Warning, Reg. 7 operation, Caution – Elmo Rietschle G-BH1 Extra instruction manual User Manual
Page 5: Reg. 9 maintenance  warning

reg. 7 Operation
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reg. 5.2 Electric power connection
Point 5.2 “Electric power connection” in the 
standard operating manual is no longer 
applicable in any way whatsoever. 
Information concerning this point must be 
removed from the motor’s accompanying 
documentation. 
External earthing:
The unit must be earthed with an earth 
conduction resistance of < 10
6
Ohm at the
position marked with a
!
Operating with a frequency converter
 WARNING
Danger of personal injury and material 
damage. 
Only use frequency converters in accordance 
with accompanying inspection document. 
When using units with frequency converters, the 
maximum rotation speed on the power rating 
plate must be adhered to. 
reg. 5.3 Connecting the piping / hoses
reg. 5.3.1 Suction branch
 WARNING
Danger from foreign objects and 
dirt in the unit! 
Intruding foreign matter and foreign objects can 
cause friction sparks and spark formation 
through chafing. 
Dust deposits in the unit can cause spark 
formation through chafing. 
Moreover, the impeller blades can break and 
broken pieces can fly out. 
 install suitable protective devices (such as 
filters) in the suction line according to RL 
94/9/EG. 
reg. 7 Operation
Start-up and switch-down
See chapter 6 “Initial operation”, sub-chapter 6.2 
“Start-up and switch-down”. 
Also be sure to pay attention to the following 
important notices for operations: 
 WARNING
Danger of burns from hot surface on the unit 
and from hot mediums! 
The external surface of the unit can reach 
temperatures of up to about 125ºC [257 ºF] 
 Do not touch when in operation. 
 Leave to cool down after switching it off. 
CAUTION
Danger of overheating due to hot surfaces of 
the unit! 
The external surface of the unit can reach high 
temperatures of up to about 125°C [257°F]. 
Temperature sensitive parts such as wiring or 
electronic components must not come into 
contact with unit surfaces. 
reg. 9 Maintenance
 WARNING
The operator is not allowed to carry out any 
kind of maintenance, servicing and repair 
work which requires the machine to be 
dismantled. 
The technical service must be consulted for 
such cases. 
 WARNING
Danger of personal injury and material 
damage. 
 Test the unit for leaks each time it is 
dismantled.
