Saros 4000 User manual

OPERATOR MANUAL
MODEL 4000
Oxygen System
CAIRE Inc.
2200 Airport Industrial Dr., Ste 500
Ball Ground, GA 30107
www.caireinc.com
Copyright © 2020 CAIRE Inc.. CAIRE Inc. reserves the right to discontinue its products, or change
the prices, materials, equipment, quality, descriptions, specifications and/or processes to its
products at any time without prior notice and with no further obligation or consequence.All
rights not expressly stated herein are reserved by us, as applicable.
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ISO 7000; GRAPHICAL SYMBOLS FOR USE ON
EQUIPMENT—INDEX AND SYNOPSIS
Portable operating temperature is -10C to 40C.
Base operating temperature range is 10C-40C.
Reg. # 0632
Portable humidity range is 15 to 90%. Base
humidity range is 30 to 75%. Reg. #2620
Atmospheric pressure limitation. Reg. # 2621
Keep away from rain, keep dry. Reg. # 0626
Name and address of manufacturer. Reg. # 3082
Date of Manufacture. Reg. #2497
Caution, consult accompanying documents.
Reg. # 0434A
Catalog Number. Reg. # 2493
Serial Number. Reg. # 2498
This way up. Reg. # 0623
Fragile, handle with care. Reg. # 0621
Stacking height. Reg #2403
ISO 7010: GRAPHICAL SYMBOLS—SAFETY COLORS AND
SAFETY SIGNS—REGISTERED SAFETY SIGNS
Keep away from open ame, re, sparks. Open ig-
nition source and smoking prohibited. Reg. # P003
Do not smoke near unit or while operating unit.
Reg. # P002
Type BF applied part (degree of protection against
electric shock). Reg. # 5333
Warning. Reg. # W001
The instruction manual must be read. Reg. #
M002
IEC 60417: GRAPHICAL SYMBOLS FOR USE
ON EQUIPMENT
IEC Icon for DC Power (Input) Indicates equip-
ment providing a particular degree of protection
against electric shock, particularly regarding:
Allowable leakage current; Reliability of a proper
ground connection. Reg. #5031
Alternating Current (AC). Reg # 5032
WARNING: DO NOT OPERATE THIS EQUIPMENT WITHOUT FIRST READING AND UNDERSTANDING THIS MANUAL. IF YOU ARE
UNABLE TO UNDERSTAND THE WARNINGS AND INSTRUCTIONS, CONTACT YOUR EQUIPMENT PROVIDER BEFORE ATTEMPTING
TO USE THIS EQUIPMENT; OTHERWISE, INJURY OR DAMAGE MAY RESULT.
DEFINITION OF SYMBOLS PAGE / WARNING PAGE
WARNING: INDICATES A HAZARDOUS SITUATION THAT, IF NOT AVOIDED, COULD RESULT IN DEATH OR SERIOUS INJURY.
CAUTION: Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury.
NOTE: Indicates information considered important, but not hazard-related (e.g. messages relating to property damage).
SYMBOLS USED IN THE OPERATION OF SAROS
Symbols are frequently used on equipment in preference to words with the intention of reducing any possibility of misunderstanding caused
by language differences. Symbols can also permit easier comprehension of a concept within a restricted space.

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COUNCIL DIRECTIVE 93/42/EEC; CONCERNING
MEDICAL DEVICES
If the product unique device identier (UDI)
label has the CE#### symbol on it, the device
complies with the requirements of Directive
93/42/EEC concerning medical devices. The
CE#### symbol indicates notied body number.
INTERNAL SYMBOLS
Keep away from ammable materials, oil and
grease.
O2
Oxygen Output; The port from which the Oxygen
ows and where the tubing or interface(standard
nasal cannula) is connected.
Amperes (Current)
Alert (Yellow) Indicator*: When illuminated, this
indicates an awareness condition or Caution.
ON/OFF (Standby); Powers the device ON or
OFF, but does not directly disconnect the main
power.
Increase Flow Setting; Increases the ow setting
by 1.0 LPM increments or by 1 pulse setting
each time the button is pressed.
Decrease Flow Setting; Decreases the ow
setting by 1.0 LPM increments or by 1 pulse
setting each time the button is pressed.
Activates either Continuous Flow Mode or Pulse
Flow Mode Operation.
Utility; The Button that activates a utility menu
to access information or to change settings.
External Power is Present Indicator; Indicates the
presence of external power.
Battery Status Indicator; Shows the amount of
charge remaining in the battery. When charging,
battery displays as a “Waterfall” Effect.
“Alarm Off” indicator displayed during Tactical
Mode.
21 CFR 801.15: CODE OF FEDERAL REGULATIONS TITLE
21
Federal law restricts this device to sale by or on
the order of a physician.
COUNCIL DIRECTIVE 2012/19/EU: WASTE ELECTRICAL
AND ELECTRONIC EQUIPMENT (WEEE)
WEEE
IEC 60601-1: MEDICAL ELECTRICAL EQUIPMENT -
PART 1: GENERAL REQUIREMENTS FOR BASIC SAFETY AND
ESSENTIAL PERFORMANCE
Classication; Class II Equipment, double
insulated.
Certied for both the U.S. and Canadian markets,
to the applicable U.S. and Canadian standards.
Protected from tools and wires greater than 2.5
millimeters, Protected from water spray less than
60 degrees from vertical.
*Alarms for the SAROS are considered information-only signals.
This product may be covered by one or more patents, US and inter-
national. Please visit our website below for the listing of applicable
patents. Pat.: www.caireinc.com/corporate/patents/.

