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ENGLISH
sure that a first-aid kit is to hand.
In some cases, the pump and the pumping medium may be hot
and could cause burns.
For installations in areas subject to explosion hazards, special
regulations apply!
AREAS OF APPLICATION
Submersible pumps in the MultiCut range are suitable for efflu
-
ent in pressure drainage systems or for the drainage of single
dwellings.
MultiCut pumps are principally used for:
–
effluent containing fibrous matter
–
effluent containing solids (without stones)
–
domestic effluent without faecal matter
–
domestic effluent with faecal matter
–
mechanically cleaned effluent
The submersible pumps are supplied without explosion pro-
tection or with explosion protection.
When using the pumps, the relevant national laws, regulations
and stipulations must be adhered to, for example:
•
Installation of lowvoltage systems (e.g., VDE 0100 in Ger-
many)
•
Safety and working materials(e.g., BetrSichV and BGR 500 in
Germany)
•
Safety in wastewater systems(e.g., GUV-V C5, GUV-R 104,
GUV-R 126 in Germany)
•
Electrical systems and operating resources (e.g., GUV-VA3 in
Germany)
•
Explosion protection EN 60079-0, EN 60079-1, EN 60079-
14, EN 60079-17 and EN 1127-1.
For non-standard utilisation conditions in areas subject to ex-
plosion hazards, please ask the local authority responsible.
In Germany, this would be, for example, the Trade Supervisory
Centre (Gewerbeaufsicht), the Technical Inspection Agency
(TÜV), the building authority (Bauamt) or professional organi-
sation (Berufsgenossenschaft).
The installation and operation of this equipment is regulated by
the ordinance concerning the protection of health and safety in
the provision of work equipment and its use at work, concerning
safety when operating installations subject to monitoring, and
concerning the organisation of industrial health and safety at
work, (Betriebssicherheitsverordnung), Article 1.
Where no explosion protection is stipulated for the pumping
of foul wastewater at the installation location, pumps without
explosion protection may also be used.
Modes of operation
with the pumped medium at a temperature of 40°C:
Motor submersed: continuous operation S1
Motor emerged: short duration operation S2; see "Technical
Data"
Motor emerged: intermittent operation S3; see "Technical
Data"
The submersible pump is frost-resistant down to -20°C when
stored in dry conditions. When installed, however, it must not
be allowed to freeze in the water.
Transport
The pump must always be lifted by the handle and never by the
power supply cable! The pump should only be lowered by using a
rope or chain.
ELECTRICAL CONNECTION
By using our controls, you can be sure that the requirements of
the EU type-testing certificate are met.
NOTICE!
Only qualified electricians may carry out electrical
works to the pump or the controls.
The standards applicable in each case (e.g. EN), the country-
specific regulations (e.g. VDE in Germany), and the regulations
of the local supply network operator must be observed.
NOTICE!
Never lay the end of cables in water! Penetrating wa-
ter may cause malfunctions
.
NOTICE!
The alternating current pumps must not be used wit-
hout a control unit.
MultiCut pumps in alternating current versions are protected
by 2 winding thermostats and a motor contact switch in the
AD 12 Ex ME control unit. The two operating condensers in the
control unit must be dimensioned according to the measure-
ments indicated in the Type Examination Certificate.
Capacity 2 x 30 µF Tolerance
±
10%
Operating voltage 400 V, Operating mode DB
Alterations to the circuitry are to be made using crimp con-
nectors (X) between the coni plug connection (Y) and the built-
in motor. The new crimp connection must be professionally
made.
Only slow-blow fuses or automatic fuses with C or D character-
istics are to be used as pre-fuses for the pump. Necessary fuse
protection for direct on-line start: 16 A, and for star-delta start
20 A (72/2 M, 76/2 M).
The pump must be protected via an overload trip. Setting for
direct on-line start = nominal current, and for star-delta start =
nominal current x 0.58.
If the protective device has been triggered, the cause of the
malfunction must be eliminated before switching on again.
Coil thermostats
NOTICE!
In addition to the overload trip or protective switch
of the motor, the thermostats integrated in the motor winding
must also be connected.
The thermostats are suitable for 250
V / 1.2 A (cos phi = 0.6) and are labelled 30 and 32 for connection
purposes.
For this reason, after the protective device has been triggered,
the mains cable must be unplugged before remedying the
cause of the failure, as otherwise the pump will be automati-
cally switched on again.
Thermostat connection without explosion
protection
The thermostats are to be connected in such a way that the
motor is switched off via the control circuit when the response
temperature is reached. The motor is switched on again auto-
matically after the winding has cooled down.
