8.2 Commissioning
WARNING
Hazard from electrical voltage!
» » Commissioning by trained and instructed qualifi ed personnel only!
Switch the ventilator on as planned.
WARNING
Hazard from bursting parts!
» When checking the direction of rotation, wear safety goggles.
Check:
– the direction of rotation / conveying. The direction of rotation always applies looking at the rotor. If the direction of rotation is
wrong, it must be turned by exchanging two phases.
– smoothly running (eventual vibrations and noise)
– current with appropriate instrument
– tightness of all joints
8.2.1 Safety elements
Check, if safety elements e.g. protective guards are fastened.
9 Operation
9.1 Safety notes
WARNING
Hazard from electrical voltage!
» The device may only be operated by persons
– instructed in function and risks,
– who have understood handling and can accordingly react.
» Ensure that children cannot operate or play with the device without supervision.
» Ensure access only to persons, who can safe handle the device.
9.2 Operating conditions
• Do not operate the fan in an explosion-hazardous atmosphere.
• During operation, touching the rotor must not be possible.
• Safety components must not be bypassed or put out of function.
• The fan may operate inside limits declared on the nameplate.
• Prevent suction of foreign particles, this can destroy the fan.
• Switching frequency:
– the fan is intended for S1 continuous duty!
– the controls may not permit any extreme switching duties!
• If the operational leakage current of 3.5 mA is exceeded, the conditions with a view to earthing pursuant to DIN VDE 0160/5.88.
ART.6.5.2.1 must be fulfi lled.
• Sound development can be reduced by using a sound fi lter..
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Roof fans - V 1.0
Operation
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