*The extract air temperature is always used, regardless of whether a room temperature
sensor is installed for the system.
Menu 3.1.5.9 - Per-
mit night-time cool-
ing
If
is set to
and the indoor air
quality level is
is activated
Comfort/Standby/
Economy
Yes
included in the tim-
er program for the
following day
night-time cooling
Comfort/Standby/
Economy
Yes
not included in the
timer program for
the following day
no night-time cool-
ing
Comfort/Standby/
Economy
No
included in the tim-
er program for the
following day
night-time cooling
Comfort/Standby/
Economy
No
not included in the
timer program for
the following day
night-time cooling
Menu 3.1.6 - Cold recovery
Selecting cold re-
covery
Activate in Menu 3.1.6.
Start-up (Start limit)
Cold recovery starts when the configured temperature difference between the room
temperature and outdoor air temperature is reached. The factory setting is 3K. Cold
recovery operates at 100% when it is engaged.
Stop
Cold recovery ceases again when the temperature difference between the room
temperature and outdoor air temperature is 1K below the configured start limit.
Operation with CCW
or MXCU
Recommend that cooling recovery is activated if CCW or MXCU cooling used.
Menu 3.1.7 - Fan limits
Function
Configuration of minimum and maximum fan output limits (supply air and extract
air) as percentages. These are the absolute minimum and maximum fan output
limits, i.e. all other menus where fan output can be changed will be limited by the
absolute settings.
Example
If a user selects maximum fan rpm in the user menu (100% ventilation), fan output
will still never exceed the value set in this menu.
Menu 3.1.8 - Temperature limits for supply air and room
Function
Configuration of minimum and maximum supply air temperature limits. These are
the absolute minimum and maximum supply air temperature limits, i.e. all other
menus where supply air temperature can be changed will be limited by the absolute
settings.
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Starting up the unit for operation
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