8 CAUTION
A quali
fi
ed operator only
The pump must be handled or operated by a quali
fi
ed person with a
full understanding of the pump. Any person who is not familiar with
this product should not take part in operation or management.
Use a speci
fi
ed power only
Do not apply any power other than the one speci
fi
ed on the nameplate.
Otherwise, failure or
fi
re may result. Also, be sure to earth the pump.
Do not run pump dry
Do not run pump dry for more than 30 minutes (even when the
pump runs for degassing). Otherwise, the pump head
fi
xing screws
may loosen and liquid may leak. Optimise your system in order for
the pump not to run dry. If the pump run dry for a long period (for
more than 30 minute), the pump head and valve case may deform
by friction heat and consequently leakage results.
Do not wet electric parts or wiring
Risk of
fi
re or electrical shock. Install the pump free from liquid spill.
Ventilation
Poisoning may result when handling a toxic or odorous liquid. Keep
good ventilation in your operating site.
Do not install or store the pump in the following places where...
• Under a
fl
ammable atmosphere or in a dusty/humid place.
• Ambient temperature is beyond 0-40 degrees Celsius.
• Under direct sunlight or wind & rain.
Countermeasure against ef
fl
ux
Take a protective measurement against an accidental chemical
over
fl
ow results from pump or piping breakage.
CAUTION
Prohibition
Requirement
Prohibition
Prohibition
Caution
Caution
Requirement
Summary of Contents for EHN-R
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