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TABLE OF CONTENTS
DEFINITION OF SYMBOLS PAGE / WARNING PAGE........................................................................................................2
ILLUSTRATIONS ................................................................................................................................................................5
TABLES ..............................................................................................................................................................................5
INDICATIONS FOR USE .....................................................................................................................................................6
INDICATIONS ....................................................................................................................................................................6
CONTRAINDICATIONS ......................................................................................................................................................7
SAFETY GUIDELINES ................................................................................................................................................ 7
BATTERY SAFETY ..................................................................................................................................................... 8
1.0 INTRODUCTION ..........................................................................................................................................................9
1.1 GENERAL INFORMATION................................................................................................................................... 9
1.2 SAROS OXYGEN SYSTEM SPECIFICATIONS ..................................................................................................... 10
2.0 INTRODUCTION TO YOUR SAROS OXYGEN SYSTEM ...........................................................................................13
2.1 DESCRIPTION OF THE SAROS ASSEMBLY—SHIPPABLE ................................................................................. 13
2.2 USER CONTROLS AND SYSTEM STATUS INDICATORS .................................................................................... 15
2.3 RECOMMENDED OPERATING ENVIRONMENTS ............................................................................................. 18
3.0 PREPARATION FOR USE AND INSTALLATION..........................................................................................................19
3.1 BATTERY INSTALLATION ONTO SAROS .......................................................................................................... 19
3.2 LOCATING THE SAROS..................................................................................................................................... 19
4.0 OPERATING INSTRUCTIONS .....................................................................................................................................20
4.1 OPERATING THE SAROS FOR THE FIRST TIME ................................................................................................ 23
5.0 OPERATOR MAINTENANCE & SERVICE ...................................................................................................................26
5.1 CLEANING THE SAROS .................................................................................................................................... 26
5.2 ROUTINE MAINTENANCE ............................................................................................................................... 26
5.3 CLEANING OR REPLACING AIR INLET FILTER.................................................................................................. 27
5.4 REPLACING THE HEPA FILTER.......................................................................................................................... 28
5.5 RUN DEVICE AND FULLY DRAIN SAROS BATTERY ......................................................................................... 29
5.6 REPLACING THE 9V BATTERY.......................................................................................................................... 29
6.0 ALERTS, ALARMS, AND TROUBLESHOOTING TABLE .............................................................................................29
6.1 SYSTEM TROUBLESHOOTING GUIDE.............................................................................................................. 30
6.2 ALARM INDICATIONS AND CODES ................................................................................................................. 31
7.0 REPROGRAMMING/CALIBRATION...........................................................................................................................33
8.0 SHIPPING AND TRANSPORTING THE SAROS ..........................................................................................................33
9.0 STORING AND DISCARDING THE SAROS ................................................................................................................33
10.0 EMC TESTING..........................................................................................................................................................34

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FIGURE 2-1. SAROS COMPONENTS ....................................................................................................................... 13
FIGURE 2-2. SAROS COMPONENTS ....................................................................................................................... 14
FIGURE 3-1. BATTERY INSTALLATION ................................................................................................................... 19
FIGURE 5-1. BATTERY INSTALLATION ................................................................................................................... 22
FIGURE 4-2. CANNULA INSTALLATION ................................................................................................................. 23
FIGURE 5-1. SAROS COMPONENTS ....................................................................................................................... 27
FIGURE 5-2. REMOVE COVER ................................................................................................................................ 27
FIGURE 5-3. FILTER ................................................................................................................................................. 28
FIGURE 5-4. REINSTALL O2 FITTING/HEPA FILTER ................................................................................................ 28
FIGURE 5-5. REPLACING 9V BATTERY ................................................................................................................... 29
ILLUSTRATIONS
TABLE 1-1. SAROS SPECIFICATIONS.......................................................................................................................10
TABLE 1-2. PULSE MODE SPECIFICATIONS............................................................................................................11
TABLE 1-3. BOLUS VOLUME AND BREATH RATES................................................................................................11
TABLE 1-4. POWER ACCESSORY SPECIFICATIONS ................................................................................................11
TABLE 1-5. BATTERY SPECIFICATIONS...................................................................................................................11
TABLE 1-6. SAROS .................................................................................................................................................12
TABLE 2-1. USER CONTROLS AND INDICATORS ................................................................................................... 15
TABLE 2-2. RECOMMENDED OPERATING ENVIRONMENTS.................................................................................18
TABLE 4-1. TYPICAL NEW BATTERY OPERATING TIME ........................................................................................21
TABLE 4-2. MINIMUM REMAINING TIME ON BATTERY ......................................................................................22
TABLE 4-3. PULSE SETTINGS ..................................................................................................................................24
TABLE 4-4. UTILITY MENU SCREENS .....................................................................................................................25
TABLE 5-1. ROUTINE MAINTENANCE ...................................................................................................................26
TABLE 6-1. ALARM LEVELS ....................................................................................................................................29
TABLE 6-2. SYSTEM TROUBLESHOOTING GUIDE .................................................................................................30
TABLE 6-3. ALARM INDICATIONS AND CODES.....................................................................................................32
TABLES

