Specifications
Model SK-2224 Fire Control Panel Installation/Operation Manual
4-4 151051
4.3.3 Four-Wire Smoke Detector
Figure 4-5 shows how to connect four-wire smoke detectors to the SK-2224 loops. The figure
uses Silent Knight's SLK-24F with HSC-4R base as an example. You can use any UL listed
device listed in Appendix A. Information on selecting zone configuration options is in
Section 5.
Figure 4-5 Four-Wire Smoke Detector Wiring