3 How to Operate DELTA OP
User’s Guide '(/7$23 19
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A fire alarm system is in ILUHDODUP PRGH when the control panel indicates a
fire alarm situation reported from a monitor or detector connected to any loop
in the system; normally the alarms are caused by smoke, heat, manual
activation, etc.
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The ALARM indicator text is
illuminated, legible fire alarm
information in the display
Internal buzzer sounds
Fire alarm bells and control outputs
are activated — if assigned
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Locate the cause of the alarm — following the fire alarm
instructions of the premises — and, when the situation is under
control,
B F
Unlock '(/7$23 and, if necessary,
press the 6,/(1&($/$50key
(pressing the key again will reactivate the alarm and cancel pre-
programmed activation delays)
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Internal buzzer and fire alarm bells
are deactivated
@
Remove the cause of the fire alarm and,
F
Press the 5(6(7key for at least 2 seconds
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If you cannot get the system into QRUPDOPRGH of operation,
call the service engineer
l
Fire alarm system Is in QRUPDOPRGH
— only the green 3RZHU LED is ON
B
Lock '(/7$23 again
7HVW0RGH
A fire alarm system is in WHVW PRGH when one or several detectors, input or
output devices are being tested, while the rest of the system is completely
monitored. Several test facilities can be performed via the panel’s keypad.
However, fault, fire and pre-alarms — from detectors not in WHVW PRGH have
precedence over the WHVWPRGH facility and will be alarmed normally.
Following types of tests can be performed:
• Zone Test:
Allows ‘fire’ testing detectors in a zone
• Test of individual analogue detectors
Permits automatic testing of analogue values of individual detectors —
individually or all in a loop
• LED Test
Tests the front panel’s LED indicators and graphic display
• Test of alarm output circuits
Allows testing whether the system alarm output circuits are operative
5
These visual cues are NOT displayed in '(/7$23 but may help you interpret information easily.