
TABLE
그
PNEUMATIC
Gas
=
Gas
bb
whe
Flow
&
&
&
©
©
лю
Pressure
EG
a
BR
fo
ELECTRONIC
NI
O
Pressure
Oxygen
Da
MO
№
©
Alarm
2.3.1
2.3.2
2.3.3
2.4
Auto
2.5
Patient
2.6
+
2.7
Reference
2.8
Test
POWER
3.1
Power
3.2
Power
3.3
Load
CALIBRATION
4.1
Electronic
4.1.1
4.2
PNUEMATIC
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
5
6
6.1
6.2
6.2.1
TROUBLESHOOTING
PREVENTIVE
CLEANING
PREVENTATIVE
6.2.2
OF
CONTENTS
Inlet
Block
......
Blender...........
Nulling
Regulator..
Proportioning
Bypass
Meter
Block
Flow
Oxygen
Patient
Circuit
module
Assembiy......
Sub-Assembly
Meter
Cell
Over
Over Pressure
Measurement
Proximal
Proximal
Monitoring
Pressure
Pressure
Monitoring
15
Volt
System
Buzzer
Alarm
Oxygen
Dimming
Over
Points
....
…
Switch
Set Point
Feature
Pressure
Monitoring.....
Voltages.....
and Test
SUPPLY....
Supply
input
Resistors
Trouble
FLOW
PATIENT
CIRCUIT
OXYGEN
GAS
Tools/Equipment's
Preventive
Board.
Module..
.....
Calibration...
Shooting
TESTS.................
METER / CPAP
MIXER
and
SYSTEM..
Valve.
.
Pressure
Valve.
Valve..
.............
Port....
Transduce
SYSTEM........
...
(front
panel).....
Potentiometer.
.....................
Protection.
SoftWare
(TSW)
Tests..
TEST....
OVERPRESSURE
OVERPRESSURE
ANALYZER
TESTS
TEST
................
GUIDELINES
MAINTENANCE...
maintenance
MAINTENANCE.....
Maintenance
.........
required
Procedure
TEST
TEST...
...
for
..
maintenance
©
RDARDAARARWVWVWWWOVVUO
O
OODOUUGIUU
.
-16
-18
„18
18
.

1
PNEUMATIC
1.1.
GAS
INLET
The
ARABELLA
nominal
bar (30 - 70
contains a water
Operator's
of
1.2
The
bypass
the
gas
pressure
Manual
rear
panel.
GAS
BLENDER
blender
module.
PSI)
BLOCK
driver
is
equipped
of
3.45
bar
providing
trap
and
a 5
(Preventive
Two
3/16”
consists
SYSTEM
with
(50 PSI).
that
the
pressures
micron
maintenance
allen
head
of
three
modules.
two
The
filter
assembly
screws
gas
inlets
(DISS
unit
will
operate
are
within
1.38
which
schedule) . The
secure
They
the
gas
are the
fittings)
for
satisfactorily
bar
(20PSI)
needs
to
be
check
gas
inlet
block
block
to
the
nulling
regulator,
air
and
oxygen
with
inlet
of
one
as
recommended
is
located
ARABELLA
proportioning
sources
pressures
other.
The
at
the
driver.
valve
at
of 2 - 5
air
inlet
in
the
left
side
and
a
1.2.1
The
Nulling
nulling
regulators
accomplished
contamination
from
back
feeding
source
the
high
consistent
PSI)
1.2.2
The
knob
the
air
block
1.2.3
In
module
pressure
reed
pressures.
nulling
regulator.
pressure
gas
max.
Proportioning
proportioning
on
the
right
middle
and
oxygen
and
to
the
Bypass
the
event
of a pressure
will
perform 2 functions.
source
alarm.
This
Regulator
first
function
by
two
small
sintered
of
the
gas
sources
through
Equal
side
sources
Input
and
to
the
input
pressure
allowing
the
proportioning
Valve
valve
is
the
module
front
of
the
ARABELLA.
each
end ( like a football).
outputs
auxiliary
of
the
output
on
module
differential
to
be
delivered
audible
alarm
is
to
metal
with
two
gas
blender.
pressures
imbalances
the
lower
that
nulling
the
regulator.
bottom
of
One
will
out
of
the
will
notify
filter
filters
"duck
The
will
result
pressure
vaive
blends
This
knob
The
position
of
the
greater
be
to
patient
the
user
out
any
impurities
(5
micron).
bill”
valves.
last
function
in
equal
will
be
compensated
side
for
input
pressure
the
air
and
controls a small
of
this
This
blended
ARABELLA.
than
1.66
bar (24
bypass
port.
of a
gas
the
The
other
source
from
The
These
gas
orifice
oxygen . The
is
to
compensate
flow
duck
from
to
variations
metal
football
gas
is
proportions
then
PSI)
low
gas
source
will
be
failure.
the
air
next
step
bills
prevent one
for
the
air
for
by
restricting
open
more.
of
oxygen
cylinder
delivered
at
the
gas
and
to
provide a flow
and
is
to
unequal
and
This
up
to + 1.38
is
set
that
the
gas
to
inputs,
allow
oxygen.
prevent
gas
air/oxygen
oxygen
the
artifice
will
by
the
is
tapered
flow
the
flow
the
only
the
of
gas
This
cross
source
sides
provide
bar
control
from
from
meter
bypass
higher
to
the
is
of
on
(20
the
1.3
1.3.1
The
Block
the
patient
1.3.2
The
Flow
deliver
FLOW
METER
Block
Sub-Assembly
over
Flow
Meter
Meter
5cmH:0.
ASSEMBLY
Sub-Assembly
controls
pressure
controls
solenoid
gas
flow
gas
and
from
flow
to
circuit
the
the
over
gas
patient
pressure
blender
and
valve.
to
oxygen
the
patient.
cell.
In
This
clinical
assembly
use
also
8L/pm
contains
should
i

