ResMed stellar series User manual

User Guide
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User guide
Non-invasive/invasive ventilators
Μη επεμβατικές/επεμβατικές συσκευές αερισμού
Respiratory nieinwazyjne/inwazyjne
Non-invazív/invazív lélegeztetőkészülékek
Non-invaziv/invaziv ventilatörler
Neinvazivní/invazivní ventilátory

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ENGLISH
Contents
Introduction......................................................................................................................................1
Indications for use ......................................................................................................................1
Contraindications ........................................................................................................................1
Adverse effects ..........................................................................................................................1
Stellar at a glance............................................................................................................................1
Patient interface .........................................................................................................................2
Humidification.............................................................................................................................2
Internal battery............................................................................................................................2
ResMed USB stick .....................................................................................................................3
Use on an aircraft .......................................................................................................................3
Mobile use ..................................................................................................................................3
Remote Alarm.............................................................................................................................3
Setting up for noninvasive use .....................................................................................................3
Attaching the H4i heated humidifier for noninvasive use .........................................................4
Setting up for invasive use ............................................................................................................4
Using the Stellar device for the first time ....................................................................................6
Working with other optional accessories.....................................................................................6
Attaching the pulse oximeter .....................................................................................................6
Adding supplemental oxygen.....................................................................................................6
Using the FiO2 monitoring sensor .............................................................................................7
Attaching a bacterial/viral filter ...................................................................................................7
Using water traps .......................................................................................................................8
Stellar basics....................................................................................................................................8
About the control panel ..............................................................................................................8
LCD screen .................................................................................................................................9
Starting therapy...............................................................................................................................9
Performing a functional test.......................................................................................................9
Starting therapy ........................................................................................................................10
Stopping therapy ......................................................................................................................10
Turning off the power...............................................................................................................11
Working with alarms ................................................................................................................11
Tailoring treatment setup options ............................................................................................11
Using mask-fit...........................................................................................................................12
Using the menus ...........................................................................................................................13
Setup menu....................................................................................................................................14
Setup menu: Clinical Settings (Mask Type) .............................................................................14
Setup menu: Alarm Settings (Alarm Volume)..........................................................................14
Setup menu: Options ...............................................................................................................14
Setup menu: Configuration Menu ...........................................................................................15
Info menu .......................................................................................................................................16
Event Summary ........................................................................................................................16
Used Hours ...............................................................................................................................16
Device Information ...................................................................................................................16
Reminders.................................................................................................................................16
Data management.........................................................................................................................17
Cleaning and maintenance ..........................................................................................................17
Daily ..........................................................................................................................................17
Weekly ......................................................................................................................................18

ii
Monthly ....................................................................................................................................18
Replacing the air filter .............................................................................................................. 18
Disinfection ..............................................................................................................................18
Multipatient use .......................................................................................................................18
Servicing ...................................................................................................................................19
Troubleshooting ...........................................................................................................................19
Alarm troubleshooting ............................................................................................................. 19
Other troubleshooting ..............................................................................................................22
Technical specifications ............................................................................................................... 24
Symbols....................................................................................................................................26
Environmental information.......................................................................................................26
General warnings and cautions .................................................................................................. 27
Limited warranty...........................................................................................................................29

English 1
Introduction
Read the entire manual before using the device. This User Guide is for a non-clinician user, and does not
contain all the information provided in the Clinical Guide.
Indications for use
The Stellar 100/150 is intended to provide ventilation for non-dependent, spontaneously breathing adult
and paediatric patients (13 kg and above) with respiratory insufficiency, or respiratory failure, with or
without obstructive sleep apnoea. The device is for noninvasive use, or invasive use (with the use of the
ResMed Leak Valve). Operation of the device includes both stationary, such as in hospital or home, or
mobile, such as wheelchair usage.
Contraindications
The Stellar is contraindicated in patients who are unable to endure more than brief interruptions in
ventilation. The Stellar is not a life support ventilator.
If you have any of the following conditions, tell your doctor before using this device:
•pneumothorax or pneumomediastinum
•pathologically low blood pressure, particularly if associated with intravascular volume depletion
•cerebrospinal fluid leak, recent cranial surgery or trauma
•severe bullous lung disease
•dehydration.
The use of the Stellar or pulse oximetry (including XPOD) is contraindicated in an MRI environment.
AutoEPAP1is contraindicated for invasive use.
1This feature is not available in all countries.
Adverse effects
You should report unusual chest pain, severe headache or increased breathlessness to your prescribing
physician.
The following side effects may arise during the course of noninvasive ventilation with the device:
•drying of the nose, mouth or throat
•nosebleed
•bloating
•ear or sinus discomfort
•eye irritation
•skin rashes.
Stellar at a glance
Refer to illustration A.
1. Handle
2. Air outlet
3. Infrared connection for humidifier
4. H4i connector plug and AC connection
5. Air filter cover
6. Oxygen inlet
7. XPOD pulse oximeter connection
8. FiO2 sensor connection
9. Data port for USB stick
10.Remote Alarm connection2
11.Data port for direct PC connection
12.DC power socket
13.AC power socket
14.Power-on/stand-by switch
The Stellar comprises:
• Stellar device • Hypoallergenic air filter • AC power cord • Carry bag • 2 m air tubing • ResMed USB
stick • Low pressure oxygen connector.
2Remote alarm connection is product model dependent.

