Safe Use; Connect Pump Electrically; Operation; Starting/Interruption, Speed Control - lutz B2 Vario PP 32-DL Originalbetriebsanleitung

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5.2 Safe use

!
DANGER
Danger of death by electric shock or
explosion!
► Do not immerse the pump deeper than the
outrun piece (→ Fig. 1A).
► It is not allowed to handle flammable liquids
(→ Fig. 1B).
► Do not subject the outrun piece to tension or
pressure (→ Fig. 4).
►The bending moment M
exceed the following values:
Pump material
Polypropylene (PP)
Polyvinylidene
fluoride (PVDF)
Stainless steel
(SS 1.4571)
Tab. 6: Maximum permissible bending moment M
► At low level of the container splash can occur at
the pump foot during operation. Use containers
with a cover when pumping hazardous liquids.
►A foot strainer must be used when pumping
liquids containing large mechanical impurities
(e.g. fibrous materials).

5.3 Connect pump electrically

!
DANGER
Danger of death by electric shock!
►Turn the rotary handle (→ Fig. 5 - item 1)
counterclockwise to the limit stop until it is in
the OFF position „0" (→ Fig. 5 - item 3).
3 Motor is switched off
►The voltage specified on the rating plate must
comply with the mains voltage (→ Fig. 5 - arrow).
► Connect motor to power supply.
at the outlet must not
B
Maximum bending
moment M
B
10 Nm
10 Nm
30 Nm
B

6. Operation

3 All connections and fittings are properly
tightened.
3 For safe operation of the pump, sufficient
space and a safe stand must be available.
NOTICE
Damage of property as a result of dry running!
► Supervise pump tube.
► Ensure that the pump is pumping liquid.
► Sealless pump tubes may run dry 15 minutes
only.
6.1 Starting/interruption, speed
control
► The pump is started by turning the rotary handle
(→ Fig. 5 - item 1) clockwise.
► While turning (→ Fig. 5 - item 2) the speed of
the pump is increased simultaneously.
► For stopping, the rotary handle must be turned
back counterclockwise as far as it will go.

6.2 Overload of the pump

The overcurrent release integrated into the motor
switches off automatically if the pump is overloa-
ded.
►In this case turn the rotary handle back to "0"
(→ Fig. 5 - item 3).
►The pump can be restartet after a cooling period.

6.3 Taking out of operation

WARNING
!
Danger of injury and intoxication when
handling hazardous liquids!
► Always wear protective equipment when
working on the pump.
► Collect any residual leaking fluids from the pump
safely and dispose of it in an environmentally
friendly fashion.
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