Elmo Rietschle G-BH1e - Manual (Page 8)

610.44521.40.000 8 / 52 © Gardner Denver Deutschland GmbH
Safety instructions
 WARNING
Danger zone:
Missing or defective muffler on inlet or
discharge connection.
Hazard:
Possible serious hearing damage due to
emitted noise.
Protective measures:
Have missing or defective mufflers replaced.
Conduct a noise measurement in the system
after installing the pump−motor unit.
The following measures must be taken by the
operator:
 from 85 dB(A):
– Hearing protection must be available.
 from 90 dB(A):
– Mark noise area with a warning sign.
– Wear hearing protection.
 WARNING
Danger zone:
Environment of pump−motor unit.
Hazard:
Possible serious hearing damage due to
emitted noise.
Protective measures:
Conduct a noise measurement in the system
during operation after installing the
pump−motor unit.
The following measures must be taken by the
operator:
 from 85 dB(A):
– Hearing protection must be available.
 from 90 dB(A):
– Mark noise area with a warning sign.
– Wear hearing protection.
– With free entry and exit of gases, i.e. with
direct intake out of or direct feeding into
the atmosphere without piping, attach an
additional muffler.
CAUTION
Material damage at the frequency inverter
caused by switching on the device too
frequently with too short intervals.
In the case of cyclic mains switching for a
longer time period, allow at least 3 minutes
between two switch−on actions.
CAUTION
Material damage at the side channel blower
caused by too high speeds.
 Do not set the output frequency at the
frequency inverter higher than the maximum
frequency specified in the documentation.
 Use special overspeed monitors if
necessary.