Dedicated
L864
Active Compensated Stairwell Pressurization Controller
UL864
Listed to MORE INFO
FSCS I/O
7” Color
Touchscreen The ACSP Active Compensated Stairwell Pressurization System from LFSystems changes how you control stairwell pressure. The L864 is designed to maintain a positive pressure in a high-rise building stairwell in the event of a fire. The L864 compares pressures in multiple zones and controls a listed stairwell pressurization fan as well as a relief damper to maintain the user determined range. The ACSP is designed to handle up to 12 floors on a single controller.