Operation
DVV-Ex XS-XL 23.02.2015
25
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the thermal protection is functional.
•
The cable glands are tight.
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Provided mains connection complies with the data on the name plate.
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The current (from the name plate) does not exceed the mains data.
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All conductive added and accessory parts have been earthed.
8.2
Commissioning
WARNING
Hazard from electrical voltage!
•
Commissioning by trained and instructed qualified personnel only!
Switch the ventilator on as planned.
WARNING
Hazard from bursting parts!
•
When checking the direction of rotation, wear safety goggles.
Check:
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the direction of rotation (all speed!). Switch the fan for a short period on and then off to check the direction
of rotation of impeller. It is visible through a hole on the casing. The rotation must comply with the arrow
on the casing. If wrong, swap two phases.
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smoothly running (eventual vibrations and noise);
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current with appropriate instrument;
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tightness of all joints.
Fill in the attached test protocol and submit it in case of warranty claim.
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
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instructed in function and risks,
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who have understood handling and can accordingly react.
•
Ensure access only to persons, who can safe handle the device.
DANGER
Explosion protection!
Intervention in the fan or in a connected system is allowed only if no pottentially explosive atmosphere
present and if there is no danger to appear it!
9.2
Operating conditions
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During operation, touching the impeller must not be possible.
•
Safety components must not be bypassed or put out of function.