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7 Servicing/Maintenance

41 of 60

Multi Eco

7.4.5 Removing the mechanical seal and rolling element bearings

ü

The stage casing has been removed.

(

ð

Section 7.4.4, Page 39)

1.

Remove and discard the support ring of mechanical seal 45-4.

2.

Remove and discard the rotating part of mechanical seal 433.

3.

Unscrew the fastening screws from the discharge cover.

4.

Remove the discharge cover.

5.

Remove the stationary part of mechanical seal 433 and thrower 270 and discard
thrower 270.

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Summary of Contents for Multi Eco

Page 1: ...Centrifugal Pump Multi Eco Multi Eco Multi Eco Pro Multi Eco Top Installation Operating Manual ...

Page 2: ...ents provided herein must neither be distributed copied reproduced edited or processed for any other purpose nor otherwise transmitted published or made available to a third party without the manufacturer s express written consent Subject to technical modification without prior notice KSB SE Co KGaA Frankenthal 18 01 2018 ...

Page 3: ...al 13 4 Description of the Pump Set 14 4 1 General description 14 4 2 Designation 14 4 3 Name plate 14 4 4 Design details 14 4 5 Configuration and function 15 4 6 Scope of supply 18 4 7 Dimensions and weights 19 4 8 Noise characteristics 19 5 Installation at Site 20 5 1 Safety regulations 20 5 2 Checks to be carried out prior to installation 21 5 3 Installing the pump set 21 5 4 Piping 21 5 4 1 Co...

Page 4: ...p set 38 7 4 3 Removing the complete pump set from the piping 38 7 4 4 Removing the stage casings 39 7 4 5 Removing the mechanical seal and rolling element bearings 41 7 4 6 General information Safety regulations 42 7 4 7 Fitting the rolling element bearings and the mechanical seal 43 7 4 8 Fitting the stage casings 46 7 5 Reassembling the pump set 49 7 6 Spare parts stock 49 7 6 1 Ordering spare ...

Page 5: ...omponents in contact with the fluid handled Close coupled design Motor directly fitted to the pump via a flange or a drive lantern Pump Machine without drive additional components or accessories Pump set Complete pump set consisting of pump drive additional components and accessories Self priming ability Ability of a filled pump to evacuate a suction line i e to self prime from an unfilled suction...

Page 6: ...ist technical personnel ð Section 2 4 Page 9 1 4 Other applicable documents Table 1 Overview of other applicable documents Document Contents Data sheet Description of the technical data of the pump set General arrangement drawing outline drawing Description of mating and installation dimensions for the pump set weights Hydraulic characteristic curve Characteristic curves showing head NPSHrequired ...

Page 7: ...1 General 7 of 60 Multi Eco Symbol Description 1 2 Step by step instructions Note Recommendations and important information on how to handle the product ...

Page 8: ...ne of the signal words this symbol indicates a hazard involving electrical voltage and identifies information about protection against electrical voltage Machine damage In conjunction with the signal word CAUTION this symbol indicates a hazard for the machine and its functions 2 2 General This manual contains general installation operating and maintenance instructions that must be observed to ensu...

Page 9: ... Never exceed the permissible operating limits specified in the data sheet or product literature regarding pressure temperature etc Observe all safety information and instructions in this manual 2 4 Personnel qualification and training All personnel involved must be fully qualified to transport install operate maintain and inspect the machinery this manual refers to The responsibilities competence...

Page 10: ...difications or alterations of the pump are only permitted with the manufacturer s prior consent Use only original spare parts or parts authorised by the manufacturer The use of other parts can invalidate any liability of the manufacturer for resulting damage The operator ensures that maintenance inspection and installation is performed by authorised qualified specialist personnel who are thoroughl...

Page 11: ...e specified position Never attach the suspension arrangement to the free shaft end or the motor eyebolt Give due attention to the weight data and the centre of gravity Observe the applicable local health and safety regulations Use suitable permitted lifting accessories e g self tightening lifting tongs CAUTION Improper pump transport Damage to the pump Never suspend the pump pump set from the powe...

Page 12: ...ant as possible 2 Properly cover the pump set The pump set is removed from the system 1 Properly shut down the pump set 2 Remove the suction and discharge lines from the pump WARNING Fluids posing a health hazard Hazard to persons and the environment Collect and properly dispose of flushing liquid and any residues of the fluid handled Wear safety clothing and a protective mask if required Observe ...

