Electrical Connection - Wilo Initial DRAIN Notice De Montage Et De Mise En Service

NOTE: When used in a sump without a firm base,
the pump must be put on a sufficiently large
plate or hung from a rope or a chain in a suitable
position.
6.2

Electrical connection

DANGER! Risk of fatal injury!
If the electrical connection is not made proper-
ly, there is a risk of fatal injury from an electric
shock!
Only allow the electrical connection to be made
by an electrician approved by the local elec-
tricity supplier and in accordance with the local
regulations in force.
• The type of mains connection current and voltage
must correspond to the details on the name plate.
• Fuse in the power supply: 10 A, slow.
• Earth the installation according to the regulations.
• The installation of a leakage current protection
switch to be provided on site for a trip current of
30 mA is recommended (caution when installing
outside).
• The pump is ready to connect.
To connect the pump to the switchgear, the
shock-proof plug is disconnected and the con-
necting cable is then connected as follows (see
Installation and operating instructions for the
switchgear):
3-wire connection cable: 3x1.0 mm²
Conductor
brown
Blue
green/yellow
Socket and switchgear must be installed in a dry
room and protected against flooding.
7.
Commissioning
DANGER! Danger through electric shock!
The pump may not be used to drain swimming
pools / garden ponds or similar place if anyone is
in the water.
CAUTION! Danger of property damage!
The pump should never run dry! This would
strongly damage the lips seal of the motor and
would cause the destruction of the pump.
• When filling the shaft or lowering the pump into
the pit, make sure that the float switches can
move freely. The switch must switch off the pump
before the intake openings of the pump can draw
in air.
• After filling the shaft and opening the check valve
on the pressure side (if provided), the pump starts
up automatically when the switch-on level 'h' is
reached and switches off as soon as the switch-
off level 'h1' responds.
Installation and operating instructions - Wilo-Initial DRAIN
8.
Terminal
L1
N
PE
• Do not direct the jet of water to be fed into
the shaft at the suction strainer of the pump.
Entrained air can prevent the operating pump
from functioning if the vent slit in the housing is
blocked.
• The maximum volume of water entering the shaft
must not exceed the performance of the pump.
Keep an eye on the shaft when commissioning
the pump.
NOTE: The venting of the pump when commis-
sioned for the first time will be improved by sub-
mersion in the fluid at an angle or by positioning
it at a slight angle.
Adjusting the switching level of the float switch
The perfect functioning of the level control sys-
tem is guaranteed if the details according to the
table in the chapter 6.1 are observed.
Maintenance
Maintenance and repairs may only be carried
out by qualified experts!
DANGER! Risk of fatal injury!
There is a mortal danger through shock when
working on electrical equipment.
Before any maintenance and repair work, the
pump must be switched off and prevented from
being switched on again in an unauthorised
manner.
Damage to the connecting cable may only be
repaired by a qualified electrical contractor in
principle.
When checking the function following long
downtimes, avoid contact with the fluid.
In order to prevent blockage of the pump result-
ing from long downtimes, its ability to function
should be checked at regular intervals (every 2
months) by manual raising of the float switch
or direct switching-on and brief start-up of the
pump.
Minor wear of the lips seal can lead to fouling
of the liquid following an oil leak from the oil
chamber.
The pump should therefore be serviced after
approx. 2000 operating hours by a specialist or
After-sales Service, mainly in order to check the
seals.
Only specialist companies or After-sales Service
may open the encapsulated motor.
Cleaning the pump
Depending on the use of the pump, fouling can
occur within the suction strainer and the impeller.
Rinse off he pump under running water after use.
English
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