EQUIPMENT: FIRECLASS PRECEPT EN
PUBLICATION: FIRECLASS PREC EN INST
ISSUE No. & DATE: 3 13/09/18
PAGE 24 of 30
SW 1/5 - Config I/S Zones:
o OFF: Configuration mode disabled.
o ON: Enables selected zones to be configured
to Intrinsically Safe alarm thresholds and
passive end of line fault monitoring via the
Engineer’s Select feature. [For use with
appropriate I.S. barriers/Isolators, typically 330
Ohm zener barriers or galvanic isolators].
[Not EN54 compliant function.]
SW 1/6 - Config M/S Zones:
o OFF: Configuration mode disabled.
o ON: Enables selected zones to be configured
to short circuit fire mode via the Engineer’s
Select feature.
SW 1/7 - Config Delay Zones:
o OFF: Configuration mode disabled.
o ON: Enables selected zones to be configured
to Delay Mode via the Engineer’s Select
feature.
SW 1/8 - Configure Delay O/Ps:
o OFF: Configuration mode disabled.
o ON: Enables the selection of outputs, via the
Engineer’s Select feature, to which the panel
delay will apply.
SW 1/9 - 2 Stage Delay:
o OFF: Single Stage Delay Mode.
o ON: Two Stage Delay Mode.
SW 1/10 - Alarms on Evac Only:
o OFF: Sounders operate on any fire condition
including evacuate.
o ON: Selects sounders to operate only when
the panel is in the evacuate condition.
Not EN54 complaint function.
SW 2/1 - Silence Before Reset:
Select type of reset mode. [Not EN54 compliant
function. Provided to meet existing customer
requirements]:
o OFF: Reset available when panel is in the [un-
silenced] fire or fault condition.
o ON: Fire Condition Reset available only when
panel is in Alarm Silenced condition. Fault
reset available when panel is in the fault
condition.
SW 2/2 to 2/5 - Delay/Minutes:
Sets the duration of the variable time delay element
[i.e. the single stage delay and stage 2 of the two
stage delay] in steps of 1 minute within the range 0-
9 minutes. See Table 1 – Motherboard Delay
Switch Settings
Table 1 – Motherboard Delay Switch Settings
SW 2/6 - Enable Zonal Alarms:
Select the type of sounder alarm response to a
fire condition in conjunction with the Pulse Non
Alarm Zones switch described below. [Not EN54
compliant function. Provided to meet existing
customer requirements]:
o OFF: General Alarm Mode - all sounders
operate continuously until silenced.
o ON: Zonal Sounder Mode - Sounder groups for
zones not in the alarm condition may be
selected, via the Pulse Non Alarm Zones
switch [SW 2/7], to pulse or not to operate.
Note: Zonal alarms on the 2/4 zone panel affects
the standard sounder circuits on the motherboard.
On the 8, 16 and 32 zone panels, it affects only
the [future] expansion module sounder circuits.
SW 2/7- Pulse Non Alarm Zones:
Select the type of zonal sounder alarm response
to a fire condition in conjunction with the Zone
Alarms switch [SW 2/6] described above. [Not
EN54 compliant function. Provided to meet
existing customer requirements]:
With the Zone Alarms switch [SW 2/6] in the On
position [Zonal Sounder Mode]:
o SW2/7 OFF: Zonal sounders for zone in the
fire condition operate continuously until
silenced. All others are silent.
o SW2/7 ON: Zonal sounders operate
continuously - all other sounders operate in
pulsed mode until silenced.