Honeywell INTELLIKNIGHT 5820XL - Manual (Page 193)

System Operation
151209 8-19
8.7.2 Double Interlock Zone Releasing
A Double Interlock Zone uses a minimum of two Addressable detectors, a designated
manual release switch, and an interlock switch input. An interlock switch is typically a
dry-contact pressure switch and will be referred to as an interlock/pressure switch in
this document.
Conditions Required for a Pre-Alert Output Activation
If any single addressable detector is activated, the “Pre-Alert” output will activate.
This alerts the user that the initial stages required for a release condition are present.
(Also refer to Table 8-3.)
Conditions Required for a General Alarm Output Activation
If two addressable detectors, a manual release switch is activated, or an interlock
switch is active, the “Pre-Alert”, and “General Alarm” outputs will activate.
Conditions Required for a Release Output Activation
Any release requires the activation of an interlock switch, and either a manual release
switch or 2 activated addressable detectors. When these conditions are met, the
“Release” and “General Alarm” outputs will activate, and the “Alert” outputs will
Important!
Only addressable detectors can be used. No conventional detectors can
be used.
Each Single Interlock Zone input requires at least one manual release
switch.
Each Double Interlock Zone input requires at least one Interlock/pressure
switch