What end-of-line resistor values does the Kidde FX-5 require for the IDC and NAC circuits?
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The Kidde FX-5 conventional fire alarm control panel requires a 4.7 kΩ end-of-line resistor (EOLR) for standard Initiating Device Circuits (IDCs) [1].
For IDCs configured as combination waterflow and supervisory zones, the panel requires two specific resistors: one 3.6 kΩ and one 1.1 kΩ [1].
While the provided manuals do not explicitly state the EOL value for the panel's on-board Notification Appliance Circuits (NACs), the related FX-NAC addressable module uses a 47 kΩ EOL resistor [1].