Page 13: ...ys complete and enclose a certificate of decontamination when returning the pump set Always indicate any safety and decontamination measures taken ð Section 12 Page 58 NOTE If required a blank certificate of decontamination can be downloaded from the following web site www ksb com certificate_of_decontamination 3 5 Disposal WARNING Fluids consumables and supplies which are hot and or pose a health...

Page 14: ... E Single phase AC 50 Tank volume in litres 4 3 Name plate Multi Eco 35 6 P Hmax 45 m LWA 59 dB Classe F IP44 450 V 2014 3 000000 00027 2014w38 40982846 MADE IN FRANCE 220 240 V 50 Hz C 12 µF 800 W 3 7 A KSB SAS F 59 320 Sequedin 1 2 3 4 5 6 7 8 9 10 11 Fig 1 Name plate example 1 Type series size 2 Voltage 3 Nominal frequency 4 Nominal power 5 Capacitor capacity 6 Enclosure 7 Series code 8 Nominal...

Page 15: ...ure gauge with cables for pump and mains connection Multi Eco Top Multi Eco pump Membrane type accumulator pressurised at the factory Metal braided hose between pump and accumulator Pressure switch for automatic operation factory set 4 5 Configuration and function Design Multistage self priming pump in close coupled design with axial fluid inlet and vertical fluid outlet The hydraulic system runs ...

Page 16: ...mp via the suction nozzle 1 and is accelerated outward by the rotating impellers 5 In the flow passage of the diffusers 6 and the pump casing the kinetic energy of the fluid is converted into pressure energy The fluid is pumped to the discharge nozzle 2 where it leaves the pump At the rear side of the impeller the shaft 3 enters the casing via the discharge cover 7 The shaft passage is sealed by a...

Page 17: ...d the pump is stopped The green Power indicator lamp of Controlmatic E 2 is lit Phase No 2 When the consumer installation is opened the water pressure in the system decreases The pump is started up Phase No 3 The pump is running the yellow On indicator lamp is lit Phase No 4 When the consumer installation has been closed and the flow rate is zero the pump is stopped after 10 seconds The pump is pr...

Page 18: ...n the model the following items are included in the scope of supply Pump Drive Multi Eco E and D Multi Eco pump Without power cable connected via motor s terminal strip Multi Eco P Multi Eco pump Power cable length 1 5 m and CEE plug 2 phases earth conductor Handle Multi Eco Pro Multi Eco pump Power cable length 1 5 m and CEE plug 2 phases earth conductor Controlmatic E 2 automatic control unit wi...

Page 19: ... Eco 35 E P 11 Multi Eco 36 E P 14 Multi Eco 65 E P 14 Table 7 Multi Eco Pro weights Size Weight kg Multi Eco Pro 34 13 Multi Eco Pro 35 13 Multi Eco Pro 36 16 Multi Eco Pro 65 16 Table 8 Multi Eco Top weights Size Weight kg Multi Eco Top 34 E 20 19 Multi Eco Top 35 E 20 19 Multi Eco Top 35 E 50 21 Multi Eco Top 36 E 50 24 Multi Eco Top 65 E 50 24 Multi Eco Top 36 D 50 24 Multi Eco Top 65 D 50 24 ...

Page 20: ... the quality of the supplied cable Verify that all sealing elements at the pump s terminal box are properly fitted DANGER Electrical connection work by unqualified personnel Danger of death from electric shock Always have the electrical connections installed by a trained and qualified electrician Observe regulations IEC 60364 DANGER Using damaged power cables Danger of death from electric shock Ne...

Page 21: ...g 5 3 Installing the pump set WARNING Excessive temperatures due to improper installation Burns from touching hot surfaces Damage to the pump set Install the pump set at distance of at least 30 mm from the wall in a dry well ventilated room that is not at risk of flooding ü The place of installation has been properly prepared ð Section 5 2 Page 21 1 Place the pump set in horizontal position 2 Bolt...

Page 22: ...cial suction line of at least the same nominal diameter as the pump s suction nozzle ü A sand filter is connected to the suction line The suction strainer must have a mesh size of more than 2 mm For fluids containing sand max 50 g m the suction strainer must have a mesh size of less ...

Page 23: ...5 Installation at Site 23 of 60 Multi Eco than 1 mm NOTE KSB offers G1 and G11 4 sand filters for installation on the suction side of the pump They can be ordered from specialist suppliers ...

