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SCHMITT MPN Series, Оригинальное руководство по эксплуатации

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Troubleshooting

Fault number

1

2

3

4

5

6

7

8

9

Cause

Remedy

X

–

–

–

–

–

–

–

–

Intake / suction pipe and/or pressure line
closed by fitting

Open the fitting.

X

–

–

–

–

–

–

–

–

Transport and sealing cover still in place

Remove the transport and sealing
cover.
Dismount the pump and inspect it for
dry-running damage.

X

X

–

X

–

–

–

–

–

Motor speed too low

Compare the required motor speed with
the specifications on the pump type
plate. Replace the motor if necessary.
Increase the motor speed if speed
control is available.

X

X

–

X

–

–

–

–

–

Magnetic coupling has parted

Switch off pump and switch on again.

X

X

–

X

–

X

–

–

–

Intake / suction pipe, pump or suction
strainer blocked or encrusted

Clean intake/suction pipe, pump or
suction strainer.

X

X

–

X

–

X

–

–

–

Air is sucked in

Seal source of problem.

X

X

–

X

–

X

–

–

–

Proportion of gas too high: pump is
cavitating

Consult the manufacturer.

X

X

–

X

–

X

–

–

–

Pump running in the wrong direction

Change over any two phases in the
motor.

X

X

–

X

–

X

–

–

–

Impeller out of balance or blocked

Dismount the pump and inspect it for
dry-running damage.
Clean the impeller.

X

X

–

–

X

X

–

–

–

Pressure pipe blocked

Clean the pressure pipe.

X

–

–

–

–

X

–

–

–

Intake/suction pipe and pump not correctly
vented or not completely filled

Completely fill and vent pump and/or
pipe.

X

–

–

–

–

X

–

–

–

Intake / suction pipe contains trapped air

Install fitting for venting.
Adjust piping installation.

X

–

–

–

–

–

–

–

X

Standstill, bearing rings stuck

Disassemble the pump and carefully
free the bearing rings.

–

X

–

X

–

–

–

–

–

Intake / suction pipe not completely open

Open the fitting.

–

X

–

X

–

X

–

–

–

Cross section of intake / suction pipe too
narrow

Increase cross section.
Clean encrustation from suction pipe.
Fully open fitting.

–

X

–

X

–

X

–

–

–

Hydraulic parts of the pump dirty, clotted
or encrusted

Dismount the pump.
Clean the parts.

–

X

–

X

–

X

–

–

–

Suction head too large: NPSH

pump

is

larger than NPSH

system

Increase pump inlet pressure.
Consult the manufacturer.

–

X

–

X

–

X

–

–

–

Back pressure of the system is too high,
pump selected is too small.

Consult the manufacturer.

–

X

–

X

–

X

–

–

–

Pump parts worn

Replace the worn pump parts.

–

X

–

X

–

X

–

–

–

Pump jammed

Consult the manufacturer.

–

X

–

X

–

X

–

X

–

Motor running on 2 phases

Check the fuse and replace it if
necessary.
Check the cable connections and
insulation.

24

MPN

11333/0519

Содержание MPN Series

Страница 1: ...on Print No 11333 0519 SCHMITT Kreiselpumpen GmbH Co KG Einsteinstraße 33 76275 Ettlingen Germany Phone 49 0 7243 54 53 0 Fax 49 0 7243 54 53 22 E mail info schmitt pumpen de Internet www schmitt pumpen de Subject to technical modifications Read carefully before use Save for future use ...

Страница 2: ... 1 Keeping the piping clean 12 5 4 2 Installing suction pipe 12 5 4 3 Installing the pressure pipe 12 5 4 4 Inspection for stress free pipe connections 12 5 5 Electrical connection 13 5 5 1 Connecting the motor 13 5 5 2 Check direction of rotation 13 6 Operation 14 6 1 Preparing for commissioning 14 6 1 1 Check downtimes 14 6 1 2 Filling and bleeding 14 6 1 3 Check direction of rotation 14 6 2 Com...

Страница 3: ... and where found 4 Tab 2 Warning signs and consequences if disregarded 5 Tab 3 Symbols and their meaning 5 Tab 4 Measures to be taken if the pump is shut down 16 Tab 5 Measures depending on the behavior of the pumped liquid 16 Tab 6 Fault number assignment 23 Tab 7 Troubleshooting list 25 Tab 8 Designation of components according to part numbers 26 Tab 9 Ambient conditions 28 Tab 10 Wear limits fo...

Страница 4: ...ectrician Transport qualification Qualified transport specialist Responsibility Read observe and follow this manual and the other applicable documents especially all safety instructions and warnings 1 2 Other applicable documents Document purpose Where found The following documents are available online ATEX additional instructions Resistance lists Resistance of materials used to chemicals Data she...

Страница 5: ...rdous situation Minor injury NOTE potentially hazardous situation Material damage Tab 2 Warning signs and consequences if disregarded Symbol Meaning Safety warning sign Take note of all information highlighted by the safety warning sign and follow the instructions to avoid injury or death Instruction 1 2 Multiple step instructions Precondition Cross reference Information notes Tab 3 Symbols and th...

