CO2 Sensors - Trane

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© 2010 American Standard All rights reserved
Product Data Sheet
CO2 Sensors
Part numbers: (Duct Mount) X13790423010, VACO2DUCT010, SEN01092
(Wall Mount) X13790422010, VACO2ZONE010, SEN01087
The maintenance-free carbon dioxide (CO2) sensor is primarily designed for return air based demandcontrolled ventilation applications. The exceptional stability and reliable performance comes from advanced
silicon-based Non-Dispersive InfraRed (NDIR) technology combined with Automatic Background Calibration
(ABC) and passive gas diffusion (no moving parts). The CO2 sensor is designed to operate from either a 24
Vac or 24 Vdc power supplied from the HVAC controller.
Features and Benefits
Features Benefits
High accuracy Reduced energy costs and improved environmental quality
0–2000 ppm range Effective control of CO2 levels for optimized energy efficiency and air quality
Multiple outputs (0–10VDC or 4–20 mA) Flexible for use with a wide range of Trane direct digital control (DDC) control
Automatic self-diagnostics Diagnostic tools are built-in for minimized troubleshooting expenses
Maintenance-free design Auto-calibration and reduced maintenance costs
Trane wall enclosure Consistent enclosure designs for improved aesthetics
March 2010 BAS-PRC024-EN
A business of American Standard Companies
For more information, contact your local Trane
office or e-mail us at
Literature Order Number BAS-PRC024-EN
Date March 2010
Supersedes October 2007
Trane has a policy of continuous product and product data improvement and reserves the right to
change design and specifications without notice.
Trane and the Trane logo are trademarks of American Standard in the United States and other countries. All
trademarks referenced in this document are the trademarks of their respective owners.
Wiring Schematic
Type Description
Duct mount 3.3 in x 1.8 in x 5.6 in (84 mm x 46 mm x 142 mm)
Wall mount 4.8 in x 2.9 in x 1.1 in (121 mm x 74 mm x 28 mm)
Probe length 8.00 in (203 mm)
CO2 range 0–2000 ppm CO2
Accuracy at 25°C ±30 ppm CO2 +3% of reading (includes repeatability)
Pressure dependence of output +1.6% of reading per kPa
Annual zero drift ±10 ppm
Recommended calibration interval None (auto-calibrated)
Response time < 3 minutes
Operating temperature From 32°F to 122°F (0°C to 50°C)
Storage temperature From -40°F to 158°F (-40°C to 70°C)
Humidity range 0–85% relative humidity (RH)
Airflow range 0–33 ft/s (0–10 m/s)
Output signals • OUT1 (V): 0–10 VDC
• OUT2 (I): 4–20 mA or 2–10 VDC (jumper controlled)
Note: Sensor is capable of both simultaneously
Resolution of analog outputs 2ppm CO2
Voltage: Rout < 100 Ω, RLoad > 5 kΩ
Recommended external load Current: RLoad > 500 Ω
Power supply Nominal 24 Vac or 24 Vdc
Power consumption < 1 watt average
Warm-up time < 1 min @full spec < 15 min
Housing material ABS (duct), polycarbonate/ABS blend (wall)
ControllerCO Sensor2
GND Shared
24 Vac
24 Vac or
24 Vdc

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