Page 24: ...ction nozzle 1 Fit a swing check valve into the piping Multi Eco Top Pro mandatory Multi Eco Pro recommended The swing check valve is not included in the scope of supply 2 If required install a filter in the piping NOTE Use a filter with laid in wire mesh of 0 5 mm x 0 25 mm mesh size x wire diameter made of corrosion resistant material Use a filter with a filter area three times the cross section...

Page 25: ...Eco 4 Screw the connection fitting into the pump Screw plastic fittings in by hand Tighten metal connection fittings to a tightening torque of 100 Nm with a wrench 5 Slide the suction line onto the connection fitting and fasten with a clamp ...

Page 26: ... to the nominal diameter of the pump s discharge nozzle 1 Seal the discharge line connection with Teflon tape 2 Screw the connection fitting into the pump Screw plastic fittings in by hand Screw in metal connection fittings with a wrench tightening torque 100 Nm 3 Slide the discharge line onto the connection fitting and fasten with a clamp ...

Page 27: ...ti Eco pump sets are equipped with a thermal overload protection device with automatic reset and start up The three phase motors of Multi Eco pump sets are not equipped with a thermal overload protection device NOTE KSB recommends that pump sets without thermal overload protection should be connected via a thermal protective switch 5 6 Electrical system 5 6 1 Electrical connection DANGER Electrica...

Page 28: ...r protection device is recommended 5 7 Checking the direction of rotation WARNING Temperature increase caused by rotating parts Risk of injuries Damage to the pump set Never check the direction of rotation by starting up the unfilled pump set WARNING Hands inside the pump casing Risk of injuries damage to the pump Always disconnect the pump set from the power supply and secure it against unintenti...

Page 29: ...check the electrical connection and correct the direction of rotation 1 Start the motor and stop it again immediately to determine the motor s direction of rotation 2 Check the direction of rotation The motor s direction of rotation must match the arrow indicating the direction of rotation on the pump s name plate 3 If the motor runs in the wrong direction of rotation check the electrical connecti...

Page 30: ...electric power supply and is equipped with all protection devices The pump has been primed with the fluid to be handled The direction of rotation has been checked All auxiliary connections required are connected and operational After prolonged shutdown of the pump set the activities described in ð Section 6 4 Page 35 have been carried out 6 1 2 Priming the pump 1 Unscrew the filler screw 2 Fill in...

Page 31: ...n 1 Open a consumer installation 6 1 4 Setting the start up und stop pressures Multi Eco Top only 1 Set start up pressure P1 Fig 5 Setting start up pressure P1 2 Set differential pressure P Fig 6 Pressure control P1 Start up pressure of pump P2 Stop pressure of pump ΔP Differential pressure ...

Page 32: ...discharge side gate valve slightly or fully open CAUTION Excessive temperatures due to dry running or excessive gas content in the fluid handled Damage to the pump set Never operate the pump set without liquid fill Prime the pump as per operating instructions Always operate the pump within the permissible operating range CAUTION Abnormal noises vibrations temperatures or leakage Damage to the pump...

Page 33: ...ermissible ambient temperatures Observe the following parameters and values during operation Table 10 Permissible ambient temperatures Permissible ambient temperature Value Maximum 50 C Minimum See data sheet 6 2 2 Maximum operating pressure CAUTION Permissible operating pressure exceeded Damage to connections and seals Never exceed the operating pressure specified in the data sheet Table 11 Maxim...

Page 34: ...nnect all electrical connections and secure against unintentional start up The pump set remains installed ü Sufficient fluid is supplied for the operation check run of the pump 1 Start up the pump set regularly between once a month and once every three months for approximately five minutes during prolonged shutdown periods This will prevent the formation of deposits within the pump and the pump in...

Page 35: ... 6 4 Returning to service For returning the equipment to service observe the sections on commissioning start up ð Section 6 1 Page 30 and the operating limits In addition carry out all servicing maintenance operations before returning the pump set to service ð Section 7 Page 36 WARNING Failure to re install or re activate protective devices Risk of personal injury from moving parts or escaping flu...

Page 36: ... HD 637 S1 WARNING Unqualified personnel performing work on the pump set Risk of injury Always have repair and maintenance work performed by specially trained qualified personnel DANGER Insufficient preparation of work on the pump set Risk of injury Properly shut down the pump set Close the shut off elements in suction and discharge line Drain the pump and release the pump pressure Close any auxil...

