страница 44: ...mp can achieve at specific 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 de...

Страница 45: ...sicas aplic veis de seguran a e de sa de 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...

Страница 46: ...Reason for repair Dosing medium Description Irritating Yes No Properties Corrosive Yes No We hereby certify that the product has been cleaned thoroughly inside and outside before returning that it is...

Страница 47: ...47 Lutz Jesco GmbH 2015 Subject to technical changes 150302 BA 10102 02 V02 Stepper motor driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions Notes...

Страница 48: ...lication 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 con...

Страница 49: ...49 Lutz Jesco GmbH 2015 Subject to technical changes 150302 BA 10102 02 V02 Stepper motor driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions Notes...

Страница 50: ...ation of the icons 31 External On Off via Release input 37 External operation 35 F Foreseeable misuse 7 Function description 10 G General warnings 5 Glue in connection 19 H Hazards due to non complian...

Страница 51: ...nation 4 Spare parts 43 Specialist staff 6 Storage 37 Structure of the dosing pump 9 Suction pressure regulator 26 Suspensions 26 System piping 18 T Technical specifications 12 Temperatures Approved a...

Страница 52: ...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 SAIF Free Zone Ce...

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