Digital Monitoring Products Canadain XR500 Guía de instalación descargar pdf (Pagina 21)

XR500 Series Canadian Installation Guide Digital Monitoring Products

InstallatIon

Powered Zones for 2-Wire Smoke Detectors

11.1 Terminals 25–26 and 27–28

Panel terminals 25 through 28 provide two resettable Class B, Style A, 2-wire powered zones. For programming

purposes the zone numbers are 9 and 10.

Note:Themaximumwirelengthforeitherzone9orzone10is3000feetusing18AWGor1000feetusing22

AWG.Themaximumvoltageis14Vdcandthemaximumnormalstandbycurrentis1.25mADC.Themaximumline

impedance is 100 Ohms. The maximum short circuit current is 56mA.

Whenusingallotherzoneexpansionmodules,uselistedModel309EOLresistors.Thecompatibilityidentierforthe

zones is A.

Note: Do not mix detectors from different manufacturers on the same zone.

Caution: Performing a Sensor Reset momentarily drops power to the devices on Zones 9 and 10. The panel

views these zones (9 and 10) as “Open” while the power is absent.

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Digital Monitoring Products Canadain XR500 Guía de instalación Pagina 21