Trotec TWP 4006 E User manual

TRT-BA-TWP4006E-TWP7506E-TC2020-49-001-EN
TWP 4006 E / TWP 7506 E
EN
OPERATING MANUAL
SUBMERGED CLEAR WATER
PUMP, NEAR-GROUND
SUCTION

2 EN
submerged clear water pump, near-ground suction TWP 4006 E / TWP 7506 E
Table of contents
Notes regarding the operating manual.................................2
Safety .....................................................................................2
Information about the device................................................5
Transport and storage...........................................................7
Assembly and installation.....................................................7
Operation .............................................................................10
Errors and faults..................................................................12
Maintenance ........................................................................13
Technical annex...................................................................14
Disposal ...............................................................................15
Notes regarding the operating manual
Symbols
Warning of electrical voltage
This symbol indicates dangers to the life and health of
persons due to electrical voltage.
Warning
This signal word indicates a hazard with an average
risk level which, if not avoided, can result in serious
injury or death.
Caution
This signal word indicates a hazard with a low risk
level which, if not avoided, can result in minor or
moderate injury.
Note
This signal word indicates important information
(e.g. material damage), but does not indicate hazards.
Info
Information marked with this symbol helps you to carry
out your tasks quickly and safely.
Follow the manual
Information marked with this symbol indicates that the
operating manual must be observed.
You can download the current version of the operating manual
and the EU declaration of conformity via the following link:
TWP 4006 E
https://hub.trotec.com/?id=44817
TWP 7506 E
https://hub.trotec.com/?id=44818
Safety
Read this manual carefully before starting or using the
device. Always store the manual in the immediate vicinity
of the device or its site of use.
Warning
Read all safety warnings and all instructions.
Failure to follow the warnings and instructions may
result in electric shock, fire and/or serious injury.
Save all warnings and instructions for future
reference.
This appliance can be used by children aged
from 8years and above and persons with reduced
physical, sensory or mental capabilities or lack of
experience and knowledge if they have been given
supervision or instruction concerning use of the
appliance in a safe way and understand the hazards
involved.
Children shall not play with the appliance. Cleaning and
user maintenance shall not be made by children
without supervision.

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submerged clear water pump, near-ground suction TWP 4006 E / TWP 7506 E
General safety
• Do not use the device in potentially explosive rooms or
areas and do not install it there.
• Do not use the device in aggressive atmosphere.
• Check accessories and connection parts for possible
damage prior to every use of the device. Do not use any
defective devices or device parts.
• Before carrying out maintenance, care or repair work on
the device, remove the mains plug from the mains socket.
Hold onto the mains plug while doing so.
• When positioning the device, observe the minimum
distances from walls and other objects as well as the
storage and operating conditions specified in the Technical
data chapter.
• Do not remove any safety signs, stickers or labels from the
device. Keep all safety signs, stickers and labels in legible
condition.
General safety warnings – Electrical safety
• The device is to be supplied with a rated residual current
of no more than 30mA by means of an RCD (Residual
Current protective Device).
• Ensure that all electric cables outside of the device are
protected from damage (e.g. caused by animals). Never
use the device if electric cables or the power connection
are damaged!
• The electrical connection must correspond to the
specifications in chapter Technical data.
• Insert the mains plug into a properly secured mains
socket.
• Switch the device off and disconnect the power cable from
the mains socket when the device is not in use.
• Do not under any circumstances use the device if you
detect damages on the mains plug or power cable.
If the connection line of this device is damaged, the device
must be sent for recycling in accordance with the
specifications provided in the Disposal chapter.
Defective power cables pose a serious health risk!
• Should there be a risk of flooding, install the plug
connections in a flood-proof area. There is a risk of
electric shock!
• Make sure that the mains voltage corresponds to the
specifications on the nameplate.
• Have all electrical installations carried out by an expert
according to the national regulations and the device-
specific requirements.
• Do not use the power cable to drag the device.
• Hold onto the mains plug while pulling the power cable out
of the mains socket.
• Protect the power supply cable against heat, oil and sharp
edges. Make sure that the power supply cable is not
crushed, kinked or subjected to other mechanical stresses.
• Only use splash-proof extension cables intended for
outdoor use whilst observing the device's power input.
Before using cable drums, always unroll the cable
completely. Check the cable for damage. The use of
extension cables which are not approved for outdoor use
can result in injuries due to electric shock.
• Before performing any work on the device, in case of leaks
in the water system, before taking work breaks or when
not in use, remove the mains plug from the mains socket.
General safety warnings – Personal safety
• Never use the device with persons or animals in the water
or pumping medium or if they could access it. There is a
risk of electric shock!
• Never insert any objects or limbs into the device.
• This appliance is not a toy! Keep away from children and
animals. Do not leave the device unattended during
operation.
Device-specific safety warnings for submerged
pumps
• Do not leave the device running unattended to ensure an
early detection of when the device runs dry or switches off
automatically. This would damage the device. Regularly
check the float for proper functioning.
• Please bear in mind, that the device is not suitable for
continuous operation (e.g. for watercourses in garden
ponds). Check the device for proper functioning on a
regular basis.
• Keep in mind, that lubricants are used within the device.
These might potentially cause damages or contaminations
if emitted. Do not use the device for drinking water or in
garden ponds with either a fish population or valuable
plants.
• The device is not to be carried by holding it at the power
supply cable or hose. Do not fasten it there either.
• Do not place any objects on the device – not even to
weight it down. The device will sink to the ground due to
its own weight.
• After the set-up of the device, its mains plug must be
readily accessible during operation.
• Wear sturdy shoes to protect yourself against electric
shock.
• Provide appropriate frost protection.

