Specifications

Model SK-4224 Fire Control Panel Installation/Operation Manual
4-6 151068
4.3.5 Notification Circuit Installation
Notification appliances used with the SK-4224 must be UL listed for compatibility with the
SK-4224. Refer to the list in the Appendix at the end of this manual for a list of compatible
devices.
For proper operation, you must use polarized notification devices with a model 7628 4.7k
ohm end-of-line (EOL) resistor on each loop. Select ANSI output pattern, if desired. Output is
configured as steady (continuous sound) at the factory. See Section 6 for information on
changing the pattern.
Figure 4-7 Notification Circuit Installation