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5. Use
5.1. Preparation
Before commissioning
The ventilation unit and accessories must be assembled.
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The duct system must be assembled.
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The condensate drain must be installed and the trap must be
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filled with water.
All exterior and interior doors and windows must be shut.
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There must be enough space for air flow beneath the interior
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doors.
The adjustable valves in all rooms must be fully opened.
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Caution!
Increasing the maximum motor speed results in increased noise
levels and energy consumption.
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Caution!
Before the wireless control switch can be paired, the ventilation
unit must have been switched off for 15 seconds.
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Caution!
If the power supply is cut during the commissioning phase, you
must wait for two minutes after the power has been restored. All
ventilation units in the immediate area will be in pairing mode
for the first two minutes.
Note
Every RF control switch and/or RF sensor must be paired
separately. You can pair and use up to 20 RF devices.
Note
If you cannot finish pairing RF control switches and/or RF
sensors within 2 minutes, then you can put the ventilation unit
back into pairing mode by disconnecting power, waiting 15
seconds, and then restoring power. Any control switches or
sensors already paired with the ventilation unit remain paired.
5.2. Putting into service
Follow the steps below to correctly put the ventilation unit into
service:
a) Disconnect power to the ventilation unit.
b) Wait for at least 15 seconds.
c) Restore power to the ventilation unit.
The bypass valve of the ventilation unit is automatically calibrated after
the unit is switched on. This process takes approximately 30 seconds.
You may hear a rattling sound because the bypass valve is driven fully
open and closed during calibration.
If the ventilation unit is set to level 3 (high) within 2 minutes after it is
switched on, it goes into commissioning mode. In this mode the
bypass valve is opened so the unit can be adjusted using the same
flow resistance in all cases, regardless how clogged the filters are.
The ventilation unit returns to normal operation after 2 hours, or earlier
if it is set to a different level. In normal operation the position of the
bypass valve is determined by the bypass control.
d) Pair the available wireless control switches as described under
Pairing RF control switches on page 25.
e) Pair any available optional sensors as described in Pairing RF
sensors on page 26.
Note
After it is switched on, the ventilation unit remains in pairing
mode for 2 minutes. The ventilation unit responds to all pairing
requests received during this period, which means that another
RF control switch or RF sensor may unintentionally pair with your
ventilation unit. As a result, your ventilation unit will respond to
your own RF control switch or RF sensor, but it may also respond
to a control or sensor of a neighbouring dwelling.
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Caution!
If an RF control switch of a neighbouring dwelling is
unintentionally paired with your ventilation system, you can
resolve the problem by unpairing and repairing an already
paired control switch. Unpairing one control switch also unpairs
all the rest, including those of neighbouring dwellings.
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