ResMed Positive AirwAy Pressure Device S8 Auto 25 User manual

S8™ Auto 25
Positive AirwAy Pressure device
User Guide
English

English
S8™ Auto 25
POSITIVE AIRWAY PRESSURE DEVICE
User Guide
English
ResMed Ltd (Manufacturer) 1 Elizabeth Macarthur Drive Bella Vista NSW 2153 Australia
ResMed Corp (US Designated Agent) 14040 Danielson Street Poway CA 92064-6857 USA
ResMed (UK) Ltd (EU Authorised Representative) 96 Milton Park Abingdon Oxfordshire OX14 4RY UK
ResMed Offices Australia, Austria, Belgium, Brazil, China, Finland, France, Germany, Greece, Hong Kong, India, Ireland, Italy, Japan, Malaysia,
Mexico, Netherlands, New Zealand, Norway, Portugal, Singapore, South Africa, Spain, Sweden, Switzerland, UK, USA (see www.resmed.com
for contact details).
Protected by patents: AU 691200, AU 697652, AU 699726, AU 702820, AU 709279, AU 713679, AU 724589, AU 764761, EP 0651971, EP 0661071,
EP 0858352, EP 0920845, EP 0927538, EP 0934723, JP 3638613, US 5199424, US 5245995, US 5522382, US 5704345, US 6138675, US 6213119,
US 6240921, US 6363933, US 6367474, US 6425395, US 6502572, US 6591834, US 6675797, US 6705315, US 6745768, US 6817361, US 6988498,
US 7040317, US 7100608. Other patents pending.
Protected by design registrations: AU 302180, AU 302181, AU 302182, AU 302183, AU 302184, AU 302185, AU 302186, CN 200430121211.8,
CN 200430121212.2, CN 200430121213.7, CN 200430121214.1, CN 200430121215.6, CN 200430121216.0, CN 200430121217.5, EU 269436,
HK 0412901.9, JP 1248040, JP 1257662, JP 1257663, JP 1266956, JP 1266957, JP 1267270, JP 1267271, NZ 405614, NZ 406923, NZ 406924,
NZ 406925, NZ 406926, NZ 406927, NZ 406928, US D544598, US D557406, US D557407, US D560795, US D561891. Other designs pending.
S8 is a trademark of ResMed Ltd.
© 2008 ResMed Ltd. 268223-Eng/1 08 09

Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Contraindications 1
Adverse Effects 1
The S8 Auto 25 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Masks 2
Humidifier 2
ResScan Data Card 2
Using the S8 Auto 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Setting up your S8 3
Attaching a H4i Humidifier 4
How to Use the Control Panel 4
Using the Menus 4
SmartStart™ 6
Starting Treatment 7
Stopping Treatment 7
Using the Mask-Fitting feature 7
Reminders on the S8 LCD 8
Smart Data™ 8
Using the Data Card 9
Cleaning and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Daily 10
Weekly 10
Monthly 10
Replacing the Air Filter 11
Servicing 11
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Symbols Which Appear On The Device 15
General Warnings and Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1Introduction
English
Introduction
The S8TM Auto 25 self adjusting sleep apnoea system is indicated for the treatment
of obstructive sleep apnoea (OSA) in patients > 30 kg. The S8 Auto 25 is intended for
home and hospital use.
Contraindications
The S8 Auto 25 is not a life support device and may stop operating during power
failure or certain fault conditions. It should not be used by patients who are
dependent on continuous therapy.
Positive airway pressure therapy may be contraindicated in some patients with the
following pre-existing conditions:
•severe bullous lung disease
•pneumothorax
•pathologically low blood pressure
•dehydration
•cerebrospinal fluid leak, recent cranial surgery or trauma.
Adverse Effects
Patients should report unusual chest pain, severe headache or increased
breathlessness to their prescribing physician. An acute upper respiratory tract
infection may require temporary discontinuation of treatment.
The following side effects may arise during the course of therapy with the device:
•drying of the nose, mouth or throat
•nosebleed
•bloating
•ear or sinus discomfort
•eye irritation
•skin rashes.
!
WARNING
Read the entire manual before using this S8 device.
The S8 Auto 25 System
The S8 Auto 25 has two treatment modes, CPAP and VAuto, and comprises the
following elements:
•S8 Auto 25 device
•2 m air tubing
•Power cord
•Travel bag
•ResScan™ Data Card.
Optional components include:
•3 m air tubing
•DC/DC Converter 24V/50W.

