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Recommendations for drying with the Comedes ITR 90
In order to achieve the best possible dehumidification result with the ITR 90 with the lowest
possible
energy consumption, we provide the following information:
Since these instructions can only provide limited assistance, we recommend that you obtain
further information at: www.comedes.com.
Basics of dehumidification with the Comedes ITR 90
The dehumidifier works similarly to a refrigerator with a refrigerating machine. This creates a
cold surface (on the evaporator) on which water condenses. Depending on the humidity and
ambient temperature, the water condenses at the dew point temperature. For the dehumidifier
to dehumidify, the cold surface must be below the dew point temperature. Since the water
would freeze at negative dew point temperatures, the dehumidifier can only work with positive
dew point temperatures. To ensure this, the dehumidifier is equipped with a modern,
temperature-controlled automatic defrosting system, which keeps the evaporator temperature
approximately between 0 and 5°C. To be able to dehumidify sensibly, the dew point
temperature should be above 5°C. If the dew point temperature is below this, dehumidification
is either not possible at all or only very inefficient. With the following table you can determine
the dew point temperature in your case.
If the dew point temperature is too low, it is recommended to heat.
Attention:
Heat the room only with water-bearing heating units, such as underfloor heating and per-
manently installed radiators.
If this is not possible, the room can be preheated with another electrical heater. However, the
dehumidifier must not be in this room.
The safety and operating instructions in this manual must be followed under all circumstances.
Drying for problems with condensation moisture
Condensation moisture usually occurs in cellars when humid air enters the cellar in summer
and condenses on the cold cellar walls. We recommend dehumidifying the cellar room by room
in continuous operation first. First, let the unit run in continuous mode until you notice that the
amount of water dehumidified from the room air is decreasing. Now move the unit to the next
room. Once you have dried all the rooms, we recommend selecting a central installation
location and running the unit in automatic mode. This type of dehumidification is more energy
efficient than immediately dehumidifying in automatic mode, because then the device switches
off and on very frequently.
EN-15
www.comedes.com
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