GB
5. Essential safety instructions
General safety instructions
● Read the mounting instructions through
carefully before starting up.
● Keep the instructions.
● The device must not be used as a toy.
● Before removing the cover, disconnect the
unit from the power supply (switch off
mains fuse).
● Installation, electrical connections,
starting up and repairs only permitted
when carried out by trained specialists.
● Only connect the unit to a permanent
electrical installation.
– Permitted cable cross section: 1.5 mm².
– Mains isolation device required with
contact openings of at least 3 mm at
each pole.
● The fan unit may only be operated using
the voltage and frequency shown on the
rating plate.
● Only operate the fan unit when it is
completely installed.
● Modifications and alterations to the unit are
not permitted and release Maico from any
guarantee obligations and liability.
Intended use
● Air quality controller for controlling the
supply of fresh air, depending on room air
quality and switching point setting
(sensitivity).
Predictable misuses
Under no circumstances should the unit
be used:
● close to flammable materials, liquids or
gasses.
● in areas subject to explosion hazards.
● in safety applications.
6
Installation, Electrical connection
Danger to life from electric
shock
Switch the mains fuse off.
DANGER
Position a warning notice to
avoid the unit being
accidentally switched back on.
Danger of short-circuits
NOTICE
through incorrect feeding of
the power cable into the
housing.
Guide power cable into
housing correctly.
Lay a permanent power cable to the
installation location.
Remove housing cover. To do this,
carefully press the locking hook out of the
grating with a screwdriver. Evenly pull off
housing cover.
Use 2 screws to secure bottom part of
housing to installation location. See figure
for spacing. Suitable mounting material is
to be supplied by the customer.
Connect unit according to wiring diagram,
see page 11 and 12.
Start-up
Danger to life from electric
shock. Settings undertaken
once powered up.
DANGER
Never touch the connection
terminals.
Ensure that the unit is connected correctly.
Check that the technical data has been
adhered to.
Switch on mains fuse and wait during the
warm-up period (approx. 5 minutes).
Red LED lights up during this time. The
output relay is closed. The unit is then ready.