2
The following optional components are compatible with Stellar:
• 3 m air tubing • SlimLine™air tubing • Clear air tubing (disposable) • H4i™heated humidifier
• Bacterial/viral filter • Heat moisture exchanger filter (HMEF) • ResMed XPOD oximeter • Nonin™pulse
oximetry sensors • FiO2monitoring kit (external cable, T-piece adapter) • FiO2monitoring sensor • Stellar
Mobility bag • ResMed Leak Valve • Tubing wrap • Stellar DC/DC converter.
WARNING
The Stellar should only be used with air tubing and accessories recommended by ResMed.
Connection of other air tubing or accessories could result in injury or damage to the device.
For information on compatible accessories for this device, see the ventilation accessories on
www.resmed.com/accessories.
Patient interface
Both masks and tracheostomy tubes can be used with Stellar. To set the patient interface type go to the
Setup menu, select Clinical Settings, then Advanced Settings.
For information on using masks, see the mask manual. For a full list of compatible masks for this device,
see the Mask/Device Compatibility List on www.resmed.com/downloads/devices. If you do not have
internet access, please contact your ResMed representative.
Humidification
A humidifier is recommended especially for patients experiencing dryness of the nose, throat or mouth.
For information on using a humidifier as part of:
•noninvasive ventilation, refer to Setting up for noninvasive use (see page 3).
•invasive ventilation, refer to Setting up for invasive use (see page 4).
Internal battery
CAUTION
Over time, the capacity of the internal battery will decrease. This depends on individual use and
ambient conditions. As the battery degrades, the battery charge level indicator may lose accuracy.
This will mean battery-related and system alarms may not activate as intended. ResMed
recommends the battery be tested after two years to assess the remaining battery life. Testing and
replacement of the internal battery should only be performed by an authorised service agent.
Note: The battery duration depends on the state of charge, the environmental conditions, the condition
and age of battery, the device settings and the patient circuit configuration.
In case of a mains power disruption, the device will operate using the internal battery if there is no external
battery connected to the device. The internal battery will operate for approximately three hours under
normal conditions (refer to Technical specifications (see page 24)). The power status of the battery is
displayed on top of the LCD screen. Check the battery status regularly while operating the device with the
internal battery and connect the device in time to mains power or alternatively to the external battery.
Additionally the Internal battery use alarm will be displayed. Press the Alarm mute button to clear the
alarm.
To recharge the internal battery, connect the device to mains power.
It can take up to four hours to fully recharge the internal battery, however, this can vary depending on
environmental conditions and if the device is in use.
Maintenance
The internal battery has to be discharged and recharged every six months.
1. Remove the power cord while the Stellar is turned on (stand-by or in operation) and let the device
operate with the internal battery to a charge level of 50%.
2. Reconnect the power cord to the mains power. The internal battery will be fully recharged.
Storing
If the device is stored for a longer period the internal battery should be at the charge level of approximately
50% to increase the durability.