Страница 6: ...systems accordingly When conveying fluids containing solids observe the limit values for proportions of solid particles and particle size Particle size 3 mm Proportion of solid particles 10 Vol The type of installation should be selected only in accor dance with these operating instructions For example the following are not allowed Hanging pumps in the pipe Overhead installation Installation in th...

Страница 7: ...se them for storing paper or similar materials Do not remove the safety guarding for hot cold or moving parts during operation Use personal protective equipment if necessary Only carry out work on the pump while it is not running Before all installation and maintenance work disconnect the motor from the mains and secure it against being switched back on again Never reach into the suction or discha...

Страница 8: ...n 1 2 3 4 5 6 7 8 Fig 1 Name plate example 1 Article numbers 2 Type 3 Year of manufacture month year 4 Pump series 5 Size 6 Pump material 7 Immersion depth 8 Version 3 1 2 ATEX type plate D 76275 E lingen Germany www schmi pumpen de Tel 49 0 7243 5453 0 Ar kel Ref No 01215111 Typ Type MPN 210 PVDF ET 800 Baujahr Mfg date 12 2015 SCHMITT Kreiselpumpen II 3G Ex h IIB T3 1 Fig 2 ATEX type plate examp...

Страница 9: ...lange vertical 3 3 Assembly 1 2 3 4 5 7 9 8 6 Fig 3 MPN layout 1 Suction branch 2 Housing 3 Discharge flange 4 Rear cover 5 Pump support 6 Magnetic coupling hidden 7 Motor 8 Terminal box 9 Motor foot 3 4 Magnetic coupling Pumps with magnetic couplings are hermetically sealed and leaktight Power transmission from the motor is non contact through an enclosed and hermetically sealed rear cover on the...

Страница 10: ...l principle 1 Attach lifting gear in accordance with the above diagram 2 Lift the modular pump appropriately 4 2 Storage NOTE Material damage due to inappropriate storage Store the pump properly 1 Seal all openings with blind plugs or plastic covers 2 Make sure the storage room meets the following condi tions Dry Frost free Vibration free UV protected 3 Rotate the pump shaft twice a month 4 Make s...

Страница 11: ...llowing con ditions Level and horizontal Clean no oil dust or other impurities Capable of bearing the weight of the machine drive and all operating forces Ensures the stability of the machine drive 5 2 Setting up 1 Lift up the machine drive 4 1 Transport Page 10 2 Put down the machine drive at the place of installation 3 Screw the attachment bolts into the motor foot and tighten them 5 3 Planning ...

Страница 12: ...ing and shutting off the pipes For maintenance and repair work Provide shut off devices in the suction pipe and pressure line Dry run protection by measuring the operating conditions Provide monitoring sensors for both pressure and flow rate to protect the pump against dry running and consequential damage 5 4 Connecting the pipes NOTE Material damage due to excessive forces and torques on the pump...

Страница 13: ...ect the motor from the mains and secure against being switched back on again 5 5 1 Connecting the motor Follow the instructions of the motor manufacturer 1 Connect the motor according to the connection diagram 2 Make sure no danger arises due to electric power 3 Install an EMERGENCY STOP switch 5 5 2 Check direction of rotation Only possible when starting up 6 2 Commissioning Page 15 11333 0519 MP...

Страница 14: ...damage as a result of dry running Make sure the pump is filled properly 1 Open the suction side fitting 2 Open the pressure side fitting 3 Fill pump and suction pipe with fluid 4 Verify that no pipe connections are leaking 6 1 3 Check direction of rotation DANGER Danger to life from rotating parts Use personal protective equipment when carrying out any work on the pump Maintain an adequate distanc...

Страница 15: ...essure side fitting slowly until the operating point is reached 5 Make sure temperature change is smaller than 5 K min for pumps with hot fluids 6 After the initial stress due to the pressure and operating temperature check that the pump is not leaking 7 If leaks are present at the casing seals or connection flanges proceed as follows Switch off motor Close the control valves Remedy the leaks 6 2 ...

Страница 16: ...ifying freezing non corrosive Heat up or empty the pump and containers Empty the pump and containers Solidifying freezing corrosive Heat up or empty the pump and containers Empty the pump and containers Remains liquid non corrosive Remains liquid corrosive Empty the pump and containers Tab 5 Measures depending on the behavior of the pumped liquid 6 4 Restoring the pump to service 1 If the pump is ...

Страница 17: ...is therefore not possible to make general state ments about the operating life DANGER Danger to life and material damage due to magnetic field Make sure that personnel with pacemakers do not com plete work on the pump Secure the work place and if necessary cordon off Make sure that personnel with pacemakers keep a safe distance of 1 m Make sure that no magnetizable metal parts can be attracted by ...

Страница 18: ...or wear 9 2 2 Wear limits Page 28 If the angle rings are worn dispose of them and fit new parts 10 Screw the angle rings 11h 12v finger tight on to the impeller 04 as far as the stop 11 Check the ring 13v on the housing 06 for wear If it is worn completely dispose of the housing and the ring and fit a new part 12 Check the ring 10h on the rear cover 05 for wear If it is worn completely dispose of ...

