Robot Pumps BW Series Manual

782-080-GB HSC 09-W13 Edition 4
OPERAOPERA
OPERAOPERA
OPERATIONTION
TIONTION
TION
&&
&&
&
MAINTENMAINTEN
MAINTENMAINTEN
MAINTENANCE MANUANCE MANU
ANCE MANUANCE MANU
ANCE MANUALAL
ALAL
AL
BW/BD-SERIESBW/BD-SERIES
BW/BD-SERIESBW/BD-SERIES
BW/BD-SERIES
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Operation &
Maintenance Manual
Pump
BW/BD
782-080-GB HSC 09-W13 Edition 4 3/22
Contents ........................................................................................................... page
1. FOREWORD................................................................................................................. 4
2. GUARANTEE ............................................................................................................... 4
3. SAFETYAND ENVIRONMENT .................................................................................... 5
3.1 Symbols ............................................................................................................................................... 5
3.2 General safety instructions................................................................................................................... 5
3.3 Environment......................................................................................................................................... 5
4. TECHNICALDATA ....................................................................................................... 6
4.1 General ................................................................................................................................................ 6
4.2 Main parts ............................................................................................................................................ 6
4.3 Sound level .......................................................................................................................................... 7
5. CHECK POINTS BEFORE INSTALLATION................................................................. 8
5.1 Delivery check...................................................................................................................................... 8
5.2 Oillevel ................................................................................................................................................. 8
5.3 Power supply........................................................................................................................................ 8
5.4 Motor protection ................................................................................................................................... 8
5.5 Electromotor......................................................................................................................................... 8
5.6 Pump seals .......................................................................................................................................... 8
5.7 Installation parts ................................................................................................................................... 8
6. FIRST PUMPSTART..................................................................................................... 9
6.1 Direction of rotation.............................................................................................................................. 9
6.2 Current-check....................................................................................................................................... 9
6.3 Startfrequency...................................................................................................................................... 9
7. INSTALLATION OPTIONS ........................................................................................... 10
7.1 General ................................................................................................................................................ 10
7.2 Installation -H ....................................................................................................................................... 10
7.3 Installation -V ....................................................................................................................................... 11
7.4 Installation -HS and-VS........................................................................................................................ 11
7.5 Installation -K ....................................................................................................................................... 12
7.6 Maximum flange forces and moments ................................................................................................. 13
8. MAINTENANCE............................................................................................................ 14
8.1 General ................................................................................................................................................ 14
8.2 Maintenanceschedule .......................................................................................................................... 14
8.3 Lubricants............................................................................................................................................. 14
8.4 Oil level................................................................................................................................................ 14
8.5 Oil change............................................................................................................................................ 14
8.6 Flexible coupling .................................................................................................................................. 15
9. TRANSPORT AND STORAGE..................................................................................... 17
10. OPTIONS......................................................................................................................17
10.1 Seal flushing ........................................................................................................................................ 17
11. TROUBLE SHOOTING ................................................................................................ 18
APPENDIX 1; Dataplate ....................................................................................................... 19
APPENDIX 2; Example of a direct start (DOL) diagram.................................................... 20
APPENDIX 3; Example of a star-delta start (YD) diagram ................................................ 21
APPENDIX 4; Notes ............................................................................................................. 22
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Operation &
Maintenance Manual
Pump
BW/BD
782-080-GB HSC 09-W13 Edition 4 5/22
3. SAFETYAND ENVIRONMENT
3.1 Symbols
* In this manual
General warning
Danger !
Electrical hazard !
Attention!
* On the pump
Danger of physical injury
Rotating parts !
Electrical hazard !
EC-conformity symbol
3.2 General safety instructions
* Onlytrained and authorized personnel mayinstall
and maintain the pump after carefully reading this
manual.
* Only use the pump for its intended purpose and
under the regulated circumstances.
* Don’t go near rotating parts.
* Clean the pump before maintenance and inspection.
* Observe the local regulations when working with
agressive,corrossive,toxic, flammable andexplosive
chemicals.
* Never remove safety signs, keep them clean.
* Always connect to a grounded circuit.
* Before maintenance and inspection always
disconnect the pump from the mains.
* Use a proper hoist for lifting and handling the pump.
* Never drop the loose cable end in water.
3.3 Environment
Parts which are replaced during repair, maintenance or
renewal, could contain materials which could be harmful
to the environment.
Please take care in the disposal of these parts.
Do this in accordance with the local environmental
regulations.
