Silentknight SK-5208 Conventional FACP 10-30 Zone User Manual download pdf (Page 22)

Control Panel Installation 151204

3-12

Maximum circuit Resistance - 50 ohms

Maximum Total alarm current for all Class B (Style B) zones - 1 A

Maximum Standby Current per Zone:3.0 mA

Maximum Alarm Current per Zone:95 mA

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.

Supervised

Power Limited

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Silentknight SK-5208 Conventional FACP 10-30 Zone User Manual Page 22