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INDICATIONS FOR USE
SAROS oxygen system is indicated for the administration of supplemental oxygen. The device is not intended for life support nor does it
provide any patient monitoring capabilities. The SAROS can be used in the Military Medical Service that is operationally used for medical
assemblages, such as the Expeditionary Medical Support (EMEDS) and En-Route Patient Staging System (ERPSS), in deployed scenarios,
including wartime operations, deterrence and humanitarian and contingency operations.
The SAROS is used by patients suffering from discomfort due to ailments which affect the efciency of one’s lungs to transfer the oxygen
in air to their bloodstream. The device will be operated by a trained medical technician or clinician with a working knowledge of oxygen
concentrators. A physician has prescribed a specic oxygen ow setting to meet an individual’s needs. Oxygen ow should be adjusted only
under the direction of a physician.
The SAROS uses a vacuum pressure adsorbent process to separate oxygen from the air and deliver oxygen rich gas to a patient through a
nasal cannula.
WARNING: FEDERAL U.S. LAW RESTRICTS THIS DEVICE TO SALE BY OR ON THE ORDER OF A PHYSICIAN.
INDICATIONS
WARNING: IN CERTAIN CIRCUMSTANCES, THE USE OF NON-PRESCRIBED OXYGEN CAN BE HAZARDOUS. THIS
DEVICE SHOULD ONLY BE USED UNDER THE DIRECTION OF A PHYSICIAN OR QUALIFIED CLINICIAN.
NOT FOR USE IN THE PRESENCE OF FLAMMABLE ANESTHETICS.
AS WITH ANY ELECTRICALLY POWERED DEVICE, THE USER MAY EXPERIENCE PERIODS OF NON-OPERATION AS A RESULT OF
ELECTRICAL POWER INTERRUPTION, OR THE NEED TO HAVE THE SAROS SERVICED BY A QUALIFIED TECHNICIAN. SAROS IS
NOT APPROPRIATE FOR ANY PATIENT WHO WOULD EXPERIENCE ADVERSE HEALTH CONSEQUENCES AS THE RESULT OF SUCH
TEMPORARY INTERRUPTION.
USE OF AN OXYGEN MASK IS CONTRAINDICATED DUE TO THE POSSIBILITY OF REBREATHING EXHALED CARBON DIOXIDE.
WARNING: EXHAUST GAS MAY REACH HIGH TEMPERATURES DURING NORMAL OPERATIONS. USE CAUTION TO AVOID
TOUCHING THE EXHAUST PORT OF THE SAROS WHILE IN USE.
WARNING: THERE IS A RISK OF FIRE ASSOCIATED WITH OXYGEN THERAPY. DO NOT USE CONCENTRATOR OR ACCESSORIES
NEAR SPARKS OR OPEN FLAMES.
WARNING: SMOKING DURING OXYGEN THERAPY IS DANGEROUS AND IS LIKELY TO RESULT IN SERIOUS INJURY OR DEATH OF
THE PATIENT AND OTHERS FROM FIRE.
WARNING: OPEN FLAMES DURING OXYGEN THERAPY ARE DANGEROUS AND IS LIKELY TO RESULT IN FIRE OR DEATH. DO NOT
ALLOW OPEN FLAMES WITHIN 2 METERS OF THE OXYGEN CONCENTRATOR OR ANY OXYGEN CARRYING ACCESSORIES.
WARNING: SMOKING DURING OXYGEN THERAPY IS DANGEROUS AND IS LIKELY TO RESULT IN FACIAL BURNS OR DEATH. DO
NOT ALLOW SMOKING WITHIN THE SAME ROOM WHERE THE OXYGEN CONCENTRATOR OF ANY OXYGEN CARRYING ACCES-
SORIES ARE LOCATED. IF YOU INTEND TO SMOKE, YOU MUST ALWAYS TURN THE OXYGEN CONCENTRATOR OFF, REMOVE THE
CANNULA AND LEAVE THE ROOM WHERE EITHER THE CANNULA OR MASK OR THE OXYGEN CONCENTRATOR IS LOCATED. IF
UNABLE TO LEAVE THE ROOM, YOU MUST WAIT 10 MINUTES AFTER YOU HAVE TURNED THE OXYGEN CONCENTRATOR OFF
BEFORE SMOKING.
NOTE: Auditory alarms may not be heard in noisy environments and/or in tactical mode. Care providers must rely on visual indications to deter-
mine if there are any alarms or other system malfunctions. Care providers should monitor the SAROS for any alarm conditions.

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CONTRAINDICATIONS
SAFETY GUIDELINES
These are Warnings and Cautions that apply to hazards or unsafe practices that could result in serious injury or property damage.
WARNING: FEDERAL U.S. LAW RESTRICTS THIS DEVICE TO SALE BY OR ON THE ORDER OF A PHYSICIAN.
WARNING: DO NOT USE SAROS IF IT HAS A DAMAGED POWER CORD OR PLUG.
WARNING: DO NOT DROP OR INSERT ANY OBJECTS INTO ANY OPENING ON THE DEVICE.
WARNING: DO NOT BLOCK THE AIR INLET OR THE EXHAUST VENT OF THE SAROS WHEN IT IS ON A SOFT SURFACE, SUCH AS A
LITTER, BED, CHAIR, CARPET, COUCH OR VEHICLE SEAT.
WARNING: DO NOT COVER THE DEVICE WITH A BLANKET, TOWEL OR SHEET, ETC.
WARNING: DO NOT STORE THE SAROS WITH THE BATTERY INSTALLED IN THE UNIT.
WARNING: DO NOT REMOVE THE COVER.THERE ARE NO USER-SERVICEABLE PARTS INSIDE THE DEVICE. ONLY QUALIFIED
SERVICE PERSONNEL SHOULD REMOVE THE COVER OF THE DEVICE.
WARNING: DO NOT MODIFY THIS EQUIPMENT WITHOUT AUTHORIZATION OF THE MANUFACTURER.
WARNING: DO NOT OPERATE THE DEVICE, COMPONENTS OR ACCESSORIES ON WET SURFACES OR IN STANDING WATER AND
DO NOT SUBMERSE IN WATER.
WARNING: GERIATRIC, PAEDIATRIC OR ANY OTHER PATIENT UNABLE TO COMMUNICATE DISCOMFORT CAN REQUIRE AD-
DITIONAL MONITORING AND OR A DISTRIBUTED ALARM SYSTEM TO CONVEY THE INFORMATION ABOUT THE DISCOMFORT
AND OR THE MEDICAL URGENCY TO THE RESPONSIBLE CARE GIVER TO AVOID HARM.
WARNING: OXYGEN MAKES IT EASIER FOR A FIRE TO START AND SPREAD. DO NOT LEAVE THE NASAL CANNULA OR MASK
ON BED COVERINGS OR CHAIR CUSHIONS, IF THE OXYGEN CONCENTRATOR IS TURNED ON, BUT NOT IN USE; THE OXYGEN
WILL MAKE THE MATERIALS FLAMMABLE. TURN THE OXYGEN CONCENTRATOR OFF WHEN NOT IN USE TO PREVENT OXYGEN
ENRICHMENT.
WARNING: IF YOU FEEL DISCOMFORT OR ARE EXPERIENCING A MEDICAL EMERGENCY WHILE UNDERGOING OXYGEN
THERAPY, SEEK MEDICAL ASSISTANCE IMMEDIATELY TO AVOID HARM.
WARNING: WIND OR STRONG DRAUGHTS, INCLUDING AN OPEN WINDOW OR FAN, CAN ADVERSELY AFFECT ACCURATE
DELIVERY OF OXYGEN THERAPY.
WARNING: THE SETTINGS OF OTHER MODELS OR BRANDS OF OXYGEN THERAPY EQUIPMENT DO NOT CORRESPOND WITH
THE SETTINGS OF THE SAROS MODEL 4000.
WARNING: IN THE EVENT THERE IS A SERIOUS INCIDENT OCCURRING WITH THIS DEVICE, THE USER SHOULD IMMEDIATELY
REPORT THE INCIDENT TO THE PROVIDER AND/OR THE MANUFACTURER. A SERIOUS INCIDENT IS DEFINED AS AN INJURY,
DEATH, OR POTENTIAL TO CAUSE INJURY/DEATH SHOULD THERE BE A REOCCURRENCE OF THE INCIDENT. THE USER CAN
ALSO REPORT THE INCIDENT TO THE COMPETENT AUTHORITY IN THE COUNTRY WHERE THE INCIDENT OCCURRED.
WARNING: THIS PRODUCT CAN EXPOSE YOU TO CHEMICALS INCLUDING NICKEL, WHICH IS KNOWN TO THE STATE OF CALI-
FORNIA TO CAUSE CANCER. FOR MORE INFORMATION, GO TO WWW.P65WARNINGS.CA.GOV.