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Operation &
Maintenance Manual Pump BW/BD
6/22 Edition 4 HSC 09-W13 782-080-GB
4. TECHNICALDATA
4.1 General
The BW- and BD-pumps are vortex impeller pumps,
designed to pump a wide variety of solids contaminated
liquids.
The hydraulic components of the BD-pumps are made
in NIHARD IV.
These pumps are suitable for dredging, mining and
other industrial applications.
The impeller leaves a wide unobstructed passage
through the volute, in which a strong vortex is created
that carries most of the solids.
Construction:
- Two independent shaft seals, running in oil.
- Heavydutybearings, greased forlife.
- Clog-free vortex impeller.
- Vanes at the backside prevent solids entering the
seal area and reducing the pressure on the seal.
BW with bearing unit
1 Pumpcasing
2 Impeller
3 Suction
4 Delivery
5 Bearinghousing
6 Pumpshaft
7 Mechanical seal pump side
8 Seal driven side
9 Bearing
10 Oiltank
11 Oil plug with gauge rod
12 Drain plug
13 Connection pressure gaug
BW-S short coupled version
1 Pumpcasing
2 Impeller
3 Suction
4 Delivery
5 Motor support
6 Motor
7 Mechanical seal pump side
8 Seal driven side
9 Shaft
10 Oiltank
11 Oil plug with gauge rod
4.2 Main parts
BW
BW -S
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Operation &
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Pump
BW/BD
782-080-GB HSC 09-W13 Edition 4 7/22
4.3 Sound level
Depending on duty point and speed, the pump will
produce a certain sound level.
Next to this the piping system may produce some noise
and vibration.
Byaltering thepipe support and using rubber
compensatorsthe vibration willbereduced.
In the next table the sound levels of the BW- and BD
pumps are shown.
Sound levels BW and BD pumps
Type Speed Sound level
[rpm] [dB]
BW20 960-2900 <70
BW40 960-2900 <70
BW60 960/1450 <70
BW60 2900 <80
BW3000 960-1450 <70
BW3000 2900 <80
BW5000 960-1450 <70
BW6000 960-1450 <70
BD40 960-1450 <70
BD60 960-1450 <70
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Operation &
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8/22 Edition 4 HSC 09-W13 782-080-GB
5. CHECKPOINTS BEFORE
INSTALLATION
After unpacking the pump, carry out the following check
points:
5.1 Delivery-check
Checkfor possible transportdamage.
Check for complete delivery.
Whenthe delivery is incomplete ordamaged,
pleasecontact your dealer immediately.
5.2 Oillevel
Check the oil level in the oiltank.
Theoil plughas a gauge rod and the level should be
between the 2 marks.
5.3 Power supply
Before making the electrical connections, check if
the line voltage and frequency are the same as on the
pump dataplate.
If thermostats are supplied make sure that they are
correctly connected.
Forexamples ofelectrical diagramsand pump cable
coding, see appendix 2 and 3.
5.4 Motor protection
The pump should always be connected to the line by
means of a suitable motor protection circuitbreaker.
If the pump is started direct on line (DOL), the protection
breaker should be set to the current, as given on the
dataplate.
For star delta start (YD), it is good practice to install the
overcurrent relay directly after the main contactor. In this
case, the pump is also adequately protected in star-
connection. The maximum setting of the overcurrent
relay is 0.6x the current as given on the dataplate.
It is good practice to set the protection breaker at a 10%
lower current, because all breakers require at least
110% of the adjusted current before tripping.
5.5 Motor check
If in doubt about the condition of the motor, megger test
motorwindings against grounding wire.
The value should be at least 1 MOhm.
5.6 Pump seals
Turnthe impellerclockwise byhand, usinga proper
socket wrench (see fig. 5.1).
With this procedure sticking mechanical seal surfaces
will be loosened smoothly.
5.7 Installation
Checkif all componentsfor yourinstallation are delivered.
See also chapter 6.
Fig. 5.1
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Operation &
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Pump
BW/BD
782-080-GB HSC 09-W13 Edition 4 9/22
6. FIRST PUMPSTART
6.1 Direction of rotation
A correct direction of rotation is essential for proper
operation.
Check the direction of rotation with the arrow on the
pumpcasing.
This can be done by observing the direction of rotation
of the motor or coupling.
6.2 Current-check
The current must be checked during normal operation.
Apply an ammeter to one of the phase wires and check
that the current is not higher than the value on the motor
dataplate. If so, check for:
- low voltage ?
