Dräger Oxylog 2000 User manual

Oxylog 2000
Emergency Ventilator
Operating Instructions
Software Version 3.n
MT 307-98

NOTICE
Proprietary Information
This document contains information in which Dräger, Inc. claimed pro-
prietary rights. The information may not be reproduced in whole or in
part except as authorized in writing by Dräger. This information is the
property of Dräger, Inc., it is provided solely for the use intended.
Repairs/Modifications
Repairs on this device shall be performed only by Dräger Service or its
Authorized Service Centers. Information about repairs can be obtained
from Dräger or Authorized Dealers. Dräger, Inc. will not be responsible
for injury to persons or damage to property arising directly or indirectly
out of unauthorized repairs or modifications to this device. Furthermore,
any unauthorized repairs or modifications void any warranty extended by
Dräger.
This document is provided for your information only. It will not be
exchanged or updated without request.
Trademarks
The Dräger name and logo are registered trademarks of Dräger
Medizintechnik GmbH.
Oxylog and Oxylog 2000are registered trademarks of Dräger
Medizintechnik GmbH.
©Dräger Medizintechnik GmbH,1998
All rights reserved, Subject to modifications

Maintenance..............................................................43
Preventive Maintenance Intervals................................ 43
User Replaceable Parts.............................................. 43
In Case of Ventilator Malfunction................................ 44
Troubleshooting........................................................ 45
What's What.............................................................. 48
Front View..................................................................48
Rear View...................................................................49
Right-Hand Side View................................................ 50
Technical Data.......................................................... 51
Ambient Conditions.................................................... 51
Performance Data...................................................... 51
Alarms........................................................................53
Operating Data...........................................................54
Physical Characteristics............................................. 55
Certificates.................................................................55
Theory of Operation.................................................. 57
Symbols for Pneumatic Components.......................... 57
Gas Supply................................................................ 57
CMV / SIMV / A/C..................................................... 58
CPAP.........................................................................58
Flow Measurement, Principle of Operation................. 59
Pressure Dependent Tidal Volume with Air Mix........... 59
Glossary.................................................................... 60
Ordering Information................................................ 61
Index......................................................................... 62
Notes.........................................................................63
Contents
Important Safety Information READ THIS FIRST........ 4
Operator's Responsibility for Patient Safety.................. 4
Limitation of Liability..................................................... 4
Warranty...................................................................... 5
Definitions.................................................................... 6
General WARNINGS and CAUTIONS......................... 7
Precautions During Preparation.................................... 8
Precautions During Operation...................................... 9
Precautions During Care............................................ 10
Precautions During Maintenance................................ 11
Intended Use.............................................................12
Overview................................................................... 13
Preparation................................................................14
Assembly................................................................... 14
Pneumatic Connections..............................................15
Electrical Supply.........................................................15
Positioning the Oxylog 2000....................................... 20
Connecting Gas Supply............................................. 20
Checks of Readiness for Operation..........................23
Connecting a Test Lung............................................. 23
Checking Ventilation...................................................24
Checking End-Expiratory Pressure (PEEP)................. 25
Checking "Paw high" Alarm.........................................26
Checking "Paw low" Alarm..........................................26
Checking SIMV Synchronization.................................27
Checking "Power failure" Alarm..................................27
Operation.................................................................. 28
Pre-Use Checklist...................................................... 28
Using CMV................................................................ 29
Using Assist/Control...................................................32
Using SIMV................................................................ 33
Using CPAP...............................................................35
Displaying Settings and Measured Values...................36
In the Event of a Power Failure................................... 37
Alarms........................................................................37
Time Limits for Battery Powered Operation.................38
End of Operation........................................................ 39
Care...........................................................................40
Disassembly............................................................... 40
Cleaning / Disinfecting / Sterilizing............................. 42
Contents
Operating Instructions Oxylog 2000, SW 3.n
3