English 3
Note: Check the charge level every six months, if necessary recharge the internal battery to a charge level
of 50%.
Battery run time
For information on the internal battery run time, refer to the Battery/Device Compatibility List in
www.resmed.com/downloads/devices.
ResMed USB stick
A ResMed USB stick may be used with the device either to help the clinician to monitor your treatment or
to provide you with updated device settings. For more information, refer to Data management (see page
17).
Use on an aircraft
ResMed confirms that the Stellar can be used during all phases of air travel without further testing or
approval by the airline operator. Refer to Technical specifications (see page 24).
Mobile use
The Stellar Mobility bag allows the Stellar to be used in mobile situations, eg, in a wheelchair. For setup
and correct use, see the Stellar Mobility Bag User Guide. For extended mobile use, the ResMed Power
Station II external power supply unit can be used as an additional power source. Limitations apply to the
use of oxygen with the Stellar Mobility Bag. For more information, contact your local ResMed
representative.
Remote Alarm
The Remote Alarm may be used to transfer audible and visual alarms by a direct cable connection. For
more information on using the Remote Alarm, see the Remote Alarm user guide.
Setting up for noninvasive use
WARNING
•The air filter cover protects the device in the event of accidental liquid spillage onto the device.
Ensure that the air filter and air filter cover are fitted at all times.
•Make sure that all the air inlets at the rear of the device and under the device and vents at the
mask are unobstructed. 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 inlets.
•Hoses or tubes must be non-conductive and antistatic.
•Do not leave long lengths of the air tubing or the cable for the finger pulse sensor around the top
of your bed. It could twist around your head or neck while you are sleeping.
CAUTION
•Be careful not to place the device where it can be bumped or where someone is likely to trip over
the power cord.
•Make sure the area around the device is dry and clean.
Notes:
•ResMed recommends using the AC power cord supplied with the unit. If a replacement power cord is
required, contact your ResMed Service Centre.
•Place the device on a flat surface near the head of the bed.
Refer to illustration B.
1. Connect the power cord.
2. Plug the free end of the power cord into a power outlet.
3. Attach the H4i heated humidifier to the front of the Stellar.
If the H4i is not in use, and if applicable, connect the bacterial/viral filter firmly onto the air outlet of the
device (refer to Attaching a bacterial/viral filter (see page 7)).

4
Note: Other external humidifiers can be used for noninvasive setup. ResMed recommends using a
breathing system (including bacterial/viral filter, air tubings, external humidifier) with an impedance of
maximum 2 cm H2O at 30 L/min, 5 cm H2O at 60 L/min and 16 cm H2O at 120 L/min.
4. Connect one end of the air tubing firmly onto the air outlet of the H4i.
5. Connect the mask system to the free end of the air tubing.
6. Press the power switch on the back to turn on the device.
7. Select the mask type (select Setup menu, then Clinical Settings, then Advanced Settings).
8. Perform Learn Circuit (refer to Setup menu: Options (see page 14)).
Attaching the H4i heated humidifier for noninvasive use
Use of the H4i heated humidifier may be recommended by your clinician. For information on using the H4i,
see the H4i user guide.
WARNING
•Always place the H4i on a level surface below the level of the patient to prevent the mask and
tubing from filling with water.
•Make sure that the water chamber is empty and thoroughly dried before transporting the
humidifier.
•The H4i heated humidifier is not intended for mobile use.
•Do not overfill the water chamber, as during use this will cause water to spill into the air circuit.
Check the air circuit regularly for accumulated water. If you observe water has spilled into the air
circuit, clear the water and check that the water chamber is not overfilled. When using the H4i at
high pressures (above 25 cm H2O) the use of a water trap will avoid water spillage back into the
air circuit.
•For optimal accuracy and synchrony, perform a Learn Circuit with a change of the circuit
configuration, in particular when adding or removing high impedance components (eg,
bacterial/viral filter, external humidifier, water trap, nasal pillow type mask or air tubing). Refer to
Setup menu: Options (see page 14).
CAUTION
Check the air circuit for water condensation. Use a water trap or a tubing wrap if humidification is
causing water condensation within the tube.
Notes:
•A humidifier increases resistance in the air circuit and may affect triggering and cycling, and accuracy of
display and delivered pressures. Therefore perform the Learn Circuit function (refer to Setup menu:
Options (see page 14)). The device adjusts the airflow resistance.
•The heating feature of the H4i is disabled when the device is not mains powered.
Setting up for invasive use
The Stellar can be used invasively only with the ResMed Leak Valve, or using an uncuffed or deflated cuff
tracheostomy tube with the ResMed Leak Port (24976).
AutoEPAP is contraindicated for invasive use.
WARNING
•Make sure that all the air inlets at the rear of the device and under the device and vents at the
mask or at the ResMed Leak Valve are unobstructed. 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
inlets.
•When using a Heated Moisture Exchange Filter (HMEF), replace the HMEF regularly as specified
in the instructions provided with the HMEF.
•The H4i is contraindicated for invasive use. An external humidifier approved for invasive use is
recommended according to EN ISO 8185 with an absolute humidity of >33 mg/L.