- Specific gravity or viscosity too high ?
- blocked volute ?
- direction of rotation correct ?
If the problem cannot be solved contact your dealer.
6.3 Start frequency
Whenthe pumpis controlledby level regulation,
the on and off levels should be adjusted in such a way
that the pump does not make more than 20 starts per
hour.
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Operation &
Maintenance Manual Pump BW/BD
10/22 Edition 4 HSC 09-W13 782-080-GB
7. INSTALLATION OPTIONS
7.1 General:
For the BW/BD pumps the following installations are
possible:
-H Horizontal, on baseplate
-V Vertical, on support
-SH Short coupled, horizontal
-SV Short coupled,vertical
-K V-beltdriven
7.2 Installation - H
Horizontal installation on base plate.
See fig. 7.1
The main parts are:
1. pump unit;
2. bearing unit;
3. flexible spacer coupling;
4. protection hood;
5. electromotor;
6. base plate;
7. fixing bolts;
8. delivery pipe;
9. suction pipe;
10.level regulation.
Checkpoints before operation:
- fixation of the baseplate to the floor,
see fig. 7.1 pos. 7.
- flanges straight horizontal and vertical
see fig. 7.2 pos 1.
- pump and motor shaft aligned, see 7.2.1.
- Maximum flange forces and moments,
see 7.5.
- adjust start and stop levels in such a way that
the pump does not make more than 20 starts
per hour.
7.2.1 Alignment of pump and motor shaft
After the baseplate is fixed to the floor, the alignment of
pump and motorshaft must be checked.
When the baseplate is fixed to the floor, forces on the
baseplate might have disturbed the alignment .
Remove the protection hood, (see fig. 7.1 pos 4).
Check for:
1. radial deflection (R) max. 0.4mm.
2. angulardeflection(A) max. 1o
See fig. 7.3.
To correct the alignment, use skims underneath the motor
and pump fixing bolts.
Re-installthe protectionhood inthe originalposition.
Fig. 7.1
Fig. 7.2
Fig. 7.3
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Operation &
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782-080-GB HSC 09-W13 Edition 4 11/22
7.3 Installation -V
Vertical installation on support.
See fig. 7.4.
The main parts are:
1. pump unit;
2. bearing unit;
3. flexible coupling;
4. motor support;
5. electromotor;
6. pump support;
7. fixing bolts;
8. delivery pipe;
9. suction pipe;
10.level regulation.
Checkpoints before operation:
- fixation of the baseplate to the floor,
see fig. 7.4 pos. 7.
- flanges straight horizontal and vertical
- Maximum flange forces and moments,
see 7.6.
- adjust start and stop levels in such a way that
the pump does not make more than 20 starts
per hour.
7.4 Installation -HS and -VS
Shortcoupledversion, horizontal orvertical.
See fig. 7.5 or 7.6.
The main parts are:
1. pump unit;
2. motor support;
3. electromotor;
4. pump support;
5. fixing bolts;
6. delivery pipe;
7. suction pipe;
8. level regulation.
Checkpoints before operation:
- fixation of the baseplate to the floor,
see fig. 7.5 and 7.6 pos. 5.
- flanges straight horizontal and vertical
- Maximum flange forces and moments,
see 7.6.
- adjust start and stop levels in such a way that
the pump does not make more than 20 starts
per hour.
Fig. 7.4
Fig. 7.5
Fig. 7.6
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Operation &
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12/22 Edition 4 HSC 09-W13 782-080-GB
7.5 Installation -K
V-belt driven with high placed motor and frame.
See fig. 7.7.
The main parts are:
1. pump unit;
2. bearing unit;
3. pulleys;
4. tensioner;
5. electromotor;
6. frame;
7. protection plate (2x);
8. fixing bolts (4x);
9. delivery pipe;
10.suction pipe;
11.level regulation.
Checkpoints before operation:
- fixation of the baseplate to the floor,
see fig. 7.7 pos. 8.
- flanges straight horizontal and vertical
- Maximum flange forces and moments,
see 7.6.
- adjust start and stop levels in such a way that
the pump does not make more than 20 starts
per hour.
- correct tension of the V-belts. see . 7.5.1
7.5.1 Tension of the V-belts
Check the correct tension of the V-belts as follows:.
Remove one of the protection plates.
Put a force of 75N on one of the V-belts in the middle of
the 2 pulleys, see fig 7.8.
The pressing-in (A) must be about 1 cm .
Is the value too small (tension too high), move the
electromotor (1) downwards.