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CAUTION: INDICATES A HAZARDOUS SITUATION THAT, IF NOT AVOIDED, COULD RESULT IN MINOR OR MODERATE INJURY.
CAUTION: KEEP SAROS AND THE POWER CORD AWAY FROM HOT SURFACES OR OPEN FLAMES.
CAUTION: SAROS SHOULD BE LOCATED IN A WELL-VENTILATED AREA TO ALLOW FOR ADEQUATE AIR INTAKE.
CAUTION: AVOID THE INTAKE OF AIRBORNE POLLUTANTS, SMOKE AND FUMES.
CAUTION: ONLY USE THIS DEVICE WITH ACCESSORIES SPECIFIED BY, OR RECOMMENDED BY CAIRE INC.
CAUTION: IF SAROS HAS BEEN DROPPED, DAMAGED OR EXPOSED TO WATER, PLEASE CONTACT A QUALIFIED TECHNICIAN
FOR INSPECTION OR POSSIBLE REPAIR OF THE DEVICE.
CAUTION: WHEN USING SAROS IN ANY VEHICLE, BE SURE IT IS PROPERLY SECURED, BELTED OR RESTRAINED.
CAUTION: LOCATE OXYGEN SUPPLY TUBING AND ALL POWER CORDS IN A MANNER TO PREVENT TRIPPING
HAZARDS.
CAUTION: DO NOT PLACE THE SAROS IN A SMALL, ENCLOSED SPACE, SUCH AS A BATHROOM, CLOSET, BAG OR BOX WITH THE
OXYGEN CANNULA OR TUBING LEADING OUT OF THE ENCLOSED SPACE.
CAUTION: DO NOT EXPOSE THE DEVICE TO TEMPERATURES OUTSIDE OF THE SPECIFIED RANGE OF OPERATING OR STORAGE
TEMPERATURES AS THIS MAY DAMAGE THE DEVICE.
NOTE: THIS DEVICE MUST COOL FROM THE MAXIMUM STORAGE TEMPERATURE BETWEEN USES UNTIL IT IS READY FOR TEMPERATURES FOR
INTENDED USE.
NOTE: SAROS UNIT MUST BE CONSTRAINED OR MOUNTED TO PREVENT DAMAGE TO UNIT OR INJURY TO USER WHILE IN USE.
NOTE: THIS DEVICE DOES EXHAUST NITROGEN GAS. HOWEVER, THIS EXHAUST IS NOT SUFFICIENT TO DISPLACE OXYGEN IN THE OPERATING
ENVIRONMENT. NO ADDITIONAL SAFETY PRECAUTIONS NEED TO BE TAKEN TO ACCOUNT FOR THE NITROGEN EXHAUST.
NOTE: PROTECT ELECTRICAL POWER CORDS FROM SHARP EDGES OR ELECTRICAL SHOCK AND SERIOUS PHYSICAL INJURY MAY
OCCUR.
NOTE: ONLY USE THE CAIRE INC. SUPPLIED AC POWER ADAPTER AND 24 VDC CABLE WITH THE SAROS. USE OF ANY OTHER AC POWER ADAPTER
OR DC CABLE MAY BE HAZARDOUS, CAUSE SERIOUS DAMAGE TO THE SAROS AND WILL VOID THE WARRANTY.
NOTE: AVAILABILITY OF AN ALTERNATE, OR BACK-UP, SOURCE OF SUPPLEMENTAL OXYGEN IS RECOMMENDED IN CASE OF A POWER OUTAGE
OR A MECHANICAL FAILURE OF THE DEVICE.
BATTERY SAFETY
WARNING: DO NOT DISASSEMBLE, PUNCTURE, OR CRUSH THE BATTERY. BATTERY ELECTROLYTES MAY BE TOXIC IF SWAL-
LOWED AND CAN BE HARMFUL TO SKIN AND EYES. KEEP THE BATTERY AWAY FROM CHILDREN.
WARNING: DO NOT SHORT-CIRCUIT THE BATTERY’S METAL CONTACTS WITH METALLIC OBJECTS, SUCH AS KEYS OR COINS.
THIS MAY CAUSE SPARKS OR EXCESSIVE HEAT TO BE GENERATED.
WARNING: USE OF A DAMAGED BATTERY MAY CAUSE PERSONAL INJURY.