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submerged clear water pump, near-ground suction TWP 4006 E / TWP 7506 E
• Before taking the device into operation, have the following
checked by an expert:
– earthing, neutral conductor and RCD must be
functioning properly and correspond to the national
regulations,
– electrical plug connections must be protected from
moisture.
Intended use
The device is only suited for draining, conveying and pumping
over the following media:
• clear water
• non-corrosive suds (e.g. leaking washing machine)
• slightly chlorinated water
When doing so, the water must not contain any suspended
matter exceeding a maximum particle size of 5mm.
The device is fully submersible (watertight encapsulation) and
can be immersed up to 7m into the pumping medium.
The water temperature must not exceed 35°C.
The device may temporarily be used for e.g.:
• pumping out flooded basements
• emptying tanks and containers
• water withdrawal from wells and shafts
Improper use
• The device is not suitable for continuous operation (e.g. as
recirculation pump for ponds).
• Using the device in swimming pools and the like is
prohibited.
• The device is not suitable as permanent, automatic
overflow protection of e.g. wells or fountains or for the
regulation of the groundwater level. Use a stationary waste
water pumping system for building and property drainage
for these purposes.
• The device is not suitable for increasing the pressure of
existing water supply networks.
• The device is not suitable for pumping potable water.
• The device must not be used for aggressive, abrasive,
caustic, corrosive, combustible or explosive pumping
media, e.g.:
– brine
– sandy water
– food
– cleaning agents
– fuels (e.g. petrol, diesel)
– oils
– greases
– petroleum
– nitro-cellulose thinner
– waste water from lavatories and urinal installations
• The device must not be used at freezing temperatures.
• Any unauthorised modifications, alterations or structural
changes to the device are forbidden.
• Any operation other than as described in this manual is
prohibited. Non-observance renders all claims for liability
and guarantee null and void.
Personnel qualifications
People who use this device must:
• be aware of the dangers that occur when working with
electric devices in damp areas.
• have read and understood the operating manual, especially
the Safety chapter.
Safety signs and labels on the device
Note
Do not remove any safety signs, stickers or labels from
the device. Keep all safety signs, stickers and labels in
legible condition.
The following safety signs and labels are attached to the device:
Warning of electrical voltage
Information marked with this symbol indicates dangers
to the life and health of persons due to electrical
voltage.
General warning sign
This symbol indicates that you must be aware of the
dangers that can occur when working with the device.
Device may start up without warning
This symbol indicates that the device may start up
without warning when it is switched on.
Do not use damaged power cables or mains plugs
This symbol indicates that the device must no longer be
operated if the power cable is damaged.
Staying in water prohibited
This symbol indicates that the device must not be
operated with persons or animals in the water.
Do not use at freezing temperatures
This symbol indicates that the device must be protected
from frost.
Keep out of the reach of children – not a toy
This symbol indicates that the device is not a toy and is
thus not suitable for children.
Do not pull the mains plug by the power cable
This symbol indicates that you must not pull the mains
plug out of the socket by the power cable.
Pull the mains plug
This symbol indicates that the mains plug must be
removed from the socket when the device is not in use.