Is the value too high (tension too low), move the
electromotor upwards.
The difference between the 3 belts may not be more
than 0.5 cm. In that case renew all 3 V-belts.
To move the electromotor, use the tensioning rail (2) .
Place both tensioners (3) underneath the motor. Loosen
the motor fixing bolts a bit, and screw-in the tensioners
(taut) or screw-out (slack), until the correct tension is
reached.
Retension the fixing bolts of the motor, and recheck the
tension again.
Check afterwards if both pulleys are still aligned
(see Fig.7.9).
Fig. 7.8
Fig. 7.7
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BW/BD
782-080-GB HSC 09-W13 Edition 4 13/22
Use a ruler (1) to align the pulleys.
If necessary the motor pulley can be moved on the
shaft. Loosen the 3 cup screws from the hub and push
the pulley towards the motor to set it free from the shaft.
Move the pulley to the right position and fasten the cup
screws.
Check the alignment again and repeat until the right
position is achieved.
When the motorshaft is not parallel to the pumpshaft,
the motor can be rotated as shown in fig.7.9. Loosen the
motor fixing bolts and use the tensioners (3) to rotate
the motor. If necessary, one of the tensioners can be
placed into the rail above the motor.
Check the correct tension of the V-belts!
Replacethe protection plate.
The pump is now ready to use.
7.6 Maximum flange forces and moments
Because of the pipeline system, specific forces on the
discharge and suction flanges will occur.
See Fig. 7.10:
1. forces Fx, Fy en Fz
2. moments Mxy, Mxz en Myz
Theforces andmoments may not exceed the values from
thetable below:
Pump Fx Fy Fz Mxy Mxz Myz
type [N] [N] [N] [Nm] [Nm] [Nm]
BW20 1000 1000 2000 900 900 1000
BW40 1200 1200 2500 1000 1000 1100
BW60 1200 1200 2800 1100 1100 1200
BW3000 1200 1200 2500 1000 1000 1100
BW5000 1200 1200 2500 1000 1000 1100
BW6000 1200 1200 2800 1100 1100 1200
BD40 1200 1200 2500 1000 1000 1100
BD60 1200 1200 2800 1100 1100 1200
Fig. 7.9
Fig. 7.10
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Operation &
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14/22 Edition 4 HSC 09-W13 782-080-GB
8. MAINTENANCE
8.1 General
Always disconnect the pump from the mains
before inspection or disassembly.
Clean the pump thoroughly.
8.2 Maintenance schedule
* After the first 20 running hours:
- Check the oil (see chapter 8.4).
If there is more than a few drops of water
in it, contact your dealer.
* Every 6 months or 500 running hours:
- Check the oil (see chapter 8.4).
If there is more than a few cm3water in it,
contact your dealer.
- Refresh the oil every year or when it is no
longertransparent.(see chapter8.5)
8.3 Lubricants
* The bearings are greased for life and need
no refill.
* Theoil reservoir is filled withExxonMobil Marcol152
oranequivalent.
Viscosity: 32 cSt.
When another kind of oil is used this is
marked on a label on the pump.
8.4 Oil level
Check the oil level in the oiltank.
The oil plug has a gauge rod and the level should be
between the 2 marks.
8.5 Oil change
Collection, storage and removal of the oil should be
doneaccording to the regulations ofthe local authorities.
Always use the right kind of oil!
To drain the oil, remove one of the oil pipes,
or use the drain pipe (not applicable for all
types).
We advise to flush the system with fresh oil,
before filling it up.
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Operation &
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782-080-GB HSC 09-W13 Edition 4 15/22
8.6 Flexible coupling
Between motor and pump a flexible coupling is used to
absorbvibrations and mis-alignment. Also the
dismountingof the bearing housing ormotor will become
easy.
(Notappicablefor version-Sand -K).
For maintenance and renewal of elastomers version -H,
see 8.6.1 and 8.6.2. For version -V see 8.6.3 and 8.6.4
When working on the pump make sure it
cannot start unexpectedly !
8.6.1 Flexible coupling installation -H
To check the coupling removethe protectinghood.
Check if the spacer (4) has not too much clearance with
regard to the flanges (1). Remove the rings (2) and
check the elastomers for wear. Renew if necessary.
Check the metal parts (1) and (4) for wear and renew if
necessary (see 8.6.2).
Check the alignment of motor- and pump shaft by using
a ruler at the 2 flanges. Measure at several points.
Check for:
1. radial deflection (R) max. 0.4mm.
