firedect QA23 User manual

Carbon Monoxide
Detector QA23
CO Detector
Date: 05.11.2015
Author: H. Naß

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CO Detector
Date: 05.11.2015
Carbon Monoxide is a colorless, odorless, tasteless, and highly toxic gas. It will reduce oxygen in the body´s
hemoglobin and can cause brain damage. Our QA23 is equipped with a precise and low power-consumption
sensor. With high efficiency microprocessor-based analysis, it can be set to trigger at different carbon
monoxide levels.
Advantages
•High luminous dual LEDs to indicate different status.
•Green LED to confirm the unit is operating normally.
•Each visible and audible warning has 4 modes to easily identify current status.
•Test button for alarm simulation.
•Dual power input: 12VDC and 24VDC operation in the same unit. No adjustment is required.
•Optional 110VAC or 220VAC adaptor is available
•Approvals:
Technical Drawing

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CO Detector
Date: 05.11.2015
Specifications
Model
QA23
Power Source
24V DC
12V DC
Alarm Current
1~25 mA
1~20 mA
Sensitivity
50 ppm : 60~90 min
100 ppm : 10~40 min
300 ppm : within 3 min
Warm-up Period
About 3 minutes
Alarm Sound
70db/3M and above
Indicator
Standby: Red LED flashes every 60 sec.
Early warning: Red LED flashes every 3 sec. and beeps every 3sec.
Alarm: Red LED flashes and beeps every sec.
Fault: Red LED flashes and beeps every 10 sec.
Ambient Temperature
-10 °C ~ +55 °C
Dimensions
102 mm (Dia.) × 40.5 mm (H)
Weight
About 150 g
Wiring method
Maintenance
This product does not need special maintenance. Self-tests should be performed regularly to ensure the
detector is operating normally.

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CO Detector
Date: 05.11.2015
Installation Instructions
Recommended Location of Detectors
•Install detector near or within each separate sleeping area. (for example: living room, bedroom,
corridor, basement, etc., at least 6 meters from heat source.)
•Ideal placement for indoor installation position is in a location where buzzer can be clearly heard.
Avoid these Locations
•QA23 should be away from any high-temperature heat source, within 4.6 meters and 1.5 meters
away from cooking appliance.
•Avoid installing the QA23 in garages, kitchens, or in any extremely dusty, humid, greasy, and dirty
locations.
•Should be kept away from children.
•Avoid installing the QA23 in the ceiling filled with stale air or near air vent and hanging fan.
•If you keep or use volatile chemicals in installation site, please store properly. Volatile chemical
gas may disturb the result of alarm detection. Dismantle the QA23 detector when doing the projects
like decoration or painting, but make sure to re-install and test when finished.

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CO Detector
Date: 05.11.2015
Mounting Detector
Remove/Affix
Wall Mount
Screw to ceiling/wall (attach to ceiling/wall)
Base is mounted on the ceiling/wall, detector is
fitted to the base
Lock (twist clockwise to lock)
Open (twist counterclockwise to open)

firedect GmbH
Leibnizstraße 4
72202 Nagold
D - Germany
T [phone] - 0
F [phone] - 9
E [email protected]
W www.firedect.de