Electrical Connection Of Three-Phase Motors - LUTZ B70H Manual De Instrucciones

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► When used in explosion hazard areas or when pumping flammable liquids, the pump must be
mounted with an upwardly inclined pump outlet to prevent accidental emptying of the container
(→ Fig. 7 a, b, c). If the orientation of the pump outlet does not match, loosen the locknut and
slightly turn the pump tube. Then tighten the locknut again (→ Fig. 7 d). Alternatively, you can
mount a check valve at the pump outlet.
Fig. 7
► Tighten screws (→ Fig. 8).
► Connect pump and container with suitable hoses.

5.2 Electrical connection of three-phase motors

!
DANGER
Live mains connection!
Electric shock can kill you.
The electrical connection may only be carried out by trained qualified
personnel. Following regulations must be observed:
► All works must only be carried out when the motor is de-
energized. Protection switch must be set to OFF-position.
► Mains voltage and frequency are as specified on the rating plate
(→ Fig. 9).
► Dimension of the connecting cable must be adjusted to the
nominal current.
► The insulation of the connecting cable must be adjusted to the
environmental conditions.
16
Fig. 8
Fig. 9