Ei Electronics Ei207 Series Instructions For Use Manual page 10

Table B-2: CO Alarm Response - (version 2)
Red Light
(Pre Alarm)
CO Gas Level
Off*
0 < ppm < 10 ppm
Off*
10 < ppm < 30 ppm
30 < ppm < 43 ppm Off*
1 flash
43 < ppm < 80 ppm
every 2 secs
2 flashes
80 < ppm < 150 ppm
every 2 secs
4 flashes
> 150 ppm
every 2 secs
* unless it has alarmed previously (see CO Alarm Memory below)
ppm values shown in table are for example purposes only
9
Display Icon Display Icon
(before horn sounds) (after horn sounds)
Blank Blank
PPM level (flash) PPM level (flash)
on - 4 seconds, on - 4 seconds,
off - 12 seconds off - 12 seconds
PPM level PPM level
060 060
100 100
150 150
Sounder
(Alarm)
Off
Off
Off
on within 60-90 mins
(typ 72 mins)
on within 10-40 mins
(typ 18 mins)
on within 2 mins
(typ 40 secs)