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en - Original instructions
• Grounding (earthing) must be done in compli-
ance with all local codes and regulations.
• The ground (earth) continuity is measured be-
tween the ground (earth) conductor in the motor
cable and one of the screws securing the strain-
er.
DANGER: Electrical Hazard
All electrical equipment must be ground-
ed (earthed). Test the ground (earth)
lead to verify that it is connected correct-
ly. Frequently inspect electrical systems
to ensure that the path to ground is con-
tinuous.
4 Operation
Precautions
Before taking the unit into operation, check the fol-
lowing:
• All recommended safety devices are installed.
• The cable and cable entry have not been dam-
aged.
• All debris and waste material has been removed.
NOTICE:
Never operate the pump with the discharge line
blocked, or the discharge valve closed.
WARNING: Crush Hazard
Risk of automatic restart.
Distance to wet areas
WARNING: Electrical Hazard
Risk of electrical shock or burn. You
must connect an additional ground-
(earth-) fault protection device to the
grounded (earthed) connectors if per-
sons are likely to come into contact with
liquids that are also in contact with the
pump or pumped liquid.
CAUTION: Electrical Hazard
Risk of electrical shock or burn. The
equipment manufacturer has not evaluat-
ed this unit for use in swimming pools. If
used in connection with swimming pools
then special safety regulations apply.
Noise level
NOTICE:
The noise level of the product is lower than 70 dB.
However, the noise level of 70 dB may be exceeded
in some installations and at certain operating points
on the performance curve. Make sure that you un-
derstand the noise level requirements in the environ-
ment where the product is installed. Failure to do so
may result in hearing loss or violation of local laws.
4.1 Start the pump
CAUTION: Crush Hazard
4
The starting jerk can be powerful. Make
sure nobody is close to the unit when it is
started.
WARNING: Crush Hazard
Never put your hand into the pump hous-
ing.
4.2 Clean the pump
The pump must be cleaned if it has been running in
very dirty water. If clay, cement or other similar dirt is
left in the pump it may clog the impeller and seal,
preventing the pump from working.
Let the pump run for a while in clean water, or flush
it through the discharge connection.
5 Maintenance
Precautions
Before starting work, make sure that the safety in-
structions in the chapter
(page 2) have been read and understood.
DANGER: Inhalation Hazard
Before entering the work area, make
sure that the atmosphere contains suffi-
cient oxygen and no toxic gases.
DANGER: Crush Hazard
Moving parts can entangle or crush. Al-
ways disconnect and lock out power be-
fore servicing to prevent unexpected
startup. Failure to do so could result in
death or serious injury.
WARNING: Biological Hazard
Infection risk. Rinse the unit thoroughly
with clean water before working on it.
CAUTION: Cutting Hazard
Sharp edges. Wear protective clothing.
CAUTION: Crush Hazard
Make sure that the unit cannot roll or fall
over and injure people or damage prop-
erty.
CAUTION: Thermal Hazard
Allow surfaces to cool before starting
work, or wear heat-protective clothing.
Make sure that you follow these requirements:
• Do not open any vent or drain valves or remove
any plugs while the system is pressurized. Make
sure that the pump is isolated from the system
and that pressure is relieved before you disas-
semble the pump, remove plugs, or disconnect
piping.
Ground continuity verification
A ground (earth) continuity test must always be per-
formed after service.
5.1 Change the oil
Introduction and Safety
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