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Warning
• Even if the power supply to the WTU is disconnected, there is still a risk of injury
from rotating parts that have not yet come to a complete stop.
• Beware of sharp edges. Wear protective clothing.
Maintenance intervals
The table below shows the recommended maintenance intervals for the WTU.
To ensure a long service life of the WTU, it is important to observe these maintenance
intervals and to follow the maintenance instructions. Thorough and regular maintenance
is a prerequisite for a valid warranty.
1.
Or in accordance with local laws and regulations
Article numbers Filters WTU
Cleaning the
heat
exchanger
X
Changing filters
X
Cleaning fans
X
Cleaning grids
X
Cleaning ducts
X
¹
Type WTU
Coarse 45%
ePM1
55%
WTU-250-EC-E/IE
15723025
157230
27
WTU-600-EC-E/IE
15723050
157230
57
WTU-600-EC-TA
15723550
157230
57
Type of
Once a year
If
Supply and
Return air filter
(2 filters)
Optional Fine
dust
Supply air filter
Содержание WTU-1000-EC-E
Страница 2: ...2...
Страница 6: ...6 carried out...
Страница 16: ...16 Note The connections shown in a box are optional Electrical Connections WTU EC E IE TA...
Страница 41: ...40 Notes...