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Facp connections, Alarm relay, Trouble relay – SilentKnight SD505-ADHR Addressable Duct Housing w/Relay User Manual

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SD505-ADHR Duct Detector Housing With Relay Module & SD505-DTS Installation Instructions

P/N 151126

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Figure 4: Power Source Connections

FACP Connections

Follow these steps to properly connect the
SD505-ADHR to the FACP:
1. Turn power off and leave the detector head

off.

2. Wire the SD505-ADHR as show in Figure 5

or Figure 6.

Figure 5: Class B (Style 4)

Figure 6: Class A (Style 6)

Alarm Relay

The Alarm relay can be used to shut off a fan
motor of a HVAC system to prevent the transfer
of smoke. See Figure 7.

Figure 7: Fan Motor Shut-off Block Diagram

Trouble Relay

The trouble relay is a form C relay that activates
if the input power is lost.

Supervised

Power Limited

FACP

SD505-ADHR

Supervised

Power Limited

FACP

SD505-ADHR