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Maintenance
3 Maintenance
3.1 Important
Danger
• Make sure that the mains to the unit is disconnected before performing any maintenance or electrical
work!
• All electrical connections must be carried out by an authorized installer and in accordance with local rules
and regulations.
Warning
• Although the mains to the unit has been disconnected there is still risk for injury due to rotating parts that
have not come to a complete standstill.
• Beware of sharp edges during mounting and maintenance. Use protective clothing.
3.2 Maintenance intervals
The table below shows recommended maintenance intervals for the unit and the installation. To ensure a long opera-
tion lifetime for the unit it is important to perform maintenance according to below recommendations and that they are
performed according to the operation and maintenance instructions. A thorough and recurrent maintenance is a must
for a valid guarantee.
Type of maintenance
Once a year
When necessary
Cleaning the heat exchanger.
X
Cleaning the fans.
X
Cleaning extract louvres and supply
air diffusers.
X
Cleaning the outdoor air intake.
X
Cleaning the duct system.
X
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Or in accordance with local rules and regulations
151618 | A002
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