CO2 Room Sensor with Temperature
Installation and Operation
#NSA-HH/CO2-R2-CP-C, NSA-HH/CO2-R2O-CP-C, NSA-HH/CO2-R2SO-CP-C
– 11/14/2019
Specifications subject to change without notice.
Catalog No. 11-808-794-01
Page
3
of
6
Figure 2
Wiring and Mounting Instructions
The PCB must be handed carefully and protected from electrostatic discharge. The power supply has to be connected to
VIN and COM. COM is considered as system ground.
1.
Mount the wall plate
: Run the wires from the back of the wall plate and through the square wire hole in the PCB.
Mount the wall plate to the wall, being careful not to trap wires between the wall and the plate.
2.
Configure DIP switches
: The default setting is 0-10 VDC output (switch 1 on) and ABC on (switch 2 on). For 0-5 VDC
output set switch 1 to off. To turn off ABC set switch 2 to off. The 4-20 mA output can be used with switch 1 in the on
or off position.
Figure 3