Limitation of Liability
Dräger, Inc.'s liability, whether arising out of or related
to manufacture and sale of the goods, their installation,
demonstration, sales representation, use, performance,
or otherwise, including any liability based upon Dräger,
Inc.'s Product Warranty, is subject to and limited to the
exclusive terms and conditions as set forth, whether
based upon breach of warranty or any other cause of
action whatsoever, regardless of any fault attributable
to Dräger, Inc. and regardless of the form of action
(including, without limitation, breach of warranty, negli-
gence, strict liability, or otherwise).
THE STATED EXPRESSED WARRANTlES ARE IN
LlEU OF ALL OTHER WARRANTIES, EXPRESSED
OR IMPLIED, INCLUDING, WITHOUT LIMITATION,
WARRANTlES OF MERCHANTABILITY, FITNESS
FOR ANY PARTICULAR PURPOSE, OR
NONINFRINGEMENT.
Dräger, Inc. shall not be liable for, nor shall buyer be
entitled to recover any special incidental, or conse-
quential damages or for any liability incurred by buyer
to any third party in any way arising out of or relating to
the goods.
Important Safety Information
Operator's Responsibility for Patient Safety
For correct and effective use of the product and in
order to avoid hazards, it is mandatory to carefully
read and to observe all portions of this manual.
The design of the equipment, accompanying literature,
and the labeling on the equipment, take into considera-
tion that the purchase and use of the equipment are
restricted to trained professionals, and that certain
inherent characteristics of the equipment are known to
the trained operator. Instructions, warnings, and
caution statements are limited, therefore, largely to the
specifics of the Dräger design. This publication
excludes references to various hazards which are
obvious to a medical professional and operator of
respiratory care equipment, to the consequences of
misuse of such equipment, and to potentially adverse
effects in patients with abnormal conditions. Product
modification or misuse can be dangerous. Dräger, Inc.
disclaims all liability for the consequences of product
alterations or modifications, as well as for the conse-
quences which might result from uses of the product
not covered by its intended use or from the combi-
nation of this product with other products whether
supplied by Dräger or by other manufacturers if such a
combination is not endorsed by Dräger, Inc.
The operators of ventilator systems must recognize
their responsibility for choosing appropriate safety
monitoring that supplies adequate information on equip-
ment performance and patient condition. Patient safety
may be achieved through a wide variety of different
means ranging from electronic surveillance of equip-
ment performance and patient condition to simple,
direct observation of clinical signs. The responsibility
for the selection of the best level of patient monitoring
lies solely with the equipment operator.
Important Safety Information
Operator's Responsibility for Patient Safety
Limitation of Liability
Operating Instructions Oxylog 2000, SW 3.n
4

Application of this warranty is subject to the following
conditions:
1. Dräger, Inc. or its authorized representative must
be promptly notified, in writing, upon detection of
the defective material or equipment.
2. Defective material or equipment must be returned,
shipping prepaid, to Dräger or its authorized repre-
sentative.
3. Examination by Dräger, Inc. or its authorized repre-
sentative must confirm that the defect is covered
by the terms of this warranty.
4. Notification in writing of defective material or equip-
ment must be received by Dräger, Inc. or its
authorized representative no later than two (2)
weeks following expiration of this warranty.
In order to assure complete protection under this
warranty, the Customer Registration Card and/or Peri-
odic Manufacturer's Service Record (if applicable)
must be returned to Dräger within ten (10) days of
receipt of the equipment.
The above is the sole warranty provided by Dräger, Inc.
No other warranty expressed or implied is intended.
Representatives of Dräger are not authorized to modify
the terms of this warranty.
Dräger, Inc., Telford, PA
Warranty
All Dräger products are guaranteed to be free of
defects for a period of one year from date of delivery.
The following are exceptions to this warranty:
1. The defect shall be a result of workmanship or
material. Defects caused by misuse, mishandling,
tampering, or by modifications not authorized by
Dräger, Inc. or its representatives are not covered.
2. Rubber and plastic components and materials are
warranted to be free of defects at time of delivery.
3. Oxygen sensors capsules have a six-month limited
warranty from the date of delivery.
Any product which proves to be defective in workman-
ship or material will be replaced, credited, or repaired
with Dräger, Inc. holding the option. Dräger, Inc. is not
responsible for deterioration, wear, or abuse. In any
case, Dräger, Inc. will not be liable beyond the original
selling price.
Important Safety Information
Warranty
Operating Instructions Oxylog 2000, SW 3.n
5

