Theory of operation
2-70
10070389 Rev. A
Puritan Bennett™ 700 Series Ventilator System Service Manual
Figure 2-58. Pneumatic diagram of gas delivery
Am
bie
n
t air
Hi
gh-pres
sure
o
xygen
Mi
xed gas
e
s
PEEP
/CPAP
pi
lo
t p
re
ss
u
re
P
inspirat
ion
L
o
w-pre
ssu
re
o
xygen
10/
1.
4 cmH
2
O
Exhalati
on
che
ck va
lve
10 cm
H
2
O
60
L/m
in
60 L/min
+
compen
sation
fl
o
w
6
0 L/
min
+
co
mp.
fl
o
w
E
x
ha
us
t p
o
rt
Air
Ox
yge
n
Ox
y
g
en
s
o
le
no
id
s
Ox
yge
n
Sa
fe
ty
O
xygen
Ou
tl
et
Cyl
inder
Pis
to
n
/cyl
inder
as
sy
In
le
t
M
o
tor/
Exh
a
la
ti
on
T
h
e
rmi
sto
r
Exhalati
on
Insp
ira
to
ry
To
p
a
ti
en
t
Exhal
a
ti
on
P
EEP
Je
t
F
ilt
er
PEE
P
chec
k
valv
e
sensor
re
gu
la
to
r
int
a
k
e
fil
te
r
Mi
chec
k
valv
e
regul
a
tor
press
u
re
trans
duce
r
encoder
sole
no
id
fi
lt
er
E
x
p
ira
tor
y
filt
er
Coll
e
ct
or
vial
p
re
ssur
e
tr
an
sduc
e
r
aut
o
ze
ro
solenoi
d
Exhalat
ion
pre
ssu
re
tr
ans
ducer
a
u
to
ze
ro
solenoi
d
re
se
rv
o
ir
ventur
i
valv
e
as
sy
H
e
at
er
as
sy
fl
ow s
e
n
sor
pump
valve
ma
nif
o
ld
O
x
yg
en
bleed
2 L/min
Ther
mi
st
or
P
R
ES
SURE SO
LEN
O
ID
P
C
B
33
± 5 psi
(227.46
±
34.48
kP
a)
O
xyg
en
fi
tti
ng
40-90
psi
(27
5
-620 kPa
)
7-
00132
R
e
stri
ct
or
Summary of Contents for Puritan Bennett 700 Series
Page 1: ...Service Manual Puritan Bennett 700 Series Ventilator Systems TM...
Page 439: ......