2. angulair deflection (A) max. 1o
See fig. 8.1.
To correct the alignment, use skims underneath the motor
and pump fixing bolts.
Re-installthespacer,elastomers, ringsand protecting
hood.
8.6.2 Renewal of the coupling -H
Ifnecessary thecoupling can be renewed as follows:
1. Remove the rings (2) and elastomers (3).
2. Remove the spacer (4).
3. Loosen the cup screws from the flanges (1) and pull
the flanges from the shaft with a proper tool.
4. Heat-up the new flanges and put them on the shafts.
The distance between the flanges must be about
5mm more than the lenght of the spacer (4).
Fasten the cup screws from the flanges.
5. Check the alignment of motor- and pump shaft (see
8.6.1)
6. Place the new spacer, elastomers and rings.
7. Replace the protecting hood.
Fig. 8.1
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Operation &
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16/22 Edition 4 HSC 09-W13 782-080-GB
8.6.3 Flexible coupling installation -V
Tocheck thecoupling remove theprotecting hoodsfrom
the motor support.
See Fig. 8.2
Check if the coupling has not too much clearance with
regard to the flanges (1).
Remove the screws from the ring (2) and lift it.
Remove the elastomer (3) and check for wear.
Renew when necessary.
Check the flanges for wear.
Check if the distance between the flanges (S) is between
2 and 4 mm.
Replace elastomer, ring and protecting hoods.
8.6.4 Renewal of the coupling -V
Ifnecessary thecoupling can be renewed as follows:
1. Removetheprotecting hoods fromthe motor support
and remove the srcews from the ring (2) and lift it.
2. Removetheelastomer(3).
3. Remove the motor fixing bolts and lift the motor.
4. Loosen the cup screws from the flanges (1) and pull
the flanges from the shaft with a proper tool.
5. Heat-up the new flanges and put them on the shafts
at the same position as the old ones.
6. Fastenthe cup screws from the flanges andreplace
the motor. Don’t forget to place the ring (2) !
7. Checkif the distance between the flanges is between
2 and 4 mm.
8. Place the new elastomer.
9. Replace ring and protecting hoods.
Fig. 8.2
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BW/BD
782-080-GB HSC 09-W13 Edition 4 17/22
9. TRANSPORTAND STORAGE
Always use a proper hoisting tool for lifting
the pump.
Use the lifting eyes as shown in fig.9.1
To avoid oil spil, the pump must be transported and
stored in the same position as the installation. Or a
sealing plug should be used for the oil tank.
In case of long storage, the pump must be protected
against moisture and heat.
Before storing the pump clean it with a waterjet.
On a regular base (every three months), turn the
impeller by hand, this is necessary to prevent
sticking of the mechanical seal surfaces (see Fig. 9.2).
After 6 months of storage, a general inspection is
advised, before installing the pump.
10. OPTION
10.1 Seal flushing
As an option, the pump can be delivered with a seal
flushingconnection. See fig.10.1
A ring (1) is mounted in the sealhousing, with a small
fitting around the impeller hub or sealing parts.
The flushing water inlet is connected to (3).
The flushing water keeps the sealing room (2) behind
the impeller free from the pumped liquid.
We advise to use an electromagnetic valve and a flow
indicator in the flushing system so to be sure to have
flushing water during pump operation.
The needed flushing pressure must be at least
2/3 of the pump pressure.
Fig. 9.1
Fig. 9.2
Fig. 10.1
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Operation &
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18/22 Edition 4 HSC 09-W13 782-080-GB
11. TROUBLE SHOOTING
11.1 Safety
When working on the motor, make sure
that the power is switched off.
When working on the pump make sure it
cannot start unexpectedly!
Only qualified electricians may do the
electrical work.
When starting the pump ensure nobody
goes near rotating parts.
Observe local electrical and safety regulations!
