Maintenance - FLOWTECH flowpac compact 311S Operation And Maintenance Manual

Otherwise, adjust the delivery gate valve or the setting of pressure switches if installed.
ATTENTION: never allow the pump to run for more than five minutes with a closed discharge valve.
ATTENTION: never run the pump dry, not even for a short trial run.
Never start the pump before it has been immersed to a depth of at least 100 mm.
Construction with float switch
The float switch, connected directly to the pump, controls starting and stopping. Check that the float switch
is free from any obstacle. If necessary, adjust the float-switch cable. Excessive cable length may cause the
motor to overheat and the pump to run dry.
Construction without float Switch
If there is no air vent valve in systems with a check valve, the minimum immersion depth at first start-up must
be 300mm.
An air vent valve must be used in systems with an immersed delivery outlet.
Do not start the pump with a completely closed shutoff gate valve.
Never take the pump out of the water while the pump is still operating.
Switch off of the pump
The appliance must be switch off every time there are faults. (See troubleshooting).
The product is designed for a continuous duty, the switch off is performed by disconnecting the power
supply by means the expected disconnecting devices. (See Electrical connection).

Maintenance

Before any operations it's necessary to disconnect the power supply. If required ask to an electrician or to an
expert technician.
Every maintenance operations, cleaning or reparation executed with the electrical system under voltage, it
could cause serious injuries to people.
A possible replacement of the cable or the level switch must be carried out by an authorised service
workshop.
If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified
persons in order to avoid a hazard.
In case of extraordinary maintenance, or maintenance operations that require part-removing, the operator
must be a qualified technician able to read schemes and drawings.
It is suggest to register all maintenance operation executed.
During maintenance keep particular attention in order to avoid the introduction of small external parts that
could compromise the device safety.
It is forbidden to execute any operations with the direct use of hands. Use water-resistant, anti-cut gloves to
disassemble and clean the filter or in other particular cases.
During maintenance operations external personnel is not allowed.
Maintenance operations that are not described in this manual must be made only by special personnel
authorized by Flowtech.
For further technical information regarding the use or the maintenance of the device, contact Flowtech.
Routine maintenance
Before every maintenance operations disconnect the power supply and make sure that the device could not
accidentally operate.
Cleaning
Check externally that the pump is not encrusted with debris, particularly in the filter area (ref. 1 picture 6). The
cleaning consists of the removal of the obstructing material. In case of mud incrustations, use a sharp tool
that allows the removal of the material.
Clean the external part of the pump with a cloth and clean water to remove the remaining traces.
flowpac compact
311S Pump Manual
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