Figure 1 8 Zone Sirius II Fire Alarm Panel 3
Figure 2 Sirius II Display Panel 4
Figure 3 Access Level 2 Menu Structure 9
Figure 4 External Connections 14
Figure 5 Electrical Connections With Battery 15
LIST OF TABLES
Table 1 Access Levels 5
Table 2 Internal Links 7
1.5 EN54 Optional Functions With Requirements 7
1.6 Ancillary Functions Not Required By EN54 7
1.7 Internal Links 7
TM0110 Page 2 of 22 Issue 1.00
CHAPTER 1
DESCRIPTION
1.1 GENERAL DESCRIPTION
Sirius II is a conventional fire alarm control panel designed to EN54 Parts 2 & 4. The Sirius II range
comprises 2, 4 and 8 zone versions. An 8 zone panel is shown in Figure 1.
The panel is housed in a metal enclosure and contains a main motherboard which is provided with a
DC supply from a power supply unit (PSU). The PSU is powered from AC mains and two 12 V, 7 Ah
lead acid batteries (wired in series) are used for the secondary supply source if the mains supply fails.
Each zone provided by the panel is monitored for faults. The panel provides two standard
conventional alarm circuits.
The display panel provides the visual indications and user controls.
Figure 1: 8 Zone Sirius II Fire Alarm Panel
TM0110 Page 3 of 22 Issue 1.00
1.2 DISPLAY PANEL
All indications and controls are available via the Sirius II display panel (Figure 2). This incorporates a
two line by 16 character liquid crystal display with back light and this indicates panel fire and fault
conditions and user and engineer menus when accessed.
Figure 2: Sirius II Display Panel
1.3 INDICATORS
The following indicators are provided on the panel display:
POWER ON The green POWER ON light comes on if primary power (AC mains) or
secondary power (batteries) provide power to the panel.
POWER FAULT The yellow POWER FAULT light flashes 1 second on 1 second off if a
fault occurs with the panel internal mains or battery power supply.
SYSTEM FAULT The yellow SYSTEM FAULT light comes on if the panel has a system fault
condition (software or hardware).
GENERAL FAULT The yellow COMMON FAULT light flashes 1 second on 1 second off if any
panel fault condition occurs.
SOUNDER STATUS The yellow SOUNDER STATUS light flashes 1 second on 1 second off if
an alarm circuit fault occurs. If the alarm circuits have been disabled, this
light will be steady on.
FIRE OUTPUT STATUS The yellow FIRE OUTPUT STATUS light flashes 1 second on 1 second
off if a fault occurs on the fire output or will be steady on if the fire output
is disabled.
OUTPUT DELAYS The yellow OUTPUT DELAYS light flashes 1 second on 1 second off
when panel alarm circuits and fire outputs are active but delayed in
operation, remains steady when output delays are enabled and goes off if
delays are disabled.
TM0110 Page 4 of 22 Issue 1.00
FIRE ALARM The red FIRE ALARM light comes on when any zone is in a fire alarm
condition. This light flashes 1 second on 1 second off when a new zone
fire alarm event occurs and is constant when accepted by operation of the
silence/resound sounders switch. Operation of the panel reset switch
turns this light off only if the alarm condition is removed.
FIRE OUTPUT The red FIRE OUTPUT light comes on when the monitored and non
monitored fire outputs are active.
GENERAL DISABLE The yellow GENERAL DISABLE light comes on if any zone monitoring
circuit, alarm circuit, fire output or output delays are disabled.
GENERAL TEST The yellow GENERAL TEST light comes on if the panel has one or more
zones in test mode.
MORE MESSAGES The yellow MORE MESSAGES light comes on if there are more than 2
messages available on the display.
ZONE FIRE The red ZONE fire light comes on if there is a fire on a specific zone.
ZONE FAULT The yellow ZONE fault light flashes 1 second on 1 second off on a zone
fault condition, flashes 0.5 second on, 0.5 second off if a zone is in test or
is steady on if a zone is disabled.
PANEL ACCESS The yellow PANEL ACCESS light comes on if the panel is in access level
2 and flashes 1 second on 1 second of when the panel is in access level
3.
1.4 CONTROLS
The four access levels to the panel’s controls are shown in Table 1.
