FireClass Prescient III - Fire Signal; Zone 1; Zone 2; Aux Zone

EQUIPMENT: FIRECLASS Prescient III WRITTEN BY: RKP
PUBLICATION: OMFCPRES3IN CHECKED BY: AP
ISSUE No. & DATE: 0 02/02/12
PAGE 15 of 43
3.15 Display Board – General
The Display board is connected to the internal
control board via a 16-way ribbon cable and
polarised ribbon socket. A polarised 16-way header
is provided on the main control board at position J1.
The Display is divided into three windows for clarity.
User Controls are positioned in the central window,
with status LEDs in the left & right windows.
The left window displays the status of the Fire Alarm
section of the panel, as well as indications which
are common to both the Fire Alarm section and the
Extinguishing section. The right window is dedicated
to displaying the status of the Extinguishing section
of the panel. See Figure 5 for details.
Figure 5 – Display
FIRE STATUS
COMMON STATUS
USER CONTROLS
EXTINGUISHING STATUS
FIRE
FIRE SIGNAL
ZONE 1
ZONE 2
AUX ZONE
REMOTE SOUND ALARMS
REMOTE CONTROLS FAULT
FIRE SOUNDER FAULT/DISABLED
POWER SUPPLY ON
GENERAL FAULT
POWER SUPPLY FAULT
SYSTEM FAULT
EARTH FAULT
FUSE FAILED
FAULT SIGNAL FAULT/DISABLED
SOUNDER TEST
AUTO & MANUAL
MANUAL ONLY
MANUAL RELEASE ACTIVE
SYSTEM ACTIVATED
GAS RELEASED
GAS RELEASED SIGNAL ACTIVE
EMERGENCY ABORT ACTIVE
EMERGENCY HOLD ACTIVE
CIRCUIT FAULT
GAS LOW
GAS TRAPPED IN MANIFOLD
ISOLATION VALVE ABNORMAL
ISOLATION VALVE CLOSED
MANUAL RELEASE FAULT/DISABLED
EXTINGUISHING DISABLED
GAS RELEASED SIGNAL DISABLED
SHUTDOWN OUTPUTS DISABLED
SECONDS
TO
DISCHARGE
SILENCE
ALARMS
FIRE
RESET
SILENCE
BUZZER
SELECT
ON/OFF
SCROLL
OFF
ACCESS
CONTROLS
ON
TEST
DISABLE
ENABLE
AUTO & MAN/
MANUAL ONLY
EXTINGUISHING
SYSTEM RESET
(INHIBITED)
RESOUND
ALARMS
3.16 Display Board – Fire Status
Indications
3.16.1. FIRE
These two red LEDs are normally off, pulsing for a
fire alarm on zones 1, 2, or aux zone. The LEDs
are illuminated steady if the general sounders are
silenced during the fire alarm.
3.16.2. FIRE SIGNAL
The Fire Signal output status is displayed by two
LEDs.
The red LED is normally off, illuminating steady
when the Fire Signal output is active.
The yellow LED is normally off, pulsing for an
open or short circuit fault on the Fire Signal
output. The LED is illuminated steady if the Fire
Signal output is disabled.
3.16.3. ZONE 1
The Zone 1 input status is displayed by two LEDs.
The red LED is normally off, pulsing if a fire
condition is detected on zone 1, illuminating
steady when the alarm is accepted (by operation
of the Silence Alarms button).
The yellow LED is normally off, pulsing for an
open or short circuit fault on the Zone 1 input.
The LED is illuminated steady if the Zone 1 input
is disabled or selected to the Test mode.
3.16.4. ZONE 2
The Zone 2 input status is displayed by two LEDs.
The red LED is normally off, pulsing if a fire
condition is detected on zone 2, illuminating
steady when the alarm is accepted (by operation
of the Silence Alarms button).
The yellow LED is normally off, pulsing for an
open or short circuit fault on the Zone 2 input.
The LED is illuminated steady if the Zone 2 input
is disabled or selected to the Test mode.
3.16.5. AUX ZONE
The Aux Zone input status is displayed by two
LEDs.
The red LED is normally off, pulsing if a fire
condition is detected on the aux zone,
illuminating steady when the alarm is accepted
(by operation of the Silence Alarms button).
The yellow LED is normally off, pulsing for an
open or short circuit fault on the aux zone input.