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This operation applies to Initiating Circuits configured as Monitor Circuits. The Circuit Trouble Indicator flashes at the Trouble Rate to indicate
circuit trouble (open circuit or Style D / Class A trouble) or if the Circuit is Disconnected. It is always turned off when the Circuit is active. The
circuit status indicator is turned on steady amber when the corresponding circuit is active. It will also come on fast flash while an active circuit
is being not bypassed.
Trouble-only Circuit Indicators:
This operation applies to Initiating Circuits configured as Trouble-Only Circuits. The Circuit Trouble Indicator flashes at the Trouble Rate to
indicate circuit trouble (open circuit or Style D / Class A trouble) or if the Circuit is Disconnected. The Circuit Status Indicator also flashes amber
at the Trouble Rate to indicate a short-circuit trouble.
Signal Circuit Indicators:
This operation applies to Indicating Circuits of any type. The Circuit Trouble Indicator flashes amber at the Trouble Rate to indicate short-circuit
or open-circuit trouble, or if the circuit is Disconnected.
Relay Circuit Indicators:
Relay Circuit Trouble Indicators flash amber at the Trouble Rate while the circuit is Disconnected.
9.4 CIRCUIT (ZONE) DISCONN ECT SW ITCHES:
Circ uit (Zone) D isconne ct Switches are provided for all Initiating, Indicating, and R elay Circu its on the Fire Alarm
Control Pan el. Fo r the firs t four Ind icating C ircu its on the Main Fire Alarm Module, the Disconnect Switches consist
of either a bank of DIP Switches, or Slide Switches in “S” Version Chassis’. For DIP Switches, numbers 1 to 8
correspond to the Circuits indicated in the Indicator column from top to bottom.
Changing a Circuit Disconnect Switch to the on position bypasses the associated Circuit and turns o n its Tro uble
Indic ator, also activating Comm on Trouble. While a Circuit is Disconnected, all changes in status (Alarms and Troubles)
on that C ircuit are ig nored . Disco nnec ted Indic ating C ircuits are not activ ated by the Pan el.
Disconnecting an active latching Initiating Circuit including Alarms, Water-flow Alarm, Sprinkler Alarm, General Alarm,
and Latching Su pervisory doe s no t affect its status until the Panel is reset. Disconnecting an active Non-Latching
Initiating Circuit including Non-Latching Supervisory, and Trouble-Only causes them to behave as if the alarm had gone
aw ay. D isconn ectin g an activ e Ind icating C ircu it imm edia tely d eac tivate s the Circ uit.
When an Initiating Circuit Disconnect Switch is returned to the normal state, the state of the Circuit is checked. If the
Circ uit is active, the Status Indicator flashes for 10 seconds at the Fast Rate without processing the input. If the Circu it
is no t re-D isconn ecte d by then , it will b e pro ces sed as a new inpu t.
These Disconnected Switches are also used during Con figuration Mode and Walk-Test as described in those sections.
9.5 SINGLE STAGE OPERATION:
In a Sing le Stag e Sy stem all Alarm inputs are treated in a similar manner. Alarm inputs include any of the following:
Non-Verified Alarm, Verified Alarm, Sprinkler Alarm, Water-flow Alarm, and General Alarm Circuits. Any of these Alarm
inputs occurring when the Panel is not already in Alarm cause the following:
The Buzzer sounds steadily
If Fire Drill is active, it is cancelled
The Common Alarm Indicator turns on
The Common Alarm Relay activates if Aux Disconnect is not active
The Auto Signal Silence Timer, if configured, starts
The Signal Silence Inhibit Timer, if configured, starts
All non-Disconnected Relays programmed to the input are activated provided that Aux Disconnect is not active
Non-Disconnected Strobes associated with the input are activated
Non-Disconnected Signals associated with the input are activated at the evacuation rate
Subsequent Alarms when the Panel is already in Alarm, cause the following:
The alert buzzer sounds steadily
If Signals have been silenced as a result of the Signal Silence button or the Auto Signal Silence Timer, Signals are resounded as they were
before Signal Silence, the Signal Silence Indicator is turned off, and the Auto Signal Silence Timer, if configured, is restarted
Any additional non-Disconnected Strobes associated with the input are activated continuously
Any additional non-Disconnected Signals associated with the new input are activated at the evacuation rate
9.6 TWO STAGE OPERATION:
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