installing the air Filters
CauTion: A properly installed, undamaged gray foam filter is required for proper operation.
The device uses a gray foam filter that is washable and reusable, and an optional white ultra-fine filter that is
disposable. The reusable filter screens out normal household dust and pollens, while the ultra-fine filter provides
more complete filtration of very fine particles.
The reusable gray foam filter and the optional disposable ultra-fine filter are supplied with the device. If your filters
are not already installed when you receive your device, you must at least install the reusable gray foam filter before
using the device. To install the filter(s):
1. If you are using the white disposable ultra-fine filter, insert it into the filter area first, mesh-side facing in, towards the device.
2. Insert the required gray foam filter into the filter area after the ultra-fine filter.
note: If you are not using the white disposable filter, simply insert the gray foam filter into the filter area.
Connecting the Breathing Circuit
To use the system, you will need the following accessories in order to assemble the recommended circuit:
• Philips Respironics interface (nasal mask or full face mask) with integrated exhalation port, or Philips Respironics
interface with a separate exhalation device (such as the Whisper Swivel II)
WaRninG: If you are using a full face mask (a mask covering both your mouth and your nose), the mask must be
equipped with a safety (entrainment) valve.
• Philips Respironics 22 mm (or 15 mm) flexible tubing, 1.83 m (6 ft.)
• Philips Respironics headgear (for the mask)
WaRninG: If the device is used by multiple persons (such as rental devices), a low-resistance, main flow bacteria
filter should be installed in-line between the device and the circuit tubing to prevent contamination.
To connect your breathing circuit to the device, complete the following steps:
1. Connect the flexible tubing to the air outlet on the side of the device.
note: Make sure the Tubing type setting (15 or 22) matches the tubing you are using (Philips Respironics 15 or 22
mm tubing). Make sure the Tubing type setting is 15 or 15H when the Heated Tube is connected.
note: If required, connect a bacteria filter to the device air outlet, and then connect the flexible tubing to the
outlet of the bacteria filter.
note: When using the bacteria filter, the device performance may be affected. However, the device will remain
functional and deliver therapy.
2. Connect the tubing to the mask. Refer to the instructions that came with your mask.
3. Attach the headgear to the mask if necessary. Refer to the instructions that came with your headgear.
Where to Place the Device
Place the device on a firm, flat surface somewhere within easy reach of where you will use it at a level lower than
your sleeping position. Make sure the filter area on the back of the device is not blocked by bedding, curtains, or
other items. Air must flow freely around the device for the system to work properly. Make sure the device is away
from any heating or cooling equipment (e.g., forced air vents, radiators, air conditioners).
CauTion: Do not place the device directly onto carpet, fabric, or other flammable materials.
CauTion: Do not place the device in or on any container that can collect or hold water.
Supplying aC Power to the Device
CauTion: Condensation may damage the device. If this device has been exposed to either very hot or very cold
temperatures, allow it to adjust to room temperature (operating temperature) before starting therapy. Do not
operate the device outside of the operating temperature range shown in the Specifications.
WaRninG: Be sure to route the power cord to the outlet in a way that will prevent the cord from being
tripped over or interfered with by chairs or other furniture.
WaRninG: This device is activated when the power cord is connected.
iMPoRTanT: If you are using your device with a humidifier, refer to the instructions included with your
humidifier for details on how to power the device and humidifier.
User Manual
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