Fig 20
Fig 20 shows that zone group 1 has 1 zone allocated up to 32 zones can be allocated to this group.
Fig 21
The double-knock ‘any zone 2 devices’ has been radically improved – in the previous version only
one zone was allowed in the assigned zone groups.
In this latest version the number allowed has been increased to 16 zone groups and 32 zones within a
zone group.
As a rule, two devices in the same zone satisfies the condition – but one device in 2 zones does not.
Alternatively, if NO zones are allocated in the right-hand box ALL zones on the system would require
2 devices in alarm to satisfy this condition.
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