20
| Operation
11
Operation
11.1 Safety information
Warning: Hazard from electrical voltage or moving components.
♦
The device may only be operated by adequately qualified persons, details see Table 1
Qualifications
, page 1.
♦
Abide by the system-related conditions and requirements of the system manufacturer or plant constructor.
11.2 Preconditions
♦
Ensure access only to persons who can safely handle the device.
♦
Only use the fan in accordance with the operating instructions and the operating instructions for the motor.
♦
Do not dismantle or circumvent safety elements, or put them out of function.
12
Troubleshooting/maintenance/repair
12.1 Safety information
♦
Troubleshooting/maintenance/repair may only be carried out by adequately qualified persons, details see Table 1
Qualifications
, page 1.
♦
Wear protective equipment during all work in the vicinity of the fan, details see 2.2
Personal protective equipment
,
page 2.
♦
Observe the 5 rules of electrical safety, see 2.3
5 rules of electrical safety
, page 2.
♦
Abide by the system-related conditions and requirements of the system manufacturer or plant constructor.
♦
The impeller must be at a standstill.
12.2 Troubleshooting
Table 13 Troubleshooting
Problem
Possible causes
Remedy
Fan does not run
smoothly
Impeller imbalance
Rebalancing by a specialist company if possible,
otherwise contact Systemair.
Soiling on the impeller
Clean carefully, rebalance
Material decomposition on the
impeller due to aggressive
material conveyed.
Contact Systemair
Impeller rotates in wrong
direction.
Change direction of rotation if possible, otherwise contact
Systemair.
Deformation of impeller due to
excessive temperature.
Ensure that the temperature does not exceed the certified
value/Install new impeller.
Vibrations, oscillations
Check the installation of the fan/check the duct system,
see 8
Installation
, page 10.
Air output of fan too
low
Impeller rotates in wrong
direction.
Change direction of rotation if possible, otherwise contact
Systemair.
Wrong wiring configuration (e.g.
Y instead of Delta).
Check and possibly correct the wiring configuration.
Pressure losses too high.
Optimize the line routing.
Flow regulators not or only
partly open.
Check opening position on site.
Intake or pressure ducts are
blocked.
Remove the blockage.
Grinding sounds
when starting or
operating the fan
Check if the duct connections of
the fan are strained.
Loosen the duct connections and realign it.
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