English (GB) Safety instructions
Original safety instructions
These safety instructions give a quick overview of the
safety precautions to be taken in connection with any
work on this product. Observe these safety
instructions during handling, installation, operation,
maintenance, service and repair of this product.
These safety instructions are a supplementary
document, and all safety instructions will appear
again in the relevant sections of the installation and
operating instructions. Keep these safety instructions
at the installation site for future reference.
Pumped liquids of MTB
DANGER
Flammable material
Death or serious personal injury
‐The pump must not be used for the
pumping of inflammable liquids, such
as diesel fuel, petrol or similar liquids.
Transporting the product
WARNING
Overhead load
Death or serious personal injury
‐Pay attention to the pump weight, and
take precautions to prevent personal
injury if the pump topples or falls by
accident.
Location
CAUTION
Hot or cold surface
Minor or moderate personal injury
‐When pumping hot or cold liquids,
make sure that no one can accidentally
come into contact with hot or cold
surfaces.
Bypass
DANGER
Explosion hazard
Death or serious personal injury
‐The pump is not allowed to run against
a closed valve except during startup.
Operating against a closed valve at an
extended period of time will cause an
increase in temperature and the
formation of steam and may result in
damages to or explosion of the pump
housing. The valve must be kept open
during operation.
Electrical connection
DANGER
Electric shock
Death or serious personal injury
‐Before removing the terminal box
cover and before removing or
dismantling the pump, make sure that
the power supply has been switched
off and that it cannot be accidentally
switched on again.
‐The pump must be connected to an
external main switch close to the pump
and to a motor-protective circuit
breaker. Make sure that you can lock
the main switch in OFF position
(isolated). Type and requirements as
specified in EN 60204-1, 5.3.2.
DANGER
Explosive environment
Death or serious personal injury
‐Whenever powered equipment is used
in explosive surroundings, the rules
and regulations generally or
specifically imposed by the relevant
responsible authorities or trade
organisations must be observed.
Motor protection
DANGER
Electric shock
Death or serious personal injury
‐The motor must be protected against
overload by an external motor-
protective circuit breaker with IEC trip
class 10 or 20.
‐Grundfos recommends using trip class
20.
‐The current setting of the motor-
protective circuit breaker must be
adjusted to the nominal current stated
on the motor nameplate.
DANGER
Automatic startup
Death or serious personal injury
‐Before starting any repair work on
motors incorporating a thermal switch
or thermistors, make sure that the
motor cannot restart automatically after
cooling.
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English (GB)