Definitions
NOTE: A NOTE provides additional information
intended to avoid inconveniences during operation.
Inspection = examination of actual condition
Service = measures to maintain specified
condition
Repair = measures to restore specified
condition
Maintenance = inspection, service, and repair,
where necessary
Preventive = maintenance measures at regular
Maintenance intervals
Typing conventions in this manual
Controls (knobs, membrane switches) are designated
as »Control Name«, e.g.
»PEEP«
Screen messages are printed in a window, e.g:
Self test O.K.
CAUTION !
A CAUTION statement designates the possibility
of damage to equipment if disregarded.
WARNING !
A WARNING statement refers to conditions
with a possibility of personal injury if dis-
regarded.
Important Safety Information
Definitions
General WARNINGS and CAUTIONS
Operating Instructions Oxylog 2000, SW 3.n
6

CAUTION !
Accessories
Use only accessories listed in the Ordering
Information (page 60).
CAUTION !
Restriction of Distribution
Federal Law and Regulations in the United
States and Canada restrict this device to sale
by or on the order of a physician.
WARNING !
Electrical connections to equipment which is
not listed in these Operating Instructions
should only be made after consultation with
the respective manufacturers or a qualified
expert.
General WARNINGS and CAUTIONS
WARNING !
Keep manual resuscitation bag ready at hand!
If a defect is detected in the ventilator and its
life-support functions can no longer be
guaranteed (e.g. in case of a power failure or
interruption in the medical gas supply), venti-
lation must be started without delay with an
independent ventilation device (resuscitation
bag) - using PEEP and/or increased inspiratory
O2concentration as necessary.
WARNING !
Ventilation monitoring is mandatory at all
times!
Whenever a patient is connected to the venti-
lator, constant attention by qualified medical
staff is required in order to provide immediate
corrective action in case of a malfunction.
The operator shall not rely on the built-in
monitoring of the ventilator and must always
assume full responsibility for proper ventilation
and patient safety in all situations.
WARNING !
DANGER, risk of explosion if used in the
presence of flammable anesthetics.
The equipment is neither approved nor certi-
fied for use in areas where combustible or
explosive gas mixtures with air or with nitrous
oxide are likely.
WARNING !
Strictly follow Operator's Instruction Manual!
Any use of the ventilator requires full under-
standing and strict observation of all portions
of these instructions. The equipment is only to
be used for the purpose specified under
"Intended Use" (page 12). Observe all
WARNINGS and CAUTIONS as rendered
throughout this manual and on labels on the
equipment.
Important Safety Information
General WARNINGS and CAUTIONS
Operating Instructions Oxylog 2000, SW 3.n
7
CAUTION !
Federal law in the USA requires the traceability
of this ventilator. If this device is resold, the new
owner will have to inform the US distributor.

CAUTION !
Always use DC/DC converter 84 13 017 when
using a DC source.
CAUTION !
Do not pressurize the connector for differential
pressure sensing lines, the internal sensor may be
destroyed
CAUTION !
Always use elbow connector for accurate flow
measurement.
WARNING !
Ventilator is ready for operation only after all
functional tests were performed successfully.
WARNING !
Do not install flow control valves or flow
meters into the high pressure gas supply.
Equipment malfunction might result.
WARNING !
Always use medical grade oxygen or air that is
dry and free from dust and oil. Contaminated
gas may cause ventilator malfunction.
WARNING !
Always use a pressure regulator with a vent
valve at the outlet. This shall limit delivery
pressure to approximately 70 psi in case of a
defect!
Important Safety Information
Precautions During Preparation
Operating Instructions Oxylog 2000, SW 3.n
8
Precautions During Preparation
WARNING !
• Always use extreme caution when using oxygen!
• Oxygen intensely supports any burning!
No smoking, no open fire in areas where oxygen
is in use!
• Always provide adequate ventilation in order to
maintain ambient O2concentrations < 24 %.
• Use only officially approved gas cylinders that
comply with federal and local regulations.
Always secure gas cylinders against tipping, do
not expose to extreme heat.
• Do not use oil or grease on O2equipment such
as tank valves or pressure regulators. Do not
touch with oily hands. Risk of fire!
• Open and close valves slowly, with smooth turns.
Do not use any tools.
WARNING !
Treatment of batteries:
- Do not throw into fire!
- Do not force open!
- Do not attempt to recharge
alkaline batteries!
Danger of bodily injury.
Follow all local, state, and federal regulations
with respect to environmental protection when
disposing of batteries.
WARNING !
A fully charged NiCd battery pack or fresh
alkaline batteries must always be installed for
safety reasons, even when operating from an
external power supply!
WARNING !
Do not use electrically conductive patient
circuits! They can pose a hazard to personnel
and lead to ventilator damage during the use
of a defibrillator!
WARNING !
Always verify that valve membrane is installed
in correct orientation. Ventilator malfunction
will occur if silicone membrane is reversed.
Take care not to damage or bend rubber disc
inside patient valve. Ventilator malfunction will
occur.

