Placement in service | 9
Operating instructions CMVpro 125-400 ATEX | Version 1-en
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• with FC control elements or an external control unit,
• with the local potentiometer
_
Check during the functional test:
• Check acceleration and braking time
_
47].
• Commands shall cause corresponding speed changes.
• The electric motor may not generate any unusual vibration or noises when
operating within the characteristic curve range according to the technical
data sheet.
• Conduct speed measurement.
•
NOTICE
Do not exceed the maximum speed of the impeller or the
maximum frequency of the electric motor according to the technical
data sheet/motor nameplate.
• During start/stop operations, the FC may not display an error message or
trigger a protective function.
9.2.3
Conduct test run
Run the fan at the designated operating point for at least 1 hour.
At the beginning of the test run:
• Check for irregular running, unusual vibration, or noises.
• Once the operating speed has been reached, the current draw of the elec-
tric motor may not exceed the nominal value according to the motor name-
plate.
• Check for leak tightness and flexible mounting of the sleeves on the fan.
• Perform vibration measurement on the fan’s electric motor and compare
with the table for vibration limits according to ISO 14694:
Status
Category
Permissible vibration when flexibly
mounted (effective value/RMS)
[mm/s]
Start-up
BV-2
9,0
BV-3
6,3
Alarm
BV-2
14,0
BV-3
11,8
Shutdown
BV-2
*
BV-3
12,5
* Establish based on historical limit values.
The measured data provides comparison values during maintenance.
Heating, ventilation, air conditioning (HVAC), and agriculture: BV-2 < 3.7 kW
Industrial processes, etc.: BV-3 > 3.7 kW