Zircon EN54, Руководство по установке и настройке

Страница: 32 / 41

997-532-000-1, Issue 1
March 2006 28
EN54 & ISO 7240 2-8 Zone Conventional Fire Panel - Installation & Configuration Manual
7.5.2 Alarm or Short-circuit Operation
The panel can be configured to respond to a short-circuit
input on a zone as a fire or fault condition. The default is
fault indication.
Caution: You will contravene the requirements of
EN54-2 if you configure short-circuit as a fire
condition. For guidance, refer to appropriate
local fire standards.
7.5.3 Auto/ Manual Zones
The panel has the following factory-configured default:
a. Odd-numbered zones - manual zone, i.e. no delay to
activation of outputs, used with MCPs. Manual zones
will always cause immediate entry into the Fire state.
b. Even-numbered zones - auto. detection, i.e. if
configured for day-time delay strategy, outputs will
be delayed as per the delay strategy.
Note: If no delay strategy is being used (default panel
setting) this operation has no effect.
Any zone can be configured as manual or auto action.
7.5.4 Coincidence Detection
The panel will, by default, indicate a fire condition when
a single device on a single zone goes into alarm.
The panel can be configured so that to enter a full fire
condition, two zones must be in the fire state.
Coincidence detection is only supported for pairs of zones,
i.e. zone 1 concident with 2, zone 3 coincident with 4,
etc. When configured, upon the first zone going into fire
the respective zonal fire indicator illuminates, the panel
enters the alert state but the general fire LED does not
light.
Note: Zone pairs set for coincidence detection are forced
to function as auto zones.
On the second fire alarm zone the standard fire sequence
will be followed for both input zones.
7.5.5 Sprinkler Verification Time
A 2 sec. verification time is applied to all inputs to reduce
the occurrence of false indications of alarm due to transient
phenomena. When monitoring an input from a sprinkler
system it may be necessary to configure a sprinkler
verification delay. This is an exceptional situation and will
require the approval of a fire officer.
7.5.6 EOL Device Type
Use this option to change the default EOL device type
from a capacitor to a resistor when the panel is used for
retrofit installations.
Note: Failure to do this on retrofit installations may cause
the panel to enter the Fire state, with consequent
operation of the sounders.
EN54-2 : 8.2.4a) &
ISO 7240-2 : 9.2.4a)
The panel must indicate
a fault condition for a
short circuit.
!
EN54
ISO 7240
!
EN54
ISO 7240
EN54-2 : 7.1.3 &
ISO 7240-2
The panel must respond
to an input within 10
secs.
!
EN54
ISO 7240
!
EN54
ISO 7240