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Zone number can be increased to 8 by zone doubling feature.
You make zone doubling by using 1k
Ω
and 2
kΩ resistors connected to zone as following picture. Zone doubling is enabled in Zone Wiring section of
Installer Program. Each physical zone can be used as 2 zone by zone doubling. Contact types(NC,NO) of
zones can be configured from their addresses. Zone doubling feature can’t be used together with zone
expansion module.