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1.0 INTRODUCTION
1.1 GENERAL INFORMATION
This manual will familiarize you with information regarding the SAROS Oxygen System, Model 4000.
INTRODUCTION
The SAROS Oxygen System, Model 4000 with autoSAT® Technology (hereafter referred to as SAROS) is a portable medical device used to
extract oxygen from the atmosphere, concentrate it to greater than 90% and ow it through the oxygen outlet port. The device will operate in
Continuous ow or Pulse ow modes. In Continuous Flow Mode the oxygen is provided at a constant ow rate of 1, 2, or 3 LPM. In Pulse
ow Mode, oxygen is supplied in a bolus at the beginning of each inspiration, providing a selectable range setting of ow between 16 ml and
96 ml, in increments of 16 ml.
SAROS is BTP (Body, Temperature, and Pressure) compensated. It delivers oxygen by accounting for difference between ambient conditions
and those found in the patient’s lungs (37°C).
SAROS operates from external AC power, 24VDC or from a rechargeable Battery. The system includes a “Smart Battery” charger that
recharges the Battery whenever the SAROS is connected to external power. The system monitors and controls both the power source and the
Battery Charger.
SAROS has a recommended ve minute warm up/stabilization period.
INTENDED USE
The CAIRE SAROS oxygen system is intended for the administration of supplemental oxygen. The device is not intended for life support nor
does it provide any patient monitoring capabilities.
WARNING: THE BATTERY MAY EXPLODE AND CAUSE POTENTIAL INJURY IF EXPOSED TO A FIRE, OR DISPOSED OF IN A FIRE.
WARNING: EXPOSING THE BATTERY TO WATER OR OTHER LIQUIDS MAY CAUSE PERSONAL INJURY.
CAUTION: DO NOT EXPOSE THE BATTERY TO TEMPERATURES ABOVE 140° F (60°C), SUCH AS IN A VEHICLE PARKED IN THE
SUN ON A HOT DAY.
CAUTION: IT IS NOT RECOMMENDED THAT THE BATTERY IS CHARGED BELOW 41° F (5° C) OR ABOVE 104° F (40° C).
CAUTION: ONLY USE THE BATTERY FOR ITS INTENDED PURPOSE.
CAUTION: PUSH LOCKING/UNLOCKING BUTTON BEFORE BATTERY INSTALLATION.

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1.2 SAROS OXYGEN SYSTEM SPECIFICATIONS
Dimensions
• With Battery / • Without Battery 26.80” long x 4.375” diameter (68.1 cm long x 11.1 cm diameter) / 23.25” long x
4.375” diameter (59.1 cm long x 11.1 cm diameter)
Weight
• With Battery / • Without Battery 12.25 pounds (5.56 kg) / 10.00 pounds (4.54 kg)
Flow Settings
• Continuous Flow / • Pulse flow 1, 2, 3 LPM / 16, 32, 48, 64, 80, 96 ml
Continuous Flow Accuracy 1LPM: +/- 0.4 LPM / 2LPM: +/- 10% / 3LPM: +/- 10%
Oxygen concentration 93% +/- 3% for all flow settings
Maximum System Pressure 15 psig (103.4 kPa)
Oxygen Output Pressure 4.0 psig (27.5 kPa) nominal
Nominal Sound Level <59 dB(A) at 3LPM
Operating Environment
• Temperature
• Humidity
32º F to 104º F (0° to 40° C)
10% to 90%, Non-condensing, 82.4°F (28°C) Maximum Dew point
Storage Environment
• Temperature / • Humidity -4º F to 140º F (-20° to 60° C) / Up to 90% Non-condensing
Transient Environmental Operating Conditions
• Temperature / • Humidity 32º F to 104º F (0° to 40° C) / Up to 90% Non-condensing
Ambient Pressure Range (620 hPa to 1060 hPa) or (-1253 ft [-381m] to 12971 ft [3953m])
Nominal Power
3 LPM Continuous Flow ≤130 Watts
Nominal Battery operating time at 3 LPM Continuous
Flow 30 Minutes
Battery Life 80% Nominal Capacity after 200 Charge/Discharge cycles
Continuous Flow Indication Expressed in liters per minute (LPM)
Audible Alarm Indicators • Loss of Power/Hot Battery
• Low Battery/Warm Battery
• Low Oxygen Concentration
• No breath detection
• O2 Flow Outside Normal Limits
• Low 9V battery
• Unit Malfunction
Audible Signal Characteristics Alarms Signal - 200 msec Beep
Info Signal - 100 msec Beep (Occurs as power-up confirmation, button push
confirmation).
Volume of all signals is fixed and are both the same volume.
Visual Alarm Indicators Yellow LED: Constant ON during alarm state / OFF when not in alarm state
Back-Up Alarm Power 9V Internal Battery
Filters Air Inlet Filter, HEPA and Exhaust Filter
Device Classification IEC Class II, Type BF Applied Part, IP33
Table 1-1. SAROS Specications

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Pulse Settings 16, 32, 48, 64, 80, 96 ml
autoSAT Technology Servo-control to maintain consistent FiO2
Trigger Sensitivity Adjustable settings of 1 (most sensitive), 2 and 3 (least sensitive)
Trigger Criteria Cannula pressure has dropped below the trigger point (typically between 0.15 – 0.45 cm of H2O of
negative pressure with a MAX trigger point of .50 cm H2O)
Minimum time between breaths 1.25 seconds (max 3 consecutive breaths)
Response to Missing Breaths Switch to Continuous Mode if no inspiration has been detected for 60 seconds with an audible
alarm.
Table 1-2. Pulse Mode Specications
Bolus Size ml (± 15%) Max Breath Rate
16 40
32 40
48 40
64 40
80 37
96 31
NOTE: At breath rate above Max Breath Rate, bolus size will be reduced proportionally.
Table 1-3. Bolus Volume and Breath Rates
AC Power Supply 24 VDC Cable
Input Voltage 100- 240 VAC, 50 – 60 Hz
115V at 400Hz
20 – 28 VDC; 24VDC (Nominal)
Input Current 2.5- 1.3A 10 A
Output Voltage 24 VDC -
Output Power 200 W -
Table 1-4. Power Accessory Specications
Output Voltage 14.6 VDC
Capacity 87.6 W-Hr
Battery Life 80% Nominal Capacity after 200 Charge/Discharge cycles
Battery Recharge Time 1.5 hours typical (3 hours max) to achieve 80% capacity from a fully discharged battery
while operating at 3 lpm
Table 1-5. Battery Specications

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List of Items Furnished
Concentrator Standard Power Sources
AC Power Adapter
(9726-1-SEQ)
AC Power Adapter Cord
(North America)
(4997-SEQ)
AC Power Adapter Cord (EU)
(4998-SEQ)
24 VDC Cable
(9727-SEQ)
Battery
(9723-SEQ;
reorder PN 20952897)
Table 1-6. SAROS
Also includes: Nasal Cannulas (2), Operator Manual, a spare HEPA and air intake lter.
No additional parts required for standard operation.