English 5
•For optimal accuracy and synchrony, perform a Learn Circuit when a new circuit is used or with a
change of the circuit configuration, in particular when adding or removing high impedance
components (eg, bacterial/viral filter, external humidifier, water trap or different type of air
tubing). Do not connect patient interfaces prior to performing the Learn Circuit. Patient interfaces
include any components placed after the ResMed Leak Valve (eg, HMEF, catheter mount,
tracheostomy tube). Refer to Setup menu: Options (see page 14).
•Only use HMEFs that comply with the relevant safety standards, including ISO 9360-1 and
ISO 9360-2.
CAUTION
When using a humidifier check the breathing system regularly for accumulated water.
Notes:
•When the Mask type is set to Trach, the Non-Vented Mask alarm will be automatically enabled to alert
you when the ResMed Leak Valve has no vent holes or when the vent holes are blocked.
•When the Mask Type is set to Trach, AutoEPAP has to be turned off.
Refer to illustrations C and F.
1. Connect the power cord.
2. Plug the free end of the power cord into a power outlet.
3. Connect the bacterial/viral filter firmly onto the air outlet of the device.
4. Connect the external humidifier to the other side of the bacterial/viral filter.
*If not using an external humidifier, the HMEF can be connected to the ResMed Leak Valve (at step
10).
5. Connect the air tubing to the external humidifier.
6. Connect the ResMed Leak Valve to the air tubing. Position the ResMed Leak Valve so that air from the
vent holes does not blow directly onto the patient's chest.
WARNING
Always set up the ResMed Leak Valve in the breathing circuit with the arrows and the symbol
pointing in the direction of air flow from the Stellar to the patient.
7. Press the power switch on the back to turn on the device.
8. Select the mask type Trach (select Setup menu, then Clinical Settings, then Advanced Settings).
9. Perform a Learn Circuit (refer to Setup menu: Option (see page 14)) according to the following setup
illustrations.
Without an external humidifier
Refer to illustration D.
1. Bacterial/viral filter
2. Air tubing
3. ResMed leak valve
With an external humidifier
Refer to illustration E.
1. Bacterial/viral filter
2. Air tubing
3. External humidifier
4. ResMed leak valve
10.If an external humidifier is not being used, you can connect the HMEF to the patient side of the
ResMed Leak Valve.
11.Connect the catheter mount.
** The ResMed Leak Valve or the HMEF can be connected to standardised tracheostomy interfaces
including connector pieces like catheter mounts.
The catheter mount and the external humidifier are not part of the ResMed component.

6
Using the Stellar device for the first time
When using the Stellar device for the first time, ensure that all components are in working condition and
perform a functional test (refer to Performing a functional test (see page 9)). Alarms should also be
checked by the physician when setting up a new patient (see Clinical Guide).
Working with other optional accessories
Attaching the pulse oximeter
Use of a pulse oximeter may be recommended by your clinician.
Both the SpO2and pulse rate are logged at a sample rate of 1 Hz.
The optional SpO2sensor is calibrated for the display of functional oxygen saturation.
The Disconnected XPOD alarm will activate if the pulse oximeter is connected during therapy and an
interruption to its data transfer occurs for more than 10 seconds.
For part numbers of compatible oximeter accessories for this device, see the ventilation accessories on
www.resmed.com/accessories. For information on how to use these accessories, refer to the user guide
that comes with these accessories.
WARNING
•Pulse oximeter sensors must not be used with excessive pressure for prolonged periods as this
can cause patient pressure injury.
•The pulse oximeter sensor and cable needs to be verified for compatibility with Stellar,
otherwise, patient injury can result.
Contraindication
The pulse oximeter does not meet the defibrillation-proof requirement as per IEC 60601-1: 1990, clause
17.h.
Refer to illustration G.
1. Connect the plug of the finger pulse sensor to the plug of the pulse oximeter.
2. Connect the plug of the pulse oximeter at the rear of the device.
To view the oximetry values, from the Monitoring menu, select Monitoring.
Adding supplemental oxygen
Oxygen may be prescribed by your clinician.
Note: Up to 30 L/min can be added.
WARNING
•Oxygen flow must be turned off when the device is not operating, so that unused oxygen does
not accumulate within the device and create a risk of fire.
•Use only certified, clean oxygen sources.
•ResMed strongly recommends adding oxygen into Stellar's oxygen inlet at the rear of the device.
Entraining oxygen elsewhere, ie into the breathing system via a side port or at the mask, has
potential to impair triggering and accuracy of therapy/monitoring and alarms (eg, High Leak
alarm, Non-vented mask alarm). If used in this way, therapy and alarm operation must be verified
each time oxygen flow is adjusted.
•Oxygen supports combustion. Oxygen must not be used while smoking or in the presence of an
open flame. Only use oxygen supply in well-ventilated rooms.
•The breathing system and the oxygen source must be kept at a minimum distance of 2 m away
from any sources of ignition (eg, electrical devices).
•Oxygen must not be used while the device is being operated within the mobility bag.
To add supplemental oxygen
Refer to illustration I.
1. Unlock the low flow oxygen inlet on the back of the device by pushing up on the locking clip.

