DANGER
Work on the pump set by unqualified personnel
Danger of death from electric shock!
▷ Always have the electrical connections installed by a trained and qualified
electrician.
▷ Observe IEC 60364 (DIN VDE 0100) regulations and, for explosion-proof pump
sets, IEC 60079 (DIN VDE 0165).
▷ Observe the motor manufacturer's operating instructions.
WARNING
Unintentional starting of pump set
Risk of injury by moving parts!
▷ Make sure that the pump set cannot be started up unintentionally.
▷ Always make sure the electrical connections are disconnected before carrying
out work on the pump set.
WARNING
Incorrect connection to the mains
Damage to the mains network, short circuit!
▷ Observe the technical specifications of the local energy supply companies.
1. Check the available mains voltage against the data on the motor name plate.
2. Select an appropriate start-up method.
NOTE
It is recommended to fit a motor protection device.
5.8 Checking the direction of rotation
DANGER
Temperature increase resulting from contact between rotating and stationary
components
Explosion hazard!
Damage to the pump set!
▷ Never check the direction of rotation by starting up the unfilled pump set.
▷ Decouple the motor to check the direction of rotation.
WARNING
Hands or objects inside the pump casing
Risk of injuries, damage to the pump!
▷ Never insert your hands or any other objects into the pump.
▷ Check that the inside of the pump is free from any foreign objects.
CAUTION
Incorrect direction of rotation with non-reversible mechanical seal
Damage to the mechanical seal and leakage!
▷ Separate the pump from the motor to check the direction of rotation.
5 Installation at Site
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