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8.2 Description of Components
Fans
The fans have external rotor motors of EC type which can be steplessly controlled individually between 10–100%. The motor bearings are life time lubricated
and maintenance free. It is possible to easily disconnect and replace the fans if necessary.
Filters
The 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 main
-
tenance. New sets of filters can be acquired from your installer or wholesaler.
Heat exchanger
The unit is equipped with an enthalpic heat exchanger, suitable to transfer thermal energy and humidity from one airflow to the other. The heat exchanger is
removable for cleaning and maintenance during service.
Thermistors
Temperature probes to implement temperature dependent functions.
8.3 Maintenance
•
Keep the unit surface free from dust.
• Clean the filters with a vacuum cleaner following the below illustrations (fig.8 b-c-d-e) when the FILTER signal is displayed on LCD. Their maintenance may
differ per situation depending on the internal and external environmental conditions.
• Press FILTER button (Fig.7.b - ) to reset the Filter Alarm.
•
Filters must be replaced every year.
WARNING
Make sure that the mains supply to the unit is disconnected before performing any installation, service, maintenance or electrical work!
L
Fig. 8.e
Fig. 8.d
Fig. 8.c
Fig. 8.b
Summary of Contents for QR230E
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