Co2 Sensor - Carrier SPS Installation Manual

CO2 sensor

Part #33ZCSENCO2
Wall-mount or duct-mount
Duct installation requires an Aspirator Box (Part #33ZCASPCO2) to house the CO
A CO sensor monitors carbon dioxide levels. As CO
2
dampers to increase ventilation and improve indoor air quality.
5.25 in.
(13.3 cm)
The figure below shows ventilation rates for various CO
350 ppm is used.
80
60
40
20
0
500 700 900 1 100 1300 1500 1700 1900 2100 2300 2500
NOTES
•
The sensor has a 4–20 mA output that is converted to 0–5 Vdc by a 250 Ohm, 1/4 watt, 2% tolerance
resistor connected across the zone controller's CO
• Do not use a relative humidity sensor and CO
Carrier Sensors
3.25 in.
(8.3 cm)
20 CFM/person
CO 2 Concentration (PPM)
levels increase, the controller adjusts the outside air
2
5 in.
0.25 in.
(0.6 cm)
1.125 in.
(2.9 cm)
Side view
setpoints when outside air with a typical CO
2
5 CFM/person
input terminals.
2
sensor on the same zone controller.
2
CO2 sensor
sensor.
2
level of
2
29