Commissioning; Maintenance / Servicing; Malfunctions; Causes And Troubleshooting; Warranty - Zehnder Pumpen FPS-K Basis Bedienungsanleitung

To ensure buoyance safety with the soil type of clay, the shaft must be filled with sand, clay or concrete
from outside. In order to exclude deformation of the PE shaft, high filling from one side must be avoided
by all means.
Only after final completion of the shaft, including filling and condensing the excavation pit, the potentially
used water table drawdown system may be switched off.
The protruding piece of the top piece has to be well back-filled and condensed.
In order to ensure safe function of the systemt, it is necessary that the shaft is aligned in horizontal
positon after filling.
Absolutely observe the notes in the system when using a Class D shaft cover

6. Commissioning

Before commissioning, all connections must be checked again for correct installation and tightness. The
shut-off valve must be open.
To commission the pump, please read the separate operating instructions of the pump as well as the
switchgear.

7. Maintenance / servicing

Prior to carrying out any work on the system, it has to be disconnected from the mains supply!
Maintenance includes regular visual inspection of the complete system. During the process, switching
cycles of the pumps are observed and all piping parts and fittings are checked for function and tightness.
Please refer to the operating instructions of the pump with regard to the maintenance instructions.

8. Malfunctions; causes and troubleshooting

Prior to carrying out any work on the system, it has to be disconnected from the mains
supply!
In the event of malfunctions of the pump, please refer to its operating instructions. In case of leaks of the
piping or failure of the fittings, the relevant parts can be easily replaced (exchanged).

9. Warranty

As manufacturer, we provide for this product a warranty of 24 months from the date of purchase.
The sales receipt is considered proof regarding the warranty. Within this warranty period, we will at our
discretion, either by means of repair or replacement, correct free of charge all defects due to material or
manufacturing defects of the pump.
The warranty excludes all damage attributable to improper use or wear and tear. We do not assume any
liability for consequential damages which occur due to a failure of the device.
In case of guarantee, please get in touch with your specialist dealer.

10. Technical changes

We reserve the right to make technical changes in terms of progress.
© 2008 by Zehnder GmbH
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