Maico EKR 20, Монтаж и эксплуатация, Страница: 14 / 32

gb │ 3. Product information
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3.4 Foreseeable cases of misuse
Maico is not liable for damages caused by usage not
for the intended purpose. The fan unit should not
be used:
● if a condensation drain to is needed to the right or
left with an installation position with exhaust socket.
Condensation drain is only guaranteed with an
installation position where the exhaust socket is
directed upwards.
● close to flammable materials, liquids or gasses.
● in potentially explosive atmospheres
● with covered motor (danger of overheating)
4. Technical data
Rated voltage 230 V
Power frequency 50 Hz
Degree of protection IP 54 degree of
protection with closed
service door as well as
duct connections fitted on
the inlet and outlet sides.
For more technical data, see rating plate or Internet.
Refer to Chapter 15 for housing dimensions.
5. Environmental conditions and
operating limits
● Permitted max. ambient temperature 50 °C, for
EKR..FU units, max. 40 °C.
● Permitted max. airstream temperature: 120 °C
● When operating with air-ventilated fireplaces,
the maximum permitted pressure difference per
living unit is 4 Pa.
6. Essential safety instructions
6.1 General safety instructions
● Read the safety instructions through carefully before
commissioning.
● Keep the instructions.
● The device must not be used as a toy.
● Mounting is only permitted when carried out by
trained specialists.
● Electrical connections and repairs only permitted
when carried out by trained specialists.
● Only connect device to permanently wired electrical
installations with NYM-O or NYM-J, (3 x 1.5 mm²)
type cables. Additionally, a mains isolation device
is required with contact openings of at least 3 mm
at each pole.
● The ventilation box may only be operated using the
voltage and frequency shown on the rating plate.
● Only floor-mount the ventilation box on the mounting
tracks with vibration dampers.
● If there is a heavy build of condensation on the fan
housing, make sure there is sufficient condensation
run-off.
● Only operate the ventilation box when the service
door is closed.
● Disconnect the unit completely from the power
supply before opening the service door.
● Only open the service door when the impeller has
come to a complete stop. Wait until the impeller is
stationary before opening.
● The device may only be operated if the protection
against accidental contact with the impeller is
guaranteed to be in accordance with DIN EN 294.
For this purpose, a ventilation duct at least 1 meter
long on both the exhaust air and outgoing air side
or a protective grille must be installed.
● Modifications and alterations to the unit are not
permitted and release Maico from any guarantee
obligations and liability.
6.2 Safe and correct practices during
operation
In the case of incorrect use, there is a direct
risk of
injury to operational or cleaning personnel .
● The service door is very heavy. In order to avoid
injuries, always fix the opened service door in place
with door stoppers [3].
● Do not insert any objects in the unit or the protective
grille.
● The unit is not intended to be used by people whose
physical, sensory or mental capabilities are not
sufficient for them to understand and put into
practice the safety information provided in these
instructions. This limitation also applies to children.
The unit may however be safely used by such
persons if they are supervised by someone
responsible for their safety or if they are instructed
in a suitable way.
6.3 Operation with air - ventilated fireplaces
● Sufficient supply air intake must be ensured during
operation with air-ventilated fireplaces.