Alarm response times: comply with BS EN 50291‑1:2018
Condition CO concentration Without alarm
before
With alarm
before
A 27±3 PPM 120 min --
B 55±5 PPM 60 min 90 min
C 110±10 PPM 10 min 40 min
D 330±30P MM -- 3 min
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.
Quit alarm condition: When CO concentration is below 40PPM,
alarm will terminate automatically.
Power indicator: Flashes about every 45 seconds.
Fault warning: When a fault occurs, fault warning will be given
within 3 minutes.
Suitable place: Domestic premises.
Product service life: 10 years.
1.2 Brief introduction of the product
1.2.1 Product structure
The structure of KD-218A/E is as follows:
1.2.2 Parts function
1) CO Alarm: The whole product.
2) LCD display: Show detector’s parameters.
3) Buzzer: Sounder of the detector.
4) Power indicator: Green light that is used for power indication.
5) Fault indicator: Yellow light that is used for fault indication.
6) Alarm indicator: Red light that is used for alarm indication.
7) Test button: For testing and alarm silence.
After 10 years’ lifetime, stop using the product for your
safety and scrap it according to local laws and regulations.
Figure 1
1: CO Alarm. 2: LCD display. 3: Buzzer.
4: Power indicator. 5: Fault indicator. 6: Alarm indicator.
7: Test button. 8: Sensor inlet. 9: Battery compartment.
10: Mounting hole. 11: Mounting plate.
12: Screw hole. 13: Buckle.
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