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Warning
• The system should operate continuously, and only be stopped for maintenance/service
• Although the mains supply to the unit has been disconnected there is still risk of injury due to rotating
parts that have not come to a complete standstill
• Beware of sharp edges during maintenance. Use protective gloves
• Make sure that filters are mounted in their place before running the system
• This product must only be operated by a person which has suitable knowledge or education within this
field or carried out with the supervision of a suitably qualified person.
9.2
Internal components
Position
Description
1
External connections
2
Extract air fan
3
Supply air filter
4
Extract air filter
5
Main print card
6
Rotating heat exchanger
7
Supply air fan
8
Supply air sensor
9
Outdoor air sensor
10
Extract air sensor
9.3
Component descriptions
9.3.1
Fans
The fans (pos. 3 and 8 figure 31) have external rotor motors of EC type which can be steplessly controlled individually
20–100%. The motor bearings are life time lubricated and maintenance free. It is possible to remove the fans for clean-
ing, see "User Manual" for more information.
212962 | v02
Fig. 31 Internal components
Service |
43
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