1270047_1
EN | Maintenance
15
7 Maintenance
WARNING!
Before service, maintenance or repair, disconnect power and wait until the impeller has
stopped.
WARNING!
Rotating, hot and electrical components can cause serious injuries
WARNING!
In accordance with IEC 60335-2-7.12, this apparatus is not intended to be used by
people (including children) who have physical, sensory or psychological impairment, or
lack of experience and knowledge, unless they have received guidance and instruction on
how to use the apparatus by a person who is responsible for their safety. Children must
be supervised to ensure that they do not play with the apparatus.
CAUTION!
Temperatures up to 85°C can be present on the controller housing (only for EC motor).
• The fan must be cleaned regularly, at least once a year to maintain the capacity and to avoid
unbalance which may cause unnecessary damage of the bearings.
• When cleaning the fan, high-pressure cleaning or strong dissolvent must not be used.
Cleaning should be done without displacing or damaging the impeller.
• The capacitor (only for AC motor) has fi nite lifetime and should be exchanged after 45.000 operation
hours (about 5 years of operation) to secure maximum function. Defective capacitor can cause
damage.
• NOTE! Temperatures up to 85°C can be present on the controller housing (only for EC motor).
• Waiting period of at least 3 minutes! (only for EC motor) Because of internal capacitors, danger
of death exists even after switching off the device through directly touching the energized parts or
due to parts that have become energized due to faults. The controller housing may only be removed
or opened when the power line has been switched off and a period of three minutes has elapsed
since switching it off.
• The fan bearings are maintenance-free and should be replaced only when necessary.
• Make sure that there is no noise from the fan.
1270047_utg1_RS_sveng.indd 15 2020-12-21 16:03:25
EN_SE_Manual_RS_1270047u1.pdf 15EN_SE_Manual_RS_1270047u1.pdf 15 2020-12-21 16:11:082020-12-21 16:11:08
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