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Timers
Three different time programs can be configured for this HRV.
When the timer is set, HRV operates with
predefined fan speed and the supply air temperature is controlled according to the predefined value.
Fireplace function
The fireplace function is controlled through "Fireplace Mode" item of the control panel menu. Time of this
function can be set as follows: Service menu->Accessories->Fireplace mode. This mode can be active for
5-60 min; time can be adjusted with five minutes steps.
The fireplace mode can also be disabled through the same service menu. In this case the lock symbol will
be displayed in the "Fireplace mode" menu and this menu item will be disabled.
In the Fireplace mode the supply fan is operating at the chosen speed and the speed of the exhaust fan is
adjusted according to the percentage value. Text "Fireplace mode" is shown on the display in the speed
data sector.
Fireplace mode can not be switched on if the HRV is operating in the defrosting mode.
Measurements
The values of all sensors and the transmitters can be checked through the ''Measurements' item on the
Service menu.
One value at the time can be chosen for displaying on the home screen of the control panel
if HRV operates in the normal mode.
Key lock
By pressing buttons
^ and v simultaneously and holding them for 2 seconds, display's keyboard will be
locked; and a lock symbol will be shown on the display.
The key lock is released by pressing the
same buttons and holding them for 2 seconds until the lock symbol disappears.
After-heating
Ventilation unit FAIR-80 has an 800 W electric post-heating element , which heats the supply air if needed.
When this function is activated, the air temperature is regulated as precise as possible according to the set
value (13-22 ° C). When the supply air is heated by the heating coil, symbol
is shown on the display.
Heat recovery
The heat recovery is automatically controlled according to the temperature limit set by the user.
Additionally, the device has the following recovery functions: summer cooling and cooling recovery.
When the heat recovery exchanger is switched off, it cyclically rotates for 15 seconds every four hours to
prevent possible clogging of the device.
When the heat recovery function is switched off, symbol
is shown
on the display.
Summer cooling
The summer cooling function is used in summer to cool the interior when the outdoor air is cooler than the
extract air. The summer cooling function can be activated from the control panel. When this mode is enabled,
the heat recovery will be automatically switched off and the f cool air supply fan will work according to the
set speed.
Cooling recovery
The cooling recovery is used in summer through recuperating the cooling effect of the cool indoor air and
combining it into the supply air. When the cooling recovery is enabled, the heat recovery function will be
automatically activated
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