14
Max.
Turn the menu selector until the fan symbol is marked. Confirm
Turn the menu selector to max. airflow. Confirm
(Automatic reset to normal operation if supply air temp. is lower than 5
o
C.)
”Home leave”
Leaving the building for a longer period and reduced room temperature,
choose ”Home leave”. This function will reduce supply air temperature by
apx. 10
o
C. The “Home leave” function is chosen from separate switch (see
Installation instructions - "Electrical connections").
Change filter
Change filter when set operation time exceeds. Efficiency is reduced if filters
are not being changed. Choose operation time: See Installation instructions,
”Commissioning”.
Change filter: See "Maintenance"
Reset operation time after filter change
Turn the menu selector until "Service" is marked. Confirm
Confirm filter period by pressing
Confirm with and "Yes" is marked
Confirm with
and "No" is marked
Finish by pressing (twice)
Reset of operation time after filter change can alternatively be made from
separate switch (see installation instructions “Electrical connections”).
Timer regulation
If the system is ventilating a commercial building, week timer operation might
be required to alternate between day and night operation (reduced
ventilation). “Night operation” will appear in the display when the unit is
running on reduced ventilation.
During "Night operation" override to “Normal operation” can be done from
separate switch. See Installation instructions – “Electrical connections”.
Choose operation time for override:
Turn the menu selector until "Service" is marked. Confirm
Turn the menu selector until "Extended operation" is marked. Confirm
.
Confirm with . Number of minutes is displayed.
Turn the menu selector and choose operation time for override (10 to
240 min.). Confirm
.
Finish by pressing (twice)
Setting the Automatic Defrost function
The unit is equipped with an automatic defrost function that is
activated when there is risk of icing in the area around the rotating
heat exchanger. The function, which is controlled by the outdoor
temperature, will reduce the supply airflow and/or increase the extract
airflow in preset time cycles that depend on the current outdoor
temperature and the sensitivity level the function is set in
(see tabel
under ”Automatic Defrost function” in the “installation instruction”)
. See
below description how these can be set. Level 3 is preset from the
factory.
Home leave
Filter
Service Filter
periode
Service
Night operation
Filter periode
Reset: Yes
Service/Exten-
ded operatioon
Extended op.
Minutes: xxx
Time for filter
change x
Airflow
High/Norm/Low
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