11.2 Trouble shooting list
MELBORPESUACELBISSOPNOITCADERIUQERSTNIOPKCEHC
tratstonseodpmuP
slanimretrotomnoegatlovoN
ylppusrewopkcehC rewopoN* hctiwsrotalosiniaM* sesuF*
noitcetorprotomkcehC
yalereg
akaelhtraE* yalernoitcetorprotoM* erutarepmetrotoM* rotcetedretaW*
slangispotsdna-tratskcehC
levelretawwol
ooT* sehctiwsleveldetcurtsbO* degnahcretnisehctiwS* lenaplortnoC*
eruliafrotoMgniriwrotomkcehC noitalosidna
ytiunitnoC* ecnatsiseresahP*
potstonseodpmuP
langispotsoNnoitalugerlevelkcehC sehctiwstaolF* lenaplortnoC*
levelpotsdna-tratsgnorWnoitalugerlevelkcehC s
ehctiwsleveldetcurtsbO* levelpotsdna-tratstsujdA* elbatstonylppusrewoP*
spotsdnastratspmuP yldetaeper
ylppusrewopnitluaFylppusrewopkcehC egatlovwoL* elbaliavasesahp3llatoN* noitcetorprotomfognitteS*
dedaolrev
orotoMpmupkcehC noitatorfonoitceridgnorW* dekcolbrellepmI* edomtesercitamotuaninoitcetorP*
detaehrevorotoM gniloockcehC rotomkcehC noitalosidnaytiunitnoC* sesuF*
hgihoottnerruC
ylppusrewopnitluaFylppusrewopkcehCegatlovwoL*
eruliafpmuPpmupkcehC dekcolbrellepmI* hgihootytivarg.cepsroyt
isocsiV* noitatorfonoitceridgnorW*
rowolfontubsnurpmuP wolfwoloot
kcolriarogniggolCegrahcsidkcehC detcurtsboegrahcsiD* desolcyltraproyllufevlaV* egrahcsidropmupnitekcopriA
*
eruliafpmuPpmupkcehC dekcolbetulovrorellepmI* riahcumootgnikcussipmuP* rellepminekorbronroW*
ylppusrewopn
itluaFylppusrewopkcehC lenaplortnoC* sesuF* egatlovwoL*
yticapacwolooTegrahcsidkcehC detcurtsboegrahcsiD* des
olcyltraproyllufevlaV* tekcopriA*
mralalevelhgiH
eruliafpmuPpmupkcehC
dekcolbetulovrorellepmI* riahcumootgnikcussipmuP* rellepminekorbronroW* sgniraebnekor
bronroW*
ylppusrewopnitluaFylppusrewopkcehC sesuF* lenaplortnoC*
eruliafrotoMrotomkcehCnoitalosidnaytiunitno
C*
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Operation &
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Pump
BW/BD
782-080-GB HSC 09-W13 Edition 4 19/22
APPENDIX 1; Dataplate
The main characteristics of the pump are given on the dataplate.
At the first page of this book a label is found containing all the relevant information.
The dataplate can be found at one side of the bearinghousing or the motor support (version -S).
Nr.Description
1 Pump type
2 Pump code
3 Pump speed
4 Flow in duty point
5 Head in duty point
6 Impeller diameter
7 Factory code
8 Serial number
9 Options
Dimension
rpm
m3/h
mlc
mm
Remarks
first 2 numbers are year of production
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Operation &
Maintenance Manual Pump BW/BD
20/22 Edition 4 HSC 09-W13 782-080-GB
opposite
direction
of rotation
motor in delta motor in star
CODING
e1, e2, e3 Linefuses
e4,e5 Fuses, primarycontrol-circuit
e6 Fuses, secondary control-circuit
C Maincontactor
F1 Motorprotection circuitbreaker withmanual reset
D1 Auxiliaryrelay formotor protection
D2 Auxiliaryrelay for powerfailure
Tr Transformer
S Manual-off-autoselector switch
Start Levelswitchpumpstart
Stop Levelswitchpump stop
Re Resetpush button
M Pumpmotor
T Thermostats(iffitted)
APPENDIX 2; Example of a direct-on-line connection diagram
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T [phone]
[email protected]

Operation &
Maintenance Manual
Pump
BW/BD
782-080-GB HSC 09-W13 Edition 4 21/22
APPENDIX 3; Example of a star-delta connection diagram
motorwiring
opposite
direction
of
rotation
CODING
e1, e2, e3 Linefuses
e4,e5 Fuses, primarycontrol-circuit
e6 Fuses, secondary control-circuit
F1 Motorprotection circuitbreaker withmanual reset
C Maincontactor
D1 Relaydelta connection
D2 Relaystar connection
Tr Transformer
S Manual-off-autoselectorswitch
Start Level switchpump start
Stop Levelswitchpump stop
Re Resetpush button
M Pumpmotor
T Thermostats(iffitted)
www.robotpompen-onderdelen.nl
T [phone]
[email protected]

Operation &
Maintenance Manual Pump BW/BD
22/22 Edition 4 HSC 09-W13 782-080-GB
APPENDIX 4; Notes:
Name Date Remarks
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