Manual
1918
AIR CO
2
NTROL UP Single Beam – CO
2
Monitor
5. Getting started
Important note:
When using the device for the first time, please make sure to connect the
power supply uninterruptedly for 24 hours. The device will perform an
automatic calibration within 24 hours.
• Plug the supplied USB-C cable into the designated port on the device and
connect the unit to the mains using the power adapter.
6. Operation
• Press the POWER/LIGHT sensor button for 3 seconds to switch on the
device.
• The device will issue two beeps and all segments will be displayed briefly.
• The display shows the current temperature and humidity.
• The CO
2
sensor goes into warm-up mode and starts a 150-second count-
down. Afterwards the normal display appears. The device is ready for use.
• Press the UP/°C/°F button in normal mode to change between °C
(Celsius) or °F (Fahrenheit) as temperature units.
• Briefly press the POWER/LIGHT sensor button to adjust the brightness in
4 steps (high, medium, low, off).
• Press the POWER/LIGHT sensor button for 3 seconds to deactivate the
device.
7. Traffic light display
• The CO
2
monitor shows the CO
2
comfort level with an extended traffic
light display:
AIR CO
2
NTROL UP Single Beam – CO
2
Monitor
8. CO
2
upper limit
• Press briefly the CO
2
SET button in normal mode. and 2000 ppm
(default) or the last adjusted upper CO
2
limit appear on the display. After
3 seconds, the device automatically returns to the normal mode.
• Press and hold the CO
2
SET button for 2 seconds to enter the setting
mode. The value flashes.
• Press the DOWN/CALIBRATE or UP/°C/°F button to set the desired upper
limit in steps of 10ppm, while the value flashes.
• Press and hold the DOWN/CALIBRATE or UP/°C/°F button in setting mode
for fast mode.
• Confirm the setting with the CO
2
SET button.
• The device will automatically quit the setting mode if no button is pressed
for 20 seconds. The setting is saved.
• Press the CO
2
ALARM button in normal mode, to activate or deactivate the
alarm function for the upper CO
2
limit. appears on the display when
the alarm is activated.
• If the measured CO
2
value is above the upper limit setting, an alarm
sounds and the CO
2
alarm symbol flashes. Press any button to stop the
alarm sound. The CO
2
alarm symbol will continue flashing until the mea-
sured CO
2
value is below the set alarm limit.
9. CO
2
, temperature and humidity maximum and minimum values
• Press the MEM button in normal mode.
• You can now read the highest measured values for CO
2
, temperature and
humidity of the last 24 hours (display MAX).
• Press the MEM button again.
• The minimum values measured since the last 24 hours appear on the dis-
play (display MIN.
• Press the MEM button again to return to normal mode. The device will auto-
matically quit the MAX/MIN mode if no button is pressed for 3 seconds.
• Press and hold the MEM button for 2 seconds during the highest or low-
est values are displayed. The values will be deleted (display ----) and reset
to the current state.
10. Calibration of the CO
2
sensor
10.1 Automatic calibration of the CO
2
sensor
• The sensor is automatically calibrated every 24 hours to the lowest CO
2
reading obtained during that period to keep the deviation low during
prolonged use. To perform the calibration, the power supply must be con-
nected continuously for 24 hours.
CO
2
value (ppm) Description
400-600 GOOD
601-1000 NORMAL
1001-1500 POOR
1501-2000 SERIOUS
2000 SERIOUS +
➡
TFA_No. 31.5011_Anleit_10_22 18.10.2022 10:40 Uhr Seite 10