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submerged clear water pump, near-ground suction TWP 4006 E / TWP 7506 E
Not suitable for pumping potable water
This symbol indicates that the device is not suitable for
pumping potable water.
Submerge pump at a slight angle
This symbol indicates that the pump must be
submerged into the water at a slight angle to allow the
remaining air to escape.
Residual risks
Warning of electrical voltage
Work on the electrical components must only be
carried out by an authorised specialist company!
Warning of electrical voltage
Before any work on the device, remove the mains plug
from the mains socket!
Do not touch the mains plug with wet or damp hands.
Hold onto the mains plug while pulling the power cable
out of the mains socket.
Warning
Dangers can occur at the device when it is used by
untrained people in an unprofessional or improper way!
Observe the personnel qualifications!
Warning
The device is not a toy and does not belong in the
hands of children.
Warning
Risk of suffocation!
Do not leave the packaging lying around. Children may
use it as a dangerous toy.
Note
If you store or transport the device improperly, the
device may be damaged.
Note the information regarding transport and storage of
the device.
Behaviour in the event of an emergency
1. In an emergency, disconnect the device from the mains
feed-in: Hold onto the mains plug while pulling the power
cable out of the mains socket.
2. Do not reconnect a defective device to the mains.
Overheating protection
The device is provided with a thermal protection circuit which is
activated by overheating of the device and then switches the
device off.
Switch the device off and let it cool down. Investigate the cause
of overheating. Should the problem persist, please contact the
customer service.
Information about the device
Device description
The submerged clear water pump is suited for draining,
conveying and pumping over clear water with the contained
suspended matter not exceeding a maximum particle size
of 5mm.
A float ensures the automatic switch-on and switch-off at a
respectively defined height. Additionally, the switch-on/-off
height can be finely adjusted within the specified range by
means of a locking device, see technical data.
The water temperature must not exceed 35°C.
Hoses with an inner diameter of 25mm or 38mm can be
connected to the supplied reducer. Pipe or hose connections
with a G1½" / DN25 internal thread can also be connected to
the reducer, and pipe or hose connections with a G1½" / DN40
internal thread can be connected to the elbow which is also
supplied.
For quick installation and uninstallation, the device is equipped
with a connection for the "Quick Connect" connection system.

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submerged clear water pump, near-ground suction TWP 4006 E / TWP 7506 E
Device depiction
1
3
4
2
6
5
Accessories
7
10
a
b
c
d
8
9
No. Designation
1Transport handle / attachment for nylon cord
2Connection for connection system
3Float switch locking device
4Float switch
5Power cable
6Air intake opening
7Reducer
8Backflow preventer
9Stainless steel washer
10 Elbow
Connection options
No. Designation
a Hose connection for an inner diameter of 25mm
(with hose clamp)
b Hose connection for a G1"/ DN25 internal thread
c Hose connection for an inner diameter of 38mm
(with hose clamp)
d Hose connection for a G1½"/ DN40 internal thread

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submerged clear water pump, near-ground suction TWP 4006 E / TWP 7506 E
Transport and storage
Note
If you store or transport the device improperly, the
device may be damaged.
Note the information regarding transport and storage of
the device.
Transport
Before transporting the device, observe the following:
• Hold onto the mains plug while pulling the power cable out
of the mains socket.
• Do not use the power cable to drag the device.
• Only carry the device by the transport handle.
• Do not carry the device by holding it at the power cable or
hose.
Storage
When the device is not being used, observe the following
storage conditions:
• Dry and protected from frost and heat
• In an upright position where it is protected from dust and
direct sunlight
• With a cover to protect it from invasive dust, if necessary
• Place no further devices or objects on top of the device to
prevent it from being damaged.
If you do not use the device for an extended period of time, it
must be cleaned thoroughly after its last application and before
recommissioning. Deposits and residues could lead to start-up
difficulties.
For restart, please proceed according to the Start-up chapter.
Assembly and installation
Scope of delivery
• 1x Submerged clear water pump
• 1x Reducer for hoses with inner diameters of 25mm or
38mm as well as hose connections withG1"/DN25
internal thread
• 1x elbow for hose connections with G1½"/ DN40 internal
thread
• 1x Backflow preventer (pre-installed)
• 1x Stainless steel washer (pre-installed)
• 1x Nylon cord (10m)
• 1x Manual
Unpacking the device
1. Open the cardboard box and take the device out.
2. Completely remove the packaging.
3. Fully unwind the power cable. Make sure that the power
cable is not damaged and that you do not damage it during
unwinding.
Start-up
Connecting the pipe or hose line
The device may be operated using either a hose line or a pipe.
Ex factory, the device is delivered with a connection for the
"Quick Connect" connection system.
Please observe the following information regarding water
discharge:
• Please note that making use of the reducer(7) might
decrease the device performance. The reducer should be
shortened to the used diameter so as not to affect the
device performance.
• Please note that the device cannot be moved as flexibly
when using a solid pipe.
• Note that the maximum particle size is reduced according
to the hose diameter.
• Please note that the conveying capacity declines with an
increasing length of the water discharge line.
Info
If required, you can cut the reducer(7) off at the
desired diameter.
At delivery the reducer(7) is already assembled with
the backflow preventer(8) and stainless steel
washer(9) onto the elbow(10).