Important Safety Information
Precautions During Operation
Operating Instructions Oxylog 2000, SW 3.n
9
WARNING !
Do not block air intake. Ventilator malfunction
will result.
WARNING !
Continuous or intermittent audible alarms
require immediate operator attention to avert
or to prevent development of situations with
the possibility of patient injury.
WARNING !
Automatic ventilation, volume measurement,
and alarms do not operate in the event of a
power failure!
Spontaneous breathing can continue through
the integrated demand valve.
Immediately start ventilating patient with
independent manual ventilation device
(resuscitation bag) using PEEP and/or
increased inspiratory oxygen concentration
where necessary and appropriate!
Precautions During Operation
WARNING !
The automatic "Paw low" alarm for detecting a
disconnection is not functional during CPAP!
Verify tightness of all connections!
WARNING !
Only use CPAP mode for patients with
sufficient spontaneous breathing.
WARNING !
If blender is not set to »No Air Mix«, toxic am-
bient air may be drawn from the environment.
Relocate patient immediately to an environ-
ment of breathable air, so that toxic air is not
inspired when spontaneous breathing returns!
WARNING !
To protect a patient with spontaneous
breathing from toxic ambient air, use SIMV
mode only !
WARNING !
Observe pressure gauge in order to quickly
identify improper ventilation. Operator must
always be ready to avert danger to the patient.
WARNING !
Always use ventilator that has been cleaned
and disinfected and has been successfully
tested to be ready for operation.
WARNING !
Any use of the ventilator requires full under-
standing and strict observation of all portions
of these Operating Instructions.

CAUTION !
Do not use hard brush for cleaning.
Do not allow any foreign objects to enter the
patient valve.
CAUTION !
Follow all accepted hospital procedures for
disinfecting parts contaminated by body fluids
(protective clothing, eyewear, etc.).
Precautions During Care
CAUTION !
Certain components of the ventilator consist of
materials that are sensitive to certain organic
solvents sometimes used for cleaning and
disinfecting (e.g., phenols, halogen releasing
compounds, oxygen releasing compounds,
strong organic acids, etc.). Exposure to such
substances may cause damage that is not always
immediately apparent. Sterilization of the
ventilator itself with ethylene oxide (EtO) is also
not recommended.
CAUTION !
Do not allow any foreign objects to enter the
patient valve.
Do not damage the silicone diaphragm or other
parts.
CAUTION !
Do not allow any foreign objects to enter the flow
sensor.
Do not use pressurized air for cleaning.
The orifice membrane inside the flow sensor may
become damaged.
CAUTION !
When removing patient circuits, always handle at
end fittings! Otherwise, support helix may be torn
at end fitting or hose and fitting could come
apart.
WARNING !
Water remaining in the patient valve or in the
pressure sensing lines for flow measurement
may cause ventilator malfunction.
WARNING !
Always follow accepted hospital / Electro-
Magnetic Compatibility procedures for han-
dling equipment contaminated with body
fluids.
Important Safety Information
Precautions During Care
Operating Instructions Oxylog 2000, SW 3.n
10

Important Safety Information
Precautions During Maintenance
Operating Instructions Oxylog 2000, SW 3.n
11
CAUTION !
Maintenance
In case of malfunction of this device, contact
your local Dräger Service or our Factory
Authorized Technical Service Center.
The device must be inspected and serviced
(preventive maintenance) by factory trained and
authorized technical service representatives at
regular intervals. A record must be kept on this
preventive maintenance. We recommend
obtaining a service contract through your vendor.
Maintenance or repair of Oxylog ventilators shall
be performed only by Dräger authorized techni-
cal service representatives.
Precautions During Maintenance
WARNING !
Damage to the LCD
If, in case of damage to the ventilator, the
glass of the LCD screen is broken, a liquid
chemical may escape which must not be
allowed to come into contact with the human
body. Immediately wash affected skin areas
with soap.
WARNING !
Never operate a ventilator if it has suffered
physical damage or does not seem to operate
properly. In this case always refer servicing to
factory trained and authorized personnel.
WARNING !
Treatment of batteries:
- Do not throw into fire!
- Do not force open!
- Do not attempt to recharge
alkaline batteries!
Danger of bodily injury.
Follow all local, state, and federal regulations
with respect to environmental protection when
disposing of batteries.
WARNING !
Preventive Maintenance work on the Oxylog
2000 ventilator may be performed by factory
trained and authorized personnel only.
WARNING !
To avoid any risk of infection, clean and disin-
fect ventilator and accessories before any
maintenance according to established hospital
procedures - this applies also when returning
ventilators or parts for repair.

