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30 WILO SE 11/2023
7 Installation and electrical connection
DANGER! Risk of fatal injury!
Incorrect installation and improper electrical connections can be life-
threatening. Danger from electrical current must be eliminated.
• The installation and electrical connection may only be carried out by
qualified personnel in accordance with the applicable regulations!
• Adhere to accident prevention regulations!
• Comply with the regulations of the local energy supply company!
Pumps with pre-assembled cable:
• Never pull on the pump cable.
• Do not bend the cable.
• Do not place objects on the cable.
7.1 Installation
WARNING! Risk of injury.
Incorrect installation can result in personal injury.
• There is a crushing hazard.
• There is a risk of injury due to sharp edges/burrs. Wear appropriate
protective clothing (e.g. safety gloves)!
• There is a risk of injury caused by the pump/motor falling. Prevent the
pump/motor from falling, if required, by using suitable lifting gear.
CAUTION! Risk of material damage!
Incorrect installation can result in material damage.
• Only use qualified personnel for installation work!
• Observe national and regional regulations!
• When the pump needs to be transported, it may be carried only by the
motor/pump housing. Not by the module/terminal box!
• Installation within a building:
• Install the pump in a dry, well-ventilated room. Ambient temperatures
below -20 °C are not permitted.
• Installation outside a building (outdoor installation):
• Install the pump in a chamber (e.g. light well, ring chamber) with cover or in
a cupboard/housing as weather protection. Ambient temperatures
below -20 °C are not permitted.
• Avoid exposure of the pump to direct sunlight.
• Protect the pump so that the condensation drain grooves remain free from
contaminants (Fig. 6).
• Protect the pump against rain. Dripping water from above is permitted pro-
vided that the electrical connection has been established in accordance with
the installation and operating instructions and properly sealed.
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