11. servICIng
It may happen occasionally that dirt is retained in the internal check valve and this is no longer
seals 100%. The first remedy should be always trying to flush the check valve free. For this pur-
pose, eg. As the Garden side faucet on full blast, so that the pump at full rated power promotes
about 30 minutes water. Is then the timing is not clear, the unit must be replaced. Prior to installati-
on of the new device, the pump is in, free to flush any case, as previously described. Opening the
device on non-return valve is prohibited and always results in the loss of any existing warranty. In
addition, persons could be dangerous when Operating a clocking pump occur, so that the pump
may be operated under any circumstances continue. Until the device replacement, the pump must
be taken out of service. For abrasive materials such as sand, shortening the Maintenance period
and the device lifetime.
The following checks should be carried out regularly:
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functional test (min. every 3 months)
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integrity of the power cord
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Clean the guide lines (eg no buckling)
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Clean the media (no sand, no sludge)
12. guarantee regulatIons
For all manufacturing and material defects, the statutory warranty applies. In these cases, we
assume the exchange or appliance repairs. Shipping costs are borne by us only to the extent
legally is prescribed.
In case of warranty please call our service platform http://www.profi-pumpe.de/service.php log
the event.
Then we will inform you how to proceed with case by case basis.
Returns please sufficient postage. Unfortunately prepaid returns will not be accepted,
because they are filtered out before delivery. Our service we provide in Germany.
The warranty does not cover:
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Improper installation (proper installation, unauthorized persons)
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Material wear (eg. seals) or dirt in the unit
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Unjustified interventions or changes in the device
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Damages by selffault
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Improper servicing and improper use
Moreover, we give no damage compensation for secondary damages!
6. funCtIonal Parts
1. Reset button
2. Dry stop indicator
3. Voltage indicator
4. Motor connection
5. Operating pressure setting screw
6. 1” male threaded connection outlet
(by request, 1” female revolving nut)
7. Line connection
8. 1” male threaded connectio intlet
(by request, 1” female revolving nut)
9. Pressure gauge (M and MT versions only)
4 English
English 5
10. seCurIty tIPs
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Obey absolutely valid regulations on the electrical security
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To avoid shocks and fire risks, read and follow closely the following instructions:
• Always unplug the device from the mains before carrying out any work on it.
• Be sure that the electric line connecting the device to the mains and the extension
leads have a cross-section suitable for pump power and be sure that the electrical con-
nections are far away from any water source
• When Flow guard is used for swimming pools, ponds and fountains if is necessary to
use an automatic RCD with IDn = 3OmA protection.
7. CoMMIssIonIng
CautIon: If the water level happens to be below the level at which the pump is installed
(negative head), it is imperative to use a suction hose complete with foot valve to prevent
water from draining back into the well.
Before switching on, make sure that both the suction pipe and the pump are primed. Start the
pump by switching on the 5.2 device. As soon as the pump stops running, open the tap positioned
at the highest point within the system.
If there is a steady flow from the tap, and the pump runs uninterruptedly, the commissioning pro-
cedure has been successful. If there is no continuous flow, try to run the pump for a short while by
holding down the RESET button. If the problem persists, disconnect the 5.2 device and repeat the
whole procedure.
8. ProteCtIon agaInst dry runnIng
If the pump stops running due to lack of water, the Red FAILURE light goes on. To reset the sys-
tem, press the RESET button after confirming the presence of water on the suction side or tem-
porarily disconnect the power supply.
9. autoMatIC reset
Should the pump stop running because of lack of water, the versions with automatic reset (opti-
onal) begin to restart automatically at pre-set intervals of 15, 30 or 60 minutes, depending on the
model. This operation mode is indicated by the rapid flashing of the red indicator light. This pro-
cess is repeated until either there is new water available on the suction side of the pump or else,
the pump has reached the maximum number of pre-set retries (2, 4 or 8 depending on the model).
Should this limit be exceeded, the red indicator light remains switched on. To reset the system,
you must press the RESET button after verifying the presence of water on the suction side.
Warning: when the pump stops the pipes are under pressure consequently we recommend
opening a tap to discharge the system before carrying out any work.
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The electrical connections are always to be carried out by an authorised professional.
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The 5.2 may be used by children aged 8 years and above as well as persons with reduced phy-
sical, sensory or mental abilities or those who lack skills, experience and knowledge only if they
are supervised. These aforementioned persons should only use the appliance while adhering to
safe instructions and resulting dangers.
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Cleaning and maintenance must not be carried out by children without supervision.
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The pump must not be used or operated under any circumstances when there are
people in the same water.
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Under certain cirumstances, it is possible that that contamination of water is caused
by leakage.
tHe ManufaCturer eXPlaIns:
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To take over no responsibility in the case of accidents or damages on the basis of carelessness
or disregard to the instructions in this book.
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To reject every responsibility for the damages which originate from the improper use of the device.