WARNING !
Keep manual resuscitation bag ready at hand!
If a defect is detected in the ventilator and its
life-support functions can no longer be guar-
anteed (e.g. in case of a power failure or inter-
ruption in the medical gas supply), ventilation
must be started without delay with an indepen-
dent ventilation device (resuscitation bag)
- using PEEP and/or increased inspiratory O2
concentration as necessary.
WARNING !
Ventilation monitoring is mandatory at all
times!
Whenever a patient is connected to the venti-
lator, constant attention by qualified medical
staff is required in order to provide immediate
corrective action in case of a malfunction.
The operator shall not rely on the built- in
monitoring of the ventilator and must always
assume full responsibility for proper ventilation
and patient safety in all situations.
Intended Use
Oxylog 2000 - a time cycled, volume constant transport
and emergency ventilator for patients with tidal
volumes starting at 100 mL.
Available ventilation modes:
- Controlled Mandatory Ventilation (CMV) with
variable I:E ratio and switch-selectable O2 concen-
tration of 100 or approximately 60% by vol.
- Assist/Control ventilation (A/C)
- Synchronized Intermittent Mandatory Ventilation
(SIMV)
- spontaneous breathing with Continuous Positive
Airway Pressure (CPAP)
with patient monitoring of:
- airway pressure Paw
- expiratory minute ventilation MV
with ventilator monitoring of:
- airway pressure Paw
- electrical power supply
- gas supply
with applications in:
- mobile emergency and primary care of emergency
patients
– patient transports in emergency rescue vehicles or
by helicopter
– patient transfers by road or air
- intra-hospital transports of ventilated patients
– the emergency room
– secondary transports between hospitals.
Intended Use
Operating Instructions Oxylog 2000, SW 3.n
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Overview
Controls
Supplies
Operating Instructions Oxylog 2000, SW 3.n
13
➆The liquid crystal display is used for indicating
measured MV, PEEP, Peak and Mean pressure, Rate,
and VTexp., as well as for Advisory and Warning mes-
sages. It is located immediately above the two knobs
for rate and tidal volume VT.
Alarms appear on the display as plain text. The red
alarm status LED will start blinking simultaneously
with an audible alarm.
➇Pressing the » M Info« key briefly displays additional
settings and measured values.
This also activates screen backlighting.
Pressing the key for 3 seconds will test the display,
status lights and audible alarm.
➈The audible alarm can be silenced for approximately
2 minutes by pressing the »gReset« key after an
alarm has occurred.
When the alarm condition has been corrected, the
alarm message can be reset by pressing this key.
A new, higher priority alarm will always be displayed
immediately.
Supplies
Gas supply
O2from a cylinder with pressure regulator or from the
medical gas pipeline system. Supply with medical air or
from an optional O2-Air blender in emergencies.
Power supply
Internal rechargeable NiCd battery pack and external
power supply if necessary
or
Non-rechargeable alkaline battery pack and external
power supply if necessary.
Overview
Controls
➀The most important dial knobs, namely those for
ventilator rate (Rate) and tidal volume (VT) are
located in the center of the front panel. They are
larger in diameter than the other dial knobs. Ranges
for each patient group are color-matched on both
knobs for easier presetting: infants (green), children
(blue), adults (brown).
➁The smaller dial knobs for ventilation time ratio
(I:E), maximum airway pressure (Pmax), and
end expiratory pressure (PEEP), are grouped
together in one area. The PEEP knob features a
safety stop for settings above 10 cmH2O.
➂Switch for CMV / A/C or SIMV / CPAP ventilation
modes. The » M Info« and »gReset« keys on the pa-
nel are used to change from CMV to Assist Control.
Turning the rate knob to 0 changes from SIMV to
CPAP.
➃The ON/OFF switch »O/I« is located beside the
switch for the ventilation modes.
Both switches are protected by protruding U-brackets
against accidental switching.
➄The oxygen blender switch is used to select either
100 % O2by vol. or approx. 60 % O2by vol. during
ventilation.
➅Analog mechanical pressure gauge for continuous
display of inspiratory and expiratory airway pressure
– independent from electrical power supply.
MT 591-97
➀
➁
➂
➃
➄
➅
➆
➇
➈

