VTR 100B LITE Installation and Service manual v2

Table Of Contents
Service
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43
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
Fig. 31 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