button and it will enter alarm silence condition. Alarm silence
condition is the same as alarm condition except the buzzer
doesn’t beep temporarily. The Alarm indicator still flashes.
Alarm silence condition lasts less than 10 minutes. Press the
TEST button in alarm silence condition, and it will recover alarm
condition immediately.
1.3.1.16 Low CO concentration warning
When CO concentration is greater than 30PPM for a duration of
more than 60 minutes, or when CO concentration is greater
than 40PPM for a duration of more than 40 minutes, low CO
concentration warning will be made every 3 to 5 minutes. The
low CO concentration warning is distinctly different from alarm
warning, please refer to Section 1.3.1.1.
1.3.1.17 Tes ti n g
When the detector is in normal operation, press the TEST
button and testing will be conducted. If the detector is in alarm
condition, it will enter alarm silence condition.
1.3.2 Power-up
This product has battery compartment with red battery pin. Use
3 replaceable AA LR6 alkaline batteries.
The detector will be powered on after 3 AA LR6 batteries are
installed.
Press the red battery pin and install the batteries according to
the polarity marks in the battery compartment.
If the power-up prompt complies with contents of Section 1.3.1,
it means the buzzer and indicator lights are working normally.
The detector will enter normal operation within 20 to 30
seconds after power-up.
The detector must be powered on in clean air without carbon
monoxide. Otherwise, alarm warning may be given
immediately.
1.4 Operating characteristic
1.4.1 Normal operation
The detector will enter normal operation within 20 to 30
seconds after power-up. The Power indicator flashes every 45
seconds. When there is CO in the air, the Power indicator
flashed every 30 seconds. The Fault indicator and Alarm
indicator are off.
1.4.2 Alarm condition
The alarm response time of the detector complies with EN
50291. The alarm won’t stop until CO concentration is lower
than 40PPM. Put the detector in clean air, the alarm will
terminate automatically in 6 minutes, or you can quit alarm
condition by pressing and holding the TEST button for 1 to 3
seconds.
Warning:
The detector must be powered on in clean air without
carbon monoxide. Otherwise, alarm warning may be given
Important:
When you hear successive beeps, it means high
concentration of CO. You and all the personnel shall leave
the dangerous site at once and seek help.
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