2
Masks
The following ResMed mask systems are recommended for use with this device:
For information on using masks, see your mask manual. For the latest available
masks, see www.resmed.com.
Humidifier
If you are experiencing dryness of the nose, throat or mouth, the H4i heated
humidifier is recommended for use with the S8 Auto 25.
!
WARNING
•Only ResMed mask systems have been validated for use with this S8 device.
•Only the H4i is compatible for use with this S8 device.
ResScan Data Card
The ResScan Data Card may be used with the S8 Auto 25 to help your clinician
monitor your treatment or to provide you with updates to your device settings.
Screen
Keypad
Air outlet DC
AC
Air inlet
Data Card
module
Carry handle
Mask Type Name
Nasal Masks • Mirage Vista™ Nasal Mask
• Ultra Mirage™ Nasal Mask
• Ultra Mirage™ II Nasal Mask
• Mirage Activa™ Nasal Mask
• Mirage Micro™ Nasal Mask
Nasal Pillows Systems • Mirage Swift™ Nasal Pillows System
• Mirage Swift™ II Nasal Pillows System
• Swift™ LT Nasal Pillows System
Full Face Masks • Mirage™ Liberty Full Face Mask
• Mirage™ Quattro Full Face Mask
• Ultra Mirage™ Full Face Mask

3Using the S8 Auto 25
English
Using the S8 Auto 25
Setting up your S8
1Connect the power cord to the socket at the rear of your S8 Auto 25.
2Plug the other end of the power cord into the power outlet.
3Connect one end of the air tubing firmly onto the air outlet.
4Connect the assembled mask system to the free end of air tubing.
For information on assembling your mask, see your mask manual.
!
WARNING
•Make sure the power cord and plug are in good condition and the
equipment is not damaged.
•Only ResMed air tubing should be used with the device. A different type of
air tubing may alter the pressure you actually receive, reducing the
effectiveness of your treatment.
•Blocking the hose and/or air inlet of the device while in operation could lead
to overheating of the device.
!
CAUTION
•Be careful not to place the device where it can be bumped or where
someone is likely to trip over the power cord.
•If you put the device on the floor, make sure the area is free from dust and
clear of bedding, clothes or other objects that could block the air inlet.
1
2
34

4
Attaching a H4i Humidifier
The H4i humidifier attaches to the front of the S8 Auto 25 device to provide heated
humidification. This device automatically detects the presence of the H4i and no other
accessories are required for its use. For more information on using your H4i, please
refer to the H4i user guide.
!
WARNING
•Make sure that the water chamber is empty and thoroughly dried before
transporting the H4i.
•When using the travel bag, always separate the S8 unit and the H4i and
place the H4i in its pouch.
How to Use the Control Panel
The control panel of your S8 device includes an LCD screen which displays the
menus and treatment screens as well as a keypad for navigating through the menus
and delivering treatment. The keypad has the following keys:
LCD screen
Keypad
Start/Stop Key
Key Function
Start/Stop Starts or stops treatment. Extended hold for at least three seconds
starts the mask-fit feature.
Up Allows you to increase settings options and scroll through the
menu.
Down Allows you to decrease settings options and scroll through the
menu.
Left Performs the function indicated by the guiding text displayed above
it on the LCD screen. Guiding text includes menu, change, and
apply.
Right Performs the function indicated by the guiding text displayed above
it on the LCD screen. Guiding text includes exit and cancel.

