Wilo Actun OPTI-MS Serie Instrucciones De Instalación Y Funcionamiento página 68

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• Ensure that lifting equipment can be set up without any trouble, since this is required
for installing and dismantling the pump. It must be possible to reach the pump safely in
its operating and storage locations using the lifting equipment. The set-down location
must have a solid bearing surface. The lifting gear must be attached to the defined
lifting eyes to transport the pump. When using chains, these must be connected to
the lifting eyes using a shackle. Lifting gear must be technically approved.
• Connection cables must be routed in such a way that safe operation and easy installa-
tion/dismantling are possible at all times. Do not carry or pull the pump by the connec-
tion cable.
The pump is delivered ex works with a connected connection cable for the power supply
and connected signal cables routed in parallel. The power supply connection cable
and the signal cable (if used) must be extended to the required length on site prior to
installation to suit the available space in the borehole using the enclosed sealing kit
(see Section 6.5.1). Check the cable cross-section used and the routing type chosen.
Make sure the available cable length is sufficient.
• Observe the corresponding protection class when using switchgear. As a rule, install
switchgear overflow-proof.
• Structural components and foundations must be of sufficient stability in order to allow
the product to be fixed securely and functionally. The end user or the supplier is respon-
sible for the provision of the foundations and their suitability in terms of dimensions,
stability, and strength.
• Check that the available consulting documents (installation plans, operating space
configuration, feed conditions) are complete and correct.
• Observe all regulations, rules and laws for working with heavy and under suspended
loads. Wear appropriate protective clothing!
• Observe the locally applicable accident prevention and safety regulations of profession-
al and trade associations.
NOTICE:
• To achieve the necessary cooling, the pump must
always be immersed when in operation. Ensure
minimum water submersion at all times!
• Do not use an additional non-return valve on
the pressure side. This would result in system
malfunction.
6.5.1. Vertical pump installation
In this installation method, the submersible pump is installed directly on the ascending
pipe. The installation depth is determined by the length of the ascending pipe. In narrow
well shafts, a centring device must be used because the pump must not come into con-
tact with the walls of the well as this could damage the cable and pump. Use hoisting
gear with sufficient bearing capacity.
68
INSTALLATION
WILO SE 11/2018 DIN A5

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