FS20 Marine Fire Detection Control Panel
Siemens Industry, Inc. A6V10519176_enUS_b
Building Technologies Division
22.4.2 Rate Compensated
This type of thermal detector is similar to the fixed temperature detectors in
operation, but is compensated to eliminate the expected thermal lag and therefore,
responds faster.
22.5 Spacing
Maximum approved spacing of thermal detectors is as follow:
Maximum Are Protected Type (Square Feet) Distance from Sidewalls
Fixed Temperature (DT-11) 625 (25 –x-25) 12.5 feet
Fixed and Rate of Rise 2500 (50-x-50) 25 feet
DT-135 CS, CL, and WP Rate
Compensated
2500 (50-x-50) 25 feet
DR -200 CS, CL and WP Rate
Compensated
2500 (50-x-50) 25 feet