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6. Essential safety instructions
General safety instructions
● Read the operating instructions through
carefully before starting up.
● Keep the instructions.
●
Installation is only permitted when
carried out by trained specialists.
●
Electrical connections and repairs are
only permitted when carried out by
trained specialists.
● Only use fitters and electricians who are
sure-footed and comfortable working at
height.
● The unit must not be used as a toy.
● Only connect the unit to a permanent
electrical installation.
– Permitted cable cross section: 1.5 mm².
– Use a flexible connection cable.
– Mains isolation device required with
openings of at least 3 mm at each pole.
- Use a 6-core, shielded control cable.
● The unit may only be operated using the
voltage and frequency shown on the rating
plate.
● Only operate the unit when it is completely
installed.
● Modifications and alterations to the unit are
not permitted and release MAICO from any
guarantee obligations and liability.
● Ensure that foreign bodies cannot be
sucked into the unit and duct.
● Never operate without protective grille with
free inlet.
Intended use
● For
central air extraction
, with volumetric
flows that differ in each apartment (Centro
System).
● Also for
air extraction
in restaurants,
machinery rooms, workshops,
manufacturing areas, industrial buildings,
etc.
● For installation on roof socket (for flat,
sloping, corrugated or trapezoidal roofs).
● Should only be installed in a horizontal
position. It must be ensured that the
shutters can function correctly.
Predictable misuses
The unit should not be used:
● Close to flammable materials, liquids or
gasses.
● In explosive atmospheres.
Safe and correct practices during
operation
●
Danger of injury.
Do not insert any objects
in the air channel or the unit.
●
In the case of installation with free inlet:
danger from rotating impeller.
Do not get too close to the unit, to avoid
hair, clothing or jewellery being drawn into
the unit. Use a Maico SG protective grille,
for example.
7. Transport and storage
Transport
● Make sure that the GRD unit is not
damaged, tipped or knocked over during
transport.
● Only lift the GRD unit at the two fixed ring
nuts, using suitable lifting gear, e.g. a load
hook.
● Observe the slewing point (central).
● The permitted maximum load for lifting
gear, chains, ropes, etc. must be sufficient
for the transport weight (see Chapter 4).
● Do not stand under a suspended load
during transportation.
8. Installation preparation
Requirements at installation site
● Observe the permissible roof load.
● Only screw the GRD onto a suitable roof
socket, in order to prevent leaks.
● Use only roof sockets from the current
Maico main catalogue.
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