9
Operation
9.1
Safety information
HAZARD
Hazard of explosion of an ignition-capable gas/air atmosphere!
When commissioning the EX fan, the fundamental information from BGR 104 (explosion protection rules
of the employers' insurance schemes) and BGR 132 (avoidance of risk of ignition as a result of electro-
static charges) must be known.
Do not open or tip the fan if an explosive atmosphere exists.
WARNING
Risk from electrical voltage!
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The device may only be operated by people who have been instructed about function and risks, have
understood them and are in a position to act accordingly.
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Make sure that children do not operate the device without supervision or play with it.
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Make sure that only people who are in a position to operate the device safely have access to it.
9.2
Operating conditions
•
During operation, touching the rotor must be impossible.
•
Safety components may not be circumvented or put out of function.
•
Only operate the EX fan within the limits stated on the name plate.
•
Intake of foreign bodies can destroy the fan.
•
Switching frequency:
–
The EX fan has been admitted for S1 continuous operation.
–
Controls may not permit any external switching operations!
•
Sound development can be reduced by the use of a noise fi lter.
Fans in the external area:
In long periods of standstill of the fans, condensation may form in the motor.
Therefore ensure a regular switch-on time of 2 hours per week.
9.3
Operation/use
Switching on, see Commissioning
Only operate the EX fans in compliance with these operating instructions and the instructions for use of the motor.
Monitor the EX fans for correct function during operation.
Switch the EX fans off as planned.
WARNING
Risk from electrical voltage or risk of bursting!
Faults occurring can lead to personal and/or property damage.
Switch the EX fan off immediately:
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in untypical running noises, oscillations, fl uctuations in pressure,
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if the fi gures for current, voltage and temperature are exceeded (name plate).
Ex-fans - 06.2014
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