Honeywell ACM 150 Manual To Installation, Operation, And Maintenance page 50

ACM 150
Exhaust
The ACM 150 monitor exhausts the air it samples through an exhaust pipe located on
the top. Connect this to an exhaust duct with no flow restriction that is compatible
with the types of gases monitored by the ACM 150 monitor. The requirements are:
Flow Rate
Connection
Figure 25. Nitrogen, CDA and exhaust connections
1. Exhaust Pipe
2. Nitrogen
3. Air (CDA)
NOTE
Vent the monitor's exhaust properly in accordance with site or legislated
safety policies governing the gases being monitored, workplace safety, and
environmental requirements
12 scfm (340 lpm)
1-1/2 inch male pipe thread (per
50
Figure 25)