![background image](http://html1.mh-extra.com/html/plumis/automist-series/automist-series_technical-manual_1568683025.webp)
Page 25 of 27
4.0
FED Heat
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Time (mins)
8m x 4m x 2.5m Open
Room FED Heat -
when it reaches 1.0
it is assumed that
an occupant will
be incapacitated
due to pain. Third
degree burns are
predicted at an FED
of approximately 3.0
control
automist @ 5m
automist @ 8m
0.0
5.0
10.0
15.0
20.0
25.0
30.0
4.0
FED Asphyxia
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Time (mins)
control
automist @ 5m
automist @ 8m
8m x 4m x 2.5m Open
Room FED Asphyxia
- loss of consciousness
is expected when the
FED of asphyxiant
gases (FEDAG)
reaches 1 while
death is expected
at an FEDAG of
approximately 2-3.
0.0
5.0
10.0
15.0
20.0
25.0
30.0
These graphs detail the same open room tests but at the lower height of 0.6 m and reiterate the results
shown on the previous page. In open plan spaces it is important to locate Automist as centrally as possible,
and limit openings to increase its effectiveness to limit fire growth.