English 7
2. Insert one end of the oxygen supply tubing into the oxygen connector port. The tubing automatically
locks into place.
3. Attach the other end of the oxygen supply tubing to the oxygen supply.
4. Start ventilation.
5. Turn on the oxygen source and adjust to the desired flow rate.
To remove supplemental oxygen
Refer to illustration J.
1. Before you remove supplemental oxygen from the device, ensure the oxygen supply has been turned
off.
2. Unlock the low flow oxygen inlet on the back of the device by pushing up on the locking clip.
3. Remove the oxygen supply tubing from the oxygen connector port.
Using the FiO2 monitoring sensor
Use of the FiO2monitoring sensor may be recommended by your clinician.
Note: It may take up to 15 minutes for the FiO2sensor readings to meet the specified accuracy after
powering on the device.
The FiO2sensor performance can be adversely affected by relative humidity, condensation on the sensor
or unknown gas mixtures.
FiO2monitoring is affected by changes in ambient and cyclical pressure. This change in monitoring is
proportional to the altitude at 3 000m (10 000 ft), the ambient pressure decreases by 30% relative to sea
level and will result in a 30% decrease in monitored FiO2.
For information on maintenance and disposal of the oxygen sensor, refer to the FiO2Monitoring Kit Guide
for Stellar.
FiO2sensor calibration
Note: Calibration must be done in room air without supplemental oxygen connection.
CAUTION
Do not use the FiO2monitoring sensor with the H4i humidifier.
Preparing to use a new sensor
1. Before use, leave the FiO2monitoring sensor open to the air for 15 minutes.
2. Attach a new FiO2monitoring sensor (as shown below).
3. Perform the sensor calibration (refer to Setup menu: Options (see page 14)).
Note: The FiO2monitoring sensor must be replaced every 12 months.
Connecting a sensor
Refer to illustration K.
1. Connect the air tubing to the T-piece adapter.
2. Connect the FiO2monitoring sensor to the T-piece adapter.
3. Connect the adapter to the air outlet of the device.
4. Connect one end of the cable to the FiO2monitoring sensor.
5. Connect the other end of the cable to the rear of the device.
6. Start calibration (refer to Setup menu: Options (see page 14)). This should be repeated periodically at
the recommendation of your clinician.
Attaching a bacterial/viral filter
The use of a bacterial/viral filter may be recommended by your clinician. One bacterial/viral filter—product
code 24966—can be purchased separately from ResMed.
Regularly check the filter for entry of moisture or other contaminants. The filter must be replaced according
to the manufacturer's specifications.
Note: ResMed recommends using a filter with a low impedance (less than 2 cm H2O at 60 L/min, eg,
PALL BB 50 filter).

