USER MANUAL
Operation: Standard operating modes
Standard operating modes
NOTICE
Risk of water damage!
In case of heavy condensation, water can leak out of the air duct system which can lead to
water damage.
• Never switch off the ventilation unit to save energy. Leave the unit switched on
The unit comes with three standard operating modes:
• Manual operation
• Automatic operation (according to week program)
• Demand-controlled operation
Decide which of the three standard operating modes you want your unit to run in and
adjust the settings as desired using the Dantherm PC tool, the Dantherm ResidentialApp or
the HRC3 remote control. Note, however, that mandatory minimum values for air exchange
may apply.
Controlling the fan speed manually. In manual mode, the ventilation unit operates at the
Manual operation
selected fan speed until it is changed manually.
Briefly pressing the fan speed button activates the manual mode. The fan speed is increased
by one level (stage 0–4) each time the button is actuated. After stage 4, the fan speed starts
again at stage 0. The stage of the fan speed is indicated by the fan speed level indication on
the control panel.
INFORMATION
If the unit runs at stage 4 (fan boost) or stage 0 (off) in manual mode, it will automatically
switch to stage 3 (nominal mode) after four hours.
Stage 0 of the fan speed can be locked using the PC tool. If stage 0 is locked, the fan speed
jumps to stage 1 after stage 4.
When the manual mode is activated, this will be indicated by continuous illumination of the
respective LED.
When automatic operation is activated, the unit will automatically adjust the fan speed to a
Automatic
preset week program.
operation
(according to week
You can activate the week program from the unit's control panel, but you cannot select it.
program)
Selecting one of the 11 week programs (10 preset programs + one customisable program in
the PC tool) can only be achieved via the Dantherm app, the HRC3 remote control or the
PC tool. For more information on the weekly programmes, please refer to the chapter "Week
programs of the time switch".
Briefly pressing the Week/Auto button activates automatic operation. When a week program
is activated, this will be indicated by continuous illumination of the respective LED.
Activate demand-controlled operation if you want to control the quality of the room air
Demand-controlled
automatically. In this mode, the measured values of the VOC, RH and/or CO
operation
used to control the quality of the room air. Therefore, the respective sensors must be
connected for demand-controlled operation. The CO
installed Accessory Controller (HAC).
Pressing and holding (five seconds) the Week/Auto button activates demand-controlled
operation. When demand-controlled operation is activated, this will be indicated by the
corresponding LED flashing slowly.
continuously to prevent the formation of condensate.
sensors are
2
sensor can only be connected via an
2
9