Model SK-5208 Fire Control/Communicator Installation and Operation Manual
3-18 P/N 151204
3.12 Supervised Notification Appliance Outputs
Note: To reduce the possibility of false alarms and transient damage, DO NOT bundle telephone wires together
with notification circuit wires.
The SK-5208 provides four Class B (Style Y) supervised notification circuit outputs to
annunciate alarm conditions. For proper operation, you must use polarized sounding devices
with a 4.7k ohm end-of-line resistor on each circuit. Figure 3-9 shows how to connect the
notification circuits to the SK-5208.
Figure 3-9 Supervised Notification Appliance Wiring
3 Amp maximum current draw from any single NAC output (not to exceed a total current
draw of 6 amps for the control panel). See Appendix A for a list of the UL notification
appliances that can be used with the SK-5208. Contact Silent Knight if you have any
questions about compatible notification circuits.
All circuit are regulated unless used for releasing service in which case they are considered
special applications. See Section 5.5 for details on releasing.
Supervised
Power Limited
4.7 kΩ
UL Listed EOL
Model 7628
3 Amps Max. per circuit full
wave rectified, 27.5 VDC, 1.5
Ohms Maximum.
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