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Marcin Lipka
10.01.2022
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ALNOR
®
ventilation systems
is a legally protected trademark and technical patent. All rights reserved.
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User Manual
HRU-MinistAIR
6
.8 Auto return to auto mode
Parameter Auto return to auto mode (#60) is normally disabled. If you enable this option (only by authorized
service personnel), unit returns to auto mode automatically after set value.
NOTE:
Auto mode works only when you have minimum one HRQ-SENS sensor (CO
2
or RH) paired with HRU.
6.9 Filters
The unit is delivered from the factory equipped with two filters: ISO Coarse 70% (G4) filter - optionally ISO ePM1
55% (F7) on the supply side, and ISO Coarse 70% (G4) filter, optionally ISO ePM1 55% (F7) on the exhaust side.
It is also possible to install an ISO Coarse 70% (G4) filter, optionally ISO ePM1 55% (F7) on the exhaust side and
ISO Coarse 70% (G4) filter, optionally ISO ePM1 55% (F7) on the supply side as an accessory.
NOTE:
Please remember that additional filters increase pressure drop in all ventilation system.
Fig 20 - places for filters (view without front cover)