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9V Battery
(9257-SEQ)
Air Inlet Filter
(9798-SEQ)
Inlet Cover
(9758-SEQ)
Oxygen
Outlet Port
(9764-SEQ)
HEPA
Filter
(4770-SEQ)
Simplied User
Instructions
Label (behind)
Battery
Main/Rating
Label
(underneath)
SAROS Shell
2.0 INTRODUCTION TO YOUR SAROS OXYGEN SYSTEM
This operator manual will inform you about the use and care of the SAROS and its standard components. Please read thoroughly all of the
information in this manual before operating the SAROS and receive proper training on the use and care of this device.
A PHYSICIAN HAS PRESCRIBED SUPPLEMENTAL OXYGEN AS PART OF A TREATMENT PLAN TO MEET AN INDIVIDUAL’S
CLINICAL NEEDS. OXYGEN FLOW MODES AND SETTINGS SHOULD BE ADJUSTED ONLY UNDER THE ADVICE OF A PHYSI-
CIAN OR CLINICIAN. THESE SHOULD BE PERIODICALLY REASSESSED FOR THE EFFECTIVENESS OF THE THERAPY.
A representation of the major features of the SAROS hardware interface are shown below:
• Membrane Panel containing:
- Five tactile buttons allow control of all user controllable settings
- Four variable intensity LED indicators provide overall status
- An 8-character LCD display shows settings
• 9V Battery
• Oxygen Outlet Port
• External Power Connector
• Battery
• Simplied User Instructions Label
• Main / Rating Label
• Air Inlet Filter
• HEPA Filter
2.1 DESCRIPTION OF THE SAROS ASSEMBLY—SHIPPABLE
Become familiar with the key features of the SAROS and the user control panel.
ADDITIONAL PARTS
24 VDC Cable: 9727-SEQ
AC Power Supply 9726-1-SEQ and Power Cord 4997-SEQ (North America) or 4998-SEQ (EU)
Carry Strap 21495456
Figure 2-1. SAROS Components
Membrane
Panel
External
Power
Connector

Operator Manual
14 | MN255-1 C
FRONT – CONTROL PANEL BACK – SIMPLIFIED INSTRUCTIONS
TOP BOTTOM – WITHOUT BATTERY
BOTTOM WITH BATTERY
Figure 2-2. SAROS Components
Input/Output Connections
Oxygen Outlet Port: Oxygen supply tubing or a cannula is attached to this port.
Air Inlet Filter: Ambient air is drawn into the device through the air inlet located at the top of the device. This air inlet lter prevents dust /
debris from entering the SAROS and should be cleaned regularly.
External Power Connector: The SAROS AC Power Adapter or 24 VDC Cable connects to this receptacle.
Exhaust Vent: Exhaust air from the SAROS leaves the device from this vent.
Air Inlet
Oxygen
Outlet
Port
External
Power
Connector
Main/Rating
Label
Battery
Connector
Exhaust Vent
Push Button to
Release Battery

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Operator Manual
2.2 USER CONTROLS AND SYSTEM STATUS INDICATORS
The SAROS User Control Panel displays important operating information. This section will help you understand this operating information.
The SAROS has two modes: Normal and Tactical. To switch between these modes, depress Utility Button, and then the Decrease Button to
switch between TACT=ON and TACT=OFF.
Normal Mode provides all LED indications with full brightness, full audio indicator sound and LCD backlight. The system always starts up
in Normal Mode. Normal Mode is indicated by TACT=OFF.
Tactical Mode is provided for operation where noise and light may compromise a situation. In these situations, the LED indicators will be
off. Tactical Mode is indicated by TACT=ON.
Green and Yellow Indicators on the front panel indicate the operating condition of the device. For additional information on these indicators
see the Alerts, Alarms and Troubleshooting Table in this manual.
ON/OFF (Standby) and Power Indicator (Green): This button powers the device ON or powers it OFF. The Power Indicator
is illuminated when the device is powered ON and operating in the Normal Mode and off when operating in Tactical Mode.
If Power Indicator is blinking, there may be an issue with the power source. Check Alarm Section for more details.
Increase or Decrease Flow Setting Button: Use these buttons to set the ow or to make selections in the Utility Menu.
Delivery Mode Button and Indicator (Blue): The SAROS contains a button to toggle between Continuous Flow and Pulse
Flow mode. The Pulse Flow mode activates autoSAT Technology – as breath rate changes, the system adjusts to provide
a consistent bolus size. The Pulse Flow Mode allows a signicant increase in operating time when powered by a Battery.
When the Pulse Flow Mode is activated, the blue Flow Mode Indicator illuminates and a pulse of oxygen is delivered with
each inspiratory effort. When the pulse of oxygen is delivered, the ow mode indicator turns off.
ALERT (Yellow) Indicator: In Normal Mode, when illuminated, this indicates a low priority awareness condition or Cau-
tion. Continue to use your system and refer to the Alerts, Alarms, and Troubleshooting Table for the proper response.
N/A Buzzer: An audible alarm (or buzzer) is used to alert you to the operating condition of the device, including Alarm and Info
signals.

