Safety Instructions - Grundfos NB Serie Anleitung

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.
Installation requirements
WARNING
Accumulation of explosive gases from
shaft seal leakage
Death or serious personal injury
- Provide adequate ventilation around the
pump if the pump is installed in a pit. A
minimum air exchange of 1.5 times per
hour is required.
CAUTION
Overheating
Minor or moderate personal injury
- The pump must not run against a closed
outlet valve or a closed shut-off element
as this may cause overheating. Install a
bypass with a pressure relief valve.
Electrical connection
DANGER
Electric shock
Death or serious personal injury
- The pump housing must be earthed.
DANGER
Ignition of explosive environment
Death or serious personal injury
- The pump housing must be earthed.
Starting up the product
WARNING
Dry running
Death or serious personal injury
- Make sure that the pump is filled with
pumped liquid during operation.
CAUTION
Flammable material
Minor or moderate personal injury
- The responsibility for checking the
functions of the dry-running protection,
such as flow rate, sealing pressure and
temperature of the barrier or flushing
liquid rests with the installer or owner.
Disposing of the product
The crossed-out wheelie bin symbol on
a product means that it must be
disposed of separately from household
waste. When a product marked with this
symbol reaches its end of life, take it to a
collection point designated by the local
waste disposal authorities. The separate collection
and recycling of such products will help protect the
environment and human health.
See also end-of-life information at
www.grundfos.com/product-recycling.
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