30
Using the control panel,
continued
Manual bypass
mode
If one of the parameter for the bypass going into auto mode is not
avalible, you can manually select bypass by presssing the bypass key on
the unit once. This will override setpoints, and activate bypass for 6 hours
if the outside temperature is 2°C lower than inside.
Bypass LED will light when damper is open
Manual fan speed
When pressing this button once, the fan speed will increase one step.
When reaching step 4 it will switch to speed 0 and then again upwards
Fireplace
A fireplace needs overpressure inside the house in order to avoid smoke in the living
room when lighting it up. Fireplace mode will:
Put supply fan into speed 3
Reduce the extract fan speed to 50% of supply, in order to create this over-
pressure.
If T2 <9°C fireplace mode will be disabled
If fireplace is enabled in PC tool the fireplace function can be activated by
pressing the manual fan speed for 5 seconds. Fireplace function is auto-
matically disabled after 7 minutes, but can also be disabled manually by
pushing MANUAL for 5 seconds again.
Fan speed 3 LED´s will flash during the 7 minutes fireplace count down.
Week program
Press once to select week program operation. Only HRC remote control en-
ables you to select appropriate week program according your local needs.
Week program 11 can be tailor-made also with a mix of fixed fan speeds,
as well as demand mode time periods.
Week program 11 can be programmed with the pc tool.
5 seconds long press will activate demand controlled operation, VOC/RH% sensor kit if
installed.
LED light permanently to indicate week program
LED flashes to indicated auto mode (demand) controlled by the
VOC/CO
2
sensors.
Filter or error indi-
cation
This button is the alarm reset. If the LED light up in orange its a warning
indicating that the filter needs to be changed. Please see the service guide
section at page 33 to learn how to replace the filters.
Press the button once to reset the filter alarm.
Press and hold for 10 seconds to reset the filter timer without the
filter timer has run out.
If the LED is red, the unit is in a alarm state, that needs to be corrected, in order to
bring the unit into operation again.
Error codes can be read on the remote control if connected, or in the PC tool.