Preparation
Assembly
Installing the patient valve
2Place diaphragm in breathing valve – ensure that it is
inserted correctly.
3Install cover and turn approx. 90°clockwise = lock.
4Plug flow sensor into breathing valve; note groove.
5Attach elbow to flow sensor
When using a bacteria filter
•always attach bacteria filter to elbow as shown.
6Connect ventilation hose to breathing valve.
7Connect pressure lines for flow measurement
to nipples on flow sensor – note different diameters.
WARNING !
Do not use electrically conductive patient
circuits! They can pose a hazard to personnel
and lead to ventilator damage during the use
of a defibrillator!
CAUTION !
Always use elbow connector for accurate flow
measurement.
WARNING !
Always verify that valve membrane is installed
in correct orientation. Ventilator malfunction
will occur if silicone membrane is reversed.
1 Take care not to damage or bend rubber
disc inside patient valve. Ventilator
malfunction will occur.
Preparation
Assembly
Operating Instructions Oxylog 2000, SW 3.n
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3
2
4
5
6
7
1
01929033020290330212903302229033

Preparation
Pneumatic Connections
Electrical Supply
Operating Instructions Oxylog 2000, SW 3.n
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Pneumatic Connections
1Attach gas supply line and hand-tighten DISS nut.
2Attach pressure sensing lines for flow measurement
to connector on Oxylog 2000.
3Connect patient circuit to port on Oxylog 2000.
Electrical Supply
The Oxylog 2000 ventilator is designed for different
types of electrical supply.
Internal supply
with either rechargeable (NiCd)
or
non-rechargeable (alkaline) batteries
External supply
To recharge the NiCd battery pack and as auxiliary
supply to extend operation when using alkaline or
NiCd battery packs:
DC from an on-board supply system using a DC/DC
converter (part no. 84 12 071)
or
AC adapter (part no. 84 12 709) from 115 V AC line
voltage.
WARNING !
A fully charged NiCd battery pack or fresh
alkaline batteries must always be installed for
safety reasons, even when operating from an
external power supply!
CAUTION !
Do not pressurize the connector for differential
pressure sensing lines, the internal sensor may be
destroyed.
23
1
02329033

Installing / replacing NiCd battery pack
- before first use
- when the display message
appears during charging,
and
- as part of preventive maintenance
every 2 years.
●Undo screw in battery compartment cover (use
coin) and remove cover.
●Take out defective battery pack and disconnect
plug.
●Attach plug of new battery pack to receptacle in
battery compartment and insert pack.
●Re-install cover and tighten screw.
Charging NiCd batteries
NOTE: Even while NiCd batteries are connected to an
external power supply, they will slowly discharge. It
takes about 2 years for batteries to discharge com-
pletely under those circumstances
NOTE: Always charge at ambient temperatures of
0ºC to 35ºC (32ºF to 95ºF)!
Alternatively, charge battery pack with
- on-board DC supply
Always use DC/DC converter 84 12 071
or
- AC adapter.
Always use AC adapter 84 12 709 for connecting
device to 115 V AC line voltage.
WARNING !
Treatment of batteries:
- Do not throw into fire!
- Do not force open!
- Do not attempt to recharge
alkaline batteries!
Danger of bodily injury.
Follow all local, state, and federal regulations
with respect to environmental protection when
disposing of batteries.
Faulty NiCd
Preparation
Electrical Supply
Operating Instructions Oxylog 2000, SW 3.n
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0262903302729033

Preparation
Electrical Supply
Operating Instructions Oxylog 2000, SW 3.n
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When external voltage is connected:
●The green DC power status LED lights up
regardless of whether the ventilator is switched on
or off. The internal battery pack is now being
charged.
●Display while ventilator is switched off:
●It takes approximately 8 hours to fully charge a
completely discharged NiCd battery pack
●Display while ventilator is turned off:
At room temperature, the ventilator can be operated for
approximately 6 hours with a fully charged NiCd
battery pack.
●Near the end of battery capacity,
the following display will appear:
Approximately 10 minutes of operation remain at the
time of this message.
NOTE: Low ambient temperatures and the actual
condition of the rechargeable batteries may reduce
operating times, see "Technical Data" page 54.
Operation with alkaline batteries
With battery holder 18 35 505
Only use alkaline batteries, type IEC LR6 (AA size)
●Undo screw in lid of battery compartment (use coin)
and remove lid.
Charge NiCd
Stand-by
NiCd charged
Stand-by
NiCd charging
D1
02929033
02629033