Page 37: ...pection work 7 3 1 Cleaning the suction strainer The suction strainer should be cleaned regularly 1 Disconnect the power supply at the motor 2 Open a consumer installation on the pump s discharge side to reduce the pressure in the piping 3 Disconnect and remove all auxiliary pipework 4 Remove filter and clean 5 Re install the filter in the piping 7 3 2 Checking the pre charge pressure of the accum...

Page 38: ...ices lifting equipment and lifting tackle to move heavy assemblies or components NOTE After a prolonged period of operation the individual components may be hard to pull off the shaft If this is the case use a brand name penetrating agent and or if possible an appropriate puller 7 4 2 Preparing the pump set WARNING Excessive accumulator pressure Liquid spurting out of the accumulator at operating ...

Page 39: ... set has been disconnected from the power supply ü The pump set has been removed from the system 1 Undo the bolts at the pump casing 2 Take off the pump casing 3 Take off the pump shroud and O ring 412 01 and discard O ring 412 01 4 Take off the fan hood and the O ring Discard the O ring ...

Page 40: ...he shaft nut remove and discard the washer 7 Pull the complete stage assembly off the shaft 8 Dismantle impellers 230 diffusers 171 and sealing element of stage casing 412 02 Remove and discard O ring 412 01 9 Remove and discard circlip 932 03 used for locking the mechanical seal ...

Page 41: ...n removed ð Section 7 4 4 Page 39 1 Remove and discard the support ring of mechanical seal 45 4 2 Remove and discard the rotating part of mechanical seal 433 3 Unscrew the fastening screws from the discharge cover 4 Remove the discharge cover 5 Remove the stationary part of mechanical seal 433 and thrower 270 and discard thrower 270 ...

Page 42: ...lement bearings 321 01 and 321 02 9 Remove and discard circlips 932 01 and 932 02 7 4 6 General information Safety regulations WARNING Improper lifting moving of heavy assemblies or components Personal injury and damage to property Use suitable transport devices lifting equipment and lifting tackle to move heavy assemblies or components ...

Page 43: ...kets making sure that they have the same thickness as the old ones Always fit gaskets of asbestos free materials or graphite without using lubricants e g copper grease graphite paste Assembly adhesives Avoid the use of assembly adhesives if possible Match the lubricants to the fluid handled e g water for foodstuff applications Tightening torques Tighten all screws and bolts as specified in this ma...

Page 44: ...o the rotor 4 Place a new flexible disc 931 into the rolling element bearing seat in the motor housing 5 Insert the rotor into the motor housing Make sure that the upper rolling element bearing abuts the flexible disc 6 Fit the stationary part of mechanical seal 433 and make sure it is correctly seated ...

Page 45: ... shaft 8 Mount the discharge cover on the motor 9 Tighten the screws fastening the discharge cover to the motor housing 10 Wet the shaft with soapy water for easier re assembly of the rotating part of mechanical seal 433 11 Slide on the rotating part of mechanical seal 433 ...

Page 46: ...he shaft 7 4 8 Fitting the stage casings ü The rolling element bearings and mechanical seal have been fitted ð Section 7 4 7 Page 43 1 Fit the disc on the discharge cover Make sure it is correctly seated 2 Fit diffuser 171 impeller 230 and stage casing 109 of one stage after the other Make sure the stage casing and diffuser are correctly aligned ...

Page 47: ...ring 412 02 onto the last stage casing 4 Fit washer 554 02 screw on and tighten the two nuts 921 Tightening torque 10Nm 5 Slide fan impeller 831 onto the motor shaft 6 Fit fan hood 832 onto the motor housing 7 Place new O ring 412 03 onto the discharge cover ...

Page 48: ... Eco 8 Mount the pump shroud on the discharge cover Make sure it is correctly seated 9 Place new O ring 412 01 onto the pump casing 10 Fit the pump casing 11 Screw the fastening bolts into the pump casing and tighten Tightening torque 10 Nm ...

Page 49: ...ruction Refer to the name plate for all data Also specify the following data Part number and description Quantity of spare parts Shipping address Mode of dispatch freight mail express freight air freight 7 6 2 Recommended spare parts stock for 2 years operation to DIN 24296 Table 12 Quantity of spare parts for recommended spare parts stock Part No Description Number of pumps including stand by pum...

Page 50: ...essary Air cannot escape as discharge side is closed Open the discharge side Wrong direction of rotation Check the electrical connection Air intake at suction strainer Check whether suction strainer is sufficiently immersed and water reservoir is sufficiently filled Suction strainer or sand filter fully or partially clogged Check position of suction strainer Clean suction strainer and sand filter ...