8
WARNING
•Do not use the bacterial/viral filter (product code 24966) with the H4i.
•Regularly check the bacterial/viral filter for signs of moisture or other contaminants, particularly
during humidification. Failure to do so could result in increased breathing system resistance.
•Only use bacterial/viral filters that comply with the relevant safety standards, including
ISO 23328-1 and ISO 23328-2.
Refer to illustration H.
1. Fit the bacterial/viral filter to the air outlet of the device.
2. Attach the air tubing to the other side of the filter.
3. Attach the mask system to the free end of the air tubing.
4. Perform the Learn Circuit function (refer to Setup menu: Options (see page 14)). From the Setup menu,
select Options. This enables the device to compensate for the impedance introduced by the filters.
Using water traps
When using a water trap, check the air circuit regularly for accumulated water. Follow the manufacturer’s
recommendations for frequency of inspection of water traps.
Stellar basics
About the control panel
Refer to illustration L.
1. Mains power LED—On when operating on
mains power.
2. LCD screen
3. Monitoring menu
4. Setup menu
5. Info menu
6. Push dial (rotate/click)
7. Therapy LED—On during treatment (flashes
during mask-fitting operation)
8. Start/stop button
9. Alarm mute button LED—On when is
pressed. Red or yellow during an alarm or during
alarm testing.
10.Alarm LED—Red or yellow during an alarm or
during alarm testing.
11.Internal battery—On when internal battery is in
use. Flashes when device is turned off and
battery is charging.
12.External power supply—On when external
battery is connected.
Key
Function
Start/Stop
•Starts or stops treatment.
•Extended hold for at least three seconds starts the mask-fitting
feature.
Alarm mute
•During therapy: Press once to mute an alarm. Press a second time to
un-mute an alarm. If the problem is still present, the alarm will sound
again after two minutes. Refer to Working with alarms (see page 11)
•In stand-by mode: Extended hold for at least three seconds starts the
alarm LED and alarm buzzer test.
Menu keys
Press the appropriate menu button (Monitoring, Setup, Info) to enter and
scroll through the relevant menu.
Push dial
Turning the dial allows you to scroll through the menu and change
settings. Pushing the dial allows you to enter into a menu or confirm
your choice.

English 9
LCD screen
The LCD screen displays the menus, monitoring screens and alarm status.
Refer to illustration M.
1. Internal battery
2. External power supply
3. Mains power
4. ResMed USB stick
5. Warm-up feature H4i
6. Ramp time
7. Program
8. Therapy mode
9. Patient mode or Clinical mode
10.Current screen/number of screens within the
menu
11.Scroll bar
12.Therapy status bar
13.Settings
14.Title bar
Values on this LCD screen and other screens throughout the User Guide are examples only.
Starting therapy
Performing a functional test
Make sure your device is functioning properly each time before starting therapy.
If any problems occur, refer to Troubleshooting (see page 19). Please also check other provided User
Instructions for troubleshooting information.
1. Turn off the device by pressing the power switch at the back of the device.
2. Check condition of device and accessories.
Inspect the device and all the provided accessories. If there are any visible defects, the system should
not be used.
3. Check the circuit configuration.
Check the integrity of the circuit configuration (device and provided accessories) according to the setup
descriptions in this Guide and that all connections are secure.
4. Turn on the device and check alarms.
Press the power switch at the back of the device once to turn on the device.
Check that the alarm sounds a test beep and the LEDs (visual indicator) for the alarm signal and the
Alarm mute button flash. The device is ready for use when the Treatment screen is displayed. If the
display shows the Reminder screen, follow the instructions, then press to display the Treatment
screen.
5. Check batteries.
Disconnect the device from the mains and external battery (if in use) so that the device is powered by
the internal battery. Check that the Battery use alarm is displayed and the battery LED is on.
Note: If the charge state of the internal battery is too low, or if the battery is empty, an alarm occurs.
Refer to the Alarm roubleshooting (see page 19) for further information.
Reconnect the external battery (if in use) and check that the LED for the external power supply is lit.
The External DC power use alarm will be displayed and the Alarm LED will light.
Reconnect the device to the mains.

