User Manual
Dokument 
IMA 212 
Rev 
1 
Page 
1 (4)
Installation manual 
CF3-W-US-Disp-FLI 
CO
2
 transmitter and alarm 
CF3-W-US-Disp-FLI 
General 
The alarm product CF3-W-US-Disp-FLI is designed to measure carbon dioxide (CO
2
) 
in rooms. Option - Disp displays the measured CO
2
 value in ppm (parts-per-million) 
on the LCD. LEDs are lit to give an overview of the CO
2
 value. 
An acoustic alarm sounds when the CO
2
 value is above 1400ppm. The acoustic 
alarm can be silenced with a push button on the side of the instrument. 
The units are designed for connecting to Direct Digital Control (DDC) with 0-10V 
signal inputs.  
To open the wall mounted housing 
Figure 1. Closed housing seen from the top and the side. The housing is opened by inserting 
a screw driver and pushing to the front side of the housing. The locking hooks will then be 
released. 
Front
Wall
Insert screw driver 
Push upwards to open
Front
Wall




