Model SK-5208 Fire Control/Communicator Installation and Operation Manual
3-16 P/N 151204
3.11.3 Four-Wire Smoke Detector Connection
Figure 3-7 illustrates how UL listed four-wire smoke detectors must be connected to Class B
(Style B) zones.
When wiring a four-wire smoke detector to the Class B (Style B) zones, you must use a Power
Supervision Unit, such as Silent Knight’s 160150.
Note: Mount the PAM-2 and the end-of-line resistor at the last device on the circuit.
Figure 3-7 Four-Wire Smoke Detector Wiring
See Appendix A for a list of four-wire smoke detectors that may be used with the SK-5208.
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