10
6. Check the H4i heated humidifier (if in use).
Check that the warm-up feature is displayed on the Treatment
screen. Start the warm-up feature. Check that the humidifier
warm-up symbol is displayed on top of the screen.
You can use the warm-up feature to pre-heat the water in the
humidifier prior to starting treatment. The humidifier will be
automatically detected when the device is turned on. The
Treatment screen provides the option to start warming the
humidifier. If the humidifier is heating, the related symbol is
displayed at the top of the LCD screen.
For more information, see the H4i User Guide.
Note: The H4i in heating mode can only be used when the
device is connected to mains supply.
7. Check the FiO2monitoring sensor (if in use).
Start the FiO2sensor calibration. Select Setup menu, then Options (refer to Setup menu: Options (see
page 14)). Follow the instructions on the display.
8. Check pulse oximeter (if in use).
Attach the accessories according to the setup descriptions (refer to Attaching the pulse oximeter (see
page 6)). From the Monitoring menu, go to the Monitoring screen. Check that the values for SpO2and
Heart rate are displayed.
9. Check oxygen connection (if in use).
Attach the accessories according to the setup descriptions (refer to Adding supplemental oxygen (see
page 6)).
10.Check the Circuit Disconnected alarm.
Start therapy with the circuit configuration setup. Disconnect the tube from the mask or the ResMed
leak valve and check the alarm activation. The alarm activates when leak exceeds 105 L/min (1.75L/sec)
for at least 15 seconds. Reconnect the air tubing and stop therapy. Disconnect the circuit at different
connection points (eg, at the device air outlet) and test that the alarm activates.
Starting therapy
CAUTION
The Clinical mode is only for clinicians. If the device is operating in clinical mode press the power
switch at the back to re-start the device in patient mode .
1. Fit your patient interface (mask or catheter mount) as described in the user instructions.
2. Lie down and arrange the air tubing so that it is free to move if you turn in your sleep or arrange the
tubing so it is comfortable in your wheelchair.
3. To start treatment, press or if the SmartStart/Stop function is enabled, simply breathe into your
patient interface and treatment will begin.
Stopping therapy
You can stop therapy at any time, simply remove the patient interface and press to stop airflow or if
SmartStart/Stop is enabled, simply remove the patient interface, and treatment will stop automatically.
Notes:
•SmartStop may not work if Full face or Trach is selected as mask type; the High Leak alarm or the Low
Min Vent alarm is enabled; Confirm Therapy Stop is enabled; or the mask-fitting feature is running.
•When the device is stopped and operating in standby mode with an integrated humidifier connected, it
will continue to blow air gently to assist cooling of the humidifier's heater plate.
•Masks with high resistance (eg, paediatric masks) may cause the operation of the SmartStop feature to
be restricted.
•When using with oxygen, turn off oxygen flow before stopping therapy.

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Turning off the power
1. Stop the therapy.
2. Press the power switch at the back of the device once and follow the instructions on the display.
Note: To disconnect the device from the mains power, pull out the power cord from the power socket.
Working with alarms
WARNING
•This device is not intended to be used for vital signs monitoring. If vital signs monitoring is
required, a dedicated device should be used for this purpose.
•When adjusting alarm volume, ensure that the alarm can be heard above the ambient noise
levels that the patient may experience in a variety of settings, including use in noisy
environments or inside mobility bags.
The device is fitted with alarms to alert you to changes that will affect your treatment.
Refer to illustration N.
1. Alarm message
2. Alarm LED
3. Alarm mute key
Alarm messages are displayed along the top of the screen. High priority alarms are displayed in red,
medium priority alarms in yellow and low priority alarms in light blue. The Alarm LED lights red during
high priority alarms and yellow during medium and low priority alarms.
The alarm volume can be set Low, Medium or High. From the Setup menu, select Alarm Settings. After
the set value has been confirmed, the alarm will sound and the alarm LED lights.
Alarm settings, refer to Setup menu: Alarm Settings (Alarm Volume) (see page 14).
You can mute an alarm by pressing once. By pressing the Alarm mute key again, the alarm sounds
again. When an alarm is muted, the Alarm mute key LED will light constantly. If after two minutes the
problem is still present, the alarm will sound again for high or medium priority alarms except for the
Internal Battery Low (30%, approximately 30 minutes remaining*) alarm. This alarm will be permanently
muted with both the audible signal and alarm message cleared. However, these indicators will initiate
again when the Internal Battery Empty (2 minutes remaining) alarm is activated. Any active low priority
alarm will be permanently muted and the Internal Battery Use alarm will be cleared until the alarm
condition is fulfilled again.
____________________________
*Tested with a new battery under the following test conditions: T mode, IPAP: 15 cm H2O, EPAP: 5 cm H2O, Rise Time: MIN, Fall
Time: MIN, Ti: 2.0 sec, Respiratory Rate: 10 bpm, Test lung configuration: R = hPa (L/s)-1 ± 10%, C = 50 mL (hPa)-1 ± 5%, with H4i,
bacterial/viral filter, 2m air tubing, ResMed leak valve.
Tailoring treatment setup options
Setting Ramp
Ramp time is a feature that can be enabled by your clinician by
setting a maximum ramp time. Designed to make the beginning of
treatment more comfortable, ramp time is the period during which
the pressure increases from a low start pressure to the treatment
pressure. Refer to Setup menu: Options (see page 14).

