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INSTRUCTION
EN
S-CO2RT-R / S-CO2RT-R-D
i
Read this instruction before installation
and wiring of the product
CO
-sensors for wall mounting
2
CO2RT-R / CO2RT-R-D are sensors for measuring carbon
dioxide (CO
) concentration in indoor environments. Measuring range
2
0...2000ppm and relay output.
Technical data
Measuring principle
NDIR (Non-Dispersive Infrared
Technology)
Measuring range
0...2000 ppm
Inaccuracy at 20°C
< ±(50 ppm + 2% of the measured value)
Temp. influence
typ. 2 ppm / K
Long term stability
typ. 20 ppm / year
Time constant
< 90 seconds
Warm-up time
< 5 minutes
Ambient temperature
-5...55°C (23...131°F)
Humidity
0...90 % RH non condensating
Protection class
IP30
Switching output
Max. switching voltage
50 V AC / 60 V DC
Max. switching load
1 A at 50 V AC, 1 A at 30 V DC
Min. switching load
1 mA at 5 V DC
Contact material
Ag+Au clad
(3,3)
85
100
(3,9)
30
(1,2)
Dimensions in mm (in)
Mounting
CO2RT-R / CO2RT-R-D should be mounted in a location with good air
circulation where they can be expected to give a representative reading.
Mount the sensor on a wall-box or directly on the wall. Remove the front
cover by depressing the locking toungue in the lower part of the casing
using a 3 mm flat-blade screwdriver (see arrow in figure). Press and twist
the screwdriver at the same time as you pull the bottom part of the front
outwards. When the bottom end of the front is free from the casing bottom
part, slide the cover towards the top of the casing to free the hooks hold-
ing the upper edge of the front cover.
Wiring
Supply voltage 24 V AC ±15%, 50...60 Hz or 15...35 V DC.
Consumption 3 W.
1
Supply voltage 24 V AC
2
System neutral 24 V AC
3
Common
4
Normally open
5
Normally closed
Hysteresis and level
Hysteresis [% of measuring range]
ON
25% of
measuring
range
Level [% of measuring range]
OFF
500
1000
Start-up
After applying power to the sensor, it will take a few minutes before it
shows correct values.
Calibration
CO2RT-R / CO2RT-R-D are factory calibrated before delivery and do
not need to be calibrated at installation.
CO2RT-R / CO2RT-R-D are calibrated automatically, which means
that manual recalibration is not required during the lifetime of the
sensors.
EMC emission and immunity standards
This product conforms to the requirements of European EMC
standards CENELEC EN 61000-6-1 and EN 61000-6-3 and carries
the CE mark.
Contact
Systemair AB, 739 39 Skinnskatteberg, Sweden
Tel: +46 222 440 00, Fax: +46 222 440 99
www.systemair.com, mailbox@systemair.se
2000
ppm
1
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Manuels Connexes pour SystemAir S-CO2RT-R
Sommaire des Matières pour SystemAir S-CO2RT-R
- Page 1 ) concentration in indoor environments. Measuring range System neutral 24 V AC 0...2000ppm and relay output. Contact Common Systemair AB, 739 39 Skinnskatteberg, Sweden Technical data Normally open Tel: +46 222 440 00, Fax: +46 222 440 99 Measuring principle...
- Page 2 Kontakt genom att trycka in plasttungan i kåpans nedre gavel med en 3 mm Systemair AB, 739 39 Skinnskatteberg, Sweden bred mejsel (se pil i figuren), vrida mejseln och samtidigt dra locket Tel: +46 222 440 00, Fax: +46 222 440 99 lite utåt.
- Page 3 S-CO2RT-R / S-CO2RT-R-D indiquant l’emplacement de la languette sur la fig.1). Faire tourner le tour- Systemair AB, 739 39 Skinnskatteberg, Suède nevis en tirant légèrement le capot. Quand la partie inférieure du capot Tel: +46 222 440 00, Fax: +46 222 440 99 se détache, pousser le capot vers le haut pour libérer la partie supérieure...