User’s Manual –
A
REBO
S Domestic waterworks 1000 W
7
5.
Assembly
5.1 General
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Prepare a level and stable location.
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Place the device horizontally, against falling over and protected against flooding.
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The domestic waterworks must be protected against rain and direct water jet.
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The device must be installed in dry, well-ventilated conditions and at a temperature below
104°F (40°C).
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The domestic waterworks can also be screwed to a solid foundation. For reducing vibrations,
it is recommended to use antivibration material - e.g. a rubber layer - between the pump and
the support surface.
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During installation of the water pump, the power supply must be disconnected.
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Protect the device, cables and connections from moisture.
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For safety reasons, the water pump must be checked (before commissioning) to see if the
mains cable or the power plug is damaged. It is strictly forbidden to put a damaged pump
into operation.
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The electrician responsible for the installation must make sure that the electrical
connections, including the grounding contact, comply with the standard.
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Only connect the device to a socket with residual current device (RCCB) with a rated current
of not more than 30 mA and a fuse of at least 10 amps.
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The pump must be earthed. If it is necessary to extend the original cable, a cable with the
same cross section must be used.
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If the pump is mounted directly in a distribution network, it must be noted that the pre-
pressure is added to the pump pressure.
5.2 Connect suction line
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Select the length of the suction line so that the domestic waterworks cannot run dry. The
suction line must always be at least 11.8 in (30 cm) below the water surface. The maximum
suction height must not exceed 23 ft (7 m).
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Connect the suction line. Pay attention to a tight connection without damaging the thread.
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Be sure to use a suction fitting with a suction filter, suction basket and non-return valve to
prevent damage to the pump due to contamination.
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A check valve must be installed in the suction line so that the water does not drain when the
pump is switched off.
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For slightly sand-containing water, a pre-filter must be installed between the suction line and
the pump inlet. Ask a specialist.
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The suction line may be a fixed pipe or a flexible hose line. It must have a minimum cross
section of 0.984 in (25 mm).
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The suction line should be as short as possible, because with increasing line length the flow
rate decreases.
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Lay the suction line rising from the water outlet to the pump.
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Make sure that the suction line is not over the height of the pump and that it has no bends to
prevent the formation of air pockets. The suction line must be tight to prevent air intake.
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When installing the suction and discharge lines, make sure that no mechanical pressure or
tension is exerted on the device. Fix it if necessary and ask a specialist.
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Screw the suction line to the suction nozzle (internal thread). Make sure that the thread is
not overtightened and damaged. Use appropriate sealants (e.g., O-rings, gaskets, sealing
strip, etc.).
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Check the connection for leaks. Leaky connections will cause malfunctions and can cause
