Electrical Connection - TIP HWW 900/25 Plus Instrucciones Para El Manejo

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Please observe the illustrations, too, which are contained as an attachment at the end of the present operating

instructions. The numeric and other details included in brackets below refer to these illustrations.

4.2.

Installation of the suction line

The intake of the suction line has to be equipped with a check valve (or non-return valve) and

an intake filter.

Please use a suction line (2) having the same diameter as the suction port (1) of the pump. In the case of a

suction head (HA) of more than 4 m, however, it is recommendable to use a diameter larger by 25 % and

appropriate reduction adapters of the side of the ports.

The intake of the suction line has to be equipped with a check valve (3) - or non-return valve - and an intake

filter (4). The filter will keep away larger dirt particles contained in the water which might clog or even damage the

piping. The check valve will prevent the pressure to escape after the pump has cut out. Moreover, it simplifies the

venting of the suction line by enabling water to be filled in. The check valve with the intake filter - i.e. the entirety

of the intake section of the suction port - must be immersed by at least 0.3 m below the surface of the liquid to be

pumped (HI). This will prevent air from being taken in. In addition, please ensure a sufficient distance of the

suction line from both the ground and the sides of water courses, rivers, ponds etc in order to prevent stones,

plants etc from being sucked in.

4.3.

Installation of the pressure line

The pressure line (11) conveys the liquids to be discharged from the pump to the point of withdrawal. To avoid

dynamic flow losses, one should use a pressure line having at least the same diameter as the pressure port (5) of

the pump. To protect the pump from damage caused by pressure surges it is advisable to equip the pressure line

with a check valve (6) to be installed directly downstream the pump outlet.

Also, to facilitate maintenance work, it is recommendable to install a shut-off cock (7) after the pump and check

valve. This is a useful feature since it can be closed when the pump has to be dismantled and will thus prevent

the pressure line from draining to empty.

4.4.

Stationary installation

With regard to the electrical connection in the case of stationary installation, please ensure an

adequate visibility and accessibility of the plug.

For stationary installation, please fasten the pump on a suitable, solid surface. To reduce vibration, it is

recommended to apply an anti-vibration material - for instance a rubble layer - between the pump and the

installation surface.

Efficient vibration dampeners are available from T.I.P. as an accessory with the item number 30943.

4.5.

Using the pump for swimming pools, garden ponds and similar places

Operating the pump next to swimming pools, garden ponds and similar places is generally

only admissible if no persons are in contact with the water.

If the pump is used for swimming pools, garden ponds and similar places it has to be operated using a residual

current circuit-breaker (FI switch) with a nominal trigger current of ≤ 30mA (DIN VDE 0100-702 and 0100-738).

Please ask your electrical services provider whether your installation site complies with this condition.

The pump must not be used in such locations unless it is set up firmly and flood-proof, a minimum distance of two

metres away from the border of the water body and secured against falling into the water by a solid holding

device. For this purpose the device is to be bolted down firmly to the ground at the fastening points provided.