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submerged clear water pump, near-ground suction TWP 4006 E / TWP 7506 E
Hose line without thread
1. Slide an appropriate hose clamp onto the hose.
2. Push the hose (inner diameter 25mm or 38mm) onto the
reducer(7) all the way to the stop.
7
3. Affix the hose by means of the hose clamp.
Pipe connection or hose connection with internal thread
1. Screw the pipe connection or hose connection (internal
threadG1"/ DN25) onto the reducer(7).
7
10
Alternatively, you can also screw the pipe connection or hose
connection with the internal threadG1½"/ DN40 directly onto
the elbow(10).
Installing the connection system
1. Press the red button on the elbow(10).
2. Push the elbow(10) onto the pump connection(2).
2
10
In order to remove the connection system, press the red button
on the elbow(10) and pull it off.
10

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submerged clear water pump, near-ground suction TWP 4006 E / TWP 7506 E
Adjusting the float switch
The device comes equipped with a float switch(4) which
switches the device on or off automatically according to the
water level. Check the float switch(4) for proper functioning at
regular intervals.
Switching point Water level
TWP4006E
Height for switch-on approx. 500mm
Height for switch-off approx. 100mm
TWP7506E
Height for switch-on approx. 550mm
Height for switch-off approx. 120mm
The pumping height can be regulated by means of the float
switch(4) and its position in the float switch locking device(3).
Please observe the following information regarding the float
switch(4):
• Make sure that the float switch(4) always has enough
clearance and is not permanently activated. This could
prevent the automatic switch-off causing the device to run
dry. This would damage the pump.
• Make sure that the float switch(4) is able to move freely
and does not suffer from a limited mobility caused by
obstacles.
• Observe a sufficient distance between float switch(4) and
float switch locking device(3), for this could prevent the
automatic switch-off causing the device to run dry.
• Make sure that the position of float switch(4) is adjusted in a
way, that it does not lie flat on the ground. This could prevent
the automatic switch-off causing the device to run dry.
If required, lock the float switch(4) by means of the float switch
locking device(3). To do so, push the float switch locking
device(3) from above into the respective holder on the housing
with the float switch(4) pointing downwards. In order to adjust
the desired pumping height, insert the cable of the float
switch(4) through the float switch locking device(3).
3
4
Positioning the device
Please observe the following information regarding the device
set-up and before switching the device on:
• The float switch must be able to move freely. The shaft
into which the device is lowered must not restrict the
mobility of the float switch in any way.
• Do not leave the device running unattended.
• Make sure that the device is firmly placed on the ground or
safely suspended.
• When using the device in bodies of water with natural,
muddy ground, hook or set the device up at a slightly
elevation position, e.g. on bricks.
• Check whether the hose or pipe was attached properly.
• Make sure that the power cable(5) is not under tensile
load and has enough clearance.
• Make sure that the mains connection corresponds to the
specifications provided in the technical data.
• Check the mains socket for its proper condition. The mains
socket's fusing must be sufficient.
• Make it impossible for moisture to reach mains plug or
socket. There is a risk of electric shock!
Warning of electrical voltage
Electric shock from damaged power supply cable.
Make sure not to hold or suspend the device by the
power supply cable under any circumstances.
Note
At the bottom of ponds and other waterbodies deposits
may have accumulated over time. To prevent the
device from being damaged, do not lower it all the way
to the ground unless you are certain that the water is
clean, in other words that the size of the dirt particles
in the water does not exceed 5mm.

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submerged clear water pump, near-ground suction TWP 4006 E / TWP 7506 E
1. Fasten the supplied nylon cord to the transport handle(1)
at the top of the device.
7 m
1
2. Lower the device into the water at a slight angle to allow
any remaining air to escape.
3. If you want the device to be positioned on the ground,
ensure that the latter is even.
4. Attach the end of the nylon cord to an easily accessible
position, so you can pull the device back out after pumping
has been completed.
Operation
Switching the device on
Once you have completely installed the device as described in
the Start-up chapter, you can switch it on.
Warning of electrical voltage
Do not touch the mains plug with wet or damp hands.
Info
The device has an automatic ventilation function. If the
liquid level is low, any air that is sucked in or that
remains in the pump will escape. In addition, liquids
may escape at this point.
If the device has trouble with the air intake when the
liquid level is low, you can repeatedly unplug and plug
in the mains plug to support the air suction process.
1. Plug the mains plug into a sufficiently fused mains socket.
ðThe device will be switched on when the float switch is
situated above the adjusted or the maximum switch-on
height.