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Owner's manual
Before you begin: remove the alarm to a remote location to prevent possible
damage to or contamination of the sensor. you may wish to unplug the alarm
and store in a plastic bag during the project.
The following is a list of substances that at high levels can affect the sensor
and cause temporary reading on the digital display that are not carbon
monoxide readings: Methane, propane, iso-butane, ethylene, ethanol,
alcohol, iso-propanol, benzene, toluene, ethyl acetate, hydrogen, hydrogen
sulfide, sulfur dioxides. Also most aerosol sprays, alcohol based products,
paints, thinner, solvents, adhesives, aftershaves perfumes, auto exhaust
and some cleaning agents.
8.OPERATURE OF THE ALARM
(a) normal operation: if the unit in the normal operation the only the green
all the time.
(b) Alarm status: when the unit detects dangerous level of CO gas , it will
give the alarm
signal continuously. The red led light will flash and the unit will give 3 briefly
every 5 seconds. the alarm pattern is 3 short beeps-followed by 2 seconds
of silence.
(c) Hush status: if requires, you can press the test/hush button to quickly
silent unwanted alarm. Then the unit will be reenergized about 5minutes
from the time the button is pressed if the concentration of carbon monoxide
surrounding the alarm remain at 40ppm or greater.
(d) Fault status: when the unit tests any fault of itself, such as sensor fault,
the yellow LED light will flash twice every 60 seconds, if this occurs, DO
NOT use this alarm. The unit needs to be serviced or replaced. Send the
malfunctioning unit to the manufacture for service.
9.SPECIFICATIONS:
- Gas detected: carbon monoxide
- Detect principle: electro-chemical cell
- Power supply: AC230V/50HZ
- Audible alarm: 85db/3M
- Operating 40°F (4.4°C)to100°F (37.8 °C)
- Humidity range: 15-90(%RH)
EN
- Dimensions: 104*70*55mm
CARBON MONOXIDE RESPONSE TIMES
This carbon monoxide alarm meets requirements of EN standard 50291 as
follows:
- 50ppm Alarm within 60-90 minutes
- 100ppm Alarm within 10-40 minutes
- 300ppm Alarm within 3 minutes
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