Helios AIR1/KWL-CO2 0-10V Notice De Montage Et D'utilisation page 11

Installation and operating instructions
Room sensor AIR1/KWL-CO2 0-10V
3.2 Electrical connection
In case of connection to an ventilation unit or fan, observe the wiring diagram, see the
installation and operating instructions for the ventilation unit or fan.
Output CO2 0-10 V ppm
DIP switch
DIP 1 CO2 content
ON
0 ... 5000 ppm
OFF 0 ... 2000 ppm (default)
DIP 2 not used
DIP 3 CO2 zero point automatic
ON
activated (default)
OFF deactivated
85499-228 SS-1405 19.11.2020
Maximum cable length between sensor and controls: 50 m.
Recommended cable type for the sensor connection: shielded cable (provided by custo-
mer) with 0.5 mm² strand cross-section. The shield must be applied to the GND on the
control side.
1
+UB 24 V AC/DC
2
-UB GND 3
12 11 13
DIP 4 Output
ON
not used
OFF voltage 0 - 10 V (default)
DIP 5 internal
ON
not used
OFF default
4
ON DIP
1 2 3 4 5
set zero offset
EN
Fig.3
E