General Safety Information; Directives Used; Ce Marking; Electrical Work - Wilo Sub TWU 3 High Speed Einbau- Und Betriebsanleitung

English
and potential consequences, and end with advice
on prevention.
Example:
Beware of rotating parts!
The moving impeller can crush and sever limbs.
Switch off the device and let the impeller come
to a halt.

2.2. General safety information

• When installing or removing the pump, never
work alone in rooms and shafts. A second person
must always be present.
• The pump must always be switched off before
any work is performed on it (assembly, disman-
tling, maintenance, installation). The pump must
be disconnected from the electrical system and
secured against being switched on again. All
rotating parts must have come to a stop.
• The person operating the product must notify his
or her supervisor immediately should any defects
or irregularities occur.
• It is of vital importance that the system be shut
down immediately by the operator if any prob-
lems arise which may endanger safety of person-
nel. Problems of this kind include:
• Failure of the safety or control devices
• Damage to important parts
• Damage to electrical equipment, cables, and
insulation.
• Tools and other objects should be kept in a place
reserved for them so that they can be found
quickly.
• Sufficient ventilation must be provided in
enclosed rooms.
• When welding or working with electronic
d evices, make sure there is no risk of explosion.
• Only use lashing equipment which is legally
d efined as such and officially approved.
• The lashing equipment must be kept safely
and must be suitable for the conditions of use
(weather, hooking device, load, etc).
• Mobile equipment for lifting loads should be used
in such a way that it always remains stable during
operation.
• When using mobile equipment for lifting
non-guided loads, take action to prevent tipping,
sliding, etc.
• Measures should be taken to ensure that no
person is ever directly beneath a suspended
load. Furthermore, it is also prohibited to move
suspended loads over workplaces where people
are present.
• If mobile equipment is used for lifting loads,
a second person should be present to coordinate
the procedure, if required (for example, if the
operator's field of vision is blocked).
• The load to be lifted must be transported in such
a manner that nobody can be injured in the event
of a power outage. Additionally, when working
outdoors, such procedures must be stopped
immediately if weather conditions worsen.
These instructions must be strictly observed.
Non-observance can result in injury or substan-
tial material damage.
32

2.3. Directives used

This pump is subject to:
• Various EC directives
• Various harmonized standards
• Various national standards
See the EC Declaration of Conformity for precise
details of and the guidelines and standards used.
Also, various national standards are used as a
basis for operating, assembling and dismantling
the pump. These include the German accident
prevention regulations, VDE regulations and
German Equipment Safety Law.

2.4. CE marking

The CE marking is found either on or near the
name plate. The name plate is attached to the
motor casing or to the frame.

2.5. Electrical work

Our electrical pumps are operated with alternat-
ing or three-phase current. The local regulations
(e.g. VDE 0100) must be observed. The section
entitled "Electrical connection" must be observed
when connecting the product. The technical
specifications must be strictly adhered to.
if the pump has been switched off by a protec-
tive device, it must not be switched on again
until the error has been corrected.
ELECTRiCAL hazard!
incorrectly performed electrical work can
result in fatal injury! This work may only be
carried out by a qualified electrician.
BEWARE of moisture!
Moisture penetrating the cable will damage
both the pump and the cable. Never immerse
cable ends in the pumped fluid or other
liquids. Unused wires must be insulated!

2.6. Electrical connection

The person operating the pump must know where
it is supplied with power and how to cut off the
supply. It is advisable to install a residual current
device (RCD).
The relevant national directives, standards and
regulations as well as the requirements of the
local public utility company must be observed.
When the pump is connected to the electrical
control panel, particularly when electronic devices
such as soft startup control or frequency drives
are used, the relay manufacturer's specifications
must be followed to comply with the electromag-
netic compatibility (EMC) requirements. Special
separate shielding measures (e.g. shielded cables,
filters, etc.) may be necessary for the power sup-
ply and control cables.
The connections may only be made if the relays
meet the harmonized EU standards. Mobile
radio equipment may cause malfunctions in
the system.
WILO SE 12/2012 Ed.03 DIN A4
SAFETY