Page 51: ...Part No Description 10 5 Pump section 746 Flap 106 Suction casing 81 22 Terminal box cover 109 Stage casing without return vanes 81 42 Terminal box 171 Diffuser 824 Cable 230 Impeller 831 Fan impeller 270 Deflector 832 Fan hood 321 Radial ball bearing 837 Capacitor 400 Gasket 838 Switch 412 O ring 900 Screw 433 Mechanical seal 921 Shaft nut 45 4 Spacer 931 Lock washer ...

Page 52: ...acket 9 2 Installation example 9 2 1 Multi Eco Pro Fig 8 Installation drawing of Multi Eco Pro A Suction head operation B Suction lift operation H1 Minimum 0 3 m H2 Minimum 0 1 m H3 Maximum 8 m 1 Suction strainer with foot valve 2 Suction strainer 3 Gate valve 4 Pipe clamp 5 Automatic control unit 6 Pump set ...

Page 53: ...ator 7 Pump set 9 3 Dimensions Multi Eco Multi Eco P Multi Eco E and D Rc 1 4 M H 186 141 36 Rc 1 4 57 5 l1 l2 160 5 95 47 5 10 47 5 234 A B 1 2 Rc 1 4 H 186 141 36 160 5 95 47 5 47 5 57 5 Rc 1 4 M 1 A B l1 l2 A Suction nozzle B Discharge nozzle 1 Two holes Ø 8 2 Length 1 5 m Table 15 Dimensions in mm Multi Eco Ø A Suction nozzle Ø B Discharge nozzle l1 l2 H ØM 33 G 1 G 1 151 5 387 215 118 34 G 1 ...

Page 54: ...5 118 36 1 G 1 G 1 208 467 230 140 65 1 G 1 1 4 G 1 1 4 208 467 230 140 Multi Eco Top l1 l2 d1 h2 h1 d2 57 5 R1 4 R1 4 e A B B 1 2 A Suction nozzle B Discharge nozzle 1 Four holes Ø 8 2 Length 1 5 m Table 17 Dimensions in mm Multi Eco Top Ø A Suction nozzle Ø B Discharge nozzle d1 d2 l1 l2 h1 h2 e 34 20 Rp 1 G 1 260 202 570 155 525 425 28 35 20 Rp 1 G 1 260 202 570 155 525 425 57 35 50 Rp 1 G 1 36...

Page 55: ...9 Related Documents 55 of 60 Multi Eco ...

Page 56: ...ective 2006 42 EC The manufacturer also declares that the following harmonised international standards have been applied ISO 12100 EN 809 EN 60034 1 EN 60034 5 A1 EN 60335 1 A1 EN 60335 2 41 Person authorised to compile the technical file Dr Frank Obermair Technical Project Manager Product Development Pump Systems and Drives KSB SE Co KGaA Johann Klein Straße 9 67227 Frankenthal Germany The EU Dec...

Page 57: ...ery Directive 2006 42 EC The manufacturer also declares that the following harmonised international standards have been applied ISO 12100 EN 809 EN 60034 1 EN 60034 5 A1 Person authorised to compile the technical file Dr Frank Obermair Technical Project Manager Product Development Pump Systems and Drives KSB SE Co KGaA Johann Klein Straße 9 67227 Frankenthal Germany The EU Declaration of Conformit...

Page 58: ...n bearing inner rotor has been removed from the pump and cleaned In cases of containment shroud leakage the outer rotor bearing bracket lantern leakage barrier and bearing bracket or intermediate piece have also been cleaned For canned motor pumps the rotor and plain bearing have been removed from the pump for cleaning In cases of leakage at the stator can the stator space has been examined for fl...

Page 59: ...s 50 Filter 24 I Installation at site 21 Intended use 9 M Maintenance 38 Misuse 9 N Noise characteristics 19 O Order number 6 Other applicable documents 6 P Partly completed machinery 6 Piping 24 Preservation 13 35 Product description 14 R Reassembly 38 43 Return to supplier 13 Returning to service 35 S Safety 8 Safety awareness 10 Scope of supply 18 Shutdown 35 Spare part Ordering spare parts 49 ...

Page 60: ...KSB S A S 128 rue Carnot 59320 Sequedin France B P 60095 59482 Haubourdin Cedex France Tél 33 3 2022 7000 Fax 33 3 2022 7099 www ksb com 5180 8 07 EN ...

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