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
5
of
6
The same ground reference has to be used for the NSA-HH/CO2-R2 unit and for the control system!
Terminal
Function
Electrical Data
Remarks
Standard settings
VIN
COM
Power (+)
Power ground (-)
24 VAC/DC (+)
(+/-20%), 2W
24 VAC/DC (-)
System voltage reference
VOUT
4/20mA
Analogue output
1 (+)
Analogue output
2 (+)
0-5 VDC or
0-10 VDC
4 to 20mA
0-2000 ppm CO2
0-2000 ppm CO2
4.
Attach and secure cover
: There are two tabs on the top of the cover that fit into slots on the top of the wall plate.
Begin with the cover above the wall plate with the bottom of the cover angled out from the wall plate. Move the cover
down to seat the tabs and then push the bottom of the cover in to the wall plate. Rotate holding screws out from the
wall plate to secure the cover in place. The holding screws turn counter-clockwise to secure cover to wall plate, and
clockwise to remove cover from wall plate.
Figure 5