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Programs
Programs can be configured by your clinician to provide you with
multiple treatment options. For example, a clinician can set up
programs for sleeping versus waking use or for use during exercise
or physiotherapy. Programs save different patient circuit
configurations (Learn Circuit result) and therapy and alarm settings.
The Stellar comes with one active program. Your clinician can
configure two programs. If your clinician has selected dual, you can
choose the program to use on the Treatment screen after stopping
treatment. If only a single program is selected, the option does not
display.
Note: Each program retains its own circuit configuration. When switching between programs, ensure you
use the correct circuit (breathing system) as 'learned' for that program. If more than one program has been
set up, follow the directions given by your clinician for when and how each program should be used.
Ramp Down
If you experience difficulties in taking off the ventilation, you can use
the Ramp Down feature. This feature reduces the treatment
pressure to Start EPAP/PEEP over five minutes. After five minutes
the therapy stops. You can enable the Ramp Down feature when it
is selected by the physician in the Options menu.
Notes:
•Therapy can be stopped at any time by pressing the therapy
start/stop button, including during the Ramp Down time.
•During the Ramp Down time the low pressure alarm is not
active.
•This feature is not available in all countries.
Using mask-fit
You can use mask-fit to help you fit your mask properly. This feature delivers constant treatment pressure
for a three-minute period, prior to starting treatment, during which you can check and adjust your mask-fit
to minimise leaks. The mask-fit pressure is the set CPAP or EPAP pressure or 10 cm H2O, whichever is
greater.
1. Put the mask on according to the mask user guide.
2. Hold down for at least three seconds until pressure delivery starts.
3. If necessary adjust the mask, mask cushion and headgear until you have a good mask fit. After three
minutes treatment will begin. Mask-fit can be stopped at any time by pressing .
Notes:
•Press for at least three seconds during mask-fit to start the treatment immediately.
•The mask-fitting feature is disabled when the mask type Trach is selected.

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Using the menus
The device has three menus (Monitoring, Setup, Info) accessed by the equivalent buttons on the right of
the LCD screen. In each menu there are screens that display settings, device or therapy information.
Note: iVAPS mode is only available in Stellar 150.

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Setup menu
Setup menu: Clinical Settings (Mask Type)
1. Press to display the Clinical Settings screen.
2. Use the push dial to scroll through the menu and change the Mask Type in the Advanced Settings
screen.
Mask type options: Nasal, Ultra, Pillow, Full Face, Trach, Pediatric.
Note: When Mask Type is set to Trach or Full Face the Non-Vented Mask alarm automatically turns on.
For a full list of compatible masks for this device, see the Mask/Device Compatibility List on
www.resmed.com/downloads/devices. If you do not have internet access, please contact your ResMed
representative.
Setup menu: Alarm Settings (Alarm Volume)
1. Press to display the Alarm Settings screen.
2. Use the push dial to scroll through the menu and change the Alarm Volume to low, medium or
high.
Setup menu: Options
1. Press to display the Options screen.
2. Use the push dial to scroll through the menu and change parameters (see descriptions in the table
below).

English 15
Parameter
Description
Learn Circuit
Refer to illustration O.
The device is calibrated according to your air tubing system.
1. Ensure that the therapy is turned off before performing a Learn Circuit.
2. If in use, turn off the oxygen flow.
3. Select the mask type.
4. Set up the air circuit including accessories and patient interface.
Note: When performing a Learn Circuit for invasive use, do not connect a catheter
mount, tracheostomy tube or HMEF. Refer to Setting up for invasive use (see page 4).
5. Leave the air circuit unobstructed and open to the air.
6. Press to start the Learn Circuit.
7. Wait for the device to complete its automated tests (<30 sec).
The results are displayed when complete. If the circuit configuration has been
successfully learnt, displays. If unsuccessful, displays (refer to Troubleshooting
(see page 19)).
FiO
2
Sensor
Calibration
The device starts the calibration of the FiO
2
monitoring sensor to measure the oxygen
concentration of the breathable air.
1. Press to start the FiO2sensor calibration.
2. Wait for the device to complete its calibration.
The results are displayed when complete.
Note: Turn off the oxygen flow.
Ramp Time
If Max Ramp Time has been set by the clinician, you may select any value up to this time.
Options: 0 min-Max Ramp Time (max 45 minutes, 5 minutes increments)
Setup menu: Configuration Menu
Parameter
Description
Language
Sets the display language.
Options: Depending on regional configuration
Brightness
Sets the LCD backlight brightness.
Options: 20-100%, 10% increments
Backlight
Enables the LCD and keypad backlight.
If the AUTO setting is selected the backlight turns dark after five minutes without
any actions and turns on again if any button is pressed again or an alarm occurs.
Options: On, Auto
Time format
Sets the time format.
Options: 24 hrs, 12 hrs