Event Priority; System Control; System Override - Honeywell Farenhyt IFP-2000 Manual

Analog/ addressable fire system, emergency communication system
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151430-L8
A phone number can be up to 40 digits long and can contain the following special characters.
#
Pound (or number) key on the telephone
*
Star key on the telephone
,
Comma (character for 2-second pause)
Use the number buttons on the annunciator or the up- and down-arrow keys to select special characters. Special
characters begin displaying after "9".
4.
You will be prompted to enter an account number. If the account number you want to use is already dis-
played, just press ENTER to begin communication.
If the account number displayed is not the correct one, enter the account number and press ENTER to begin
communication.
5.
The panel will attempt to communicate with the computer. If communication was established, the upload
task you created will be placed in the SKSS-2 job queue, awaiting processing. When processing is com-
pleted, an "Unsolicited Upload" task will appear in the queue.

10.5 Event Priority

This section goes over how event activations are handled by the control panel with regards to priority.
10.5.1

System Control

The IFP-2000ECS control panel integrates both a fire and emergency system into one. When events are active
from both systems the control panel makes intelligent decisions to determine which system should be controlling
outputs. This is called System Control. This manual will refer to the fire or emergency systems having System
Control, this means that the system has an active alarm or supervisory event that has a higher event priority than
an active alarm or supervisory event from the other system. For this consideration, the control panel looks at the
highest priority event active on each system. When both systems are active, the system with control will activate
System Override. System Override is activated on the lower priority, non-System Control panel system (fire or
emergency system.)
10.5.2

System Override

System Override temporarily disengages output group activations from the system being overridden. This is
done to not provide conflicting messages and signaling and help with reducing confusion of the building
occupants.
When output groups are supposed to be active but are not because System Control has activated System
Override, they are re-activated every 30 seconds for 2-3 seconds to indicate to the building occupants that there is
still an event active. This will only occur when the system with System Control is not using the output group.
The System Override option is programmable for non-voice output groups on a per output group basis through
the panel output group programming menus and in SKSS-2. In these places the option is called Allow System
Override and defaults to YES. It is also possible to not reactivate the output groups every 30 seconds when
System Override is active on a per system basis. This option is programmable in SKSS-2.
There are times when you would not want to allow System Override for an output group. For example: fire is
programmed to an elevator relay to bring the elevator to the bottom floor for fire only. If fire and ECS are active
with ECS being the higher priority event, you still need the elevator to move to the bottom floor and only audible
and visual notification appliances must be overridden. In this case, the output group assigned to the relay would
be set to NO on the Allow System Override setting. See Section 9.4.1.2 to edit group properties.
10.5.3
Event Priority
Each event type (see Table 10-1) has a priority level assigned to it. When more than one event type is active, the
10-8
System Operation
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