Страница 19: ...t any work on the pump Allow the pump to cool completely before commencing any work Make sure the pump is depressurized Empty the pump safely collect the pumped liquid and dam age it in accordance with environmental rules and require ments WARNING Risk of injury due to heavy components Pay attention to the component weight Lift and transport heavy components using suitable lifting gear Set down co...

Страница 20: ...If necessary rotate the motor and pump support 01 into a suitable position that allows the external magnet 07 to be removed 9 Rotate the external magnet 07 until the hexagon socket screw 09 at the opening of the pump support can be removed 10 Unscrew the hexagon socket screw 09 from the external magnet 07 11 Pull the external magnet 07 off the motor shaft 12 Remove the hexagon socket screws 27 fro...

Страница 21: ...on When installing please observe Replace worn parts with genuine spare parts Replace seals inserting them in such a way that they are unable to rotate Do not apply synthetic or mineral oil grease or cleaning agents to elastomer components 7 5 2 Assembly of the pump Follow the section drawing for assembly 9 1 2 Drawing Page 27 Preparing the impeller for installation The impeller angle rings housin...

Страница 22: ...so make sure that the ring 13v is seated correctly on the angle ring 12v 17 Using the hex head bolts 27 3 washers 42 3 and hexagon nuts 43 attach the housing 36 to the pump support 01 When doing so tighten the nuts across diagonals and to the correct torque 9 2 5 Tightening torques of casing screws Page 29 18 Spin the motor fan impeller and make sure that the impeller 04 runs freely in the plain b...

Страница 23: ...izable metal parts Maintain a safe distance of at least 150 mm from the mag netic coupling for magnetically sensitive objects If faults occur which are not specified in the following table or cannot be traced back to the specified causes please consult the manufacturer Possible faults are identified by a fault number in the table below This number identifies the respective cause and rem edy in the...

Страница 24: ...t it for dry running damage Clean the impeller X X X X Pressure pipe blocked Clean the pressure pipe X X Intake suction pipe and pump not correctly vented or not completely filled Completely fill and vent pump and or pipe X X Intake suction pipe contains trapped air Install fitting for venting Adjust piping installation X X Standstill bearing rings stuck Disassemble the pump and carefully free the...

Страница 25: ... too high Compare the required motor speed with the specifications on the pump type plate Replace the motor if necessary Reduce the motor speed if speed control is available X X X X Impeller diameter too large Throttle down the flow rate at the pressure side fitting Observe the minimum flow rate Machine the impeller down Consult the manufacturer and adjust the impeller diameter X X X Geodetic diff...

Страница 26: ...port 04 Impeller 05 Rear cover 06 Housing 07 External magnet 09 Hexagon socket screw 10 h Ring rear cover 11 h Angle ring 12v Angle ring 13v Ring housing 27 Hexagon socket screw 27 3 Hexagon head bolt 36 Seal 42 3 Washer 43 Hexagon nut Tab 8 Designation of components according to part numbers 26 MPN 11333 0519 ...

Страница 27: ...Appendix 9 1 2 Drawing 09 04 10h 05 07 36 27 3 06 13v 12v 42 3 43 01 11h 27 Fig 6 Parts 11333 0519 MPN 27 ...

Страница 28: ...e damaged if for instance they exhibit deep grooves or unevenness b d Fig 7 Wear limits for the large angle ring 12v housing end b Thickness d Diameter of the sliding face b d MPN size new mm min mm new mm min mm 80 3 4 3 1 33 8 33 5 101 130 3 5 3 2 41 8 41 5 150 190 4 3 7 64 7 64 4 Tab 10 Wear limits for the large angle ring housing end d1 b d2 Fig 8 Wear limits for the small angle ring 11h rear ...

Страница 29: ... Tolerance 3 dB 9 2 5 Tightening torques of casing screws Depending on the type of material of the pump comply with the following tightening torques and use a torque wrench MPN size PVDF Nm PP Nm 80 2 2 101 2 2 115 2 2 130 3 3 150 3 3 170 5 4 180H 7 6 190 7 6 Tab 14 Tightening torques of casing screws 9 2 6 Flow rate The pump is operated within the following delivery flow rate limits Flow rate MPN...

Страница 30: ...ns Check the screw fastenings for correct and secure fitting Plain bearing Check the angle rings for wear 9 2 2 Wear limits Page 28 Change the angle rings if necessary Check the rings in the housing and rear cover for damage If necessary change all the parts Impeller Check the impeller for dirt and damage If the impeller is dirty clean it If the impeller is damaged replace it Quarterly Housing sea...

Страница 31: ... the design of the listed pumps satisfies the provisions of the EU Directives The relevant points satisfy the requirements of the EC Machinery Directive 2006 42 EC Low Voltage Directive 2014 35 EU Electromagnetic Compatibility 2014 30 EU Harmonized standards applied EN ISO 12100 2010 EN 809 1998 A1 2009 AC 2010 D Brandt Einsteinstrasse 33a 76275 Ettlingen Managing Director Documentation Officer SC...

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