System Events System Operation
RP-1001 15150:F 05/24/2001 31
Indicating Circuit #1 will start sounding. In alarm condition, the piezo will generate a steady tone.
The piezo can be silenced by pressing the trouble silence switch. If the fire is extinguished before a
second zone alarm is activated, return the system to normal standby condition by pressing the reset
switch inside the panel and holding it for three seconds.
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When the first alarm occurs, the panel will function as described in “Single Zone in Alarm (Cross-
Zone) Condition”. In alarm condition, the piezo will generate a steady tone.
Upon the occurrence of a second alarm, the second alarm LED will illuminate, Indicating Circuit
#2 will energize, and the releasing circuit(s) will energize to activate releasing device(s).
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The power supply is designed to operate with a solid earth ground. Total power being provided to
the system’s power supply should not exceed the current draw during fully loaded panel operation.
Brownout circuitry annunciates degradation of the incoming AC voltage supply. A brownout
condition is annunciated when the AC power decreases. When the brownout threshold is reached,
the system reacts as if AC power is totally lost:
• Battery backup begins supplying power to operate the control panel
• General Trouble Relay contact transfers
• Green AC Power LED turns off
• Yellow System Trouble LED illuminates
• The piezo will sound one second on, one second off, and repeat until the Trouble is cleared.
When the AC voltage returns or increases above the brownout threshold, the green AC Power LED
will illuminate. The power supply circuitry will return to primary power functions and begin to
recharge the backup battery supply.
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