Flow Setting Indicator: This is the main focus on your control panel. A clinician will correctly set the prescribed ow for
either the CY - Continuous Flow Mode at Y LPM (1, 2 or 3) and/or the PXXX - Pulse Flow Mode XXX ml (16, 32, 48, 64,
80, 96) settings. Each time the device is turned ON, it will operate at C3 (3 LPM) continuous ow in the Normal Display
Mode.
Battery Status Gauge: This indicator displays the charge remaining in the Battery. When the Battery is fully charged all
5 gray bars are illuminated. Each gray bar represents approximately 20% of the total Battery charge. When the Battery is
being charged, the charge indicator bars will waterfall. If the Battery is not installed, or if it is improperly installed, the
Battery Status Gauge will not be illuminated and Time on Battery is not displayed.
External Power is Present Indicator (green): When the SAROS is properly plugged in and is using the AC or 24 VDC
Cable, this indicator will illuminate on the User Control Panel in Normal Mode.
“Alarm Off” indicator displayed during Tactical Mode.
Table 2-1. User Controls and Indicators

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16 | MN255-1 C
Alarm Signal
Mode Battery Status
Mode
Normal mode, Pulse Dose. P indicates Normal mode.
XX is the Pulse Dose value 16 to 96.
Tactical mode, Pulse dose. Symbol indicates Tactical
mode. XX is the Pulse Dose value 16 to 96.
Normal mode, Continuous Flow. C indicates
Continuous Flow. Y is flow level 1 to 3.
Tactical mode, Continuous Flow. Symbol indicates
Tactical mode. Y is flow level 1 to 3.
Alarm Signal
Blank fields indicate no alarm conditions present.
ZZ indicates an alarm condition is present. See Alarm
Table for alarm definitions.
Battery Status
Blank fields indicate no battery attached.
Symbol indicates battery. TT is time remaining on
battery.
Battery icon indicates battery is present and
discharging and current battery charge level. TT is
time remaining at the current battery consumption
level.
Battery icon indicates battery is present and
discharging and current battery charge level. T
indicates hour of remaining battery at current setting,
and .t indicates the tens of minutes, with 1=10
minutes, 2=20 minutes, through 5=50 minutes.
Animated (waterfall) battery icon with any charge
level and no time displayed indicates battery
charging. Animation will pause on one charge level,
which indicates current battery charge level.
Blinking battery icon indicates a battery error
condition or a battery charge level of less than 15
minutes remaining at the current setting.
Battery at full charge.
Battery at 80% charge.
Battery at 60% charge.
Battery at 40% charge.
Battery at 20% charge.
Battery at 0% charge.
Denition of LCD display screen.

MN255-1 C | 17
Operator Manual
Examples of LCD display during Normal Mode with Continuous Flow
Example of LCD Display indicates the following information: Normal mode, Continuous
Flow at 1 LPM, no alarm, battery installed, estimated time remaining 28 minutes.
Example of LCD display during Normal Mode with Pulse Flow
Example of LCD Display indicates the following information: Normal mode in pulse
ow setting, 96 is Pulse Dose 96 mL, BL indicates low battery alarm, battery installed,
time remaining.
Example of LCD display during Tactical Mode with Continuous Flow
Example of LCD Display indicates the following information: Tactical mode, continuous
ow is 3 LPM, no alarm, no battery installed.
Example of LCD display during Tactical Mode with Pulse Flow
Example of LCD Display indicates the following information: Tactical mode, 96 is Pulse
Dose 96mL, no alarm, no battery installed.

Operator Manual
18 | MN255-1 C
2.3 RECOMMENDED OPERATING ENVIRONMENTS
The following chart provides important information concerning the recommended operating environments, or operating conditions, for
optimum use of the device.
Operating Temperature See Table 1-1
Operating Humidity See Table 1-1
Transport/Storage Temperature See Table 1-1
Electrical Use no extension cords or electrical outlets controlled by a switch.
Altitude 0 - 13,000 feet (0 - 3,962 meters)
Placement DO NOT block the air inlet or the exhaust vent. Place device a minimum of 3 inches (7.5 cm) away
from walls, draperies, furniture, other equipment, etc.
Environment Must be smoke, pollutant, and fume free. Pollution Protection Degree 3 for EMS Environments.
Operating Time 24-hours per day when connected to an external AC Power Adapter or 24 VDC Cable.
Table 2-2. Recommended Operating Environments
WARNING: OPERATING THE SAROS OUTSIDE OF THE RECOMMENDED OPERATING ENVIRONMENT MAY NEGATIVELY IMPACT
DEVICE PERFORMANCE, MAY CAUSE DAMAGE TO THE DEVICE AND WILL VOID THE WARRANTY IF THIS OCCURS.
WARNING: OPERATING THE SAROS UNDER HIGH AMBIENT TEMPERATURE CONDITIONS MAY RESULT IN HIGH PRODUCT GAS
TEMPERATURE.
WARNING: USE OF THIS EQUIPMENT ADJACENT TO OR STACKED WITH OTHER EQUIPMENT SHOULD BE AVOIDED BECAUSE
IT COULD RESULT IN IMPROPER OPERATION. IF SUCH USE IS NECESSARY, THIS EQUIPMENT AND THE OTHER EQUIPMENT
SHOULD BE OBSERVED TO VERIFY THAT THEY ARE OPERATING NORMALLY.
NOTE: When moving the SAROS from an extreme temperature environment, please allow time for your device to acclimate to the recommended
operating temperature environment.
OPERATION CHARACTERISTICS AT EXTREME TEMPERATURES
SAROS has been designed to optimally operate at temperatures between 0º C – 40º C. When operating the system in environments outside
these temperatures, the system performance is characterized as follows:
The conditions below are not part of IEC60601-1 Compliance Testing.
While operating in temperatures between 0º C to 40º C, SAROS is capable of maintaining ow and purity in continuous and pulse ow
modes, while operating on all power sources with the exception of Battery charging.
While operating in temperatures above 40ºC the purity of the oxygen may fall below 90% and the operating time on the battery may be
reduced. If SAROS is operating on external power at this temperature, the system may not transition to battery operation due to the safety
circuit in the Battery being too hot. During discharge, the SAROS software will shut the system down if internal battery cell temperature
exceeds 59°C. While the Battery is charging, software will interrupt charger operation when the internal battery temperature exceeds 40°C or
temperature is less than 5°C.
THE PROPER LOCATION
Select a location for the device that avoids the intake of smoke, fumes and pollutants. Correct placement of the device should allow intake of
air through the air inlet lter at the top and allow exhaust air to freely leave the exhaust vent at the bottom of the device.
Locate the device such that the alarms can be heard and position the oxygen supply tubing in such a way that it does not kink or occlude.
Keep the SAROS at least ve (5) feet (1.5 m) away from hot, sparking objects or open ames.
DO NOT locate the device near ammable materials or cleaning agents or in the direct path of any heat source, such as a stove, range, heat
register or vehicle heater.

