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Service
4.3 Internal components
Fig. 5 Internal components
Position Description
1
Supply air fan
2
Overheat protection sensor
3
Overheat protection reset button
4
Internal electrical re-heater
5 Rotor sensor
6
Rotating heat exchanger
7
Outdoor air sensor
8
Supply air filter
9
Extract air fan
10
Drive belt for rotating heat exchanger
11 Rotor motor
12
Relative humidity/Extract air temperature sensor
13
Extract air filter
14
Supply air sensor
15
External connections
4.3.1 Component descriptions
4.3.1.1 Fans
Fans have an external EC type rotor which can be steplessly controlled individually 16–100%. The motor bearings are
life time lubricated and maintenance free. It is possible to remove the fans for cleaning, see “User Manual” for more
information.
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