18
7 MAINTENANCE AND SERVICE
WARNING
Make sure that specific warnings and cautions in Chapter 2 “Precautions” are carefully read, understood and applied!
Maintenance can be carried out by the user.
Service must be performed only by an authorized installer and in accordance with local rules and regulations.
Questions regarding installation, use, maintenance and service of the unit should be answered by your installer or place of
purchase!
7.1 Components list
Fig. 7.a
Internal components
7.2 Description of Components
Filters
The 2 filters are of filter quality G4 for both the supply air and extract air filter.
The filters need to be cleaned regularly (and replaced when polluted) during maintenance. New sets of filters can be acquired
from your installer or wholesaler.
Heat exchanger
The unit is equipped with a highly efficient, counter-flow plate heat exchanger. Supply air temperature is therefore normally
maintained without adding additional heat. The heat exchanger is removable for cleaning and maintenance during service.
Condensation drainage
Depending on the relative humidity in the extract air, condensation may occur on the cold surfaces of the heat exchanger, on one
side in winter time, on the other side in summer time (Table 6.c).
The condensate water is led out through drainage pipe.
1
2
3
4
5
FILTER G4, EXTRACT AIR
FILTER G4, INTAKE AIR
HEAT EXCHANGER
CONDENSATION DRAINS
CONDENSATION TRAY
3
4
2
1
5
4
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