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Adjust the overrun time for the EFR .. R
Flatbox at the potentiometer [11]. Setting
range is 3...25 minutes.
Put the cover back on the terminal box.
EFR .. R Flatbox: Adjust the required
ventilation level with the selector switch [8].
Start-up
Install all system components in
accordance with their Operating
instructions before starting up.
Check that the technical data has been
adhered to, by reference to the rating plate.
Before start-up, ensure that there are no
objects, small parts, dirt, etc., in the ducts.
Switch the mains fuse on.
Carry out a function test.
8. Maintenance
The unit is maintenance-free.
9. Fault rectification
● Call on the services of a trained
electrician any time there is a fault.
● Repairs should only be carried out by a
trained electrician.
Danger to life. Unit is powered
up.
Switch the mains fuse off.
DANGER
Fault
Unit doesn't run
Thermal overload
protection
switches the unit
off.
Deposits on the
impeller and in
the housing
caused by dust in
the air.
Fig. 2: Fault rectification table
10. Disposal
Dismantling should only be carried out
i
by a trained electrician.
Not in domestic waste.
i
The unit contains in part material that
can be recycled and in part
substances that should not end up as
domestic waste.
Dispose of the unit once it has reached the
end of its working life according to the
regulations valid where you are.
Countermeasure
Check that the mains fuse
is switched on.
Put the customer-supplied
on/off switch to the "off"
position.
Let the motor and the
temperature limiter cool
down before switching the
unit back on. Cool-down
time can be up to 30
minutes. Then switch the
unit back on.
If the fault still continues,
call on the services of a
trained electrician
Call on the services of a
trained specialist.
Install an air filter in the
ducting.
Under no circumstances
should the inside of the
unit be cleaned with water
or a high-pressure cleaner.
GB
11
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