EN - 45
3. Briefly press the operating button to select the correct function:
■
Controller function:
The CO
2
LED turns
green
, the bottom two LEDs on the right
turn red.
■
Sensor function:
The CO
2
LED turns
red
, the bottom two LEDs on the right turn red.
4. Press the operator button for 5 seconds to confirm the selection:
■
All LEDs on the right blink green 3 times.
7.3 Control setting of the CO
2
0-10V Sensor
Ventilation unit
Advisory setting of the CO
2
Sensor
Ventilation with heat recovery in combination with
ComfoZone Box
Sensor
Ventilation with heat recovery
■
Sensor, depending on regulations
■
Controller, unless a value other than
1050ppm* is desired
Mechanical ventilation
Controller
* The CO
2
Sensor uses a fixed target value of 1050ppm (parts per million: number of units
of CO
2
per million units in the measured air).
Function
setting
Operation of the
CO
2
Sensor
ComfoAir Q settings
ComfoAir E settings
Sensor
The signal from
the device is the
measured value.
(In this case, 2V
corresponds to
400ppm and 10V to
2000ppm)
The controller that
ensures that the
level of CO
2
does
not become too high
is located in the
ventilation unit.
■
Signal at 0%: 10V
(2000ppm)
■
Signal at 100%: 2V
(400ppm)
■
010V input function:
control
■
Setpoint: depending on the
desired CO
2
level, e.g. 4V
(800ppm)
■
Proportional ratio: 50%
(800ppm)
■
Integration time: 300
seconds
■
Activation: On
■
Method: Setpoint control
■
Setpoint: depending on the
desired CO
2
level, e.g. 4V
(800ppm)
■
Min. setting: 2.0V
■
Max. setting: 10.0V
■
P value: 50%
■
I value: 300 seconds
■
Invert signal: Yes
Controller
A signal from the
device provides the
ventilation needed to
reach 1050ppm.
The ventilation unit
can be controlled via
the 010V input.
■
Signal at 0%: 0V
(minimum ventilation)
■
Signal at 100%: 10V
(maximum ventilation)
■
010V input function: send
■
Activation: On
■
Method: Proportional
flow rate
■
Min. Setting: 0.0V
■
Max. Setting: 10.0V
■
Invert signal: No