5Using the S8 Auto 25
English
Using the Menus
The S8 Auto 25 provides a set of functions which are arranged in menus and
submenus. Via the LCD screen, the menus and submenus allow you to view and
change the settings for a particular function. To navigate and make selections:
1Press or to scroll through items within a level.
2Press to enter a submenu and to apply an option choice.
3Press to navigate out of a menu or submenu and to exit without changing
options.
Your clinician has preset the menu to either a standard view or a detailed view. The
following illustration summarises these views:
SETTLE: 10min
menu
WELCOME
>>>>>>
00006/00012 days
USED: 00090hrs
SW: SX459-0200
exit
MASK: ULTRA
change exit SETTINGS
enter exit
RESULTS
enter exit
enter exit
OPTIONS
TUBE LENGTH: 2m
change exit
S MARTSTART: OFF
exit
MASK: ULTRA
change exit
LEAK ALER T: ON
change exit
LANGUAGE:ENGLISH
change exit
SMART DATA
enter exit
enter exit
SERVICING
SW: SX459-0200
exit
SN: 20080102356
exit
AUTO APPEAR: ON
change exit
SMART DATA
enter exit
USED: 00090hrs
00003/00122days
MASK FIT: *****
excelnt exit
PRESSURE: 8.0
exit
USAGE: 4.00hrs
exit
EXHALATION
change
exit EXHALATION
change exit
VAuto mode
example
Standard View Detailed View
These menus only appear
if your clinician has
enabled Exhalation or
Smart Data.

6
How to Select the Mask Type
Scroll to MASK and select . Press or until you see the setting
you require. The following table shows the setting that should be selected for each
mask:
How to change the EPR level (CPAP mode)
Expiratory Pressure Relief (EPR) can be used to help ease any discomfort you may
experience when breathing out during treatment. If your clinician has allowed access
you can change the EPR level. There are four settings: OFF; 1 (lowest EPR); 2; and 3
(highest EPR).
1On the standby (RAMP) screen, press .
2Press until you see EPR LEVEL, then press .
3Press or until you see the setting that you require.
4Press to save the setting.
How to change the Exhalation rate (VAuto mode)
If enabled by the clinician, you can adjust the Exhalation rate so that the rate of
pressure drop is at a level that is most comfortable for you. There are three settings:
Fast; Medium; and Slow.
1On the standby (SETTLE) screen, press .
2Press until you see EXHALATION, then press .
3Press or until you see the setting that you require.
4Press to save the setting.
SmartStart™
If your clinician has enabled SmartStart/Stop, your device will start automatically
when you breathe into your mask and stop automatically when you take your mask
off.
Settings Mask
ULTRA Ultra Mirage Nasal Mask
Ultra Mirage II Nasal Mask
MIR FULL Mirage Liberty Full Face Mask
Mirage Quattro Full Face Mask
Ultra Mirage Full Face Mask
ACTIVA Mirage Activa Nasal Mask
SWIFT Mirage Swift Nasal Pillows System
Mirage Swift II Nasal Pillows System
Swift LT Nasal Pillows System
STANDARD Mirage Vista Nasal Mask
Mirage Micro Nasal Mask
MIRAGE Mirage Nasal Mask

7Using the S8 Auto 25
English
Starting Treatment
1Make sure the power is on.
The product name is displayed briefly on the LCD screen, then the standby (Ramp)
screen appears. The key and LCD backlights also turn on.
2Fit your mask as described in the mask user instructions.
!
WARNING
A mask should not be used unless your S8 Auto 25 is turned on and operating
properly.
3Alter the ramp time if required.
4To start therapy, simply breathe into the mask or press .
5Lie down and arrange the air tubing so that it is free to move if you turn in your sleep.
6After starting therapy, an introductory treatment screen will display:
Stopping Treatment
To stop treatment at any time, remove your mask and press . If your clinician
has enabled SmartStart/Stop, simply remove your mask and treatment will end.
Note: SmartStart/Stop does not operate if:
•you have a Full Face Mask; or
•Leak Alert is enabled.
Using the Mask-Fitting feature
The S8 Auto 25 includes a mask-fitting feature to help you fit your mask properly. The
mask-fitting feature delivers air pressure for a three-minute period, prior to starting
treatment, for checking and adjusting your mask fit to minimise leaks.
To use the mask-fitting feature:
1Fit your mask as described in the mask user instructions.
2Hold down for at least three seconds until air pressure delivery starts and
the following screen appears:
LK: 10L/min RR: 15
MV: 10.2 VT: 680
VA:SETL 4.0-10.0
A>>>> PS 6.0
S**TiMn TiMx 2.0
Ti 1.5s 1: 1.6
SpO2: 98%
HR : 60 exit
This screen only displays if
ResLink and an oximeter are
connected
Inspiration information
Leak and breath information
Mode and pressure display
VAuto
mode
example
Mask-fit star rating
MASK FIT:
excelnt
*****