MN255-1 C | 19
Operator Manual
3.0 PREPARATION FOR USE AND INSTALLATION
Pre-Delivery Check List
Before delivering the device, check and log the status of the following:
Parts Inventory – Verify that each SAROS is provided with the following items:
• SAROS Concentrator
• AC Power Cord
• AC Power Adapter
• 24 VDC Cable
• Battery
• Nasal Cannulas (2)
• Operator Manual
• Spare Filter Set
3.1 BATTERY INSTALLATION ONTO SAROS
1. Remove connector and pin caps.
2. Press the Latching Pin Release Button inward on the bottom of the Battery prior to installing onto the SAROS.
NOTE: It is important to depress the latching pin release button prior to installation.
3. Insert the Battery onto the SAROS by aligning the Battery Connector of the Battery into the connector opening at the bottom of the unit.
Battery is properly engaged when the latch pin is snapped into place.
Figure 3-1. Battery Installation
3.2 LOCATING THE SAROS
Place the SAROS in a well-ventilated area. Be sure the air inlet and exhaust vent are not obstructed.
Position the SAROS so all audible and visual indicators or alarms can be easily seen and heard.
Connect the AC Power Adapter to External Power Receptacle located on top of the device and plug the device into a grounded AC Power
outlet, connect to a DC Power source with the 24 VDC Cable, or be sure there is a fully charged Battery installed.
Latching Pin
Release
Button
Battery
Connector
Battery Connector of
SAROS
Battery
Test Button

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20 | MN255-1 C
4.0 OPERATING INSTRUCTIONS
BEFORE OPERATING
This Operator & Service Manual serves as your reference to help you operate and maintain the device. If you have any questions or concerns
please contact a qualied representative, or CAIRE Inc.
WARNING: PROTECT THE SAROS AND THE AC POWER ADAPTER AND 24 VDC CABLE FROM ALL FLUID SPILLS OR FLUID DRIPS
TO AVOID POSSIBLE SHOCK HAZARDS.
WARNING: USE OF ACCESSORIES, TRANSDUCERS AND CABLES OTHER THAN THOSE SPECIFIED OR PROVIDED BY THE
MANUFACTURER OF THIS EQUIPMENT COULD RESULT IN INCREASED ELECTROMAGNETIC EMISSIONS OR DECREASED ELEC-
TROMAGNETIC IMMUNITY OF THIS EQUIPMENT AND RESULT IN IMPROPER OPERATION.
WARNING: DO NOT LUBRICATE FITTINGS, CONNECTIONS, TUBING, OR OTHER ACCESSORIES OF THE OXYGEN CONCENTRATOR
TO AVOID THE RISK OF FIRE AND BURNS.
CAUTION: Always check that the air inlet and the exhaust vent of the device are not blocked and the air inlet filter is clean
before using your device.
POWERING ON YOUR SAROS
The SAROS comes complete with the concentrator, AC Power Adapter, power cord, 24 VDC Cable, Battery, and extra lters. The SAROS
is a lightweight portable and stationary source of supplemental oxygen. The device is capable of being operated directly from three different
power sources: AC power adapter, DC power supply, and battery. To power the SAROS on, connect a source of power and press and hold the
ON/OFF button for 2–3 seconds.
GENERAL CHARGING INFORMATION
The SAROS charges the Battery when external power (AC or DC) is present and when the Battery temperature is below a safe charging
temperature. When external power is disconnected, the device will automatically switch over to the Battery, if installed and charged. When
external power is restored, by plugging into an AC or DC outlet, the device will accept power from the external power source and recharge
the Battery while operating the device if adequate AC or DC power is available.
WARNING: DO NOT TOUCH THE POWER CONNECTOR ON THE BOTTOM OF THE UNIT WITH THE BATTERY REMOVED AND WHEN
THE DEVICE IS CONNECTED TO AN EXTERNAL AC OR DC POWER SOURCE.
AC POWER ADAPTER
The SAROS includes a universal AC Power Adapter for use wherever standard AC power is available. To connect to an AC power source, be
sure the AC Power Adapter device cord is securely inserted into the recessed power receptacle on the top of the device and that the AC power
cord from the AC Power Adapter is plugged into an AC outlet. When the device is plugged in properly, the External Power is Present Indica-
tor will appear on the user control panel in Normal Mode.
CAUTION: The AC power cords used with the SAROS must meet the electrical requirements of the country where the device
is used.
CAUTION: Use only with CAIRE Inc. supplied power cords.
DC POWER SUPPLY
A 24 VDC Cable allows the system to operate from DC outlets, such as those found in vehicles. Start the vehicle. Insert the 24 VDC cable
into the power receptacle on the top of the device. Next, insert the 24 VDC Cable plug into the DC power outlet in your vehicle. When the
device is properly connected and receiving power from the DC power source, a green indicator light on the External Power is Present Indica-
tor, on the control panel will illuminate in Normal Mode.
WARNING: SECURE THE SAROS AND THE DC POWER SUPPLY IN YOUR VEHICLE AND BE SURE THERE IS ADEQUATE AIR FLOW
TO THE DEVICE AND THAT THE AIR INLET AND EXHAUST VENTS ARE NOT BLOCKED. BLOCKING OF THE AIR INLET OR EXHAUST
VENT MAY IMPAIR DEVICE PERFORMANCE.
WARNING: DO NOT LEAVE THE SAROS OR 24 VDC CABLE PLUGGED INTO THE VEHICLE WITHOUT THE ENGINE RUNNING
OR ATTEMPT TO START THE VEHICLE WHILE THE DC CABLE IS CONNECTED TO THE VEHICLE. DOING SO WILL DRAIN THE
VEHICLE’S BATTERY.
WARNING: IF THE VEHICLE’S DC POWER SOURCE DROPS BELOW 20.0 VOLTS (BROWNOUT CONDITION) THE SAROS WILL
REVERT TO BATTERY OPERATION IF THE BATTERY IS PRESENT.