5 Installation at Site
20 of 36
Calio-Therm NC
1157.881/03-EN
5.5 Enclosure/insulation
WARNING
The pump takes on same temperature as the fluid handled
Risk of burns!
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Insulate the volute casing.
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Fit protective equipment.
CAUTION
Heat building up at motor housing and pump casing
Pump overheating!
▷
Never insulate the motor and electronic system housings.
NOTE
Two-piece thermal insulation shell supplied for overall length ≥ 180 mm.
5.6 Electrical connection
DANGER
Electrical connection work by unqualified personnel
Risk of fatal injury due to electric shock!
▷
Always have the electrical connections installed by a trained and qualified
electrician.
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Observe regulations IEC 60364 and, for explosion-proof models, EN 60079.
DANGER
Heat damage to the cable sheath
Danger from electric shock!
▷
Make sure the cables are never laid in contact with hot casings/housings or
pipelines.
DANGER
Hazardous electrical voltage when the covers of the terminal wiring compartments
are removed
Danger of death from electric shock!
▷
For working on the terminals, switch off the power supply at least 5 minutes
prior to commencing work and ensure that it cannot be switched on again
unintentionally.
▷
If applicable, switch off the external power supply to message relays and
control cables and make sure it cannot be switched on again unintentionally.
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Keep the covers of the terminal wiring compartments closed during operation
as well as during maintenance work.
WARNING
Incorrect connection to the mains
Damage to the mains network, short circuit!
▷
Observe the technical specifications of the local energy supply companies.