Important user information!
Ventilation with heat recovery
With the decentralized ventilation system M-WRG with
heat recovery from Meltem you have acquired a high
quality product. This ventilation system serves you as
an improvement for your home and your health as well
as a protective measure against moisture and mold
damages in your home.
Ventilation by opening windows, especially during cold
seasons, belongs to the past. From now on, fresh and
filtered air is supplied fully automated. The stale air is
extracted and its warmth transferred to the fresh air,
via the heat exchanger. While doing so, the M-WRG
ventilation units have minimum power consumption.
You save heating costs, increase the comfort of your
home and at the same time reduce the impact on the
environment by reducing CO2 emissions.
Of course you still may open your windows -
especially during warmer days.
A family of four produces daily an average of 10-14
liters of moisture, due to cooking, laundry, personal
hygiene, and breathing of inhabitants, plants and
animals! This excessive amount of moisture, within
the interior air, is extracted through the M-WRG
ventilation unit and therefore prevents the forming of
mold and resulting damages in the building structure.
At the same time, fumes from floors, furniture and a
too high CO2 concentration in the air, which can lead
to fatigue and health issues, will be extracted from the
interior rooms and replaced by fresh and clean air.
Directions for correct usage
Please read this manual carefully and follow the
instructions contained in this manual. Additionally,
familiarize yourself with the operations of the M-WRG
ventilation unit, as well as please pay attention to the
warnings and cautions contained in this manual.
•Never operate the M-WRG ventilation unit without
filters. Only with the original filters from Meltem,
the units will remain clean, fully operative, and
have a long lifespan.
•The M-WRG ventilation unit may only be operated
once installed correctly.
•When ventilating basements or similar rooms we
advise to be cautious (especially during the
summer season and warm weather), due to the
fact that the moisture in the air will condense on
cold interior walls and - despite ventilation -
moisture damages can occur. Therefore, please
only ventilate at night during warm weather
seasons! If you would like to ventilate such rooms
with an M-WRG ventilation system, please consult
with the manufacturer prior to purchase.
•Never cover the M-WRG ventilation unit or any part
of it with e.g. cabinets, blinds or curtains. A
minimum distance of 30 cm to any furniture is
required, in order for the M-WRG ventilation unit to
remain fully operable.
•The M-WRG ventilation unit has been designed for
continuous operation and a long lifespan. During
cold seasons, the M-WRG ventilation unit should
be operated continuously. The energy saving
motors and innovative electronics guarantee –
despite continuous operation- for a low power
consumption (approx. 3.8 Watt at level 1). Only a
continuous operation achieves a permanent
extraction of moisture and condensation. If this
does not occur, it is possible that condensate will
gather in the unit.
•If a high concentration of moisture occurs, we
recommend regularly ventilating the room at the
highest ventilation level for 10 minutes, in order to
eliminate any possible condensation inside the
unit.
•In order to guarantee a smooth operation,
especially during low exterior temperatures
(below -5°C), you should avoid interior
temperatures below 15°C.
Caution: In case of exterior temperatures below
0°C, icicles may form at the façade covers. These
should be removed for safety purposes.
Maintenance and Filter replacement
The unit automatically monitors the filter status. An
acoustic warning signal will inform you, when the
filters need to be replaced.
However, for hygienic reasons, it is strongly
recommended to replace the filters at least once
per year, ideally before the heating season.
For a reliable operation of the units and for your
own safety, only original and certified parts from
Meltem should be used. Otherwise this may void
the warranty and Meltem will not be liable for any
damages.
We hope you will enjoy your new M-WRG home
ventilation system with heat recovery!