Oxygen
2.4
The
then
voltage.
values
2.5
The
Nominal
AUTO
light
"brightness"
processed
The
of
35
and
PATIENT
Patient
DIMMING
display
Over
microprocessor.
activate
and
at
circuit.
repeat
The
connector
out
of a brass
this
point
If
until
solenoid
the
solenoid.
would
the
the
#P5.
over
condition
is
Alarm.
by
the
brightness
less.
OVER
Pressure
İf
the
sound
drop
Pressure
mounted
It
is
activated
This
FEATURE
is
measured
ADC
PRESSURE
Proximal
This
allows
absorber
to
zero.
is
cleared.
on
alarm
cannot
using
in
U7. A zener
will
be
100%
PROTECTION
Protection
Pressure
the
gas
on
the
After 3 seconds
condition
the
by a FET
Flow
is
Meter
(Q3)
be
silenced.
an
optical
diode (D25)
Valve
sensor
is
for
ADC
values
is a normally
(U4).
used
exceeds a pressure
flow
rear
panel,
still
present
selected
the
Block
at
the
ihe
path
processor
the
solenoid
and
is
This
to
protect
of
50
and
closed
of
11
cmH,O
flow
meter
of
least
resistance.
will
attempt
will
connected
signal
the
greater
solenoid
to
flow
to
restore
open
to
the
is
amplified
ADC
input
and
controlled
the
microprocessor
through
The
patient
flow
again.
Main
This
Circuit
with
from over
50%
the
pressure
to
the
process
Board
U6
and
for
ADC
by
the
will
solenoid
patient
will
at
2.6
+15
VOLT
The + 15
ground.
must
The
keep
volt
supply
voltage
the + 15
microprocessor.
The
—15
volt
supply
volt
reference.
input
(input
remains
The + 10
can
within
microprocessor.
2.7
REFERENCE
Vref
+4.76
Volts
V
ref
is
derived
U6, a high
Precision
The
+15
volt
+
10
volt
with
input
Voltage
supply
supply.
MONITORING
is
monitored
at
the
volt
is
monitored
volt
not
be
negative).
the
+10%
VOLTAGES
+0.03V
R4,
R7 and
impedance
+10.00
used
The
output
node
at + 10%
reference
tolerance.
op
amp.
Volts
by
U2
to
of
U2
with
R38
is
input
to
the
tolerance.
with
R40
and
allows
This
U6.
The
deliver a stable
is
stable
the
digital
Failure
voltage
at
voltages
and
R39
ADC
Failure
R41
node
value
to
do
at
10
in
where
to
in
series
voltage
is
so
the
node
volt
down
series
the
do
so
will
across
to
monitored
will
result
of
voltage
output.
to
+12
across
digital
value
result
the
be
positive
to
in a watch
U1's
function
volts.
the
+15
is
in a watch
—15
volt
to
accommodate
verify
that
divider
is
volt
supply
monitored.
dog
supply
the
-15
dog
R4
and
A7
the
driver
The
reset
and
volt
reset
is
driven
for
and
of
the
the
supply
of
both
15v
value
the
+10
ADC
the
by
the
2.8
|
The
P6/1
P6/2
P6/3
P6 /4
TEST
test
POINTS
points
AND
TEST
are
located
at
Ground
Pressure
Reference
signal - To
voltage
+15 V control
SOFTWARE
P6.
Pin 1 is
voltage
(TSW)
located
ADC
+4.76 V +0.03V
to
ADC
at
the
top
of
the
connector,
13
at
the
bottom.

