Operation in
dusty environ-
ments
NOTE!
If the inverter is operated in dusty environments, dirt may build up on the heat
sink and fan.
This may result in a loss of power due to insufficient cooling of the inverter.
▶
Make sure that the ambient air can always flow through the inverter's ventila-
tion slots unimpeded.
▶
Remove any build-up of dirt on the heat sink and the fan.
1
Switch off power to the inverter and
wait for the specified time until the ca-
pacitors have discharged and the fan
has shut down.
Turn the DC disconnector to the "Off"
switch position.
2
Loosen the screws on the underside of
the housing cover by rotating them
180° to the left using a screwdriver
(TX20). Then lift the housing cover
away from the inverter at the bottom
and detach from above.
3
Remove any build-up of dirt on the
heat sink and fan using compressed air,
or a cloth or brush.
NOTE!
Risk due to damage to the fan bearing
from improper cleaning.
Excessive speed and pressure on the
fan bearing can cause damage.
▶
Block the fan and clean it with
compressed air.
▶
When using a cloth or brush, clean
the fan without applying pressure
to the fan.
100
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