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User manual
6
VENTILATOR OPERATION MODES
The ventilator has several operation modes:
Ventilation mode
Ventilation: the ventilator runs either in air extraction or air supply mode at a set speed.
In this mode some of the ventilators in the network run in air supply mode and the other ones in air extraction
mode, depending on the position of the DIP switch No. 3 (see section Setting the ventilator operation mode
using DIP switches).
Boost mode:
The ventilator goes to the maximum speed without changing the operation mode.
Regeneration mode.
The ventilator operates cyclically in two cycles, each of 70 seconds, with heat and humidity recovery.
Cycle I. Warm stale air is extracted from the room and flows through the ceramic regenerator, which
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gradually absorbs heat and humidity. In 70 seconds, as the ceramic regenerator gets warmed, the
ventilator is switched to supply mode.
Cycle II. Fresh intake air from outside flows through the ceramic regenerator, absorbs accumulated
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moisture and is heated up to the room temperature. In 70 seconds, as the ceramic regenerator gets
cooled down, the ventilator is switched to air extraction mode and the cycle is renewed. If two
ventilators are installed, they operate with opposite rotation directions in this mode. While one
ventilator supplies air, the other one extracts it.
9
FLEXI 50
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