P6/5
P6/6
P6/7
P6/8
P6/9
P6 / 10
P6/11
P6 / 12
P6 / 13
Test
Software
The
Test
must
be
一
Place
Press
Turn
的
Release
可 人
Follow
-
Oxygen
Optical
+5
+15
Oxygen
-15
+10 volt—
-10
followed:
Main
Cell
volt — Analog
volt
Analog
Switch
Switch
is a 16
switch
in
and
hold
Power
ALARM
instructions
15 V control
set
point
sensor
volt — Digital
volt — Analog
voltage
Analog
position
the
switch
to
Power
Precision
Precision
(TSW)
position, 4 line
1
ALARM
on
after
in
section
voltage
to
ADC
output
Power
Power
ADC
Voltage
Voltage
key
on
software
8.
to
ADC
(nominal
voltage
the
to
Hexadecimal
front
revision
alarm)
ADC
panel.
is
displayed.
code
switch.
To
enable
TSW
the
following
steps

6
PREVENTIVE
6.1
CLEANING
For
cleaning
6.2
PREVENTATIVE
A
qualified
months.
service
The
maintenance
manual.
The
Preventative
Items
Mixer
Brass
Air
Oxygen
AND
and
maintenance
annual
kit > P/N
maintenance
in
filter
silencer
inlet
MAINTENANCE
MAINTENANCE
please
MAINTENANCE
engineer
preventative
P/N
kit
filter
cell
34001
34001
should
and a complete
check
PROCEDURE
perform
maintenance
kit
consists
to
see
the
operator's
preventative
consists
of
calibration
of
the
following
Quantity | Part
2
3
1
1
maintenance
replacing
procedure
items:
number
32014
281071
279676
396008
manual
parts
section
at
least
included
as
listed
6.
every
in
twelve
in
Preventative
Section
4 in
(12)
this
6.2.1
Remove
Disconnect
Remove
роз
Remove
fittings.
Remove
a
enclosure
の
Remove
Remove
Re-secure
QNO
pole
Disconnect
.
Remove
of
Remove
11.
oxygen
12.
Remove
allen
the
Install
13.
filter
Remove
14.
wrench)
brass
Parts
AC power
two
the
the
the
the top
stand
and
the
flow
and
DISS
the
wrench)
brass
the
assembly
the
and
retainer.).
replacement
cord
air
and
oxygen
3/16"
ASA
gas
inlet
block
five
screws
(3
on
the
left, 2 on
two
screws
enclosure
the
pole
mount
for
testing.
the
O2
cell
replace
meter
replace
fitting).
oxygen
and
retainer.)
new
air
remove
the
block).
the
metal
remove
metal
micron
retainer.
metal
micron
the
Re-secure
procedure
from
power
hoses
from
allen
screws
from
the
on
the
bottom
the
right).
holding
harness
two
brass
metal
the
(Watch
assembly
and
brass silencers
silencer
micron
the
metal
filter
inlet
micron
the
oxygen
entry
module.
gas
at
the
ARABELLA
outer
pole
mount
out
for
ESD).
to
the
remove
at
the
inlet
filter
micron
kit
containing:
filter
assembly
filter,
filter
sources
gas
block.
by
edge
of
assembly
gas
blender
the
O2
at
the
bottom
assembly
filter,
spring
O-ring,
retainer
spring
assembly
and
ARABELLA
pulling
the
ARABELLA
right
cell
by
rear
of
of
the
retainer
and
filter
and
O-ring.
retainer.
straight
to
the
side
back
right
and
unscrewing
the
ARABELLA
ARABELLA
at
the
O-ring.
and
spring.
at
the
rear
(The
gas
inlet
on
case,
side
of
place
it
from
(located
rear
of
(The
O-ring
Re-secure
of
the
O-ring
block.
the
air/oxygen
securing
the
ARABELLA.
the
ARABELLA
the
flow
(located
next
the
gas
is
gas
blender
is
located
the
top
meter
at
the
back
to
the
blender
located
the
oxygen
(1/4"
inside
DISS
on
the
block.
end
(1/4"
inside
allen
the
Install
15.
assembly
16.
Remove
17.
Install
18.
Reinstall
Note:
Inspect
airside
maintenance
the
new
metal
retainer.
the
water
new
air
filter
the
gas
inlet
parts
needs
micron
trap
bowl,
element
block.
carefully!
to
be
performed
filter
kit
containing:
water
trap
and
O-ring.
Visible
more
O-ring
Clean
signs
frequently
O-ring,
and
the
water
of
contamination
to
filter
and
air
inlet
filter
trap
bowl
could
avoid
future
spring.
element.
and
indicate
gas
blender
Re-secure
re-secure.
airside
problems!
the
air
filter

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HAMILTON
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142
İçer.
Ger, | Ao
00
2CH158100
tel
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回