PRO-2000 Installation and Operation Manual
79
To Acknowledge a Single New Off-Normal Condition
• Insert the key into the Control Key switch and turn to activate. The Controls Enabled indicator illuminates.
• Depress and release the Acknowledge push button. The following events occur:
• The off-normal indicators stop flashing and remain on.
• The buzzer stops beeping.
• LCD updates. For example, in the case of an alarm:
Alarm #1, Protected Area Name (user defined), HH:MM:SS
Alarm #1, Protected Area Name (user defined), HH:MM:SS
To Reset a Single Acknowledged Off-Normal Condition
AFTER INVESTIGATING THE OFF-NORMAL CONDITION and no hazardous condition has been found:
Activate the Control Key switch, depress and release the Reset push button to verify if the off-normal condition has cleared. If the
off-normal condition is still active, nothing happens. Otherwise, the following events occur:
• The Off-Normal indicators start flashing slowly.
• The buzzer starts beeping slowly.
• The LCD updates. For example, in the case of an alarm:
Alarm <CLR>, HH:MM:SS
Protected Area Name (user defined)
The time field reflects the time at which the off-normal was cleared.
To Acknowledge a Single Cleared Off-Normal Condition
Activate the Control Key switch, depress and release the Acknowledge push button. This causes the following events to occur:
• The Off-Normal indicators go off.
• The buzzer silences.
• The PRO-2000 resumes its normal operating mode and the LCD updates.
All systems Normal
HH:MM AAAA:MM:DD
• Turn and remove the key from the Control Key switch.
Multiple Mixed conditions
The PRO-2000 responds according to a fixed system of priority when mixed conditions are resident in the system. When displaying
a single acknowledged trouble on the LCD and a single new alarm occurs by the system, the following events occur:
1. Before the new alarm registers the acknowledged Trouble appears in the LCD:
• The Trouble indicator is steady on.
• The LCD displays the following:
Trouble #1, Protected Area Name (user defined), HH:MM:SS
Trouble #1, Protected Area Name (user defined), HH:MM:SS
The Dual Event Mode is the default mode.
When selecting an Event List the LCD switches to the Single Event Mode for a period of five minutes.
2. When the alarm signal comes in:
• The Alarm indicators start flashing rapidly.
• The buzzer starts beeping rapidly.
• The LCD updates.
Alarm #1 of 1 <NEW> HH:MM:SS
Protected Area Name (user defined)
3. Acknowledge the new single alarm. Activate the Control Key switch, depress and release the Acknowledge push button.
This causes the following events to occur:
• The Alarm indicators steady.
• The buzzer stops.
• The LCD updates.
Alarm <ACK> HH:MM:SS
Protected Area Name (user defined)
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