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GE
Measurement & Control
remaining light is measured and converted into an analog signal.
Installation Instructions
1. Before installing the sensor, note the direction of the airflow. Ensure
all mounting holes are sealed tightly.
2. Drill/cut one 1-1/2" hole and punch/drill two 1/8" holes for
mounting screws.
3. Slide the sensor into 1 ½" hole and secure with #10 sheet metal
screws.
4. Connect the conduit and make necessary wire connections.
5. Install lid, and ensure it snaps into place.
Figure 1: T8041 Installation
The T8041 and T8042 are CO
2
transmitters designed to be
installed in HVAC return air
ducts. The technology is based
on the absorption of light in a
gold-plated reflective light pipe
or waveguide diffusion gas
chamber. A gas permeable
PTFE filter prevents particulate
and water contamination of the
sensor. Light is absorbed in
proportion to the CO
2
concentration and the
Telaire Ventostat™ T8041/T8042
CO
Duct Mount Sensors
2
Figure 2: T8042 Installation
Figure 3: Wiring
User Instructions
T63103-005
October 2013
Page 1 of 2
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Summary of Contents for GE Telaire Ventostat T8041
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Page 1: Installation Instructions
Telaire Ventostat™ T8041/T8042 Duct Mount Sensors Measurement & Control User Instructions The T8041 and T8042 are CO transmitters designed to be installed in HVAC return air ducts. The technology is based on the absorption of light in a gold-plated reflective light pipe or waveguide diffusion gas chamber. -
Page 2: Specifications
<1% of full scale @ 22ºC (72ºF) Physical Requirements Pressure Dependence Dimensions: 0.13% of reading per mm of mercury Probe Length: T8041 4.09 in (10.38 cm) T8042 8.07 in (20.51 cm) Probe Diameter: 1.24 in (3.15 cm) *Calibration Junction Box Depth: 1.58 in (4.02 cm) Junction Box H x L: 3.05 in x 3.05 in (7.46 cm x 7.46 cm)