Access Level Operating Level PANEL ACCESS Light Time Out Pass Code
1 Normal operation Off N/A N/A
2 User On constantly N/A 7179
3 Engineer Flashing (1 second on/off) 30 seconds 7134
4 Engineer (counter clear) Flashing (1 second on/off) N/A N/A
Table 1: Access Levels
Access Level 1 is the normal operating condition, where, with no zones disabled, the green POWER
ON light is on and all other lights are off. The TEST button, which is used to test all of the lights in the
panel display, is operative. The SILENCE BUZZER button is active, but only for faults and not for
alarm conditions. All other controls are inoperative and are only available in Access Level 2.
The panel control switches sound the panel internal buzzer when operated. If any of these switches
are operated for more than 10 seconds or are stuck in the on position, the panel indicates a fault
condition, SYSTEM FAULT light flashes 1 second on 1 second off, the internal panel buzzer sounds
intermittently and the fault output is active.
TM0110 Page 5 of 22 Issue 1.00
The following controls are available in Access Level 2:
SILENCE / RESOUND
ALARMS
RESET If the panel has standing faults on the display, operation of the RESET
SILENCE BUZZER If there is an alarm, panel access must be enabled for operation of this
SCROLL Operation of the SCROLL switch when more than 2 panel events are active,
If the panel has a zone fire state, operation of the SILENCE / RESOUND
ALARMS switch silences all alarm devices, ALARM and ZONE fire lights
stop flashing and stay on constantly and the buzzer sounds intermittently. If
a new zone alarm condition occurs, the fire state conditions are re-enabled.
Repeat operations of the switch toggles the panel between re-sounding and
silencing of the external alarms and the panel buzzer.
switch clears these faults. If the panel has any standing alarm conditions,
the SILENCE RESOUND ALARMS switch MUST be operated first to enable
the RESET switch. System reset forces the panel into a quiescent state. If
standing panel alarms or faults remain, after a short delay they will be reenabled.
NOTE: After operation of the RESET switch the panel has a delay of
about 5 seconds before any other switch can be activated (except test
lamps).
switch. If the panel internal buzzer is sounding, operation of the SILENCE
BUZZER switch silences the panel buzzer. Any new event resounds the
buzzer and operation of the switch is again required to silence it.
updates line 1 of the display with the next event in the queue. Line 1 reverts
back to the first panel event if this switch is not pressed within 10 seconds.
TEST This switch is always active. Operation of the switch makes all display lights
come on and also sounds the panel buzzer continuously.
MENU Operation of the MENU switch allows the user to select panel operator
functions and engineer functions. To enable panel engineer functions the
user must initially enter the 4 digit engineer code (refer to Table 1).
ENTER The ENTER switch is used to accept user and engineer function
configuration changes.
ACCESS The ACCESS switch allows the operator to input the 4 digit code to allow
panel access. When the panel is accessed the PANEL ACCESS light
comes on, all key switches are enabled and operator access functions can
be selected.
PANEL EDITING
SWITCHES
When the operator selects an access function or engineer function, several
operator switches can be used for editing:
• The MORE MESSAGES switch is also used for switch 1 and switch UP.
• The TEST DISPLAY switch is also used for switch 2 and switch DOWN.
• The MENU switch is also used for switch 3 and switch LEFT.
• The ENTER switch is also used for switch 4 and switch RIGHT.
• The ACCESS switch is also used for switch 5 and switch EXIT.
TM0110 Page 6 of 22 Issue 1.00
1.5 EN 54 OPTIONAL FUNCTIONS WITH REQUIREMENTS
The panel has the following optional functions:
• Output to fire alarm devices.
• Output to fire alarm routing equipment.
• Delays to outputs.
• Coincidence detection.
• Alarm counter.
• Test condition.
• Two sounder circuits.
1.6 ANCILLARY FUNCTIONS NOT REQUIRED BY EN54
• Auxiliary change over contacts:
- One change over contact operating on any fire condition.
- One change over contact operating on any fault condition.
• One auxiliary power supply output.
• One monitored remote input for sounder circuit test.
• Total loss of the power supply.
1.7 INTERNAL LINKS
The internal links are shown in Table 2.
Link Ref. Function Option
LK1 Earth fault monitoring. With the link made, the panel provides monitoring
for earth faults on external wiring.
LK2 Disable internal buzzer. Removing the link disables the internal buzzer.
LK3 Repeater end of line resistor. The link should be made if the panel is to be
connected to repeaters. The link is not fitted on 2
zone panels.
LK4 Option cards end of line resistor. The link should be made if any of the option cards
are to be installed in the panel. The link is not
fitted on 2 zone panels.
CN3 Alarm counter clear Temporarily making this link clears the alarm
counter to zero.
Table 2: Internal Links
TM0110 Page 7 of 22 Issue 1.00
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