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SKE-Series Voice Evacuation System Installation/Operation Manual
3.7.1.2
Class A (Style Z)
Figure 3-11 illustrates how to wire a Class A (Style Z) input circuit to CMD1 input.
If a trouble condition exists on
the SKE-450, the supervision
circuit is opened in addition to
energizing the trouble relay
causing a trouble at the FACP.
Figure 3-11 Class A (Style Z) CMD1 Input Circuit Configuration
3.7.2
CMD2 Input Circuit
This section describes how to connect a normally open alarm contact, such as a pull station, to
the CMD2 terminals on the SKE-450. See Figure 3-12. CMD 2 input rated for 24 VDC @ 3
mA.
If a trouble condition exists on the SKE-450, the trouble relay
will energize, which is used by the FACP.
3-14
15 kΩ EOL
UL Listed
Model 7630
Figure 3-12 CMD2 Alarm Contact Input Connections
firealarmresources.com
Supervised by FACP
Power Limited if NAC
outputs from FACP are
Power Limited
Supervised
Power Limited
151267
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