●Take out pack of discharged alkaline AA batteries
(or discharged NiCd battery pack, respectively) and
disconnect.
●Remove discharged batteries from battery holder,
clip in six new batteries.
NOTE: Ensure correct polarity when inserting new
batteries.
●Re-attach plug of battery pack to receptacle in
battery compartment and insert pack.
●Install cover and tighten screw.
The ventilator can be operated for approximately
4 hours with a pack of fresh alkaline batteries.
An additional external supply can be connected to
extend the electrical operation time:
●Use a DC/DC converter (part no. 84 12 071)
or
●use an AC adapter (part no. 84 12 709).
For display messages related to batteries, see table
"Troubleshooting" on pages 45 and 46.
External power supply from AC adapter
●Only use AC power supply 84 12 709!
●Connect power plug to 115 V outlet and DC plug
to DC socket on Oxylog 2000.
WARNING !
Treatment of batteries:
- Do not throw into fire!
- Do not force open!
- Do not attempt to recharge
alkaline batteries!
Danger of bodily injury.
Follow all local, state, and federal regulations
with respect to environmental protection when
disposing of batteries.
Preparation
Electrical Supply
Operating Instructions Oxylog 2000, SW 3.n
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02729033
+ +
–
– –
+
02829033

Preparation
Electrical Supply
Operating Instructions Oxylog 2000, SW 3.n
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Operation with external DC supply
Voltage fluctuations in on-board supplies can be signifi-
cant, e.g. due to varying load conditions. They may
exceed the input tolerances specified for Oxylog 2000.
The DC/DC converter conditions these types of DC
power sources to provide a constant voltage of
approximately 12 V DC.
●Attach cigarette lighter adapter plug to on-board
DC power source, plug other end into external DC
input jack on top of ventilator.
DC converter operation in combination with ventilator
mount bracket:
●Plug angled connector into Oxylog external DC
input jack. Attach cigarette lighter adapter plug to
an on-board socket.
Connecting DC/DC converter to on-board supply
without cigarette lighter adapter
NOTE: The following procedure to be performed by
a qualified technician only.
Cut the on-board cable to required length. Remove ca-
pacitor from the cigarette lighter adapter plug and rein-
stall to connect positive and negative cable leads.
(Capacitor is needed for continued immunity of con-
verter against electromagnetic interference.)
Connect cable leads to on-board supply with correct
polarity:
red = positive
blue = negative
CAUTION !
Always use DC/DC converter 84 12 071 when
using a DC source.
12 V DC
24 V DC
28 V DC
12 V DC
24 V DC
28 V DC
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Positioning the Oxylog 2000
For stationary use
●Place on a level surface where it cannot slide or fall,
or
●hang from the headboard of a bed,
or
●hang from a wall rail.
For mobile use in ambulances
●Attach Oxylog 2000 to ventilator mount bracket
(accessory 84 12 069).
1Hang ventilator handle on bar of mounting bracket.
2Swing rear of ventilator up to engage locking
mechanism.
To remove ventilator:
3Push lever from below to disengage bracket.
Connecting Gas Supply
WARNING !
• Always use extreme caution when using oxygen!
• Oxygen intensely supports any burning!
No smoking, no open fire in areas where oxygen
is in use!
• Always provide adequate ventilation in order to
maintain ambient O2concentrations < 24 %.
• Use only officially approved gas cylinders that
comply with federal and local regulations.
Always secure gas cylinders against tipping, do
not expose to extreme heat.
• Do not use oil or grease on O2equipment such
as tank valves or pressure regulators. Do not
touch with oily hands. Risk of fire!
• Open and close valves slowly, with smooth turns.
Do not use any tools.
Preparation
Positioning the Oxylog 2000
Connecting Gas Supply
Operating Instructions Oxylog 2000, SW 3.n
20
DOxylog 2000
1
2
3
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